Electrical generator or motor structure inventions 05/07

20070120426 - Stepping motor: A stepping motor includes: a stator having main magnetic poles each having small stator teeth on its tip, a core-back portion that connects outer portions of the poles, and windings wound around the poles; and two sets of rotor units that are arranged in an axial direction and face the... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070120427 - Electric machine having a liquid-cooled rotor: An electric machine for a work machine is disclosed. The electric machine has a housing with at least one fluid passageway, a stator fixedly disposed within the housing, and a rotor rotatingly disposed radially inward from the stator. The rotor has a first axial bore, a first radial passageway, a... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070120428 - Direct electrical drive: The invention relates to a direct electrical drive (1) for a wheel set (30) of a vehicle, wherein the direct electrical drive (1) comprises a stator (7) and a rotor (3), with the rotor (3) being coupled mechanically with a wheel set shaft (11). The rotor (3) includes a cooling... Agent: Henry M Feiereisen, LLC

20070120429 - Dynamo electric machine: A rotor for a dynamo electric machine comprises a rotor body 12 defining a plurality of poles in the form of limbs 16 around which windings 18 are provided, and a wedge arrangement 20 spanning the space 42 between adjacent limbs 16 and serving to secure the windings 18 in... Agent: Andrus, Sceales, Starke & Sawall, LLP

20070120430 - Flywheel electric generator: A flywheel electric generator comprises a star-up motor, a flywheel rotary shaft rotated by the motor, a flywheel rotating by coupling with the rotary shaft, a plurality of permanent magnets disposed at substantially equal spaces of center angles on outer circumferential sections of the flywheel, a pair of electromagnets arranged... Agent: Banner & Witcoff, Ltd.

20070120431 - Motor, control circuit member and manufacturing method of motor: A brush holder is installed to a motor main body and has a connector arrangement, which is directly connectable with an external connector to receive electric power. The brush holder holds a plurality of power supply brushes. A control circuit member is installed in a gear housing through an installation... Agent: Posz Law Group, PLC

20070120432 - Axial magnetic cam: An axial magnetic cam comprising at least one of a first permanent magnet element supported for rotational motion along an axis provides a continuous, circular magnetic field area path and work-space wherein said path includes a magnetic incline. At least one of a second permanent magnet element having a magnetic... Agent: David R. Vaden

20070120433 - Bearing unit and electric motor furnished therewith: Bearing unit furnished with a bearing retaining part, the bearing retaining part formed from a single, seamless component and furnished with a cylindrical section disposed on the outer periphery of a sleeve of the bearing unit, and with a bottom section closing over the sleeve and the cylindrical section along... Agent: Judge & MurakamiIPAssociates

20070120434 - Synchronous reluctance motor and compressor having the same: A synchronous reluctance motor comprises a stator and a rotor, the rotor comprising: a rotation shaft; a first core having a shaft hole for inserting the rotation shaft at a center thereof, and having a plurality of first flux barrier groups arranged along a circumferential direction of the shaft hole... Agent: Greenblum & Bernstein, P.L.C

20070120435 - Electromechanical device having three-dimensional stator laminations: In certain embodiments, an electromechanical device includes a rotor having a rotational axis, and a stator disposed about the rotor. The stator may include a circumferentially laminated section comprising a plurality of circumferential segments disposed one after another in a circumferential direction relative to the rotational axis. The stator also... Agent: Patrick S. Yoder Fletcher Yoder

20070120436 - Motor: Bearings for rotatably supporting a rotor are disposed on an inner side of a hollow cylindrical portion of the rotor which is disposed in a rotating magnetic field formed by a group of stator windings and on an outer periphery of which magnetic poles for generating torque are arranged, thereby... Agent: Sughrue-265550

20070120437 - Compact slip ring incorporating fiber-on-tips contact technology: A compact slip ring (20), which is particularly adapted for use in small spaces, is adapted to provide electrical contact between a rotor (22) and a stator (21). The improved slip ring broadly includes an electrically-conductive monofilament (24) having one end (28) mounted on the stator and having a distal... Agent: Phillips Lytle LLP Intellectual Property Group

20070120438 - Electrostatic control device: An electrostatic actuation device including one mobile electrode, including at least one mobile part with respect to a substrate, at least two electrodes fixed with respect of the substrate, located on a same side of the mobile electrode and each facing a part of the mobile electrode, and at least... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070120439 - Surface acoustic wave device: In a surface acoustic wave device, a plurality of grooves are provided on a piezoelectric substrate, an electrode film defining an IDT electrode is formed by filling an electrode material in the grooves, an insulator layer, such as a SiO2 film, is arranged so as to cover the piezoelectric substrate... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070120440 - Piezoelectric transformer driving apparatus: The present invention provides a piezoelectric transformer driving apparatus which drives a load balanced to the ground, which makes an insulating component, such as a current transformer or a photocoupler, unnecessary, and which can detect a load current. For this reason, the present invention has two secondary windings (1B, 1C)... Agent: Dennis G. Lapointe Lapointe Law Group, Pl

20070120441 - Piezoelectric transformer driving apparatus and piezoelectric transformer driving method: A piezoelectric transformer driving apparatus and a piezoelectric transformer driving method, wherein even if there exists a variation between piezoelectric transformers, no unnecessary resonant points occur in the vicinity of a frequency used, that is, the output is stable for the frequency. For this purpose, the primary electrodes (1b, 2a)... Agent: Dennis G. Lapointe Lapointe Law Group, Pl

20070120442 - Small piezoelectric or electrostrictive linear motor: The present invention provides a small piezoelectric/electrostrictive ultrasonic linear motors which are installed in cell phones or PDAs, etc. to drive their camera lenses. In the present invention, a movable shaft (30) is coupled to a unimorph or bimorph, which is made by attaching a piezoelectric or electrostrictive substrate to... Agent: Rothwell, Figg, Ernst & Manbeck, P.C.

20070120443 - Reception bush for a piezoactuator: The invention relates to a reception bush for a piezoelectric actuator provided with two connection pins for electrically bonding said piezoelectric actuator, in particular for a piezoelectric actuator controlling the injector of an injection system for an internal combustion engine comprising a first (1) and a second (2) bush elements... Agent: Baker Botts L.L.P. Patent Department

20070120444 - Actuator and method of manufacturing actuator module: An object of the present invention is to provide a thin and light-weight actuator module structure comprising a multi-layer structure such as a bimorph or unimorph structure that can be formed in an arbitrary shape and deformed in an arbitrary direction, which is high in safety and durability and can... Agent: Stanley P. Fisher Reed Smith LLP

20070120445 - Piezoelectric rf mems device and method of fabricating the same: A piezoelectric RF micro electro mechanical system (MEMS) device and a method of fabricating the same are provided, in which the RF MEMS device is driven upward at a low voltage based on a piezoelectric effect. The piezoelectric RF MEMS device includes an upper substrate provided with an RF output... Agent: Sughrue Mion, PLLC

20070120446 - Piezoelectric ceramic composition and piezoelectric element comprising the composition: The piezoelectric ceramic composition contains M1 (a divalent metallic element, or a metallic element combination formally equivalent to a divalent metallic element); M2 (a tetravalent metallic element, or a metallic element combination formally equivalent to a tetravalent metallic element); and M3 (a metallic element of a sintering aid component), wherein,... Agent: Sughrue Mion, PLLC

20070120448 - Multilayered piezoelectric element and method of manufacturing the same: In a multilayered piezoelectric element having a multilayered structure in which electrode layers and piezoelectric material layers are alternately stacked, an internal electrode and a side electrode can be strongly connected. The element includes a first electrode layer having an end portion that protrudes to an outer side than adjacent... Agent: Sughrue Mion, PLLC

20070120447 - Piezoelectric element and method for manufacturing the same: A coating film is formed on the whole surface area of a body part. Formation of the coating film may be done by immersing the body part in a solution of parfluoropolyether. Then, the parfluoropolyether constituting the coating film is joined with the side surfaces of the body part by... Agent: Patrick G. Burns, Esq. Greer, Burns & Crain, Ltd

20070120449 - Angular velocity sensor and method for manufacturing the same: Provided is an angular velocity sensor which is thin, requires no individual adjustment and can control the generation of signals that are unnecessary to the angular velocity sensor and are generated on the sensing electrodes when the tuning fork is made to vibrate in the X-axis direction, and a method... Agent: Mcdermott Will & Emery LLP

20070120450 - Polymer actuator: A polymer actuator comprising a conductive powder compact comprising a conductive polymer and a dopant, an ion donor, a work electrode, and a counter electrode, whereby it contracts or extends when voltage is applied between the work electrode and the counter electrode.... Agent: Lahive & Cockfield, LLP

20070114854 - Moving magnet type linear actuator: In a moving magnet type linear actuator (10), a stator (30) having an armature (32) including a magnetic iron core (33) fixed on a stator base (31) and an armature winding (34) wound around the magnetic iron core (33); and a movable body (20) having a field permanent magnet (21)... Agent: Sughrue Mion, PLLC

20070114855 - Actuator: An actuator has a columnar magnetostrictor 51, a drive coil 54, and an elastic member (sponges 52a, 52b). The columnar magnetostrictor 51 has one end defined as a fixed end and the other end defined as a free end to expand and contract along an axial direction; the drive coil... Agent: Oliff & Berridge, PLC

20070114856 - Soft magnetic powder-based stator for use in motor: A stator for use in a motor, being wound with a coil, includes a main body fixed to a inside of the motor; a plurality of teeth formed to be integrated with the main body and respectively wound with the coil; gap reducers, each of which being formed on upper... Agent: Bacon & Thomas, PLLC

20070114857 - Rotor device: A rotor device includes a hub and a case member disposed in the hub. The hub has a closed end and an open end with the outer surface of the closed end providing a first opening and the inner surface of closed end providing a second opening. The characteristics are... Agent: G. Link Co. Ltd.

20070114858 - Rotor for use in motor with cooling function: A rotor for use in a motor with a cooling function includes a main body and a plurality of cooling blades formed to be integrated with the main body. The main body includes attachment reinforcing openings and is formed by pressing soft magnetic powder. The cooling blades are formed through... Agent: Bacon & Thomas, PLLC

20070114859 - Cooling fan: A cooling fan includes: a casing having a base wall and a surrounding wall that extends transversely from the base wall, and that has an inner wall surface and a top opening; a stator mounted on the inner wall surface of the surrounding wall; a shaft protruding from the base... Agent: Davidson Berquist Jackson & Gowdey LLP

20070114860 - Cooling fan: A cooling fan includes: a casing having a surrounding wall that defines an accommodating space; a circuit board disposed in the accommodating space and including a substrate and a control circuit, the substrate having a center portion that has a peripheral edge, and a plurality of spaced apart connecting beams... Agent: Davidson Berquist Jackson & Gowdey LLP

20070114861 - Rollen and rollenmotoren: The aim of the invention is to improve the production, design, and effectiveness of rollers or roller motors. Said aim is achieved by using a plastic support unit for the individual magnets in order to produce a multipole motor that has a small diameter and can be integrated into a... Agent: Henry M Feiereisen, LLC

20070114862 - Motor having stator made of soft magnetic powder material: A motor includes, a stator made of compressed soft magnetic powder, with a plurality of bolt holes formed around a circumferential outer surface of an end of the stator; a cover fitted over the end of the stator, with a plurality of coupling position adjustment parts provided around an end... Agent: Bacon & Thomas, PLLC

20070114863 - Brushless motor: A shaft of a brushless motor includes a protruding portion, and a ball bearing abutting against the protruding portion for axially positioning the ball bearing. The protruding portion is formed by rolling, and a plurality of protruding portions are arranged on the shaft in a circumferentially equally spaced manner. By... Agent: Nidec Corporation C/o Keating & Bennett, LLP

20070114864 - Motor with position-adjustable rotor: A motor with a position-adjustable rotor, wherein a rotational shaft of the motor is rotatably supported by a holder assembly, includes a rotor of which the rotational shaft is fixed in a central portion. The rotor has a position adjusting indentation around the rotational shaft, and is formed by pressing... Agent: Bacon & Thomas, PLLC

20070114865 - Oilless bearing type motor with function of preventing oil leakage: An oilless bearing type motor with a function of preventing oil leakage, wherein the motor includes an oilless bearing supporting a rotational shaft to be rotatable, includes a rotor of which the rotational shaft is fixed in a central portion. The rotor has an oil collecting indentation around the rotational... Agent: Bacon & Thomas, PLLC

20070114866 - Commutator motor: A commutator motor includes a stator and a rotor, and the stator includes a stator yoke and a field magnet. The field magnet is fixed onto the inner peripheral surface of the substantially cylindrical stator yoke. The stator yoke is configured by coaxially stacking a plurality of plate-like annular bodies,... Agent: Mcguirewoods, LLP

20070114867 - Method for realising a permanent-magnet rotor for a synchronous motor particularly for a washing machine pump for industrial and domestic use and the like, and relative rotor: c

20070114869 - Fan device having an ultra thin-type structure with a minimum air gap for reducing an axial thickness: A fan device includes a base plate, a flat-type impeller, an assembling member, a magnet sheet and a shaft member. The base plate includes an axial hole and at least one stator coil arranged thereon. The flat-type impeller is formed with an annular supporting plate and bent vanes while the... Agent: Birch Stewart Kolasch & Birch

20070114868 - Simplified fan device having a thin-type structure with a minimum air gap for reducing an axial thickness: A simplified fan device includes a base plate, a flat-type impeller, a magnet sheet and a shaft member. The base plate includes an axial hole and at least one stator coil arranged thereon. The flat-type impeller is formed with an annular supporting plate, an assembling hole and a series of... Agent: Birch Stewart Kolasch & Birch

20070114870 - Induction motor capable of utilizing magnetic fluxes of end-turns of a stator to increase torque of a rotor: An induction motor includes a stator having stator cores and coils wound on the stator cores to leave end-turns, and a rotor rotatably provided at an inner side of the stator with a gap left between the stator and the rotor. The rotor has a rotor core provided at an... Agent: Bacon & Thomas, PLLC

20070114871 - Stator: In this stator, first and second U-phase loop windings and first and second W-phase loop windings are short-pitch wave windings, and the width in the circumferential direction of the slot between the U and V-phases in which the loop windings are disposed and the slot between the V and W-phases... Agent: Arent Fox PLLC

20070114872 - Rotor for use in induction motor: A rotor for use in an induction motor includes a main body installed to be rotatable by having a gap inside a stator, providing a flow path of magnetic fluxes produced from the coil, and including a plurality of conductors formed on an edge region of the main body; a... Agent: Bacon & Thomas, PLLC

20070114873 - Method and apparatus for checking stator core alignment: In one embodiment the present invention provides for a method for checking the alignment of a stator core that comprises placing a laser source 14 and a target 18 a given distance apart on a stator core 10 and activating the laser such that the laser strikes the target. Then... Agent: Siemens Corporation Intellectual Property Department

20070114874 - Motor having a stator and a rotor made of soft magnetic powder material: A stator includes a stator body and a plurality of compression beads formed on an outer surface of the stator body to reduce a contact surface between the stator body and an inner surface of the shell, the plurality of compression beads being compressed by the inner surface of the... Agent: Bacon & Thomas, PLLC

20070114875 - Insulation and alignment of segmented stators for electric machines: A stator segment for a segmented stator of an electric machine includes insulative material configured for overlapping with insulative material of an adjacent stator segment to provide continuous insulation along a joint between the adjacent stator segments. Additionally, or alternatively, the stator segment can include one or more alignment tabs... Agent: Harness, Dickey, & Pierce, P.l.c

20070114876 - Commutator for an electric machine: A commutator for an electric machine comprises a support member made from insulating molding compound, a plurality of metal conductor segments (3), disposed thereon in evenly spaced manner around the commutator axis, with terminal elements disposed thereon for a rotor winding, and an interference-suppression device, to which the conductor segments... Agent: Katten Muchin Rosenman LLP

20070114877 - End cap for interconnecting winding coils of segmented stator to reduce phase-on-phase conditions and associated methods: A stator for an electromagnetic machine includes a plurality of discrete and individually wound stator segments having end caps positioned on the segments. The end caps have legs for positioning the end cap on the segments with an interference fit. The end caps have angled surfaces to facilitate winding of... Agent: Harness, Dickey, & Pierce, P.l.c

20070114878 - Split stator of electric motor: A stator of an electric motor is formed by a plurality of split stators that are divided in a circumferential direction of the cylindrical stator. Each split stator comprises a yoke portion that is divided in the circumferential direction, a tooth portion that extends from the yoke portion a in... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070114879 - Dynamoelectric rotor: A resin bobbin is mounted to a pole core by fitting a body portion thereof over first and second boss portions. A rotor coil is configured by winding a conducting wire onto the bobbin, and an output wire of the conducting wire that is led out from the wound portion... Agent: Sughrue Mion, PLLC

20070114880 - Rotational actuator of motor based on carbon nanotubes: A rotational actuator/motor based on rotation of a carbon nanotube is disclosed. The carbon nanotube is provided with a rotor plate attached to an outer wall, which moves relative to an inner wall of the nanotube. After deposit of a nanotube on a silicon chip substrate, the entire structure may... Agent: Lawrence Berkeley National Laboratory

20070114881 - Actuator with amplified stroke length: An actuator having a housing that defines an interior volume and a primary driver that includes either a piezoelectric element or a magnetorestrictive element. The primary driver has first and second opposing ends and defines a longitudinal length therebetween. The first end of the primary driver is bearingly engaged with... Agent: Michael D. Smith Delphi Technologies, Inc.

20070114882 - Anti-stiction gas-phase lubricant for micromechanical systems: One embodiment of an micromechanical device includes a first contact surface, a moveable component having a second contact surface, where the second contact surface interacts with the first contact surface during device operation, and a gas-phase lubricant disposed between the first contact surface and the second contact surface, where the... Agent: Patterson & Sheridan, L.L.P.

20070114884 - Method of manufacturing surface mount type crystal oscillator: A method of manufacturing a surface mount type crystal oscillator having a container body including a first recess and a second recess respectively formed in two main surfaces thereof, a crystal blank hermetically sealed in the first recess, an IC chip having an oscillation circuit integrated thereon and secured to... Agent: Knobbe Martens Olson & Bear LLP

20070114885 - Multilayer composite and a method of making such: A multilayer composite includes at least two composites, each composite having a film and an electronically conductive layer. Several composites are laminated to provide an increased conversion between mechanical and electrical energies not only due to the multiplication of the effect of each layer, but also due to the fact... Agent: Mccormick, Paulding & Huber LLP

20070114883 - Preferentially deposited lubricant to prevent anti-stiction in micromechanical systems: Embodiments of the present invention generally relate to a device that has an improved usable lifetime due to the presence of a lubricant that reduces the likelihood of stiction occurring between the various moving parts in an electromechanical device. Embodiments of the present invention also generally include a device, and... Agent: Patterson & Sheridan, L.L.P.

20070114888 - Driving device: A driving device, comprises: an electromechanical conversion element enabled to expand and contract in response to input of an electrical signal; and a frictional member that is frictionally-engaged with the electromechanical conversion element and that is mounted on the electromechanical conversion element movably along a longitudinal direction of the electromechanical... Agent: Birch Stewart Kolasch & Birch

20070114887 - Materials of active-piston actuators: d

20070114886 - Mechanical actuator comprising an active linear piston:

20070114889 - Chip level packaging for wireless surface acoustic wave sensor: A sensor packaging system and methodology includes a plastic substrate configured to include a gap for receiving and maintaining an acoustic wave sensor. An antenna can be printed directly on the plastic substrate and connected electrically to the acoustic wave sensor for the transmission and receipt of data from and... Agent: Attorney, Intellectual Property Honeywell International Inc.

20070114890 - Slotted beam piezoelectric composite: One aspect of the present patent application is an energy harvesting device comprising a composite structure including a base spring and a piezoelectric structure. The base spring has a base spring surface having elevated portions separated by a recessed portion. The piezoelectric structure substantially crosses the recessed portion. In one... Agent: James Marc Leas

20070108847 - Cylinder-like electromagnetic motor: A cylinder-like electromagnetic motor of the present invention includes a base having a closed-bottom central hole; a cover connected to the top of the base; a spring piece located between the cover and the top of the base; a holder movably received in the central hole of the base; a... Agent: Rosenberg, Klein & Lee

20070108848 - Lithographic apparatus and motor: A motor includes a magnet assembly to generate a magnetic field. The field includes along the first direction parts which are alternately orientated in the first and the second direction. The parts extend in a third direction which is perpendicular to the first and the second direction. The motor further... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070108849 - Linear motor guide apparatus: The present invention relates to a linear motor guide apparatus, which comprises a linear motor stator and rotor; an up-projecting partitions, an LM rail and an LM block installed in a main base; and a main cover installed elastically in the longitudinal direction, so that the installation of the apparatus... Agent: Hyun Jong Park

20070108850 - Linear electrical machine for electric power generation or motive drive: A linear electrical machine may function as an alternator or a motor. Three annular magnets may be provided that move relative to a core. The magnets may all have a different magnetic orientation. Two magnets may have a north pole oriented in a direction parallel to an axis along which... Agent: Lowrie, Lando & Anastasi

20070108852 - Method and device for cooling of electric motors: Method and apparatus for cooling of electric motors, particularly motors for trawl winches. A tubular motor housing is covered at each end by an end lid with a bearing, for accommodating a rotor which is arranged in a stator with an intermediate tubular interstice between the ends of the motor.... Agent: Dennison, Schultz & Macdonald

20070108851 - Permanent-magnet generator: A permanent-magnet generator is provided that has a bowl-shaped fly wheel integrally formed with a boss part by casting or hot forging, and that enables improvement in the quantity of rotation imbalance and significant reduction in the quantity of balance correction processing (drilling), which is necessary in a later process.... Agent: Sughrue Mion, PLLC

20070108853 - Synchronous reluctance machine with a novel rotor topology: A synchronous reluctance machine that has a stator and a rotor shaft operationally disposed within the confines of the stator. Laminations are axially stacked to form boat shaped segments. A plurality of selected boat shaped segments form a selected number of rotor poles about the rotor shaft and a plurality... Agent: Cantor Colburn, LLP

20070108854 - Rotating rectifier assembly: A rectifier assembly includes individual diodes arranged to form a full-wave bridge such that the silicon wafers of the diodes are loaded in compression. As so arranged, the centrifugal forces add to the compression forces on the diodes and on the electrical contacts therewith. The three-phase (AC) input conductors are... Agent: Carlson, Gaskey & Olds, P.C.

20070108855 - Vehicle alternator: A vehicle alternator for generating electric power has a stator, a rotor, a rectifier, a regulator case, and a cooling fin part. A stator winding is wound on the stator. The rotor is placed on opposite faces to the stator. The rectifier rectifies an alternating current output voltage excited in... Agent: Oliff & Berridge, PLC

20070108856 - Apparatus for pumping fuel from a tank to an internal combustion engine, and method for pressure detection: An apparatuses for pumping fuel to an internal combustion engine has a feed pump, a pressure line leading from the feed pump to the internal combustion engine, a check valve, and a pressure sensor connected to the pressure line is operatively connected to the pressure line downstream of the feed... Agent: Ronald E. Greigg Greigg & Greigg P.l.l.c.

20070108857 - Driving apparatus for hybrid vehicle: A driving apparatus includes a transmission mechanism portion; a motor housed in a motor housing located at an engine side of the transmission mechanism portion; and a clutch interposed between an engine output shaft and an input shaft of the transmission mechanism portion, wherein: a secondary side of the clutch,... Agent: Oliff & Berridge, PLC

20070108858 - Rotary structure for radiation fans: A rotary structure for radiation fans mainly includes a seat for housing a radiation fan and two brackets coupling with the seat to hold two sleeves. The two sleeves are coupled with two rotary ends of a spindle of the radiation fan to confine the spindle to rotate about a... Agent: Birch Stewart Kolasch & Birch

20070108859 - Seat motors assembly: The present invention contemplates to power adjustable seats in vehicles that include a seat motors assembly having snap together features to secure one or more metal motor housings between housing end caps. The snap together features have portions that elastically deform and snap back into position to secure the assembly... Agent: Macmillan, Sobanski & Todd, LLC

20070108860 - Motor for a fuel pump: An electrically commutated motor for a fuel pump having a rotor connected to a shaft and having plastic-bonded ferrite, with a fuel-resistant shaped body formed by the plastic-bonded ferrite, and a magnetic return element adjustable in relation to the shaped body.... Agent: Mayer, Brown, Rowe & Maw LLP

20070108861 - Permanent magnet rotating electric machine: The present invention provides a rotating electric machine in which damage to a magnet from heat is prevented, eddy current loss is reduced while decreasing an eddy current generated in a permanent magnet, and furthermore, time and cost for manufacturing can be reduced. The present invention provides a permanent magnet... Agent: Alston & Bird LLP

20070108862 - Permanent magnet synchronous motor: A synchronous motor includes a stator, a rotor and permanent magnets. The rotor includes a rotor iron core that is rotatable relative to the stator, and conductor bars accommodated within corresponding slots in the rotor iron core. The conductor bars have their opposite ends shortcircuited by respective shortcircuit rings to... Agent: Greenblum & Bernstein, P.L.C

20070108863 - Stator for an electrical machine: in accordance with the predetermined number of pole pairs, a corresponding number of groups (22) that are offset from one another by 360° electrically are arranged one after another in the stator.... Agent: Michael J. Striker

20070108864 - Dynamo-electric machine and vehicular air blower having the same: Each brush box, which receives a corresponding brush, has a contact wall. The contact wall becomes deformable when the temperature of the contact wall reaches a predetermined temperature. A radially outer end surface of the brush is tilted relative to the contact wall, so that the brush is urged against... Agent: Posz Law Group, PLC

20070108865 - Electrical machine with double-sided stator: A machine useful for ship propulsion purposes includes a ship propulsion motor with two concentric air gaps. In one embodiment, the machine includes a rotor with an inner rotor core and an outer rotor core; and a double-sided stator with an inner stator side and an outer stator side. The... Agent: General Electric Co. Global Patent Operation

20070108867 - Active suspension component: The invention is directed to an active suspension component, comprising a composite cross member, a piezoelectric composite material integral with the composite cross member, and control circuitry connected to the piezoelectric composite material for controlling the piezoelectric composite material.... Agent: Ford Global Technologies, LLC

20070108866 - Zno film with c-axis orientation: A ZnO film with a C-axis preference is provided with a corresponding fabrication method. The method includes: forming a substrate; forming an amorphous Al2O3 film overlying the substrate; and, forming a ZnO film overlying the Al2O3 film at a substrate temperature of about 170° C., having a C-axis preference responsive... Agent: Sharp Laboratories Of America, Inc. C/o Law Office Of Gerald Maliszewski

20070108868 - Surface acoustic wave device: A surface acoustic wave device includes a LiNbO3 substrate with a Euler angle in an area defined by a rectangle having four corners with coordinates (1) (0°, 7°, 101°), (2) (0°, 23°, 79°), (3) (0°, 23°, 79°), and (4) (0°, 7°, 79°), for example, and an electrode film made of... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070108869 - Driving and control apparatus of piezoelectric ultrasonic motor: In a driving and control apparatus of a piezoelectric ultrasonic motor, a controller controls a selection of a first channel or a second channel of the piezoelectric ultrasonic motor as a driving channel. A switch part selects one of the first and second channels as the driving channel and the... Agent: Staas & Halsey LLP

20070108870 - Motor driving method, program therefor, and motor driving apparatus: Provided are a motor driving method, a program therefor, and a motor driving apparatus which can shorten starting time of a vibration wave motor. A driving circuit of the vibration wave motor includes a control unit. The control unit controls two-phase driving voltages applied to an electro-mechanical energy conversion element... Agent: Fitzpatrick Cella Harper & Scinto

20070108871 - Method of driving ultrasonic transducer: An ultrasonic transducer includes a piezoelectric resonator including a pair of electrodes sandwiching a piezoelectric body and provided with the backing layer in contact with one of the electrodes of the piezoelectric resonator and having the same acoustic characteristic impedance as the piezoelectric body. A method includes the step of... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070108872 - Ultrasonic diagnostic apparatus and ultrasonic probe: An ultrasonic probe including a piezoelectric vibrator configured to transmit and receive ultrasonic waves, an acoustic lens configured to focus the ultrasonic waves and an acoustic matching layer arranged between the piezoelectric vibrator and the acoustic lens and configured to modify acoustic impedance from the piezoelectric vibrator to the acoustic... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070108873 - Method for obtaining biometric data for an individual in a secure transaction: Provided are a method and system for a biometric sensing apparatus. An apparatus includes an input signal generator configured to produce an activation signal. Also includes is a piezoelectric ceramic sensor having a plurality of piezoelectric ceramic elements arrayed and spaced to (i) receive the activation signal (ii) detect one... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070108874 - Piezoelectric electroacoustic transducer: A piezoelectric electroacoustic transducer includes a quadrilateral piezoelectric diaphragm, a case for accommodating the piezoelectric diaphragm, and terminals fixed to the case so that inner connecting portions thereof are exposed on the inside of the case. Conductive adhesives are applied between lead electrodes of the piezoelectric diaphragm and inner connecting... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070108875 - Electronic device: The microelectromechanical system (MEMS) element (101) comprises a first electrode (310 that is present on a surface of sustate(30) an a movable element (40). This overlies at least partially the first electrode (31) and comprises a piezo-electric actuator, which movable element (40) is movable towards and from the substrate (30)... Agent: Philips Electronics North America Corporation Intellectual Property & Standards

20070108876 - Piezoelectric device: The present invention provides a piezoelectric device having an extremely good secular characteristic, which is a unimorph (or bimorph) element obtained by sticking to a metal plate a piezoelectric single crystal having a giant-lateral-effect piezoelectric performance of a lateral-vibration-mode electromechanical coupling factor k31 not smaller than 70%, the unimorph (or... Agent: Oliff & Berridge, PLC

20070103008 - Moving magnet type linear slider: In some embodiments, a moving magnet type linear slider capable of minimizing the effect of microvibration at the time of driving a linear motor, easily increasing the servo gain and suppressing the speed ripple is provided. The moving magnet type linear slider includes a linear motor for reciprocating a table,... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070103009 - Method and structure for integrated energy storage device: The present invention relates to a method and device for fabricating an integrated flywheel device using semiconductor materials and IC/MEMS processes. Single crystal silicon has high energy storage/weight ratio and no defects. Single crystal silicon flywheel can operate at much higher speed than conventional flywheel. The integrated silicon flywheel is... Agent: Townsend And Townsend And Crew, LLP

20070103010 - Motor actuator: An axial groove is provided in an inner peripheral wall surface of a motor case of a housing of a motor actuator, and a spring installation opening is provided to the axial groove at a location adjacent to an opening end of a motor receiving hole of the motor case,... Agent: Nixon & Vanderhye, PC

20070103011 - Motor: A motor has a stator substantially encapsulated within a body of thermoplastic material. A plurality of different motors are made by encapsulating different stators using the same mold tool. The stators may differ with respect to one or more of the following: i) the number of turns of wire per... Agent: Brinks Hofer Gilson & Lione

20070103012 - Method of manufacturing terminal assembly of alternator for vehicles and terminal assembly manufactured by the method: A method of manufacturing a terminal assembly of an alternator for vehicles and the terminal assembly manufactured by the method. The terminal assembly manufacturing method of the present invention includes a first step of notching and piercing a blank plate, a second step of deep-drawing notched portions of the plate... Agent: Bachman & Lapointe, P.C.

20070103014 - Electric motor and fuel pump having the same: A stator of an electric motor includes coil cores, bobbins and coils. The coil cores include six coil cores, which are arranged at equal angular intervals in a circumferential direction. The bobbins respectively cover outer peripheral surfaces of the coil cores, and the coils are respectively wound around outer peripheral... Agent: Nixon & Vanderhye, PC

20070103013 - Motor and manufacturing method thereof: A motor main body includes a brush holder, which holds a plurality of power supply brushes. A control circuit member includes a drive control IC, which controls rotation of the motor main body, and a base, which holds a plurality of terminals that electrically connects between the drive control IC... Agent: Posz Law Group, PLC

20070103015 - Mounting structure and motor compressor having the same: A mounting structure has a base member, a mounted member and a plurality of C-shaped retainer rings. The base member has an opening. The mounted member is fitted to the opening. The plurality of C-shaped retainer rings is fitted to the base member for preventing the mounted member from moving... Agent: Morgan & Finnegan, L.L.P.

20070103016 - Flat type vibrating motor: Provided is a flat type vibrating motor capable of reducing a consumed current of the motor while maintaining torque of the motor, lengthening even more an operating time of an apparatus such as a mobile communication apparatus in which the flat type vibrating motor is mounted, and shortening a charging... Agent: Birch Stewart Kolasch & Birch

20070103017 - Superconducting generator rotor electromagnetic shield: A unitary bimetallic shield ring for a superconducting generator rotor includes coaxial inner and outer cylindrical portions. The outer cylindrical portion comprises a first metallic material for conducting eddy currents to dissipate energy, and defines an interior face. The inner cylindrical portion comprises a second metallic material for providing structural... Agent: Kinney & Lange, P.A.

20070103019 - Automotive alternator having flexible bearing cover: According to the present invention, there is provided an automotive alternator which includes a rotor, a stator, a rolling bearing, and a bearing cover. The rotor includes a rotary shaft and works to create a rotating magnetic filed. The stator works to generate an AC power in the rotating magnetic... Agent: Oliff & Berridge, PLC

20070103018 - Gas aspiration and compression system, especially for gas compressors: It includes a piston (2) of markedly small diameter associated with a cylinder (3) of a compression chamber (4). It is characterised in that it includes a gas intake port (6) at a lateral zone of the cylinder (3) near the bottom dead centre point of the piston (2), a... Agent: Wolf, Block, Shorr And Solis-cohen LLP

20070103020 - Motor: A motor that can prevent damages on the fluid dynamic bearing. A ball is press-fitted into the end surface of the shaft body, and the ball is disposed in such a manner that the tip portion of the ball comes to the higher position with respect to the end surface... Agent: Oliff & Berridge, PLC

20070103021 - Axial magnetic bearing apparatus: In axial magnetic bearing apparatus in which a rotary disc made of a magnetic material is fixedly attached to a rotating shaft, and electromagnets are disposed on opposite sides of the rotary disc so as to have suitable very small distances therefrom respectively, so as to bear the rotating shaft... Agent: Sughrue-265550

20070103022 - Magnetic coupling arrangement for transmitting a torque: The invention relates to a magnetic arrangement for transmitting torque from an input shaft (1) to an output shaft (2), of for example a pump, whereby at least one magnet arrangement (3, 4) is assigned to the input shaft (1) and to the output shaft (2). A containment shell (5)... Agent: Milde & Hoffberg, LLP

20070103023 - Method of compressing lamination stacks for permanent magnet rotor: The present invention is a method of compressing lamination stacks for a permanent magnet rotor. The method includes the steps of providing a plurality of stages of lamination stacks and magnet carriers on a rotor shaft to form an assembly; positioning a spacer between each of the lamination stacks of... Agent: The Webb Law Firm, P.C.

20070103024 - Embedded magnet type motor: A rotor of an embedded magnet type motor has a plurality of magnets forming magnetic poles, the number of which is represented by P. A rotor core includes first accommodation holes, the number of which is represented by P/2, extending in a radial direction, and V-shaped accommodation holes, the number... Agent: Sheridan Ross PC

20070103025 - Electric motor with multilayered rhombic single coils made of wire: An electric motor is disclosed with an air-cored winding which is composed of a plurality of single coils made of wire, wherein the single coils overlap each other in an imbricated manner and the single coils are preformed to form an offset at least in the region of two opposite... Agent: Buchanan, Ingersoll & Rooney PC

20070103026 - Rotor: A rotor, used particularly in a rotating tool for machining workpieces, includes a rotor base body with locations, which are formed on the periphery thereof in an interspaced manner and which are suited for fitting the rotor with functional elements. The rotor base body includes a first, radially outer base... Agent: Burr & Brown

20070103027 - Electrical machine with double-sided lamination stack: The machine includes a rotor with an inner rotor core and an outer rotor core and a double-sided stator with an inner stator side and an outer stator side. The double-sided stator is concentrically disposed between the inner rotor core and the outer rotor core of the wind turbine generator.... Agent: General Electric Co. Global Patent Operation

20070103028 - Mems device and interconnects for same: A microelectromechanical systems device having an electrical interconnect between circuitry outside the device and at least one of an electrode and a movable layer within the device. At least a portion of the electrical interconnect is formed from the same material as a conductive layer between the electrode and a... Agent: Knobbe, Martens, Olson & Bear, LLP

20070103029 - Self-assembling mems devices having thermal actuation: The present disclosure is broadly directed to a method for designing new MEMS micro-movers, particularly suited for, but not limited to, CMOS fabrication techniques, that are capable of large lateral displacement for tuning capacitors, fabricating capacitors, self-assembly of small gaps in CMOS processes, fabricating latching structures and other applications where... Agent: Jones Day

20070103030 - Actuator arrangement: An actuator arrangement comprising a piezoelectric actuator having a body section, a shroud which enshrouds at least part of the body section of the actuator, and at least one constrictive member disposed externally with respect to the shroud. The constrictive member applies a constrictive force to the shroud to maintain... Agent: Delphi Technologies, Inc.

20070103031 - Ultrasound radiation device into a material: When input electric signals Ei (i=1, 2, . . . n) with frequencies fi (i=1, 2, . . . , n), respectively, are applied to an input interdigital transducer, elastic waves are excited in a piezoelectric substrate. Leaky components of the elastic waves are radiated into a material in the... Agent: Kohji Toda

20070103032 - Mechanical quantity sensor: A mechanical quantity sensor includes a current-to-voltage converter/signal adder circuit that converts electric current signals flowing through two piezoelectric vibrators into voltage signals. The piezoelectric vibrators receive stresses generated by a mechanical quantity, such as acceleration, in opposite directions. A voltage amplifier/amplitude limiter circuit amplifies an added signal obtained from... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070103033 - Drive circuit for an injector arrangement: A drive circuit (20a,20b) for an injector arrangement having at least one piezeoelectric injector (12a,12b) is described. The drive circuit comprises: a first charge storage means (C2) for operative connection with the injector (12a,12b) during a discharging phase so as to discharge current to flow therethrough, thereby to initiate an... Agent: Delphi Technologies, Inc.

20070103034 - Acoustic driver assembly with increased head mass displacement amplitude: An acoustic driver horn that is integral to a wall of a cavitation chamber is provided. The horn design is applicable to any of a variety of cavitation chamber configurations, including spherical, cylindrical, and rectangular chambers. Although a variety of driver assemblies can be coupled to the driver horn, preferably... Agent: Patent Law Office Of David G. Beck

20070103035 - Device and apparatus for holding a transducer: A holder for a transducer having a mounting portion, a coupler, and a clamping portion is disclosed. The mounting portion has a through hole with a conical seat disposed therein, with at least a portion of the through hole being configured to receive the transducer. The coupler is secured to... Agent: Cantor Colburn, LLP

20070103036 - Piezoelectric transformer: There is provided with a piezoelectric transformer which does not require a marking operation, is easy to manufacture, and is capable of reducing costs. After the piezoelectric transformer is manufactured, a shape of secondary side electrodes on the outer end is made so that a polarization direction can be recognized... Agent: Dennis G. Lapointe Lapointe Law Group, Pl

20070103037 - Component with a piezoelectric functional layer: In an electrical component with thin-layer construction that has a piezoelectric functional layer, the layer quality of the functional layer is improved in that a growth layer is provided between the electrode layer and the piezoelectric layer. Thus the function of the electrode layer is separated from that of a... Agent: Fish & Richardson PC

20070103038 - Surface acoustic wave device and method of manufacturing the same: In order to provide a surface acoustic wave device provided with a pseudo-single crystal aluminum electrode film, having excellent power durability, easy to manufacture, and possible to grow with good reproducibility, a titanium buffer film 4 and an electrode film composed of an aluminum film or an aluminum alloy film... Agent: Jordan And Hamburg LLP

20070096566 - Electromagnetic actuator, method of manufacturing a part of an electromagnetic actuator, and lithographic apparatus comprising an electromagnetic actuator: A lithographic apparatus has a patterning support constructed to support a patterning device and a substrate support constructed to support a substrate. At least one of the patterning support and the substrate support is moved by an electromagnetic actuator. The actuator has a first part and a second part that... Agent: Pillsbury Winthrop Shaw Pittman, LLP

20070096567 - Moving magnet type linear magnet: In some embodiments, a moving magnet type linear slider capable of eliminating a magnet suction force caused by a linear motor to minimize the linear guide friction is provided. The field of the linear motor includes magnet track having a horizontally arranged generally U-shaped magnetic yoke and plural pairs of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070096568 - Moving coil actuator for reciprocating motion with controlled force distribution: A moving coil actuator that moves in a rapid back-and-forth motion is constructed with a magnet assembly that concentrates the magnetic flux in a region of limited length and with a coiled electric conductor that includes two separated regions of densely wound coil, the assembly and conductor arranged such that... Agent: Townsend And Townsend And Crew, LLP

20070096569 - Hollow pump: A versatile, efficient, compact pump featuring an all-in-one rotor/blade design. Utilizing the concepts of a three-phase AC synchronous motor, this invention is capable of the heavy lifting required along California's aqueducts as well as for propelling large vessels. Reduced weight, size and complexity results in energy savings when compared to... Agent: William S. Fielder

20070096570 - Cooling fan: A cooling fan (100) includes a frame (10), a circuit board (20) and a rotor (30). The frame includes a housing (12) and a plate (14) connecting with the housing. The circuit board is mounted on the plate. The rotor is received in the housing and includes a hollow hub... Agent: North America Intellectual Property Corporation

20070096571 - Electric submersible pumps: A downhole electric motor for a submersible pump has at least three phases and comprises a permanent magnet rotor and a stator bearing phase windings A, B and C in slots(2206) in the stator. Each phase winding A, B, C incorporates a coil extending through a respective pair of adjacent... Agent: Patterson & Sheridan, L.L.P.

20070096572 - Slip fit tolerance ring: An electric motor includes a stator, a housing supporting the stator and having a bearing seat with an inner surface and an inner end, a bearing having an outer surface, a shaft rotatably supported by the bearing, and a rotor supported by the shaft. The motor also includes a tolerance... Agent: Michael Best & Friedrich, LLP

20070096573 - Axial magnetic bearing apparatus: In axial magnetic bearing apparatus in which a rotary disc made of a magnetic material is fixedly attached to a rotating shaft, and electromagnets are disposed on opposite sides of the rotary disc so as to have suitable very small distances therefrom respectively, so as to bear the rotating shaft... Agent: Sughrue Mion, PLLC

20070096574 - Electromagnetic coupler: An electromagnetic coupler for a motor vehicle. The coupler includes a first electric machine having an axis and including a first stator bearing a first coil, an input rotor and a first part of an output rotor, and a second electric machine including a second stator bearing a second coil... Agent: Oblon, Spivak, Mcclelland, Maier & Neustadt, P.C.

20070096575 - Flywheel magnet rotor: A flywheel magnet rotor comprising: a flywheel having a peripheral wall portion and a bottom wall portion formed with a boss in a center thereof, and formed with vent holes passing through the bottom wall portion in an area surrounding the boss in the bottom wall portion; a permanent magnet... Agent: Pearne & Gordon LLP

20070096576 - Magnetoelectric generator: In a magnetoelectric generator generating electric power by electromagnetic induction between permanent magnets and a generating coil due to rotation of a flywheel, a plurality of press-worked portions for forcibly increasing roundness of the flywheel are formed by press working on a bottom portion of the flywheel.... Agent: Sughrue Mion, PLLC

20070096578 - Device having permanent-magnet pieces: A rotor for an electric machine includes a rotor core constructed of magnetically-permeable material. The rotor core may include a first cavity having a first curved end portion and a second cavity having a first curved end portion disposed adjacent the first curved end portion of the first cavity. The... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070096577 - Electric machine: An electric machine includes a stator and a rotor disposed adjacent the stator. The rotor may be rotatable around a rotor rotation axis. The rotor may include a rotor core and a plurality of permanent magnets. The plurality of permanent magnets may include a permanent-magnet cluster disposed at least partially... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070096579 - Rotary electric machine: A rotor for an electric machine includes a rotor core constructed of magnetically-permeable material and a permanent-magnet cluster that creates a magnetic pole of the rotor. The permanent-magnet cluster may be composed of permanent magnets mounted to the rotor core, including a first permanent magnet, a second permanent magnet, a... Agent: Caterpillar/finnegan, Henderson, L.L.P.

20070096580 - Stator of an electric machine: ABSTRACT OF THE DISCLOSURE A stator (1) for an electric machine, in particular a three-phase current machine for motor vehicles, which consists of a winding support (2) having grooves (3) and teeth (4). Windings (5) are arranged in the grooves. Winding support (2) consists of a plurality of identical segments... Agent: Davis & Bujold, P.l.l.c.

20070096581 - Brushless permanent magnet motor/generator with axial rotor decoupling to eliminate magnet induced torque losses: A permanent magnet motor/generator that includes a stator, a rotor provided with a plurality of permanent magnets at a peripheral surface thereof and having a central axis which coincides with the central axis of the stator, a rotatable shaft upon which the rotor is coupled, and an actuator for moving... Agent: Butzel Long

20070096582 - Commutator and armature: A commutator including a commutator main body having a plurality of commutator pieces and a short-circuit member having a short-circuit conductor for short-circuiting commutator pieces. The short-circuit conductor includes superimposed first and second short-circuit member formation groups. The first short-circuit member formation group is thinner than the second short-circuit member... Agent: Fulwider Patton LLP

20070096583 - Stator for an electric machine: The stator for an electric machine includes a ring-shaped stator yoke, on which stator coils, formed on winding bodies and distributed uniformly around the circumference, are mounted. The coils are wired electrically together by a wiring arrangement, which has a ring-shaped carrier element designed to be attached to the stator... Agent: Cohen, Pontani, Lieberman & Pavane

20070096585 - Ac motor stator: An AC motor stator includes a plurality of thin silicon steel plates laminated, and said silicon steel plates have a plurality of wire grooves formed inclined for a certain angle to the outer surface of the stator. So when the coil wound continuously around each section between every two neighboring... Agent: Birch Stewart Kolasch & Birch

20070096584 - Structure and method of rotor assembly without the hub: A structure and method of assembling a rotor assembly is provided, without the use of a rotor steel hub. The method comprises forming first, second and third lamination stacks by stacking individual rotor laminations together. The first, second and third lamination stacks are cast to lock the individual rotor laminations... Agent: General Motors Corporation Legal Staff

20070096586 - Multi-phase electrical motor for use in a wheel: The invention relates to a rotary multi-phase electrical motor wherein stator teeth corresponding to one same phase are grouped on a distinct and magnetically isolated stator section. The number of teeth per stator section is an odd number of a value of at least three and the difference between the... Agent: Ogilvy Renault LLP

20070096587 - Stator assembly for an electric machine and method of manufacturing the same: A stator for a multi-phase electric machine having a plurality of core segments interconnected with one another and a plurality of coils. At least one core segment includes a plurality of teeth and a back portion that at least partially interconnects the teeth. The back portion of each segment has... Agent: Michael Best & Friedrich, LLP

20070096588 - Rotary support with elastic connection device for installation of electric machines in tubes: Torque transmission between a tube and a drive unit mounted in the tube is ensured with the aid of a component which is optimized for installation while providing a sufficient centering effect. A rotary support is hereby provided which is constructed as a hollow cylindrical body (1). An elastic connection... Agent: Henry M Feiereisen, LLC

20070096589 - Electric machine rotor fan and pole retention feature: Disclosed herein is a rotor assembly for an electric machine which includes a shaft having a slip ring end. A first pole segment rotatable with the shaft. A second pole segment rotatable with the shaft. A slip ring end fan disposed adjacent to the second pole segment and rotatable with... Agent: Cantor Colburn, LLP

20070096590 - Paddled rotor spaceblocks: A dynamoelectric machine cooled by a gas flow. The machine may include a rotor, an endwinding extending axially beyond the rotor, a spaceblock located about the endwinding, and a passageway positioned about the spaceblock. The spaceblock may include a C-channel extending into the passageway so as to deflect the gas... Agent: Sutherland Asbill & Brennan LLP

20070096591 - Recess-protrusion structure body, process for producing the same, piezoelectric device, and ink jet type recording head: In a step (A), a selectively removable resist layer or a selectively removable sacrifice layer is formed in a predetermined pattern in a protrusion non-forming region on a base plate. In a step (B), a pillar-shaped structure film is formed on a side of the base plate, on which side... Agent: Birch Stewart Kolasch & Birch

20070096592 - Surface acoustic wave device: A surface acoustic wave device includes a piezoelectric substrate made of LiNbO3 having an electromechanical coupling coefficient k whose square is at least about 0.025, at least one electrode that is made of a metal whose density is greater than that of Al or an alloy primarily including the metal... Agent: Murata Manufacturing Company, Ltd. C/o Keating & Bennett, LLP

20070096593 - Single phase unidirectional surface acoustic wave transducer and improved reflectors: A unidirectional transducer for a surface acoustic wave (SAW) device. In one embodiment the device includes (1) a defined area on a piezoelectric substrate within which is located an open circuit reflector perpendicular to the SAW direction of propagation; and a pair of low reflectivity transducer electrodes located within the... Agent: Charles E. Parrish Rf Saw, Inc.

20070096594 - Piezoelectric composite device, method of manufacturing same, method of controlling same, input-output device, and electronic device: A piezoelectric composite device including: a feeding electrode; a common electrode; a signal detecting electrode; a first piezoelectric element joined between the feeding electrode and the common electrode; and a second piezoelectric element joined between the common electrode and the signal detecting electrode; a predetermined voltage being supplied between the... Agent: David R. Metzger Sonnenschein Nath & Rosenthal

20070096595 - Ac-dc power converter: An AC-DC power converter is composed of AC input, a first rectifying circuit, a second rectifying circuit, a DC-DC converter and a DC output. The DC-DC converter has a DC input. The first rectifying circuit and the second rectifying circuit are connected in parallel between the AC input and the... Agent: Avago Technologies, Ltd.

20070096596 - Mesa-shaped piezoelectric resonator element:

20070096597 - Piezoelectric thin-film resonator and filter: A piezoelectric thin-film resonator includes a lower electrode formed on a substrate to define a rounded dome-shaped cavity between the lower electrode and the substrate, a piezoelectric film provided on the lower electrode, and an upper electrode provided on the piezoelectric film. A membrane region is an overlapping region of... Agent: Arent Fox PLLC

20070096598 - Drive device for ultrasonic linear motor: This invention relates to a drive device of an ultrasonic linear motor having a rail (11, 42) and a base body (12, 44) and driving parts (20, 50) interposed between rail and base body. The base body is moved in a straight line with respect to the length direction of... Agent: Birch Stewart Kolasch & Birch

20070096599 - Robust electromechanical motor: An electromechanical motor (1) is disclosed, which comprises a rail (10) to be moved, a dry, non-lubricated, sliding bearing (31, 32) for the rail, and driving members (20) imposing a mechanical driving force on the rail (10). The bearing has two rail contacting portions (31, 32). A first rail contacting... Agent: Young & Thompson

20070096601 - Drive unit: A drive unit of the present invention includes a piezoelectric element, a drive friction member fixed to one end of the piezoelectric element, and a movable member frictionally fitted to the drive friction member. By making the piezoelectric element expanded and contracted, the movable member is moved relative to the... Agent: Brinks Hofer Gilson & Lione

20070096600 - Hybrid piezoelectric-magnetostrictive actuator: Hybrid actuator. The actuator includes a piezoelectric actuator spaced apart from a magnetostrictive actuator. A linkage is in contact with the piezoelectric and magnetostrictive actuator, the linkage having an end including microgrooves. A rotatable shaft includes microgrooves mating with the microgrooves in the linkage end. Electronic circuitry is provided to... Agent: Choate, Hall & Stewart LLP

20070096602 - Impact drive actuator and lens drive device using the same: An impact drive actuator comprises a vibrator fixed to a fixing member and configured to generate slight displacement in a first direction and a second direction, a vibration member configured to reciprocate by the slight displacement of the vibrator, a motion object set on the vibration member, an adsorption power... Agent: Scully, Scott, Murphy & Presser

20070096603 - Kinetic micro-generator: a method of generating electrical current via magnetostriction and the piezoelectric effect: An apparatus constructed from a combination of a magnetic north orienting lodestone, magnetostrictive ferrogel, and piezoelectric crystals can generate electrical current when exposed to kinetic motion. The apparatus is built in the shape of a geodesic sphere with two sections, an inner sphere with a lodestone in the center surrounded... Agent: Mr. Jon V. Ramer

20070096604 - Method of securing an electrical sub-circuit assembly to a printed circuit board: An electrical sub-circuit assembly is secured to a printed circuit board by providing a printed circuit board with a basin, the printed circuit board having electrical pathways leading to the top or side or on the bottom of said basin, and positioning an electrical sub-circuit assembly in the basin, the... Agent: Gowling, Lafleur Henderson LLP

20070096605 - Piezoelectric device: A piezoelectric filter capable of improving the shielding property and increasing the heat releasing property is provided. The piezoelectric device includes a cover and piezoelectric device chips which are stacked and sealed together. The piezoelectric device also includes first external electrodes exposed at an upper surface of the cover and... Agent: Dickstein Shapiro LLP