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Electrical generator or motor structure December patent applications/inventions, industry category 12/11

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
  
12/29/2011 > 38 patent applications in 32 patent subcategories. patent applications/inventions, industry category

20110316357 - Stator packet for a magnetic levitation train: The invention relates to a stator packet for a long stator linear motor of a magnetic levitation train. The stator packet is composed of a plurality of sheet metal layers (6) comprising alternating grooves (7) and teeth (8) for receiving alternating-current windings (20). The grooves (7) are configured so that... Agent:

20110316358 - Armature for linear motor: A linear motor armature in which pressure loss of a coolant flowing in a cooling conduit and possible significant non-uniformity in temperature distribution are reduced over the entire armature. A manifold 5, 6h and a pair of cooling conduits 7, 9 are configured such that a coolant is supplied from... Agent: Sanyo Denki Co., Ltd.

20110316359 - Bistable linear motor: A linear motor or generator includes a cylinder having left, center, and right magnetic portions interposed with left and right magnetic gaps, a left and a right induction coil axially wound around a longitudinal axis of the cylinder, and a flux bridge that magnetically couples the center magnetic portion to... Agent:

20110316360 - Linear vibratory drive: A system and apparatus are disclosed for a linear vibratory drive. In one embodiment, the drive includes a mounting bar coupled to a first flat leaf spring, the first flat leaf spring mounted on a stationary member, where the mounting bar is suitable for mounting a conveyance device such as... Agent:

20110316361 - Horizontal linear vibrator: There is provided a horizontal linear vibrator including a bracket providing an internal space; a vibration unit mounted in the internal space and including a mass body moving horizontally and linearly; and a magnetic field unit including a magnet fixed to the mass body and a coil installed within a... Agent: Samsung Electro-mechanics Co., Ltd.

20110316362 - Apparatus for harvesting electrical power from mechanical energy: An apparatus for harvesting electrical power from mechanical energy is described. The apparatus includes: a flux path. The flux path includes: a magnetic material having a magnetic property that is a function of stress on the magnetic material; a first magnetically conductive material proximate the magnetic material; a magnet in... Agent: Oscilla Power Inc.

20110316363 - Electromotive active dynamic vibration absorber apparatus for vehicle: An electromotive active vibration absorber apparatus mounted to a vehicle to attenuate vibration of the vehicle may include elastic members mounted to an housing, an inner yoke having an upper yoke part and a lower yoke part which are fastened to the elastic members respectively, wherein an inner magnetic substance... Agent: Hyundai Motor Company

20110316364 - Motor end cap with interference fit: A rotary machine (e.g., motor or generator) has end caps with plastic piloting rings that engage a stator's plastic winding frame in an interference fit, so that a rotor seated by bearings in the end caps is properly aligned with the stator. The flexibility of the plastic-to-plastic fit allows looser... Agent: Lin Engineering, Inc.

20110316365 - Slim type stator and method of making the same, slim type motor having the stator, and direct drive apparatus for drum-washing machine: Provided is a stator for use in a brushless direct-current (BLDC) that is used for a direct drive (DD) apparatus for drum-washing machines that is mounted in an allowable space without reducing size of a tub related to a laundry capacity in a drum-washing machine, to thereby make a basket... Agent: Amotech Co., Ltd

20110316366 - Double stator switched reluctance apparatus: A switched reluctance apparatus and method of operating the same. The apparatus has an inner stator having a plurality of poles, a rotor disposed radially outward of the inner stator and having a plurality of segments serving as poles, and an outer stator disposed radially outward of the rotor and... Agent: Board Of Regents, The University Of Texas System

20110316367 - Rotary electric machine with improved cooling capability: In a rotary electric machine, a stator coil includes in-slot portions each contained in a corresponding one of slots of a stator core. The stator coil includes turn portions each connecting one end of a corresponding one of the in-slot portions projecting from one axial end of the stator core... Agent: Nippon Soken, Inc.

20110316368 - Electrical machine: An electrical machine is provided, comprising a stator (7) and a rotor (8) which can be moved relative to the stator (7). The stator comprises slots (1, 2) for receiving electrical windings (+A, −A). In operation of the electrical machine, an operating wave of the magnetomotive force differs from a... Agent: Feaam Gmbh

20110316369 - Rotor fan for an electric machine: An electric machine includes a rotor. The rotor includes a body having a number of pole members, a central hub, and a plurality of mounting members. The plurality of mounting members are fewer than half the number of pole members. A fan member is mounted to the rotor. The fan... Agent: Remy Technologies, L.L.C.

20110316370 - Substrate processing apparatus with motors integral to chamber walls: In accordance to an aspect of the disclosed embodiments, a substrate transport apparatus is provided. The substrate transport apparatus includes a frame defining a chamber, at least one stator module embedded at least partly into a peripheral wall of the chamber, the at least one stator module defining an axis... Agent: Brooks Automation, Inc.

20110316371 - Electric motor: An electric motor, in particular a motor which can be commutated electronically, is disclosed. The motor comprises a stator with a plurality of field windings which are wound at least in places from a winding wire, and further comprises a contact grid for making contact with the field windings, which... Agent:

20110316373 - Inverter terminal board installed in motor case: In an inverter terminal board including an electric conductor 20 having an inverter side connecting terminal 20T connected to an inverter terminal of an inverter attached to a case of a motor, a motor side connecting terminal 20C for supplying power to a power receiving terminal of the motor, and... Agent: Yazaki Corporation

20110316372 - Inverter terminal board installed in motor case and packing: In an inverter terminal board 10 including an electric conductor 20 which has an inverter side connecting terminal 20T attached to a case of a motor and a connector terminal 20C for supplying power to a power receiving terminal of the motor and is made by connecting the connecting terminal... Agent: Yazaki Corporation

20110316374 - Motor support structure and actuator incorporating same: There is provided an actuator including a motor and a case adapted to house the motor. In the actuator, an output shaft of the motor is supported by a structured configured such that an elastic member is disposed between the case and at least one end of the output shaft,... Agent: Minebea Co., Ltd.

20110316375 - High efficiency salient pole machine and method of forming the same: A salient pole machine and method of forming the same comprising a rotating field assembly and at least one inter-pole cap connected to the rotating field assembly and/or at least end coil cap connected to the rotating field assembly. Each inter-pole cap preferably includes a top surface that has a... Agent: Emerson Electric Co.

20110316376 - Split magnetic thrust bearing: Certain exemplary embodiments can provide a system, machine, device, manufacture, circuit, composition of matter, and/or user interface adapted for and/or resulting from, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise and/or relate to: via a thrust stator of a magnetic bearing, the thrust stator... Agent: Synchrony, Inc.

20110316377 - Power distribution system: A four-stage power distribution system (100) includes (i) a first stage (110) having an inverter (112) that provides power to a frequency drive (114) and an electric motor (116) controlled by the frequency drive; (ii) a second stage (120) having a flywheel (122) driven by the motor; (iii) a third... Agent: Momentum Power, Inc.

20110316378 - Synchronous rotating electrical machine with permanent magnets and flux concentration: A synchronous rotating electrical machine is disclosed, of the type including a stator (10) and a rotor (11). The rotor is of the flux concentration type and includes a plurality of alternate North and South poles formed from permanent magnets (PM). The magnets are housed in slots (E1) arranged in... Agent:

20110316379 - Motor and motor driven power steering system using the same: The present disclosure relates to a motor and a motor driven power steering system using the same. More particularly, the present disclosure relates to a motor adapted to maintain a balance of currents, and a motor driven power steering system adapted to reduce vibrations and noise and enhance steering quality... Agent: Mando Corporation

20110316380 - Squirrel-cage rotor: The invention relates to a squirrel-cage rotor for an asynchronous machine. In order to increase the electrical efficiency for a cage rotor composed of two materials, the cage rotor comprises a rotor core (1) having grooves (3), end rings (5) of a first material that are cast onto the rotor... Agent: Siemens Aktiengesellschaft

20110316381 - Armature core: Teeth are arranged annularly around a rotation axis. The yoke has through holes. The through holes open in a radial direction around the rotation axis and in an axial direction along the rotation axis. The teeth are inserted through the through holes. A metal plate is arranged to face the... Agent:

20110316382 - Rotor and method of manufacturing the rotor: A rotor includes a core made of a laminated steel sheet assembly including a plurality of laminated magnetic steel sheets each having a flat plate shape, the core including a through hole at a rotation center, a shaft inserted in a through hole of the core, an inner-peripheral-side welded part... Agent: Toyota Jidosha Kabushiki Kaisha

20110316383 - Ultrasonic transducer, method of producing same, and ultrasonic probe using same: Disclosed is an art for a capacitive micromachined ultrasonic transducer (CMUT), which suppresses deformation in a cavity, non-uniformity in the thickness of an insulating film enclosing the cavity, and deterioration in the flatness of the surface profile of a membrane, even when the bottom electrode of the ultrasonic transducer is... Agent: Hitachi Medical Corporation

20110316384 - Vibration power generator, vibration power generation device, and electronic device and communication device having viberation power generation device installed: Disclosed is a vibration power generator comprising a first substrate, a first electrode arranged on the first substrate, a second substrate spaced from and opposite to the first substrate, and a second electrode arranged on the second substrate, wherein the first electrode is capable of vibrating with respect to the... Agent:

20110316385 - Method and apparatus for conversion of heat to electrical energy using a new thermodynamic cycle: A method for converting heat to electricity is described. The method can be used to efficiently and economically generate electricity from thermal energy directly through ferroelectric or other polarizable materials without the need for first converting thermal energy to mechanical energy or to any other form of energy or work.... Agent: The Neothermal Energy Company

20110316386 - Microresonator, resonator sensor with such microresonator, and sensor array comprising at least two such microresonators: A microresonator for use as a resonator in a detector is disclosed. In one aspect, the microresonator has a first predetermined resonance mode. The microresonator has an integrated electronic transducer for measuring deformation of the microresonator in the first predetermined resonance mode of the microresonator. The transducer is located at... Agent: Stichting Imec Nederland

20110316388 - Ultrasonic sensor: An ultrasonic sensor is disclosed. The ultrasonic sensor includes a piezoelectric element and an acoustic matching member. The piezoelectric element is configured to detect ultrasonic wave transmitted from a transmitter and reflected by a detection target object located in a detection target space. The acoustic matching member is configured to... Agent: Denso Corporation

20110316387 - Ultrasonic transducer and fabricating the same: An aspect of one embodiment, there is provided an ultrasonic transducer including a plurality of oscillators, each of the oscillator having a convex portion, a printed wiring board provided to be opposed to the convex portion, an adhesive material including at least a portion of the convex portion, the adhesive... Agent: Kabushiki Kaisha Toshiba

20110316389 - Ultrasound probe and manufacturing method thereof: An ultrasound probe and a method for manufacturing the same are provided. More particularly, a one-dimensional or two-dimensional ultrasound probe having a multi-element-type piezoelectric material is easily manufactured by inserting a flat wire in a backing material, wherein the flat wire is used as a signal cable to supply electrical... Agent: Samsung Electronics Co., Ltd.

20110316390 - Piezoelectric vibrating devices and methods for manufacturing same: An exemplary piezoelectric vibrating device includes a piezoelectric vibrating piece that vibrates when electrically energized. A first package plate has a main recess in which the piezoelectric vibrating piece is placed, and a peripheral surface surrounding the recess. A second package plate is bonded to the peripheral surface of the... Agent: Nihon Dempa Kogyo Co., Ltd.

20110316391 - Tuning-fork-type piezoelectric vibrating plate and piezoelectric device: A tuning-fork-type piezoelectric vibrating plate with a suppressed CI value and a piezoelectric device using thereof are provided. The tuning-fork-type piezoelectric vibrating plate includes: a base section formed by a piezoelectric material; and a pair of vibrating arms extended from the base section along a predetermined direction. On a front... Agent: Nihon Dempa Kogyo Co., Ltd.

20110316392 - Piezoelectric resonator and electrode structure thereof: There are provided an electrode structure of a piezoelectric resonator and a piezoelectric resonator including the same. The piezoelectric resonator includes: a piezoelectric plate vibrated by an electrical signal; and first and second electrodes having first to fourth layers stacked on both surfaces thereof, wherein the first and third layers... Agent: Samsung Electro-mechanics Co., Ltd.

20110316393 - Piezoelectric film and piezoelectric device: A piezoelectric film includes crystals of a complex oxide having a perovskite structure with (100)-preferred orientation and represented as: Pb1+δ[(ZrxTi1-x)1-yNby]Oz, where x is a value in a range of 0<x<1, y is a value in a range of 0.13≦y≦0.25, and δ and z are values within ranges where the perovskite... Agent:

20110316394 - Spindle motor: A spindle motor is disclosed, the spindle motor including a bearing assembly including a first floor plate, a first lateral plate extended from an upper edge of the first floor plate, a second lateral plate formed by being protruded from the first floor plate to a direction facing a bottom... Agent: Lg Innotek Co., Ltd.

  
12/22/2011 > 36 patent applications in 32 patent subcategories. patent applications/inventions, industry category

20110309692 - Linear vibrator: Disclosed is a linear vibrator, the linear vibrator including: a stator including a circuit substrate formed at a bottom surface with a connection terminal and a coil block arranged at an upper surface opposite to the bottom surface and electrically connected to the connection terminal; a first cover arranged at... Agent: Lg Innotek Co., Ltd.

20110309691 - Linear vibrator and electronic device having the same: There is provided a linear vibrator including a housing providing an internal space; a magnetic field part having a yoke disposed in the internal space and a magnet magnetized on a surface of the yoke and vibrating in the internal space by an interaction with a coil to which power... Agent: Samsung Electro-mechanics Co., Ltd.

20110309693 - Molded motor and electric vehicle: A first motor case (52) comprises a partition unit (52A) of annular shape that is formed on a surface facing a first space (P1) that is formed between the first motor case (52) and a gear case (70). The gear case (70) is fitted into the partition unit (52A).... Agent: Sanyo Electric Co., Ltd.

20110309694 - Electric machine- flux: An electric machine (10; 100) comprises a rotor (14) having permanent magnets (24) and a stator (12) having coils (22) wound on stator bars (16) for interaction with the magnets across an air gap (26a, b) defined between them. The rotor has two stages (14a, b) arranged one at either... Agent: Isis Innovation Ltd

20110309695 - Internally cooled servo motor with dry rotor: A cooling system for an electric motor is equipped with cooling tubes for transporting a cooling fluid, the tubes are installed within the slots along with the motor winding. The cooling tubes make direct contact with the windings of the motor through a thermal conductive coating that is also electrically... Agent:

20110309696 - Electric motor drive, in particular fan drive: An electro-motor drive, in particular for a fan drive of a motor vehicle, includes a commutator motor, a motor shaft of which is rotatably mounted on axially opposite sides in shaft bearings facing away from the bearing shield in order to substantially dampen the sound of at least bearing play-related... Agent:

20110309697 - Electric motor assemblies including stator and/or rotor cooling: An electric motor assembly including a stator having a stator core and windings around the stator core is disclosed. The stator core has opposing ends and an outer surface extending between the opposing ends. The electric motor assembly also includes a housing having an inner surface enclosing at least a... Agent:

20110309698 - Electric motor assemblies including stator and/or rotor cooling: An electric motor assembly including a stator having a stator core and windings around the stator core is disclosed. The stator core has opposing ends and an outer surface extending between the opposing ends. The electric motor assembly also includes a housing having an inner surface enclosing at least a... Agent:

20110309699 - Electric machine-cooling: An electric machine (10;100) comprises a rotor (14a, b) having permanent magnets (24a,b) and a stator (12) having coils (22) wound on stator bars (16) for interaction with the magnets across an air gap (26a, b) defined between them. The bars and coils are enclosed by a stator housing (42a,b;... Agent: Isis Innovation Ltd

20110309725 - Wiring component of rotating electrical machine for vehicle: A wiring component of a rotating electrical machine for a vehicle, includes a segment wire provided at the rotating electrical machine formed in an annular shape, made of a conductive wire rod and arranged in a circumferential direction of the rotating electrical machine, wherein the segment wire includes a main... Agent: Aisin Seiki Kabushiki Kaisha

20110309700 - Connecting molding for automation of three-phase motor winding: The present invention relates to a connection molding for automation of a three- phase motor winding, which specifically comprises: a fixed coil part fixed inside of a main body, a coil part installed within the fixed coil part, a central shaft fixed to the main body and passing through the... Agent:

20110309726 - Electric machine- modular: An electric machine (100) comprises a stator (112) and a rotor (114a, b) mounted for rotation about a rotor axis (120) with respect to the stator. Permanent magnets (124a, b) are carried by the rotor. The rotor has an output (190). The stator has coils (122) wound on stator bars... Agent: Isis Innovation Ltd

20110309701 - Motor assembly: A motor assembly includes a flexible base mount having an axial tube, a rigid outer mounting shell member inserted into and retained to the axial tube by retaining and retained members disposed therebetween, a stator winding subassembly surrounding the outer mounting shell member and supported by resting on a surrounding... Agent:

20110309702 - Electro-actuated magnetic bearings: Techniques are generally described for adjusting a magnetic field in a magnetic bearing by moving permanent magnets in real time. Some example devices or systems include a magnetic bearing comprising electro-actuators adapted to move permanent magnets relative to a rotor to balance the rotor. For instance, in one example, each... Agent:

20110309704 - Energy source machine of permanent magnets and elevated weights rotating: The present invention is an energy source machine comprising in one version of the embodiment of the present invention a vertically rotating base on a spindle held by a frame. The base comprises sliding cross rods, switchable permanent magnets and weight-units. When a rod becomes vertical it slides by the... Agent:

20110309703 - Motor for selective interaction of the magnetic fields of permanent magnets: The motor includes a central rotor rotating about a main shaft, with several first permanent magnets distributed around its periphery, having the same pole on an outer side; a plurality of satellite rotors arranged around the central rotor, each rotating about a corresponding secondary shaft parallel to the main shaft,... Agent: Jecsalis Dissenys I Patents, S.l.

20110309705 - Motor rotor and a motor having the same: A motor rotor includes an annular body and a plurality of magnetic bodies installed on an inner lateral surface of the annular body in an irregular manner, to prevent a rotating motor from generating a cogging effect, disperse the frequency of the cogging torque, and reduce the amplitude. Accordingly, noises... Agent: Fairchild Semiconductor Incorporated

20110309706 - Permanent magnet electric motor: According to one embodiment, a rotor 1 has rotor cores 2a, 2b divided in the axial direction. a permanent magnet 30 is mounted at the position of each of the magnetic poles of cores. The permanent magnet 30 of each magnetic pole is configured by a single tabular member that... Agent: Kabushiki Kaisha Toshiba

20110309707 - Motor: There is provided a motor including a rotor and a stator arranged outside the rotor in the radial direction. The rotor includes a rotor core, a plurality of magnets arranged at equal intervals in the circumferential direction of the rotor core and functioning as one magnetic pole, and salient poles... Agent: Asmo Co., Ltd.

20110309708 - Multi-winding homopolar electric machine: A multi-winding homopolar electric machine and method for converting between mechanical energy and electrical energy. The electric machine includes a shaft defining an axis of rotation, first and second magnets, a shielding portion, and a conductor. First and second magnets are coaxial with the shaft and include a charged pole... Agent: Ut-battelle, LLC

20110309709 - Rotating machine provided with coil and method of producing the rotating machine: In a rotating machine, a recording disk is mounted on a hub. A base rotatably supports the hub through a bearing unit. A core is fixed to the base and includes an annular portion and a salient pole radially extending therefrom. A coil is formed by winding a wire around... Agent: Alphana Technology Co., Ltd.

20110309710 - Core and motor having the same: Disclosed is a core including a plurality of core layers in a laminated structure formed through one-directional press shearing and having an insulating layer formed on the surface thereof prevented from being damaged by burrs formed through the press shearing when a winding coil is wound on and around the... Agent: Samsung Electro-mechanics Co., Ltd.

20110309711 - Separable tooth tip armature construction: In a process of producing a stator forming part of a rotary motor arrangement, a multiplicity of laminations are joined together to produce a first stack of laminations defining teeth, slots between adjacent teeth, and a yoke section connecting the teeth together. Coil elements are then mounted on the teeth... Agent: Kollmorgen Corporation

20110309712 - Stator with intermediate teeth: A stator for an electrical machine, the stator including a plurality of stator teeth distributed in a non-uniform pattern with a short and long tooth spans along a circumference of the stator, wherein each stator slot between two stator teeth distanced by a long tooth span including an intermediate tooth... Agent:

20110309713 - Spindle motor: A spindle motor is provided, the motor including a bearing assembly including a bearing housing that further includes a housing body and a plurality of staircase sills formed at a periphery of the bearing housing, and a bearing disposed inside the bearing housing; a stator including a core that further... Agent: Lg Innotek Co., Ltd.

20110309714 - Actuating device, in particular for a heating element valve: An actuating device for a heating element valve has a drive motor with a motor shaft, an actuator, and a rotation-linear conversion drive. The conversion drive is coupled on the drive side to the motor shaft and on the output side to the actuator and converts a rotational movement of... Agent: Diehl Ako Stiftung & Co. Kg

20110309715 - Dielectric insulation medium: A dielectric insulation medium. The insulation medium is characterized in that it comprises a fluoroketone having from 4 to 12 carbon atoms.... Agent:

20110309716 - Ferroelectret two-layer and multilayer composite and method for production thereof: The invention relates to a method for producing double or multilayer ferroelectret with defined cavities by: structuring at least one first surface of a first polymer film (1) forming a height profile, applying ate least one second polymer film (5, 1′) to the structured surface on the first polymer film... Agent:

20110309717 - Two-dimensional comb-drive actuator and manufacturing method thereof: A two-dimensional comb-drive actuator and manufacturing method thereof are described. The two-dimensional comb-drive actuator includes a supporting base, a frame and a movable body. The supporting base has first comb electrodes and the frame has internal comb electrodes and external comb electrodes. The external comb electrodes of the frame are... Agent: Opus Microsystems Corporation

20110309718 - Ceramic electronic component and manufacturing method therefor: When an external terminal electrode of a ceramic electronic component such as a laminated ceramic capacitor is formed by plating, plating growth may be also caused even in an undesired location. The ceramic surface provided by a component main body is configured to include a high plating growth region of,... Agent: Murata Manufacturing Co., Ltd.

20110309719 - Surface acoustic wave element and method of manufacturing same: A surface acoustic wave element has a small energy loss and when it is used in a filter device, suppresses a spurious component occurring near the resonant frequency of a principal response and improves the frequency characteristic near the pass band of the filter device. The surface acoustic wave element... Agent: Murata Manufacturing Co., Ltd.

20110309720 - Piezoelectric device and method for manufacturing same: A piezoelectric device employs solder on a roughened surface to improve bonding of electrical contacts with the device package. The device package includes a base, a crystal frame and a lid. The base includes connecting electrodes on a side of the base adjacent the crystal frame. The base has a... Agent:

20110309721 - Small scale smart material actuator and energy harvesting apparatus: A micro-scale, smart material actuator having an overall length smaller than 10 mm comprising a multilayer piezoelectric stack housed in a mechanical amplifier made up of a fixed supporting member, a movable supporting member connected to compliant links attached to one or more actuating arms such that, when a suitable... Agent: Viking At, LLC

20110309722 - Vibration-type driving apparatus: A vibration-type driving apparatus including: a vibrator holder wherein a plurality of vibrators each having at least an electro-mechanical energy conversion element and a elastic member having a contact portion formed therein are connected to a vibrator holding member, for generating an ellipsoidal movement of the contact portion, to move,... Agent: Canon Kabushiki Kaisha

20110309723 - Bladeless wind power generator: In a first embodiment, a wind to energy conversion system is constructed out of a number of modular power units (110), each modular power unit (110) comprised of 36 air jet tunnels (106). Each air jet tunnel (106) is constructed using a cantilever array mounted in a cascaded frame (104)... Agent:

20110309724 - Motor and method of manufacturing the same: The present invention relates to a motor, particularly, to a spindle motor and a method of manufacturing the same, in which a base plate is integrated with a bearing housing an insert molding or insert injection method at the same time when the bearing housing is made of resin, thereby... Agent: Samhongsa Co., Ltd.

  
12/15/2011 > 20 patent applications in 17 patent subcategories. patent applications/inventions, industry category

20110304224 - Compact starter-generator with common core for main and exciter winding: A power system for a vehicle may comprise an electric machine attached to an engine of the vehicle. The electric machine may comprise only one stator core; a stator main winding wound on the one stator core; a stator exciter winding wound on the one stator core. The stator main... Agent: Honeywell International Inc.

20110304225 - Rotary electric machine: A rotary electric machine includes a stator in which windings are arranged around a plurality of main poles of a stator core, and a hybrid type rotor arranged with an air gap between the stator and the rotor has a step angle for the rotor of about 4.09° and uses... Agent: Nidec Servo Corporation

20110304226 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module and a method for cooling an electric machine. The electric machine module comprises the electric machine including a stator with stator end turns and a housing with at least two removably-coupled frame members. Each of the at least two removably-coupled frame... Agent:

20110304227 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module and a method for cooling an electric machine. The electric machine module comprises the electric machine including a stator with stator end turns, a through bolt, and a housing with at least two removably-coupled frame members. Each of the at least... Agent:

20110304228 - Potted end turns of an electric machine: Embodiments of the invention provide an electric machine module and a method for cooling an electric machine module. The electric machine module includes an electric machine including a stator with stator end turns, a liquid-cooled housing at least partially enclosing the electric machine, and a potting material in contact with... Agent:

20110304229 - Stator element: A stator element having a yoke is provided. The stator has several laminated metal plates and a number of tooth radially protruding from one side of the yoke. The stator also has a cooling unit providing a path for the flow of a cooling medium along the yoke. The yoke... Agent:

20110304230 - Fan, electric motor, and machine tool: A fan having an air guide and a flywheel is provided, the flywheel being attached to a shaft, for cooling an electric motor. The electric motor has a rotor which can be attached to the shaft. The air guide is arranged in an interchangeable manner at a position between the... Agent:

20110304231 - Safety release mechanism for linear actuator: A safety release mechanism for a linear actuator having a lead screw and a telescopic tube includes a nut, a protection shroud, a sleeve connected to the telescopic tube, a clutching element and a spiral spring. The nut is threadedly and drivingly connected to the lead screw. The protection shroud... Agent: Timotion Technology Co. Ltd.

20110304232 - Electromagnetically driven motor and electric power generator: Method and apparatus for powering an electric motor by circumferentially positioning an array of drive magnets on a rotor and positioning a series of electromagnets on a platform surrounding the drive magnets. The electromagnets are energized and provided with a repulsive polarity at exact time and position necessary to repel... Agent:

20110304233 - Electric machine having a rotor: The invention relates to an electric machine, particularly a transversal flux machine, comprising a rotor (1) designed as outer rotor (2) or inner rotor (57), comprising at least one reflux ring (7) having a longitudinal axis (27, 39, 52), permanent magnets (3, 31, 44, 58) having alternating magnetic polarity (14,... Agent: Robert Bosch Gmbh

20110304234 - Small electric motor: In a small electric motor having a stator and a rotor which includes a solid-cylindrical permanent magnet and at least one shaft element mounted on a face of the permanent magnet and bonded thereto by adhesive, the shaft element has at least one recess on its face facing the permanent... Agent: Maxon Motor Ag

20110304235 - Permanent magnet electric motor: According to one embodiment, a rotor is configured by a rotor core and magnetic poles. Two or more types of permanent magnets are used such that each product of coercivity and thickness in the magnetization direction becomes different. A stator is located outside the rotor with air gap therebetween and... Agent: Kabushiki Kaisha Toshiba

20110304237 - Stator segment unit adapted to build a ring-shaped stator when assembled: A stator segment unit adapted to build a ring-shaped stator when assembled is provided. The stator segment unit includes a stator yoke with at least one stator tooth protruding from the yoke, at least one stator winding having a first winding section fixed close to the tooth, and a second... Agent:

20110304236 - Synchronous electric motor: A synchronous electric motor, comprising a rotor 2 and a stator 3, wherein a plurality of stator teeth 7 form stator teeth groups 8 with three stator teeth 7 lined up circumferentially forming one group; for the three stator teeth, a main coil is independently wound and sub-coil is further... Agent:

20110304238 - Rotating machine provided with stator core: A recording disk is to be mounted on a hub. A base rotatably supports the hub through a bearing. A stator core is fixed to the base and includes an annular portion and a salient pole extending radially therefrom. A magnet faces the salient pole radially and is rotated with... Agent: Alphana Technology Co., Ltd.

20110304239 - Electromechanical energy converter for generating electric energy from mechanical movements: An electromechanical energy converter for generating electric energy from mechanical vibrations has a bending bar, which is clamped at a fastening point to a holder that can be set in vibration and which can be elastically deflected at a free end area at a distance from the fastening point along... Agent: Albert-ludwigs-universitat Freiburg

20110304240 - High efficiency piezoelectric micro-generator and energy storage system: This present invention provides a power supply for implanting into a patient's body and providing electricity to a load within the body, said power supply comprising an enclosure; adapted for optimizing an activating force by mechanisms of orienting thereof; the power supply further comprising (a) a piezoelectric micro-generator comprising (b)... Agent: Sirius Implantable Systems Ltd.

20110304241 - Apparatus and method for electromechanical positioning: Provided is a device comprising at least one tubular piezo element for the electro mechanical positioning of a slider within the piezo element. The device has least one elastic friction means for exerting a normal force on the slider, the friction means being connected to the piezo element. A method... Agent:

20110304242 - Vibration-type driving device: A vibration-type driving device according to the present invention includes a plurality of vibrators in which contact portions perform an elliptical motion using a combination of vibrations in different vibration modes; and a driven object having contact regions that come into contact with the contact portions and move relative to... Agent: Canon Kabushiki Kaisha

20110304243 - Thin-film piezoelectric acoustic wave resonator and high-frequency filter: A thin-film piezoelectric acoustic wave resonator that has a large k2, can trap acoustic energy in a resonating part, does not excite spurious resonance, or can finely adjust resonance frequency and a high-frequency filter using the thin-film piezoelectric acoustic wave resonator are provided without increasing the number of processes. At... Agent: Hitachi, Ltd.

  
12/08/2011 > 31 patent applications in 26 patent subcategories. patent applications/inventions, industry category

20110298307 - Cooling unit for nuclear reactor control rod driving apparatus: A cooling unit cooling a coil assembly that generates electromagnetic force for driving a nuclear reactor control rod, and including a coil surrounding a driving shaft of the nuclear reactor control rod so as to generate the electromagnetic force; a coil housing surrounding the coil so as to enclose the... Agent: Kepco Engineering & Construction Company

20110298308 - Linear moto: A thrust generation mechanism comprises a stator (3) and a mover (5). The mover (5) includes permanent magnets (4) installed in a row so that the magnetic poles at the front and backsides of the magnets are alternately reversed along the traveling direction. The stator (3) includes upper and lower... Agent:

20110298309 - Actuator module applicable to various forms of joint: The present invention is about actuator modules that can be applied to various forms of joints and about joint structure using such modules, and the actuator modules includes actuator body comprising of electronics system and drive system and a separately connected decelerator, and the speed and torque obtained from the... Agent: Robotis Co., Ltd.

20110298310 - Flexible rotor sequentially actuated motor/generator: This motor/generator produces rotational torque and/or electrical energy employing a flexible magnetically permeable circular band as a rotor that in operation is in physical contact with the stator, arching and curving forward in response to advancing magnetic fields along the stator surface. The stator may be comprised of either a... Agent:

20110298311 - Electric motor and mobile object: An electric motor includes: a rotor configured to rotate about a rotating shaft; a stator having a coil; and a mold resin configured to mold the stator. The stator includes a bus ring which is provided along a circumferential direction of the stator and which is connected to the coil.... Agent: Sanyo Electric Co., Ltd.

20110298312 - Electric motors: Electric motors are disclosed with coils which induce a magnetic flux field which by its relationship with ferromagnetic poles provide the motoring force without use of an auxiliary magnetic field. The motors may be employed with fixed or pivotably mounted brushes. Pivotable brushes for electric motor brushes are disclosed.... Agent:

20110298313 - Motor with permanent magnets and method of manufacturing power tool with same: A permanent magnet electric motor has a stator and a rotor. The stator has a stator housing with at least a North pole and a South pole, each pole including permanent magnets affixed to an inner surface of the stator housing, where at least two of the magnets within a... Agent: Black & Decker Inc.

20110298315 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module including a housing. In some embodiments, the housing can include a sleeve member coupled to at least one end cap. The housing can include an inner wall at least partially defining a machine cavity, a coolant sump, and at least one... Agent: Remy Technologies, LLC

20110298314 - Vehicle drive system: A vehicle drive system configured with a dynamo within a case. The case is disposed on at least one axial side of the dynamo, and includes a wall portion overlapping the dynamo, which has a section that overlaps with the dynamo as viewed from the axial direction. The wall portion... Agent: Aisin Aw Co., Ltd.

20110298316 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module and a method for cooling an electric machine. The electric machine module includes the electric machine including a stator with stator end turns and a housing enclosing the electric machine. An inner wall of the housing defines a machine cavity. The... Agent:

20110298317 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module and a method for cooling an electric machine. The apparatus and method include providing the electric machine including a rotor and a stator with stator end turns and enclosing at least a portion of the electric machine within a housing. The... Agent:

20110298318 - Gravity fed oil cooling for an electric machine: Embodiments of the invention provide an electric machine module and a method for cooling an electric machine. The electric machine module includes an electric machine and a housing enclosing the electric machine within a machine cavity. The housing can include at least one end cap positioned axially adjacent to the... Agent:

20110298319 - Electric machine cooling system and method: Embodiments of the invention provide an electric machine module including a housing defining a machine cavity. In some embodiments, an electric machine can be positioned within the machine cavity and include a rotor hub coupled to rotor laminations. The rotor hub can include first and second axial ends and the... Agent: Remy Technologies, LLC

20110298320 - Flat type vibration motor: There is provided a flat type vibration motor 100 that includes a bracket 150 with a shaft 140 of which one end is inserted into and fixed to the center thereof, a printed circuit board 110 having a terminal portion 130 receiving external electricity and disposed on the side of... Agent: Samsung Electro-mechanics Co., Ltd.

20110298321 - Motor: A motor, including a body, including a housing, a stator, and a rotor, and a controller, including a control box, and a control circuit board. The body is disposed at the top of the motor. The controller is disposed at the bottom of the motor. The control circuit board is... Agent: Zhongshan Broad-ocean Motor Manufacturing Co., Ltd

20110298322 - Electric motor/gear mechanism unit: The invention relates to an electric motor/gear mechanism unit including a housing, an iron-free rotor winding rotatably arranged in the interior of the housing, a collector connected to the rotor winding, a rotor shaft extending through the collector, and a gear mechanism which is connected to the rotor shaft and... Agent: Maxon Motor Ag

20110298323 - Electro-mechanical actuator: A linear actuator is provided that includes a housing having an input member supported for rotation therein. An output member travels linearly along the input member when the input member is rotated relative to the output member. A guide rail extends along an inner surface of the housing. The output... Agent: Aries Engineering Company, Inc.

20110298324 - Electromagnetic non-contact brake: An electromagnetic non-contact brake may include an annular stator assembly including a predetermined number of poles formed about the stator assembly. A rotor assembly is disposed within the stator assembly and may include a selected number of poles formed about the rotor assembly. A shaft may extend through a center... Agent:

20110298325 - Electric motor: A novel electric motor rotor structure, particularly desirable for use with brittle rare-earth-magnets, offers improved resistance to rattling and axial shifting. This is achieved by forming the rotor with an annular central yoke connecting to a plurality of pole shoes along the periphery of the rotor and defining a magnet-receiving... Agent:

20110298326 - Electromagnetic motor and equipment to generate work torque: The present invention refers to a high efficiency and cold electromagnetic motor that is able to considerably increase the electromagnetic and/or mechanic potential energy available to be used in any equipment fed by primary sources of energy. More specifically, the present invention refers to a motor, or also a generator,... Agent: Associacao Keppe & Pacheco

20110298327 - Flux-concentrating stator assembly: A stator assembly for an electric motor includes an annular core centered about an axis of rotation of an inner rotor which the stator assembly surrounds. The stator assembly has a plurality of electrical windings, each wound in a respective spiral around the outer surface of the core and arranged... Agent: Gm Global Technology Operations, Inc.

20110298328 - Generator: There is provided an generator, the power generation efficiency of which is further improved by employing a configuration in which a power generation mechanism having a back-electromotive force prevention function is divided into two independent mechanisms, the phases thereof are completely shifted to each other to generate electric power, thereby... Agent:

20110298329 - Stator and electric motor: A stator includes an iron core 3 in which a plurality of teeth 2 are connected into an integral body, and coil wires 5 each of which is wound in series around each set of a predetermined number of teeth included in the plurality of teeth. Each of the coil... Agent:

20110298330 - Generator for a wind energy installation and method for its production: Disclosed is a generator for a wind energy installation having a rotor which has permanent magnets and is directly connected for drive purposes to a blade rotor of the wind energy installation, and having a stator which has an iron core composed of laminates. The generator is formed without the... Agent:

20110298331 - Electric machine: An electric machine having a stator body and a machine housing is provided. The stator body includes a stator ring of generally annular shape and a plurality of stator teeth projecting radially inward. A first bolt hole is defined in either the stator ring or machine housing, and a first... Agent: Gm Global Technology Operations, Inc.

20110298332 - Electric generator excited by ionizing radiations: The invention relates to an electric generator sensitive to ionizing radiation produced by the reverse mounting of a diode in parallel between a reverse polarization stack and a pulse converter or only with a pulse converter. A generator is thus provided that can be used inside a spacecraft or in... Agent:

20110298333 - Direct conversion of nanoscale thermal radiation to electrical energy using pyroelectric materials: The embodiment provided herein are directed to a pyroelectric (PE) energy converter which is capable of combining nanoscale thermal radiation and pyroelectric energy conversion for harvesting low grade waste heat. The converter advantageously makes use of the enhanced radiative heat transfer across a nanosize gap to achieve high operating frequencies... Agent:

20110298334 - Planar component with vibration damping: A planar component (1), in particular a sheet metal element, which is provided with at least one piezoelectric actuator (7-9) for its active vibration damping, wherein the piezoelectric actuator (7-9) is applied to the inside or the outside (15) of a bead (3-5) formed in the component.... Agent: Magna Steyr Fahrzeugtechnik Ag & Co Kg

20110298335 - Electromechanical transducer having a polyisocyanate-based polymer element: The present invention relates to an electromechanical transducer, in particular an electromechanical sensor, actuator and/or generator, which exhibits a polymer element that is obtainable from a reaction mixture comprising a polyisocyanate or a polyisocyanate prepolymer or a mixture thereof and a compound with at least two isocyanate-reactive amino groups. Moreover,... Agent: Bayer Materialscience Ag

20110298336 - Ceramic, piezoelectric device, and production method thereof: e

20110298337 - Piezoelectric multilayer component having a disturbance material and method of forming same: A piezoelectric multilayer component includes a stack of piezoceramic layers, which are arranged one on top of the other, and electrode layers. The stack has a first area and a second area. The second area contains a disturbance material, which is used to make the second area less mechanically robust... Agent: Epcos Ag

  
12/01/2011 > 39 patent applications in 30 patent subcategories. patent applications/inventions, industry category

20110291494 - Three-dimensional sliding system with onboard linear motor: A three-dimensional sliding system has an X-table and a Z-table, which are actuated to travel independently of each other. The sliding system is simple in construction and adapted to actuate a movable table with less takt time. A bed has a first flat zone extending in a horizontal direction to... Agent: Nippon Thompson Co., Ltd.

20110291495 - Voice coil motor: A voice coil motor is disclosed, the motor including: a mover including a bobbin including a first bobbin having a lens secured therein and a plurality of second bobbins intermittently protruded from an upper surface of the first bobbin, and a coil block secured to a periphery of the first... Agent: Lg Innotek Co., Ltd.

20110291496 - Sealed linear motor system: A sealed linear motor system is provided. The sealed linear motor system includes a sealed coil assembly having a plurality of coil windings within a base plate and comprising covers disposed about the base plate and coil windings to prevent moisture and/or chemical ingress into the base plate and the... Agent: Anorad Corporation

20110291497 - Linear vibrator: There is provided a linear vibrator including a fixing unit having a magnet in an inner space of a certain size, the magnet generating magnetic force; a vibration unit including a coil disposed to face the magnet and generating electromagnetic force by interaction with the magnet, and a holder coupled... Agent: Samsung Electro-mechanics Co., Ltd.

20110291498 - Electric motor and rotor: In a rotor, a plurality of permanent magnets 21 are held in a permanent magnet holding member 29 made of a synthetic resin and fixed to an outer peripheral part of a cylindrical rotor main body 28. An outer peripheral surface of the rotor main body 28 is a cylindrical... Agent:

20110291499 - Molded motor and mobile body therewith: A molded motor having a stator having an annular stator core coated with molding resin has a motor case which joins the stator. The motor case has a rib portion formed at the outer circumference of the junction face between the motor case and the stator.... Agent: Sanyo Electric Co., Ltd.

20110291500 - Motor: A motor with a body, including: a housing, a stator, and a rotor; and a controller, including a control box, and a control circuit board. The body is disposed at the top of the motor. The controller is disposed at the bottom of the motor. The control circuit board is... Agent: Zhongshan Broad-ocean Motor Manufacturing Co., Ltd.

20110291532 - Coreless electromechanical device: A coreless electromechanical device having a first and second member which are movable relative to each other, includes: a permanent magnet disposed on the first member; an air-cored electromagnetic coil disposed on the second member; and a coil back yoke which, being disposed on the second member, has a stacked... Agent: Seiko Epson Corporation

20110291501 - Integrated-inverter electric compressor: Provided is an integrated-inverter electric compressor with suppressed self-noise interference in an inverter unit, simplified electrical connections between an inverter circuit and a filter circuit, and fewer welded positions. A housing (2) has, on the periphery thereof, an inverter box (5) accommodating the inverter circuit (21) and a junction box... Agent: Mitsubishi Heavy Industries, Ltd.

20110291502 - Motor: A motor, including: a body, including a housing, a stator, and a rotor; and a controller, including a control box, and a control board. The body is disposed at the top of the motor. The controller is disposed at the bottom of the motor. The control board is disposed in... Agent: Zhonhshan Broad-ocean Motor Manufacturing Co., Ltd

20110291503 - Electromechanical arrangement for driving and/or braking a shaft: An electromechanical device for driving and/or braking a shaft (1) includes an electric motor having a rotor (2) that is rotationally fixed to the shaft (1), and a stator (4) supported in a housing (3) around the shaft (1) with a rotational degree of freedom in the peripheral direction in... Agent: Zf Friedrichshafen Ag

20110291504 - Rim motor/generator (rmg): The invention provides a Rim Electric Motor/Generator (RMG), utilizing the Solenoid principle which greatly increases the efficiency of an electric motor. The ring-shaped design allows the magnetic coils to wrap 360° around the rotor (FIG. 4), providing maximum possible ratio of transforming electric power to mechanical motion. Another benefit of... Agent:

20110291505 - Automotive alternator: Provided is an automotive alternator having structure for preventing entry and discharging of foreign matters irrespective of a posture of a brush unit, to thereby allow normalization of the brush unit. The brush unit of the automotive alternator includes a slip ring, a brush, a brush holder, and a slip... Agent: Mitsubishi Electric Corp.

20110291506 - Centrifugally decoupling touchdown bearings: Centrifugally decoupling mechanical bearing systems provide thin tensioned metallic ribbons contained in a support structure. This assembly rotates around a stationary shaft being centered at low speeds by the action of the metal ribbons. Tension springs are connected on one end to the ribbons and on the other end to... Agent:

20110291508 - Combined radial stabilizer and centering element for passive magnetic bearing systems: A compact magnetic bearing element for radial centering is described. At zero and low speeds, the centering occurs through mechanical contact of a rotating slotted pole structure with stretched metallic ribbons. At higher speeds, eddy currents induced in the metallic ribbons provide non-contacting centering forces. Exemplary uses for the invention... Agent:

20110291507 - Magnetic bearing element with adjustable stiffness: A compact magnetic bearing element is provided which is made of permanent magnet discs configured to be capable of the adjustment of the bearing stiffness and levitation force over a wide range.... Agent:

20110291509 - Surface mount motor: A holder of a surface mount motor includes a holder body that is in contact with an outer peripheral surface of a motor casing and that is mounted on a circuit board, an extending portion that extends rearward from a rear end of the holder body in a direction of... Agent: Nidec Copal Corporation

20110291510 - Surface mount motor: A holder of a surface mount motor includes a bottom-raising piece formed so as to extend integrally from the bottom portion and bent at a predetermined bending angle with respect to the bottom portion. When the holder is attached to a motor body, there is a risk that a mounting... Agent: Nidec Copal Corporation

20110291511 - Axial flux motor and generator assemblies: An axial flux motor assembly (10) comprises a stack of first and second discs (20a, 20b) arranged alternately such that there is a gap allowing rotation between each disc (20a, 20b). The first disc (20a) is mounted on a rotatable shaft (40), whilst the second disc (20b) is fixed in... Agent: Scimar Engineering Ltd.

20110291512 - Magnetic rotary device: Devices of the invention include a rotor with magnets and a stator with two magnet zones. The end zone of the stator toward which the rotor magnet first approaches has two preferred variants: it can be formed either of one magnet or of a high magnetic permeability material. The other... Agent:

20110291513 - Annular power converter having a motive effect: The invention relates to an energy conversion apparatus between mechanical and electrical energy. In order to create a new geometry for the important system components of electric motors and electric generators, it is proposed to stationary arrange permanent magnets (14) in a ring-shape or in the inside of a ring.... Agent:

20110291514 - Resilient rotor assembly for interior permanent magnet motor: A method for manufacturing an interior magnet rotor core motor is described herein. The method includes attaching a resilient material to an inner rigid structure configured to engage a shaft associated with the motor, engaging the structure with the motor shaft, positioning the shaft and structure assembly with respect to... Agent:

20110291515 - Brushless motor: A brushless motor has a stator and a rotor. The stator has a stator core with a plurality of inwardly extending salient poles and windings wound about the salient poles. The rotor has a shaft, a rotor core fixed onto the shaft, and magnets inserted in the rotor core for... Agent:

20110291516 - Electric machine rotor bar and method of making same: A method, system, and apparatus including an electric machine having a plurality of rotor bars and a first coupling component configured to electrically couple the plurality of rotor bars together. Each rotor bar of the plurality of rotor bars includes a first metallic material having a first electrical resistivity and... Agent:

20110291517 - Method and apparatus for fabricating a rotor for an induction motor: A method for forming a rotor for an induction motor includes providing a rotor core including a plurality of conductor bar grooves having first and second ends corresponding to first and second ends of the rotor core wherein the conductor bar grooves are progressively larger closer to the ends of... Agent: Gm Global Technology Operations, Inc.

20110291518 - Rotor assembly for a generator or a motor: A rotor assembly for a generator includes a rotor hub, a first rotor pole, a second rotor pole, and an element (e.g., wedge). Each rotor pole extends from the rotor hub, and includes a winding of conductive wire coupled thereto and a pole head. The pole head is positioned on... Agent: Emerson Electric Company

20110291520 - 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: Nidec Motor Corporation

20110291519 - Segmented stator assemblies having end caps: Segmented stator assemblies having a plurality of stator segments and a plurality of end caps are disclosed. According to one example embodiment, a segmented stator assembly includes a plurality of stator segments and a plurality of end caps. Each stator segment has a yoke portion and a tooth portion extending... Agent: Emerson Electric Co.

20110291521 - Stator for an induction motor: A substantially hollow cylindrical stator core having a longitudinal axis includes a plurality of winding slots longitudinally parallel with the longitudinal axis each having first and second ends wherein the slots taper progressively larger closer to the ends of the slots.... Agent: Gm Global Technology Operations, Inc.

20110291522 - Ceramic material, method for the production of the ceramic material and component comprising the ceramic material: The invention relates to a ceramic binary material and to a method for the production thereof. The material has piezoelectric properties and has a composition of the formula (1−x)(Bi0.5Na0.5TiO3)x(K0.5Na0.5NbO3), where 0<x≦0.15. Furthermore, the invention relates to a component comprising said material.... Agent: Epcos Ag

20110291523 - Package manufacturing method, package, piezoelectric vibrator, oscillator, electronic device and radio timepiece: This package manufacturing method is a method for manufacturing a package using a rivet having a flat plate-shaped head portion and a core portion protruding from a rear surface of the head portion. The package includes: a plurality of substrates that are bonded to each other: a cavity that houses... Agent:

20110291524 - Piezoelectric devices including frequency-adjustment units: Piezoelectric devices are disclosed that allow outside-in adjustment of vibration frequency produced by the devices. I.e., the vibration frequency can be increased or reduced. An exemplary piezoelectric device includes a tuning-fork type piezoelectric vibrating piece mounted inside a package. The vibrating piece has a base fabricated of a piezoelectric material,... Agent: Nihon Dempa Kogyo Co., Ltd.

20110291525 - Vibration element, manufacturing method thereof, and vibration wave actuator: A vibration element includes a substrate, a piezoelectric element including a piezoelectric layer and an electrode layer, and a bonding layer provided between the piezoelectric element and the substrate and comprising ceramic containing melted glass powder, wherein the vibration element causes the substrate to vibrate by vibration energy of the... Agent: Canon Kabushiki Kaisha

20110291527 - Fluid current energy capture apparatus and method: One aspect of the present invention involves investigation of the principles and feasibility of the harvesting energy from the wind in constrained spaces, such as around buildings, as an alternative to conventional rotary wind turbines. Some embodiments involve the idea of harvesting energy from wind induced vibration instead of wind... Agent: Cornell University

20110291526 - Piezoelectric stack compression generator: A stack of piezoelectric elements, in the form of an elongated rod divided in to segments, for generating electric energy in response to compressive stress is provided comprising: piezoelectric elements stacked one on top of the other such that electrodes of same polarity of adjacent disks are touching A holding... Agent: Innowattech Ltd.

20110291528 - Piezoelectric devices exhibiting enhanced resistance to physical impacts and moisture incursion: An exemplary piezoelectric vibrating device includes a piezoelectric vibrating piece that vibrates when electrically energized, a first package plate, and a second package plate. The first package plate has a respective inner main surface defining a recess. The recess has volume and dimensions sufficient to contain at least a portion... Agent: Nihon Dempa Kogyo Co., Ltd.

20110291529 - Bonded glass cutting method, package manufacturing method, package, piezoelectric vibrator, oscillator, electronic device, and radio-controlled timepiece: Provided is a bonded glass cutting method of cutting a bonded glass, in which a plurality of glass substrates is bonded together on bonding surfaces thereof through a bonding material, along an intended cutting line, the method including: a first laser irradiation step of emitting a first laser to irradiate... Agent:

20110291530 - Crystal oriented ceramic composite body, and piezoelectric/electrostrictive element: A crystal oriented ceramic composite body including a substrate that has a first surface and a second surface, and a {100} oriented ceramic film that is disposed to face the first surface. The {100} oriented ceramic film includes a first sectional surface. The first sectional surface is perpendicular to the... Agent: Ngk Insulators, Ltd.

20110291531 - Multiple electrode plane wave generator: The invention may be embodied as an ultrasonic plane wave generator having a first sheet of piezoelectric material and a second sheet of piezoelectric material. A shared electrode may be between the first sheet and the second sheet. A first electrode set may have a plurality of electrodes, and these... Agent:

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