Electrical generator or motor structure inventions 09/06

20060208579 - Parasitic power collection system for portable printer: A parasitic power collection system is described that collects energy from the motion of the user of a wearable portable printer, or vehicle motion in the case of vehicle-mounted portable printer. It uses that collected energy to assist in recharging the battery of the portable printer and thus extend its...

20060208578 - Wave power assembly: The invention relates to a wave power assembly having a hull and a linear electric generator. The rotor of the generator is connected with the hull. The stator thereof is arranged to be anchored at a sea/lake bottom. According to an embodiment of the invention, the rotor is mounted in...

20060208580 - Motor: A motor has a stator substantially encapsulated within a body of thermoplastic material; and one or more solid parts used in the motor either within or near the body. The thermoplastic material has a coefficient of linear thermal expansion such that the thermoplastic material contracts and expands at approximately the...

20060208581 - Alternator: An automotive alternator according to the present invention includes: a shaft having an end portion rotatably supported by a rear bearing housed inside a rear bearing housing portion of a rear bracket; a rectifier for converting an alternating current into a direct current; and a first centrifugal fan for cooling...

20060208582 - Synchronous electric motor, particularly for washing-machines and similar household appliances, and relevant assembling method: Synchronous electric motor (3) for washing-machines (1) and similar household appliances with rotary drum (2), of the type comprising an inner stator (5) having relative stator windings (9) mounted fixed on a central axis (10), an electronic control board (18) electrically connected to the stator, and a heat sink element...

20060208584 - 50 dn alternator stator terminal insulator apparatus: An oil-cooled 50 DN stator terminal insulator comprising an insulating base member with an insulating bushing extending from a top surface of the base member for insulating one of multiple stator lead terminals, and associated parts kit. The insulator includes a central aperture for receiving the terminal such that the...

20060208586 - Electric drive with sensor mounted on printed circuit board: An electric drive (1) with a motor housing (16), a bearing plate (4), an electrically insulating brush holder plate (3) with formed-on plug housing (11), a printed circuit board (13) with plug lugs 14 which project through plug recesses of the brush holder plate (3) into the plug housing (11),...

20060208583 - Electronic part-incorporating connector and wiring harness with electronic part-incorporating connector: There is provided an electronic part incorporating connector in which an electronic part and a connecting part for connecting a lead of the electronic part to an electric wire are housed in a housing, wherein the housing is divided into a first housing for housing the electronic part and a...

20060208585 - Stator for an electrical machine: A stator for an electrical machine includes a plurality of coils arranged on a stator yoke, each coil having a pair of ends; a plurality of linking conductors which are electrically insulated from each other, each conductor having a terminal element electrically connected to two ends of two adjacent coils;...

20060208587 - Stator for an electrical machine: In a plurality of stator coils arranged on the yoke, each coil has a pair of ends, each end being adjacent to a respective end of an adjacent coil to form pairs of adjacent ends. A plurality of mutually insulated concentrically arranged linking conductors each has a plurality of circumferentially...

20060208588 - Electric drive with expandable catch and protective device: An electric drive for an electric motor. The electric drive is made up of components consisting of a brush holder plate and a bearing plate which are interconnected via at least one snap-on connector with an expandable catch means that is disposed on an external area of an electric motor,...

20060208589 - Integrated magnetic/foil bearing and methods for supporting a shaft journal using the same: An integrated bearing system (10) for supporting a rotatable shaft journal (58). The system (10) comprises a foil bearing (40) in combination with a magnetic field generating device (50) that produces a magnetic bearing capability to the rotatable shaft journal (58). The foil bearing (40) is integrated into the magnetic...

20060208590 - Rotor: A rotor. The rotor includes a case, a reinforcing part, a shaft and a connecting element. The reinforcing part is formed with the case and defines an opening. The shaft extends into the opening. The connecting element connects the case and the shaft, with the reinforcing part disposed inside....

20060208591 - Actuator using permanent magnet: An actuator using a permanent magnet comprises: a first core and a second core facing each other with a certain gap and having a space therein; a hollow bobbin coil fixedly installed at one side of the space for generating a magnetic force at the time of a current supply;...

20060208592 - Direct current planar motor: A direct current planar motor is disclosed, comprising a rotor, at least a first stator and at least one second stator. The rotor can produce a multi-pole magnetic field with alternating polarity; the first stator having at least a first planar coil is parallelly arranged at a side of the...

20060208593 - Brushless dc motor: A brushless DC motor prevents disconnection of a magnetic flux and to minimize leakage of the magnetic flux, thereby reducing torque ripple. A plurality of magnetic flux-disconnection preventing holes are arranged in an outer periphery of a rotor core between installing holes into which magnets are fitted. The plurality of...

20060208594 - Electric rotating machine: In a dynamoelectric machine according to the present invention, a first three-phase wye-delta hybrid winding and a second three-phase wye-delta hybrid winding are installed in a stator core having a plurality of slots. A first delta U winding portion and a first wye U winding portion are housed in identical...

20060208595 - Three-phase synchronous ac generator with electrically phase shifted stator windings for reduced mechanical and magnetic noise: A stator assembly for a dynamoelectric machine includes a core having a plurality of stator teeth and n sets of independent, three-phase windings disposed around the core. Each of the three phase windings are shifted from one adjacent slot winding by an electrical angle of π/(3n)+θ, and are shifted from...

20060208596 - Brushless motor: A brushless motor with a rotor having a magnet and a magnetic return, the magnet and magnetic return being arranged to form a gap therebetween, and a stator having a coil disposed in the gap. It is emphasized that this abstract is provided to comply with the rules requiring an...

20060208597 - Hybrid induction motor: The hybrid induction motor includes a housing; a stator installed in the housing and having a stator core portion and a stator coil portion; a rotor coupling body having a rotary shaft rotatably installed in at the housing, a cage rotor portion rotating integrally with the rotary shaft, and a...

20060208598 - Re-tightenable stator body wedge system: A generator stator core has a plurality of axially extending radial slots arranged about the periphery thereof with windings in each of the radial slots. At least one adjustable wedge and slide assembly is located in each of the slots, arranged to restrain the windings, the assembly including a wedge...

20060208599 - Fuel pump comprising an electric motor: The invention relates to a fuel pump which comprises an electric motor. Said electric motor is provided with carbon brushes (11) that cover a plurality of lamellae (17) of a collector (9). Grooves (7) in an armature (6) include sections of a plurality of coils (8), thereby particularly reducing erosion...

20060208600 - Electromagnetic motor to create a desired low frequency vibration or to cancel an undesired low frequency vibration: Electromagnetic motor with a slider that moves linearly with respect to the stator in either direction. Embodiments include slider internal or external the stator. Slider includes one magnetic flux producing element in all embodiments. Internal slider embodiments stator includes a minimum of three magnetic flux producing elements and a maximum...

20060208602 - Multiple phase claw pole type motor: In a multiple phase claw pole type motor which includes: a plurality of claw poles including a claw portion extending in an axial direction and having a magnetic pole surface facing a rotor in a state of being separated from the rotor by a small gap, a radial yoke portion...

20060208601 - Three phase claw pole type motor: A three-phase claw-pole-type motor having claw poles easily manufacturable and having high efficiency. A plurality of claw poles are provided each of which has a claw portion, a radial yoke portion extending radially outwardly and perpendicularly from the claw portion, and an outer peripheral yoke extending from the radial yoke...

20060208603 - Rotating electric machine with variable length air gap: A variable reluctance electric motor is disclosed. The motor has a generally circularly shaped stator core having at least one pole and a winding disposed thereon. Furthermore, the motor has a rotor core with at least one rotor lobe and configured to be insertable into the stator core. A gap...

20060208604 - Synchronous electric motor structure, particularly for washing machines with a rotary drum kinematically connected to the motor through a belt and pulley link: The invention concerns a synchronous electric motor (3) particularly for washing-machines (1) and similar household appliances with rotary drum (2) kinematically connected to the motor (3) through a belt and pulley link (6), of the type comprising a central stator (5) mounted fixed on an axis (7), and an outer...

20060208605 - Armature, method for manufacturing the armature, and direct current motor: Coils are provided on a plurality of tooth sections of a core. The coils are formed by successively winding a conductor on the tooth sections with at least one tooth section between each successive windings, such that each portion of the conductor extending between two tooth sections located with at...

20060208606 - Efficient high-speed electric device using low-loss materials: The invention relates generally to an electric device, such as an electric motor, a generator, or a regenerative motor, having a wound stator core made from advanced low-loss material. In preferred embodiments, the electric device is an axial airgap-type configuration. The invention provides an electric device having a high pole...

20060208607 - Actuator with double plate structure: An actuator, including: a substrate; a middle plate supported above the substrate to be rotatable, about a rotation axis, with respect to the substrate; a stage connected to and spaced above the middle plate; a pair of first driving electrodes located on the substrate around the rotation axis; and a...

20060208608 - Microfabricated vertical comb actuator using plastic deformation: A microfabricated actuator of the vertical comb-drive (AVC) type or staggered vertical comb-drive type for torsional or linear applications includes torsion springs which permit self-aligned deformation of the device (micromirror) structure of the actuator through the heating of the torsional springs to plasticity. The torsional springs can include perpendicular-beam springs...

20060208612 - Actuator, switch using the actuator, and method of controlling the actuator: An actuator includes a base, an arm having an elastic property and supported by the base, electrostatic-driving electrodes provided on the base and the arm, respectively, and a piezoelectric-driving layer. The piezoelectric-driving layer includes a first electrode layer on the arm, a piezoelectric layer on the first electrode layer, and...

20060208609 - Electroactive polymer actuated devices: Devices employing electroactive polymer actuators are disclosed. The devices include pumps, valves, cameras (where electroactive polymer actuators control either one or both of zoom and focus), vibrators (for inclusion in cell phones, game console controls, etc.) and audio speakers. These devices advantageously incorporate the actuator configurations descried. The devices generally...

20060208610 - High-performance electroactive polymer transducers: Electroactive polymer constructions that convert electrical energy to mechanical energy and vice versa are disclosed. The subject transducers (actuators, generators, sensors or combinations thereof) share the requirement of a frame or fixture element used in preloading elastomeric film electrodes and dielectric polymer in a desired configuration. The structures are either...

20060208611 - Micro movable device and method of making the same using wet etching: A micro movable device includes a base substrate, a fixed portion bonded to the base substrate, a movable portion having a fixed end connected to the fixed portion and extending along the base substrate, and a piezoelectric drive provided on the movable portion and the fixed portion on a side...

20060208613 - Small piezoelectric air pumps with unobstructed airflow: A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the electronic component....

20060208614 - Small piezoelectric air pumps with unobstructed airflow: A T-shaped blade, or one or more hollow tubes, are vibrationally excited by one or more piezoelectric elements to generate an airflow from a free end of the blade or tube(s). The airflow may be directed to, or drawn away from, an electronic component to cool the electronic component....

20060208615 - Oscillating apparatus: An oscillating apparatus includes a driver generating a waveform signal based on a stored data for specifying a waveform so as to output the waveform signal to a transducer. A detector detects a phase difference between electric voltage and current supplied to the transducer. A memory unit holds gain data...

20060208616 - Ultrasonic motor: An ultrasonic motor includes a rotor (70) and a piezoelectric driving unit (50) for driving the rotor to rotate. The driving unit includes a piezoelectric film (52) and a vibration film (54) contacting with the rotor at an outer-periphery thereof. The ultrasonic motor further includes covers (56, 58) having a...

20060208617 - Method of manufacturing a piezoelectric thin film element: The present invention provides a piezoelectric thin film element with superior piezoelectric properties in which the condition of the crystal of the piezoelectric thin film is appropriately controlled, and a manufacturing method thereof, as well as a inkjet recording head, inkjet printer, or other liquid ejecting apparatus employing the same....

20060208618 - Piezoelectric element, method of manufacturing the same, liquid-jet head, method of manufacturing the same, and liquid-jet apparatus: The present invention is to provide a piezoelectric element, a method of manufacturing the same, a liquid-jet head, a method of manufacturing the same, and a liquid-jet apparatus, all of which prevent an inter-layer detachment in a lower electrode. A method of manufacturing a piezoelectric element, comprising the steps of:...

20060202568 - Aligning apparatus, exposure apparatus, and device manufacturing method: An aligning apparatus includes a moving member, a magnetic member arranged vertically above the moving member, a stator unit which is arranged vertically below the moving member and has a plurality of coils, a first magnet unit which is provided to the moving member and generates a force with the...

20060202566 - Autofocus actuator: An autofocus actuator is provided by which it is possible to easily confirm that a holder and a yoke do not make contact with each other even when the space between the holder and the yoke is made as small as possible in order to improve shock resistance. The autofocus...

20060202567 - Non-rotating linear actuator: Linear actuator according to the principle of the synchronous motor, wherein the movable part is integrated non-rotatingly at mounting into a system which has to be actuated by the linear actuator by means of its axial movement, wherein the ring permanent magnets (5) are radially magnetized....

20060202564 - Permanent magnet member for voice coil motor and voice coil motor: The permanent magnet member 10 for a voice coil motor (VCM) in accordance with the present invention comprises a magnet body 1 including a shorter periphery 11, a longer periphery 12 located at a position separated from the shorter periphery 11 by a predetermined distance, and a pair of side...

20060202565 - Yoke for voice coil motor in recording disk drive: A first yoke member is received on a first reference plane defined on a support body. A second yoke member is coupled to the first yoke member so as to define a space for accommodation of a voice coil between the first and second yoke members. The second yoke member...

20060202569 - Vibration power generator: A vibration power generator with minimum power consumption, light-weight, lower production cost, and providing consistent and significant power generation and comprehensive applications that operates directly by a magnet without any yoke or iron core has its windings around a yoke otherwise in circular pattern changed to a flat pattern; the...

20060202570 - Adapter for mounting rotary load on motor flywheel housing: An adapter for fitting a flywheel housing to a rotary load has a generally circular centering plate having a central circular aperture dimensioned to fit snugly around the load's collar and a circular outer periphery. The centering plate is formed with first and second arrays of holes equispaced from a...

20060202571 - Scrubber: A tool having a housing into which a motor assembly and a battery assembly are inserted. A circuit board can be employed to electrically connecting the battery assembly to the motor assembly even if the battery assembly and the motor assembly are not disposed in an in-line configuration. The circuit...

20060202572 - Cooling device for a radial fan driven by an electric motor with ic: A radial fan includes an integrated circuit which is conductively connected to a printed circuit board to control a motor. The flow of air provided by a cooling impeller is conveyed directly to the integrated circuit to cool the integrated circuit during operation of the radial fan....

20060202573 - Rotary electric machine: In a rotary electric machine having a rotary electric machine part and a switching circuit part for performing current control of this rotary electric machine part and a heat-dissipating device for cooling multiple switching devices constituting this switching circuit part, the cooling effect on the switching devices is improved. The...

20060202574 - Motor/encoder assembly for tape drives: A magnetic/encoder assembly has a compact design and combines the features of motor, encoder and chuck locating feature within a single motor housing. The motor/encoder includes a DC brushless motor with an inner magnetic rotor. The motor windings and the commutation electronics are mounted towards the bottom side of a...

20060202575 - Hub dynamo: A hub dynamo is compacted into a small diameter size while ensuring the generation of a high voltage of electric power. A coil chamber formed between a pair of main iron 10 cores, is partitioned in the axial direction by at least one sub iron 11 core to form a...

20060202576 - Cooling fan with outboard bearings: A cooling fan comprising a housing that connects to a computer chassis supporting an electronic component. A fan blade assembly is disposed within the housing. A windings section is fixably mounted within said housing. The windings section forms a body having opposite ends and a bore there between. A first...

20060202577 - Hydrodynamic bearing and method for manufacturing the same, and spindle motor and method for manufacturing the same: The object of the present invention is to provide a hydrodynamic bearing, a method for manufacturing the same, and a spindle motor, with which the gap in the axial direction required for the smooth operation of a bearing can be sufficiently ensured. A method for manufacturing a hydrodynamic bearing comprising...

20060202578 - Motor stator assembly mounting features for radial mounting to a shroud and assembly method: A motor case assembly 20 a permanent magnet D.C. electric motor includes a motor case 24 having a generally cylindrical wall 25, a closed end 21, and an open end 23 opposite the closed end, defining an interior 27. Permanent magnet structure 26 is mounted to the wall 25 in...

20060202581 - Electrical rotation machine and a wind turbine system: An electric rotation machine for windmill power generation equipped with a stator slot structure having distributed windings and a rotor pole structure having permanent magnets, wherein the number of slots per pole per phase (Nspp) is undividable by 3 times P (where P is the number of poles), and pole...

20060202580 - Motor: According to the disclosed motor, since the motor includes a rotor in which a plurality of core pieces and magnets are alternately arranged in the circumferential direction, magnetic flux of the magnets is prevented from flowing between the core pieces neighbored with each other in the circumferential direction and the...

20060202579 - Polyphase motor with optimised running characteristics: The invention relates to a polyphase motor consisting of a primary part with N grooves, m electric phases and a concentrated or distributed winding, in addition to a secondary part (1) comprising magnetic poles (2). The invention is characterised in that disturbances that occur during operation, such as detent torque...

20060202582 - Synchronous motor and electric driving system: A synchronous motor with low vibrations and an electric driving system using the motor. A field-coil synchronous motor comprises a stator and a rotor rotatably supported at the inner peripheral side of the stator with a gap left relative to the stator. The stator has a stator coil supplied with...

20060202583 - Power consumption apparatus making use of vector quantity: A power consumption apparatus becomes independent of induced counter electromotive forces. The power consumption apparatus (100) includes a magnetic core (10) forming a static closed circuit; a couple of permanent magnets (20) in close contact with the magnetic core (10) such that two dynamic magnetic circuits (40) are formed through...

20060202584 - Conductor optimized axial field rotary energy device: The present invention provides an axial rotary energy device which is arranged in a multi-phase electric current configuration. The device includes a rotor having a plurality of permanent magnet poles secured thereto and further includes a stator formed by stacking a plurality of printed circuit board working conductor layers together...

20060202585 - Electrical machine: In order to prevent, among other things, fatigue failures in squirrel-cage rotors of electrical machines, the invention provides that the squirrel-cage winding is comprised of flexible conductors....

20060202586 - Stator of motor: A stator of a motor includes a yoke; a plurality of teeth located along a circumference of the yoke, each of the teeth including a neck, the necks being staggered with respect to a line extending along a circumferential direction of the yoke; and coils wound around the necks....

20060202587 - Stepping motor: A stepping motor comprising a circular stator core having a plurality of pole teeth at an inner circumferential edge and an air core coil fitted to the periphery of the pole teeth. An insulating film is formed on the surface of the air core coil. An insulation sheet is sandwiched...

20060202588 - Coreless generator set: The present invention provides a generator, which is coreless with brushes; and the generator has a simple structure for generating electricity with a high efficiency, a high rotation speed and a high power capacity....

20060202589 - Ultrasonic motor: It is an object to provide an ultrasonic motor that can stably and finely (that is, minutely) move a driven body. The invention provides an ultrasonic motor comprising an ultrasonic vibrator which includes an electromechanical transducer and which is configured to simultaneously generate two different vibration modes to produce substantially...

20060202590 - Low cost sh-saw fluid flow sensor: A SH-SAW based fluid flow sensor module is disclosed. The sensor module is inexpensive and disposable because it does not include any of the circuitry required for driving, powering, or reading the sensor module. The sensor module can be driven, powered, and read using either wired or wireless connections. Additionally,...

20060202591 - Method for manufacturing vibrating gyrosensor and vibrating element: A vibrating gyrosensor includes a support substrate on which a wiring pattern having a plurality of lands is formed, and a vibrating element mounted on a surface of the support substrate. The vibrating element includes a base part having a mounting surface on which a plurality of terminals, and a...

20060202592 - Enhanced amplitude piezoelectric motor apparatus and method: A piezoelectric drive motor especially well adapted for use with flow control systems on commercial aircraft, military aircraft and spacecraft. In one embodiment, the apparatus includes a support structure that supports a piezoelectric beam. A biasing element, for example a coil spring, is coupled between a free end of the...

20060197389 - Actuator with position detecting mechanism: A position detecting mechanism for specifying the position of a movable body using magnetism includes a magnetic device mounted to the movable body and a magnetic sensor mounted to a housing. The magnetic device includes a pair of yokes made of a magnetic substance, a plurality of permanent magnets interposed...

20060197388 - Magnetic circuit apparatus and method: An improved magnetic circuit apparatus and method for manufacturing is disclosed. In one embodiment, the improved magnetic circuit includes an upper assembly and a lower assembly. A selected amount of magnetic flux-enhancing material is disposed within an air gap formed between the upper and lower assemblies, thereby focusing magnetic flux...

20060197390 - Electric motor seal: An electric motor 1 consisting of a stator 4 comprising a housing 3, a rotor 5 which comprises a shaft 6 mounted in such a manner that it can rotate in the stator 4, and a sealing element 2 which seals a rotor space 7 enclosed by a housing 3...

20060197391 - Gas-cooled generator: A gas-cooled generator has a rotor rotatable about an axis, a stator surrounding the rotor concentrically and a rotating exciter connected to the rotor. The stator, rotor and exciter are arranged along the axis on a common base frame. A first cooler configured to cool the rotor and stator and...

20060197392 - Motor structure: A motor structure comprises a rotor having a driving portion and a magnetic element; the magnetic element being assembled to a lower end of the driving portion; and a stator including an electrode sheet, a coil, and a seat; the coil winding around a stator flame assembling the seat; a...

20060197393 - Integrated resolver for high pole count motors: An AC synchronous motor, also known as a stepper motor, uses its magnetics and drive coils to produce both motion and excitation for sets of position sensing coils. Each drive phase is equipped with one or more sensing coils, which may be differentially wound, with the coils configured to act...

20060197394 - Apparatus and system for driving a fan using a linear induction motor: The present invention provides a system and apparatus that includes an induction motor and/or a fan assembly. The motor includes a housing having an aperture and a shaft axially disposed within the housing and having an end extending though the aperture. The motor also includes a rotor that has one...

20060197395 - Spindle motor: A spindle motor includes a rotor magnet including a plurality of pairs of magnetic poles polarized in a radial direction and arranged along a circumferential direction of the rotor magnet and a rotor hub supporting the rotor magnet and being rotatable around an axis of the circular shape of the...

20060197396 - Control of an electrical reluctance machine: An electrical machine having stator (30) and rotor (31) is disclosed. The motor has field windings (F) and armature windings (A) energized by a suitable power electronic controller (401). A controller (400) sends signals to the power electronic controller (401) to control the armature current to control operation of the...

20060197397 - Stator, motor, and method of manufacturing such stator: A stator includes mutually independent annular coils and of two phases and teeth and of three phases....

20060197398 - Composite winding: An energy conversion machine and a method of manufacturing an energy conversion machine comprising a composite winding. The composite winding comprises two separate windings having two different wire gauges. One winding is primarily selected to obtain a desired stall torque or a desired short circuit current, while the other winding...

20060197399 - Motor: Motor having small torque ripple. In a core of an armature of a motor, teeth are disposed radially around a center axis, arrangement of pitch angles of the teeth having different picth angles, or arrangement of tip end widths of the teeth having different tip end widths is repeated three...

20060197402 - Motor and recording disk drive device provided with the same: In a spindle motor, a core (33) includes a plurality of core plates (34), which are laminated one on another. The core (33) is constituted by laminating two cores, that is, a first core (34a) and a second core (34b), which are different from each other in shape of a...

20060197400 - Rotating machine: A rotating machine (10), in particular a compressor or turbine, has a rotor shaft (11) which is rotatable about an axis (20) and is provided with at least one slot (14). The mechanical stresses in the region of the slot are reduced in that the at least one slot (14)...

20060197401 - Stator, spindle motor, and recording disk driving apparatus: Spindle-motor stator includes at least a first core sheet and at least one or more second core sheets located next to an end core sheet. A bent portion bent upward and a protrusion extending upward from the bent portion are formed at the forward end of the plurality of the...

20060197404 - Internal cooling fan with a non-repeating blade configuration: An internal cooling fan assembly for use with a claw-pole segment of a rotor assembly is provided that maximizes air flow while providing a reduced sound signature. The fan assembly includes a base portion that contacts the claw-pole segment when the fan assembly is mounted to the claw-pole segment. The...

20060197403 - Systems and methods for fastening internal cooling fans to claw-pole electro-mechanical machines: Methods, systems, and articles of manufacture for fastening internal cooling fans to claw-pole segments are provided. A claw-pole segment suitable for use in a rotor of an electromechanical machine is formed. The claw-pole segment may include a base portion, at least one claw pole projecting axially from the base in...

20060197405 - Hybrid elecromechanical actuator and actuation system: A hybrid electromechanical actuator has two different types of electromechanical elements, one that expands in a transverse direction when electric power is applied thereto and one that contracts in a transverse direction when electric power is applied thereto. The two electromechanical elements are (i) disposed in relation to one another...

20060197406 - Potassium niobate deposited body and method for manufacturing the same, surface acoustic wave element, frequency filter, oscillator, electronic circuit, and electronic apparatus: A potassium niobate deposited body in accordance with an embodiment of the invention includes an R-plane sapphire substrate, and a potassium niobate layer or a potassium niobate solid solution layer formed above the R-plane sapphire substrate, wherein the potassium niobate layer or the potassium niobate solid solution layer epitaxially grows...

20060197407 - Construction of saw devices: A silicon or quartz wafer for forming a SAW device is the subject of grinding and lapping operation to form its basic shape. The opposing surfaces, as well as the edges extending therebetween, are the polished to reduce the number and size of defects in the surfaces. Metal is deposited...

20060197408 - Surface acoustic wave device and method for making same and mobile phone having same: A surface acoustic wave (SAW) device includes a silicon substrate, a piezoelectric layer on the substrate and two generally comb-shaped electrodes. The thickness of the piezoelectric layer is preferably configured to be in the range from about 0.05 μm to about 2 μm, and the grain size of the piezoelectric...

20060197410 - Control method and apparatus of an ultrasonic motor, and an ultrasonic motor driver and controller: A control apparatus of an ultrasonic motor, comprises a driving wave number determining means for determining a driving wave number based on the targeted displacement of a driven object driven by the ultrasonic motor, a normative driving wave generating means for generating continuously normative driving waves in the number of...

20060197409 - Two-dimensional (2d) array capable of harmonic generation for ultrasound imaging: A two-dimensional (2D) array transducer capable of transmitting ultrasonic energy in tissue at a fundamental frequency and of sufficient power to generate a harmonic of the fundamental frequency. In particular, the invention requires that at least 25% of the array elements are excited to transmit the ultrasonic energy, that the...

20060197411 - Film-bulk acoustic wave resonator with motion plate: An apparatus and method for measuring a target environmental variable (TEV) that employs a film-bulk acoustic resonator with motion plate. The film-bulk acoustic resonator (FBAR) includes an acoustic reflector formed in an FBAR wafer and a surface. A first electrode is formed on the surface of the acoustic reflector and...

20060197413 - Actuator device: An actuator device has a drive section including a plurality of actuators arranged in a plane on a substrate, and a single first plate member to which drive forces from the actuators of the drive section are transmitted. A plurality of spacers are disposed between the first plate member and...

20060197412 - Piezo electric pump and device with such pump: The invention relates to a measuring device for measuring in an ear canal, the device comprising a probe for insertion into an ear canal and having an opening for letting air in to and out of the ear canal the device further comprising a pump for providing a pressure above...

20060197414 - Vibrating gyrosensor: A vibrating gyrosensor includes a support substrate on which a wiring pattern having a plurality of lands is formed, and vibrating elements mounted on a surface of the support substrate, wherein at least two vibrating elements are mounted on the support substrate, for detecting vibrations in different axial directions....

20060197415 - Piezoelectric element and method for manufacturing piezoelectric element: There is a need for a piezoelectric element capable of improving a productivity and a yield without impairing the piezoelectric characteristic and a method for manufacturing the same. A piezoelectric element is provided with a substrate, a first electrode film disposed on the substrate, a piezoelectric film disposed on the...

20060197389 - Actuator with position detecting mechanism: A position detecting mechanism for specifying the position of a movable body using magnetism includes a magnetic device mounted to the movable body and a magnetic sensor mounted to a housing. The magnetic device includes a pair of yokes made of a magnetic substance, a plurality of permanent magnets interposed...

20060197388 - Magnetic circuit apparatus and method: An improved magnetic circuit apparatus and method for manufacturing is disclosed. In one embodiment, the improved magnetic circuit includes an upper assembly and a lower assembly. A selected amount of magnetic flux-enhancing material is disposed within an air gap formed between the upper and lower assemblies, thereby focusing magnetic flux...

20060197390 - Electric motor seal: An electric motor 1 consisting of a stator 4 comprising a housing 3, a rotor 5 which comprises a shaft 6 mounted in such a manner that it can rotate in the stator 4, and a sealing element 2 which seals a rotor space 7 enclosed by a housing 3...

20060197391 - Gas-cooled generator: A gas-cooled generator has a rotor rotatable about an axis, a stator surrounding the rotor concentrically and a rotating exciter connected to the rotor. The stator, rotor and exciter are arranged along the axis on a common base frame. A first cooler configured to cool the rotor and stator and...

20060197392 - Motor structure: A motor structure comprises a rotor having a driving portion and a magnetic element; the magnetic element being assembled to a lower end of the driving portion; and a stator including an electrode sheet, a coil, and a seat; the coil winding around a stator flame assembling the seat; a...

20060197393 - Integrated resolver for high pole count motors: An AC synchronous motor, also known as a stepper motor, uses its magnetics and drive coils to produce both motion and excitation for sets of position sensing coils. Each drive phase is equipped with one or more sensing coils, which may be differentially wound, with the coils configured to act...

20060197394 - Apparatus and system for driving a fan using a linear induction motor: The present invention provides a system and apparatus that includes an induction motor and/or a fan assembly. The motor includes a housing having an aperture and a shaft axially disposed within the housing and having an end extending though the aperture. The motor also includes a rotor that has one...

20060197395 - Spindle motor: A spindle motor includes a rotor magnet including a plurality of pairs of magnetic poles polarized in a radial direction and arranged along a circumferential direction of the rotor magnet and a rotor hub supporting the rotor magnet and being rotatable around an axis of the circular shape of the...

20060197396 - Control of an electrical reluctance machine: An electrical machine having stator (30) and rotor (31) is disclosed. The motor has field windings (F) and armature windings (A) energized by a suitable power electronic controller (401). A controller (400) sends signals to the power electronic controller (401) to control the armature current to control operation of the...

20060197397 - Stator, motor, and method of manufacturing such stator: A stator includes mutually independent annular coils and of two phases and teeth and of three phases....

20060197398 - Composite winding: An energy conversion machine and a method of manufacturing an energy conversion machine comprising a composite winding. The composite winding comprises two separate windings having two different wire gauges. One winding is primarily selected to obtain a desired stall torque or a desired short circuit current, while the other winding...

20060197399 - Motor: Motor having small torque ripple. In a core of an armature of a motor, teeth are disposed radially around a center axis, arrangement of pitch angles of the teeth having different picth angles, or arrangement of tip end widths of the teeth having different tip end widths is repeated three...

20060197402 - Motor and recording disk drive device provided with the same: In a spindle motor, a core (33) includes a plurality of core plates (34), which are laminated one on another. The core (33) is constituted by laminating two cores, that is, a first core (34a) and a second core (34b), which are different from each other in shape of a...

20060197400 - Rotating machine: A rotating machine (10), in particular a compressor or turbine, has a rotor shaft (11) which is rotatable about an axis (20) and is provided with at least one slot (14). The mechanical stresses in the region of the slot are reduced in that the at least one slot (14)...

20060197401 - Stator, spindle motor, and recording disk driving apparatus: Spindle-motor stator includes at least a first core sheet and at least one or more second core sheets located next to an end core sheet. A bent portion bent upward and a protrusion extending upward from the bent portion are formed at the forward end of the plurality of the...

20060197404 - Internal cooling fan with a non-repeating blade configuration: An internal cooling fan assembly for use with a claw-pole segment of a rotor assembly is provided that maximizes air flow while providing a reduced sound signature. The fan assembly includes a base portion that contacts the claw-pole segment when the fan assembly is mounted to the claw-pole segment. The...

20060197403 - Systems and methods for fastening internal cooling fans to claw-pole electro-mechanical machines: Methods, systems, and articles of manufacture for fastening internal cooling fans to claw-pole segments are provided. A claw-pole segment suitable for use in a rotor of an electromechanical machine is formed. The claw-pole segment may include a base portion, at least one claw pole projecting axially from the base in...

20060197405 - Hybrid elecromechanical actuator and actuation system: A hybrid electromechanical actuator has two different types of electromechanical elements, one that expands in a transverse direction when electric power is applied thereto and one that contracts in a transverse direction when electric power is applied thereto. The two electromechanical elements are (i) disposed in relation to one another...

20060197406 - Potassium niobate deposited body and method for manufacturing the same, surface acoustic wave element, frequency filter, oscillator, electronic circuit, and electronic apparatus: A potassium niobate deposited body in accordance with an embodiment of the invention includes an R-plane sapphire substrate, and a potassium niobate layer or a potassium niobate solid solution layer formed above the R-plane sapphire substrate, wherein the potassium niobate layer or the potassium niobate solid solution layer epitaxially grows...

20060197407 - Construction of saw devices: A silicon or quartz wafer for forming a SAW device is the subject of grinding and lapping operation to form its basic shape. The opposing surfaces, as well as the edges extending therebetween, are the polished to reduce the number and size of defects in the surfaces. Metal is deposited...

20060197408 - Surface acoustic wave device and method for making same and mobile phone having same: A surface acoustic wave (SAW) device includes a silicon substrate, a piezoelectric layer on the substrate and two generally comb-shaped electrodes. The thickness of the piezoelectric layer is preferably configured to be in the range from about 0.05 μm to about 2 μm, and the grain size of the piezoelectric...

20060197410 - Control method and apparatus of an ultrasonic motor, and an ultrasonic motor driver and controller: A control apparatus of an ultrasonic motor, comprises a driving wave number determining means for determining a driving wave number based on the targeted displacement of a driven object driven by the ultrasonic motor, a normative driving wave generating means for generating continuously normative driving waves in the number of...

20060197409 - Two-dimensional (2d) array capable of harmonic generation for ultrasound imaging: A two-dimensional (2D) array transducer capable of transmitting ultrasonic energy in tissue at a fundamental frequency and of sufficient power to generate a harmonic of the fundamental frequency. In particular, the invention requires that at least 25% of the array elements are excited to transmit the ultrasonic energy, that the...

20060197411 - Film-bulk acoustic wave resonator with motion plate: An apparatus and method for measuring a target environmental variable (TEV) that employs a film-bulk acoustic resonator with motion plate. The film-bulk acoustic resonator (FBAR) includes an acoustic reflector formed in an FBAR wafer and a surface. A first electrode is formed on the surface of the acoustic reflector and...

20060197413 - Actuator device: An actuator device has a drive section including a plurality of actuators arranged in a plane on a substrate, and a single first plate member to which drive forces from the actuators of the drive section are transmitted. A plurality of spacers are disposed between the first plate member and...

20060197412 - Piezo electric pump and device with such pump: The invention relates to a measuring device for measuring in an ear canal, the device comprising a probe for insertion into an ear canal and having an opening for letting air in to and out of the ear canal the device further comprising a pump for providing a pressure above...

20060197414 - Vibrating gyrosensor: A vibrating gyrosensor includes a support substrate on which a wiring pattern having a plurality of lands is formed, and vibrating elements mounted on a surface of the support substrate, wherein at least two vibrating elements are mounted on the support substrate, for detecting vibrations in different axial directions....

20060197415 - Piezoelectric element and method for manufacturing piezoelectric element: There is a need for a piezoelectric element capable of improving a productivity and a yield without impairing the piezoelectric characteristic and a method for manufacturing the same. A piezoelectric element is provided with a substrate, a first electrode film disposed on the substrate, a piezoelectric film disposed on the...