Electrical generator or motor structure inventions 04/06

20060087179 - Engine using the transition state of a superconductor to produce energy: The inventive method uses a superconductor to generate energy. The superconductor is alternated between a temperature above and below a critical temperature defined by a transition between the superconducting and non-superconducting states. The superconductor interacts with a magnetic field as the superconductor changes states. Energy is harnessed by coupling with...

20060087180 - Bi-directional operating compressor using transverse flux linear motor: Disclosed herein is a bi-directional operating compressor using a transverse flux linear motor, the compressor comprising: a pair of stators including a plurality of U-shape upper stator iron cores and a plurality of U-shape lower stator iron cores, and a pair of neighboring circular winding coils; a rotor placed between...

20060087181 - Generator-motor: A generator-motor includes a control circuit. The control circuit is provided on an end surface of a motor. The control circuit includes a Zener diode, a capacitor, a U-phase arm, a V-phase arm, and a W-phase arm. The Zener diode, the capacitor, the U-phase arm, the V-phase arm, and the...

20060087182 - Housing structure of in-wheel motor: A housing structure of an in-wheel motor, the housing structure being formed by combining a plurality of divided housings, the housing structure receiving at least an electric motor for revolving a wheel, the housing structure includes a suspension side divided housing having a fixing boss for fixing the housing structure...

20060087183 - Rotary electric machine: A rotary electric machine is provided in which the press-fit load of a stator magnetic pole to a frame is stabilized, thus stabilizing the performance of the rotary electric machine, and that has high anti-corrosiveness and anti-rusty sealing property and is inexpensive. Particularly a rotary electric machine suitable for a...

20060087184 - Brushless motor and method of manufacturing the same: Fluid bearing mechanisms (6a and 6b) are formed between a shaft (2) and a central part (21) of an oil impregnated sintered sleeve (13). The oil impregnated sintered sleeve (13) has such an inner surface formed to be larger in aperture ratio at a thrust support end (23) and a...

20060087185 - Clutch/brake assembly with electrical generation system: A clutch assembly includes a rotatable input shaft, a clutch housing fixed relative to the input shaft, an input disk coupled to with the input shaft and rotatable therewith, and an output disk axially movable relative to the clutch housing to selectively engage the input disk. The clutch/brake assembly also...

20060087186 - Rotor-stator structure for electrodynamic machines: A rotor-stator structure for electrodynamic machinery is disclosed to, among other things, minimize magnetic flux path lengths and to eliminate back-iron for increasing torque and/or efficiency per unit size (or unit weight) and for reducing manufacturing costs. In one embodiment, an exemplary rotor-stator structure can comprise a shaft defining an...

20060087187 - Multivariable generator and method of using the same: A generator device for generating electrical energy includes a rotor having an even number of magnetic sources, and a first pair of stators, each having an odd number of coil members, the stators disposed adjacent to opposing side portions of the rotor....

20060087188 - Rotor-stator structure for electrodynamic machines: A rotor-stator structure for electrodynamic machinery is disclosed to, among other things, minimize magnetic flux path lengths and to eliminate back-iron for increasing torque and/or efficiency per unit size (or unit weight) and for reducing manufacturing costs. In one embodiment, an exemplary rotor-stator structure can comprise a shaft defining an...

20060087189 - Permanent magnet rotating electric machine: A permanent magnet rotating electric machine uses no skewing under a predetermined current and voltage condition to prevent torque from decreasing and to decrease pulsation torque to make the machine less vibrating and less noisy. The permanent magnet rotating electric machine includes a stator with multi-phase stator windings and a...

20060087190 - Single-phase induction motor: A single-phase induction motor comprises a stator having a stator coil; an induction cage rotor rotatably inserted into a receiving groove of the stator, having a rotation shaft at a center thereof, having a plurality of first conductor bars at an outer peripheral portion thereof with the same interval in...

20060087191 - Reluctance machine having a non-uniform air gap: A reluctance machine includes a stator having a stator core. The stator core includes a central bore and a plurality of stator poles extending inwardly from the stator core. Each of the stator poles includes a stator pole face. The reluctance machine further includes a rotor having a plurality of...

20060087192 - Apparatus for securing a bobbin of a reluctance machine: A switched reluctance machine includes a stator body having a stator pole. A bobbin is located on the stator pole. A stator winding is disposed on the bobbin. The switched reluctance machine further includes a first housing unit for receiving the stator body and an insulating member coupled to the...

20060087193 - Power tool: It is an object of the invention to provide an improved technique for controlling the output characteristic of a motor. Representative power tool includes a tool bit and a motor. The motor drives the tool bit and includes an armature, a coordinator, a plurality of segments and a plurality of...

20060087194 - Motor using rectangular waveform conductor: To provide a compact, light and simple linear or rotary motor driven by direct-current electric power at a low manufacturing cost for use of house fittings, carrying devices, electronic devices, and home electric appliances, a linear magnetic pole row (2) or an annular magnetic pole row (4) in which N...

20060087195 - Commutator: A commutator comprises a commutator base 10 of insulating material, a plurality of commutator terminals 20 each of which has a terminal portion 21 and a contact portion 22 and a plurality of carbon segments 30 formed on the base and over the contact portions, respectively, of the terminal. Each...

20060087196 - Electric motor with a housing for at least two carbon brushes: The holder (6) for the carbon brushes (5) can be removed from the motor with little effort as a result of the provision that means (11, 12), which cover the pivot bearing (3) of the armature shaft (2) to protect it against the entry of dirt, are provided, on their...

20060087197 - Metal-graphite brush: A brush body 4 of a metal-graphite brush 2 is composed of a commutator side portion 6 which contains graphite, copper and a metal sulfide solid lubricant, and a lead side portion 8 which contains graphite and copper but does not contain any metal sulfide solid lubricant. A lead wire...

20060087198 - Stator assembly for drum motor, a head drum assembly and a magnetic recording and reproducing apparatus: A stator assembly for a drum motor to generate a driving force in a motor rotor. A frequency printed circuit (FPC) is patterned with a plurality of main driving coils, and a yoke is connected to the FPC. The FPC may include a first substrate and a second substrate that...

20060087199 - Piezoelectric isolating transformer: The piezoelectric isolating transformer is characterized by an operating frequency range and includes a resonant structure having at least one mechanical resonance in the operating frequency range. The resonant structure has an insulating substrate, a first electro-acoustic transducer and a second electro-acoustic transducer. The substrate has a first major surface...

20060087201 - Methods and apparatus for generating power from vehicles: A method for generating power from a moving vehicle is provided. The method comprising: positioning at least one device for converting an airflow from a passing vehicle into power near a path of the moving vehicle; and generating power from the at least one device at least partially from the...

20060087200 - Oscillating-type generator: An oscillating-type generator is provided in which an impact member impacts piezoelectric elements to generate electricity and which can efficiently increase the number of impacts and generate a large amount of electricity. This oscillating-type generator includes: a generator member 2 having an impact member 22 impacting piezoelectric elements 21 to...

20060087202 - Piezoelectric actuator for media flowing therearound and use of a corresponding piezoeletric actuator: A piezoelectric actuator for media flowing around it having a piezo stack which is arranged within a deformable isolating material so as to be in direct contact therewith at least over certain regions. The isolating material is for its part enclosed by a fluidically closed actuator housing, which is formed...

20060087203 - Piezoelectric type vibrator, implantable hearing aid with the same, and method of implanting the same: Disclosed herein is a piezoelectric type vibrator included in an implantable hearing device. The piezoelectric type vibrator comprises: a housing; a piezoelectric element portion formed at one end thereof with a free end and at the other end thereof with a non-free end, the piezoelectric element portion being at least...

20060087204 - Stacked piezoelectric element and production method thereof: An object of the present invention is to provide a stacked piezoelectric element with excellent durability, which exhibits an excellent piezoelectric performance irrespective of containing or not containing Pb in the ceramic layer, ensures sufficiently suppressed segregation of the electrically conducting base metal material in the ceramic layer and allows...

20060087205 - Piezoelectric resonator element, piezoelectric device and gyro sensor: A piezoelectric resonator element, comprises: a base made of a piezoelectric material; at least a pair of resonating arms provided in a unified manner with the base and extending in parallel with each other from the base; a portion defining a long groove provided to each of the resonating arms...

20060087206 - Tuning-fork-type piezoelectric vibrating reed and tuning-fork-type piezoelectric vibrator: A tuning-fork-type piezoelectric resonator element and a tuning-fork-type piezoelectric resonator are provided. The tuning-fork-type piezoelectric resonator element comprises a piezoelectric resonator element body including base and resonating arms extending from one end of base. A support includes a short side connected to the base and a long side extending from...

20060082225 - Linear motor, moving stage system, exposure apparatus, and device manufacturing method: A linear motor includes a coil and a plurality of magnets disposed along a central axis of the coil. The magnetization directions of the plurality of magnets have different tilts with respect to the central axis....

20060082226 - Magnetic linear drive: The invention relates to a magnetic linear drive comprising a base. A first displaceable part can be displaced in relation to the base. A second displaceable part is mounted on the first displaceable part. Both the first displaceable part and the second the second displaceable part can be displaced along...

20060082227 - Electromagnetic drive device: An electromagnetic drive device comprises a drive part (10) arranged to be reciprocated in the stroke direction (H) and possessing a circular or oval cross section, said drive part having a permanent magnet arrangement magnetized athwart the stroke direction (H), such arrangement possessing at least one pair of oppositely magnetized...

20060082228 - Multilayer radiation shield: A power generation system including: a generator including a rotor including a superconductive rotor coil coupled to a rotatable shaft; a first prime mover drivingly coupled to the rotatable shaft; and a thermal radiation shield, partially surrounding the rotor coil, comprising at least a first sheet and a second sheet...

20060082229 - High magnetic reluctance motor assembly: A motor assembly in which magnetic attraction between the magnets and the base of the motor is reduced by providing increased magnetic reluctance. This is achieved without the need to increase the overall height of the motor assembly, thus making the motor assembly particularly suitable for use in applications with...

20060082230 - Modular end bell construction for a submersible motor unit: An end-wall unit for a submersible motor unit and a submersible motor unit for use in driving a pump including a housing that extends along a longitudinal axis and defines an interior chamber, a stator at least partially enclosed by said housing within a stator chamber, a rotor rotatably supported...

20060082231 - Vibration generator and electronic apparatus: There is provided a vibration generator (40) in which a rotor with an unbalancer is rotated. The vibration generator includes a bottom plate (47) having a flat coil substrate (120) installed thereto, a stationary shaft (91) provided perpendicularly to the bottom plate, a magnet (85) installed on the stationary shaft...

20060082232 - Drive unit: A driving unit especially adapted to adjusting devices for motor vehicles having an electric motor, a gear box and an electronic control device. At least one element of the electric motor, for example, at the driving shaft, the magnetic short-circuit or the motor side crankcase casing, additionally provides a gear...

20060082233 - Automotive alternator having water shield for protecting brushes from water damage: An automotive alternator according to the present invention includes a rotary shaft, slip rings, a brush holder, brushes, a cover, a seal member, a cooling air flow path, and a water shield. The slip rings are fixed to an end portion of the rotary shaft. The brushes are accommodated in...

20060082234 - Motor: A pump apparatus includes a motor unit and a pump unit. The motor unit includes a cylindrical yoke housing and a rotor accommodated in the yoke housing. A rotary shaft of the rotor is supported by a first bearing and a second bearing. In a direction from a bottom wall...

20060082235 - System for transmitting motion between means separated by a wall: A system for transmitting motion between means separated by a partition wall has power means operating a first magnetic disc facing the said partition wall. A second magnetic disc is situated opposite to the first magnetic disc and is separated therefrom by the partition wall. The second disc is connected...

20060082236 - Rotor for an electric motor: The invention relates to a rotor for an electric motor, particularly an electric line-start motor, comprising axially accommodating spaces (4 to 6) for conductor rods, and axially extending receiving spaces (10, 11) for permanent magnets (14, 15), which are-designed and located in such a way that they generate a permanent...

20060082238 - Brushless rotary electric machine having tandem rotary cores: A brushless rotary electric machine includes a stator having an annular armature core with first radial teeth at the outer periphery thereof and second radial teeth at the inner periphery thereof and an armature winding wound between the teeth, a rotor having a pair of first and second rotary cores...

20060082237 - Toroidal ac motor: A toroidal motor having a generally circular rotor surrounded by an annular stator is disclosed. The rotor has a plurality of poles disposed about a circumference thereof. A shaft extends axially away from the poles and is attached to the rotor. The stator is generally annular and includes an annular...

20060082239 - Axial gap electrical machine: An axial gap electrical machine employs unique architecture to (1) overcome critical limits in the air gap at high speeds, while maintaining high torque performance at low speeds, while synergistically providing a geometry that withstands meets critical force concentration within these machines, (2) provides arrangements for cooling said machines using...

20060082241 - Electric rotating machine having permanent magnets and method of manufacturing teeth portions of the stator iron core: An electric rotating machine having permanent magnets comprising a rotor having a plurality of permanent magnets, a stator iron core disposed in opposite relation with the rotor, and a stator winding wound around the stator core, wherein the stator core is constituted by a yoke and a plurality of teeth...

20060082240 - Stator laminated plates of an enclosed type motor: Stator laminated plates of an enclosed type motor are made of a preset number of laminated plates. Each laminated plate is composed of a main plate and two coupling plates. Each main plate is punched with a rotor inner hole, and two wing members extends from the two sides of...

20060082242 - Stator arrangement for an electric machine and an electric motor: A stator arrangement for an electric machine comprising a stator body having a number of stator teeth between which stator slots to receive stator windings are formed, and having an insulating layer that is applied to the stator teeth at least in the region of the stator slots in which...

20060082243 - Hydrodynamic slip ring: A slip ring assembly for transferring electrical current to an electrical device is disclosed. The slip ring assembly has a housing that is attachable to the electrical device. Disposed within the housing is a rotatable slip ring and a flexible conductor. The flexible conductor is configured to conform to the...

20060082244 - Commutator for an electrical machine: A commutator for an electrical machine, in particular for an electric motor for actuating drives in motor vehicles, has a commutator body that supports commutator laminations. To reduce the electromagnetic radiation, emitted into the environment as interfering radiation, that is engendered by spark development in the commutation operation, the commutator...

20060082246 - Geared motor and method for the assembly of the geared motor: A geared motor includes a control board for controlling the geared motor and a brush holder in electrical contact with the control board. The brush holder locks the control board in the geared motor. The assembly of the geared motor is facilitated, reducing the assembly costs....

20060082245 - Segmented brush tube structure for acoustic energy dissipation: A brush tube structure 10 is provided for holding a brush 14 of a motor. The brush tube structure includes a base 15 and a plurality of fingers 12 extending from the base in a cantilevered manner and in direction of travel of the brush. The fingers are constructed and...

20060082247 - Rotor hub, spindle motor, and recording disk driving apparatus: A spindle motor according to an embodiment of the invention includes a rotor hub formed of a ferromagnetic material and a rotor magnet held by the rotor hub. The rotor hub has a flange having a shield surface that faces an upper end surface of the rotor magnet via a...

20060082248 - Method for cooling a transverse flow synchronous machine and transverse flow synchronous machine: A method and apparatus for cooling a transverse flow synchronous machine is provided which uses a coolant that is entrained by the rotor rotation during operation of the synchronous machine and is sprayed into the intermediate spaces between the plurality of stepped elements along the surface of the outer stator...

20060082249 - Machine with a coolable winding arranged in a winding support and with a torque transmitting device: The machine comprises a rotor with a winding for cooling, which is in particular superconducting, in a winding support. A device with a composite body made of fibre-reinforced plastic is provided, for retention of the winding support within a rotor outer housing, on a torque transmitting side. The composite body...

20060082251 - Bi-directional actuator utilizing both attractive and repulsive electrostatic forces: An electrostatic actuator comprising: first and second comb arrays of electrodes arranged on a base, the electrodes of the first and second comb arrays being interleaved; a third comb array of electrodes spring mounted over the first and second comb arrays, the electrodes of the third comb array being essentially...

20060082250 - Biaxial actuator and method of manufacturing the same: Provided are a biaxial actuator and a method of manufacturing the same. The biaxial actuator includes: a stage unit seesawing in a first direction; a first support unit supporting the stage unit; a stage unit driving unit including first driving comb electrodes outwardly extending from opposite sides of the stage...

20060082252 - Method for determining the position of a movable shut-off element of an injection valve: A method for determining the position of a movable shut-off element, in particular a valve needle, of an injection valve in a motor vehicle engine. The shut-off element is driven by means of a piezo element for the opening or closing of the injection valve. A voltage signal assigned to...

20060082254 - Control method of piezoelectric actuator, position control equipment, and disk device: A position control equipment has a piezoelectric actuator, a power supply for applying voltage to the piezoelectric actuator, a position control unit, and a reverse low voltage control unit. The position control unit identifies a position control state where position control is performed by displacing the piezoelectric actuator and a...

20060082253 - Driving apparatus: A determination is made whether a moving speed of a slider section with respect to a rod section in a piezoelectric actuator is lower than a predetermined speed. When the moving speed is lower than the predetermined speed, it is considered that a friction-bonded portion between the rod section and...

20060082255 - Sensing circuit for vibration type of angular rate sensor: A sensing circuit for a vibration type of angular rate sensor comprises a vibrator, driving unit, follow-up signal forming unit, normal voltage-range setting unit, and determining unit, The driving unit drives the vibrator to vibrate at a predetermined amplitude by using, as a feedback signal, an error voltage signal in...

20060082256 - Forming piezoelectric actuators: Microelectromechanical systems with structures having piezoelectric actuators are described. The structures each have a body that supports piezoelectric islands. The piezoelectric islands have a first surface and a second opposite surface. The piezoelectric islands can be formed, in part, by forming cuts into a thick layer of piezoelectric material, attaching...

20060082257 - Forming piezoelectric actuators: Microelectromechanical systems with structures having piezoelectric actuators are described. The structures each have a body that supports piezoelectric islands. The piezoelectric islands have a first surface and a second opposite surface. The piezoelectric islands can be formed, in part, by forming cuts into a thick layer of piezoelectric material, attaching...

20060082258 - Piezoelectric generator for sensors inside vehicle tyres: A system for generating electrical energy in a tyre for a vehicle includes at least one coaxial piezoelectric cable that generates electrical energy when deformed. The at least one coaxial piezoelectric cable is associated with the tyre. And the at least one coaxial piezoelectric cable extends along at least a...

20060082259 - Method and device for ensuring transducer bond line thickness: An apparatus and method for producing a substantially uniform bond line thickness by utilizing a crosshatch, grid pattern, or spacers of like patterns in a receptacle of a transducer housing. Certain embodiments include a housing configured to retain a transducer. The housing includes an annular wall and a receptacle adjacent...

20060082260 - Piezoelectic device: A piezoelectric device including an IC chip mounted on an inner bottom surface of a package, and a piezoelectric vibrating reed electrically and mechanically connected onto a TAB tape in which a lead is provided on a surface of a resin tape. The TAB tape to which the piezoelectric vibrating...

20060082261 - Piezoelectric resonator element and piezoelectric device: A piezoelectric resonator element including: a base formed of a piezoelectric material and having a given length; a plurality of vibration arms extending from one part of the base; and a supporting arm extending from another part of the base spaced apart from the one part of the base by...

20060076839 - Linear motor: In a linear motor having permanent magnets placed on a slider, the slider has slider blocks disposed in such a manner that relative positions between front ends of the slider blocks in a slider moving direction and salient poles of two stators opposing the slider blocks is shifted by approximately...

20060076840 - Overheat preventing apparatus for electric motor: The present invention includes temperature transition estimating means 24, 25 for estimating a temperature transition of an electric motor 1 caused by the passage of electric current through the electric motor 1, an electric pump 8 as coolant supplying means for supplying a coolant to the electric motor, and coolant...

20060076841 - System for ventilating a motor: Certain exemplary embodiments comprise a system comprising: a motor stator comprising: a motor frame comprising a core shell adapted to surround a stator core comprising: a plurality of panels; a plurality of apertures located in one or more of said panels; and a first plurality of non-destructively removable plates adapted...

20060076842 - Motor rotor: A motor rotor includes a rotator provided with a plurality of heat radiating holes for passing air therethrough, and a plurality of blades for moving air during a rotation of the rotator, each of the blades being detachable from the rotator. Further, each of the blades is bent and has...

20060076843 - Isolated electric power generator by utilizing leaking magnetic flux: An isolated electric power generator by utilizing leaking magnetic flux i includes a ferromagnetic core, at least one coil winding the ferromagnetic core, at least one pair of output terminals, and an envelope enclosing the aforementioned parts. In the usage of the present invention, the present invention's power generator does...

20060076844 - Outer rotor type motor: An outer rotor type motor provides a rotor of an outer rotor type motor with an optimal and simple structure that can be assembled easily. A rotation shaft is supported in a bearing housing and a stator is formed of a field winding. A rotor disposed outside the stator to...

20060076847 - Outer rotor type motor: An outer rotor type motor includes a rotation shaft installed in a bearing housing; a stator formed of a field winding; a rotor disposed outside the stator to house the stator and having a yoke surface on which a permanent magnet for performing a magnetic interaction with the field winding...

20060076846 - Outer rotor type motor and drum type washing machine including same: An outer rotor type motor includes a rotor housing having a bottom portion and a sidewall upwardly extending from and an outer peripheral edge of the bottom portion, and a shaft bushing having a base and a hollow shaft-insertion portion provided at a center of the base. The base of...

20060076845 - Rotor of an outer-rotor type motor for use in a washing machine: A rotor of an outer-rotor type motor includes a rotor case made of a metal and provided with a base plate, an insert hole formed in a center portion of the base plate, a shaft bushing, for coupling a rotational axle and the rotor case, fixedly inserted into the insert...

20060076848 - Commutator housing with an overcurrent protection device: A commutator housing for a direct-current motor includes conductive tracks and two Lyre-shaped connectors each inserted in one of the conductive tracks. An overcurrent protection device is inserted in series in the conductive tracks, and electrical connection pins of the overcurrent protection device are fitted into and retained between rods...

20060076849 - Supporting device: Disclosed herein is a support device for supporting an article on a structure, the support device comprising an elongate body having a support head portion located at one end thereof, the support head portion including a head and a shoulder flange, the head and shoulder flange being separated by a...

20060076852 - Electroacoustic component and method for the production thereof: An electroacoustic component including a layer system disposed between two substrates and electroacoustic structures for exciting a guided bulk acoustic wave, the electroacoustic structures being devoid of cavities. The layer system includes a piezo-electric layer, at least one metal layer, and a planarizing layer, which includes a planar interface provided...

20060076850 - Surface acoustic wave device and its fabrication method: A thin film layered surface acoustic wave device includes a substrate, a GaN piezoelectric film, an AlN piezoelectric film and interdigital transducer electrodes. The GaN piezoelectric film is deposited on the substrate by chemical vapor deposition (CVD) or physical vapor deposition (PVD) method. Then the AlN piezoelectric film is deposited...

20060076851 - Surface acoustic wave element and method of manufacturing the same: A surface acoustic wave element having power resistance is provided. In the surface acoustic wave element, upper dispersion preventing layers and side dispersion preventing layers each made of metal nitride are provided between interdigital transducer electrode portions and an insulating layer. Further, lower dispersion preventing layers made of metal nitride...

20060076853 - Drive circuit for piezo ceramic device: A control circuit for controlling the operation of a piezo ceramic actuator comprising means for applying a voltage to the piezo ceramic actuator, the means arranged such that a linear charge is applied to the piezo ceramic device (10) which in turn produces a linear displacement of the piezo ceramic...

20060076854 - Sound of ultrasound sensor: A sound or ultrasound sensor having a radiation characteristic with a preferably small beam angle and producing very little interference signals, including a pot-shaped housing closed at its bottom end by a floor, a piezoelectric element for producing and/or receiving sound or ultrasound through the floor, a matching layer between...

20060076855 - Method for making a pressure sensor: A pressure sensor including a movable component that is configured to move when the pressure sensor is exposed to differential pressure thereacross, and a pressure sensing component located on the movable component. The pressure sensing component includes an electrically conductive electron gas which changes its electrical resistance thereacross upon movement...

20060071560 - Solenoid arrangement: A solenoid arrangement has at least one excitation coil and an armature arranged concentrically relative to the excitation coil and axially movable when the at least one excitation coil is supplied with current. A magnetizable cup-shaped housing part open at a first axial side is provided, wherein the at least...

20060071561 - Electromagnetic power device: An electromagnetic power device includes a base forming a guide section, a stator on which an electromagnet is mounted, a mover that is guided by the guide section to reciprocally and linearly move and carrying a permanent magnet, a crankshaft to which the mover is coupled by a link, and...

20060071562 - Hybrid type double three-phase electric rotating machine: A stator core having twelve stator poles, coils wound around the stator poles, and a hybrid type rotor are included. The stator poles inwardly and radially extended from an annular yoke portion. Each of the respective stator poles has inductors of the same number. The coils are connected so that...

20060071563 - Brushless motor: A compact, highly accurate and inexpensive brushless motor is disclosed. A bearing is fixed to the inner periphery of a cylindrical portion of a housing, and a shaft is rotatably inserted through the bearing to cover the housing. A yoke arranged at the forward end of the cylindrical portion of...

20060071564 - Apparatus and methods of retaining a stator within a housing of an electric machine: An electric machine includes a housing defining a stop therein and an end shield coupled to the housing. The machine also includes a non-segmented stator or a segmented stator. In either case, the stator is captured between the end shield and the stop within the housing. The stator includes a...

20060071565 - Electric machines and methods related to assembling electric machines: An electric machine includes a housing, an end shield, a stator, and a rotor assembly. The end shield can define at least one pin, and the stator can define at least one track. The stator can be positioned on the end shield such that the pin is received within the...

20060071566 - Motor: A motor includes a stator including a rim portion and a central portion, with the rim portion including through holes and the center portion including a through opening. A rotor installed in the through opening of the stator includes at least one rotational shaft extending from a rotating center of...

20060071567 - Plastic molded motor housing: A housing assembly 30 is provided for a permanent magnet motor. The housing assembly includes a ferrous flux ring structure 38 having an exterior 39 and an interior 36. Magnet structure 34 is carried within the interior of the flux ring structure 38. A plastic housing 32 substantially encapsulates the...

20060071568 - Permanent magnet type electric rotating machine and wind turbine electric power generation system: A permanent magnet type electric rotating machine comprises a stator having a distributed winding and a permanent magnet rotor, wherein the permanent magnet rotor is provided with a wind passage in an axial direction thereof....

20060071569 - Stator end caps and methods for positioning the lead and exit ends of the stator windings: An electric machine includes a segmented or non-segmented stator and an end shield defining at least one opening therein. The machine also includes at least one winding having a lead end and an exit end, and at least one end cap coupled to the stator. The end cap defines first...

20060071571 - Device and method for manufacturing a stator of an electrical machine: A component for an electrical machine has a body having a T-shaped cross section including rib and a head, and a front side located diametrically opposite to the head and oriented parallel to the latter, and also provided with a front recess which is substantially symmetrical around an axis of...

20060071570 - Generator rotor slot armors and related method: Slot armor for a generator rotor comprising a pair of L-shaped components each having height, width and thickness dimensions determined by a space between a field winding and an adjacent wall of a radial slot in the rotor, the L-shaped components constructed of a powder-coated metal....

20060071573 - Rotary electro-dynamic machine and armature winding thereof: Sub core sections are arranged at the end portions and the center portion of a stator core, and strand conductors are twisted and transposed by 360 degrees continuously toward the extending direction of winding slot. The length corresponding to transposition pitch 180 degrees of the strand conductors of the stator...

20060071572 - Stator of an electrical machine: A stator of an electrical motor has a polygonal border, a rotor opening, a plurality of channels arranged on a periphery of the rotor opening and having distances from a side defined by a shortest distance between a base of a respective one of the channels and the border, and...

20060071574 - End shields and stators and related methods of assembly: An electric machine includes an end shield and a stator. The stator may be a segmented stator or a non-segmented stator. At least one track is defined by either the stator or the end shield, and at least one pin is defined by the other one of the stator and...

20060071575 - Electrical machine with double-sided stator: Machines useful for wind turbine and ship propulsion purposes include a wind turbine generator or a ship propulsion motor with two concentric air gaps. In one embodiment, the machine includes a rotor with an inner rotor core and an outer rotor core; and a double-sided stator with an inner stator...

20060071576 - Flat board type brushless dc motor: A flat board type brushless DC motor is invented comprising a stator core having a laminated flat core structure of a ring type which is slotted a constant distance slot for installing the teeth core and winding the exciting coil on the inner or outer circumference of a stator core...

20060071577 - Magnetic structure and motor employing said magnetic structure, and driver comprising said motor: Provided is a small motor superior in weight/torque balance. A phase stator 10 and B phase stator 12 are disposed to face each other. A rotor is interpositioned between these stators. Electromagnetic coils @ are provided to the stators evenly in the circumferential direction. A permanent magnet is provided to...

20060071578 - Micromechanical element having adjustable resonant frequency: A micromechanical element described includes a vibrating system having a vibrating body and an elastic suspension by means of which the vibrating body is suspended to be able to vibrate, and an adjuster for adjusting a resonant frequency of the vibrating system by applying a voltage difference between at least...

20060071579 - Elastic boundary wave device: A boundary acoustic wave device includes a dielectric substance that is laminated on one surface of a piezoelectric substance, an IDT and reflectors used as electrodes are disposed at a boundary between the piezoelectric substance and the dielectric substance, and the thicknesses of the electrodes are set such that the...

20060071580 - Ultrasonic transducer and manufacturing method thereof: An ultrasonic transducer comprises: a piezoelectric member which is provided with electrodes on both plane portions and which is fixed and disposed such that part of an acoustic matching layer protrudes at a predetermined position of the hard layer which makes up the acoustic matching layer; and a substrate which...