Matches 1 - 43 out of 43
Match Document Document Title
7355311 Rotor of axial gap motor and method of producing same  
A rotor of an axial gap motor has a circular rotor core. A circular frame member is put on one axial face of the circular rotor core. The frame member has a plurality of magnet receiving recesses...
6946766 Permanent magnet machine  
An interior permanent magnet machine including a rotor stack defining at least two adjacent magnet retention slots and a plurality of permanent magnets positioned within the interior of the rotor,...
6940200 Electric drive  
The invention refers to magnetoelectric machines and comprises a rotor made in the form of at least two disks, the magnetized disks have circumferential arrayed like poles and an axially magnetized...
6833647 Discoid machine  
The present invention relates to a discoid machine having a rotor and a stator placed facing each other along the axis of rotation of the rotor. The machine is synchronous and has at least two...
6727632 Flat rotary electric machine  
A flat rotary electric machine to be mounted in a vehicle engine includes an annular stator core with a plurality of teeth and an armature winding and a field unit including a gutter-like field...
6724115 High electrical and mechanical response structure of motor-generator  
An AC motor-generator includes a rotor made up of a first inductor core and a second inductor core arrayed in an axial direction of a rotary shaft. A plurality of permanent magnets are arrayed at...
6707208 Flux diode motor  
An electric motor utilizing permanent magnets, wherein the permanent magnets produce a flux circuit in a first direction and shunt elements whereby the magnets and shunt elements rotate relative to...
6707207 High bandwidth track following actuator for hard disk drives  
A motor for incorporation in an actuator pivot includes a coil disk, an upper magnet-yoke disk, and a lower magnet-yoke disk. The coil disk is attached to the pivot shaft to form a shaft-coil...
6700781 Heat-dissipating module for removing heat generated from heat-generating device  
A heat-dissipating module includes a lower housing, a first magnet portion, a second magnet portion and a circuit board. The lower housing is made of a highly thermal conductive material. The upper...
6664692 Electrical machine  
A slow moving electrical machine includes an annular set of windings on iron cores of laminated sheets or pressed iron powder, and a corresponding annular set of permanent magnets, the windings...
6590312 Rotary electric machine having a permanent magnet stator and permanent magnet rotor  
A rotary electric machine for a hybrid vehicle includes a rotor connected between a vehicle engine and a torque transmission mechanism at the back of the vehicle engine and a stator. The rotor...
6515390 Electric drive apparatus with a rotor having two magnetizied disks  
The invention refers to magnetoelectric machines. It can be used when manufacturing different-purpose electric drives—for instance, in fans, compressors, electromobile's wheels, and so forth. It...
6455969 Multiple layer double rotor single stator skew symmetry permanent magnet rotating motor  
A single-stator-double-rotor rotating motor has one upper-layer rotor, one intermediate-layer armature and one lower-layer rotor. The upper-layer rotor and lower-layer rotor are embedded with the...
6445105 Axial flux machine and method of fabrication  
An axial flux machine includes a rotatable shaft; at least one rotor disk coupled to the rotatable shaft; at least one permanent magnet supported by the at least one rotor disk; at least one stator...
6232696 Vacuum generating apparatus with multiple rotors  
A vacuum generating apparatus for a vacuum cleaner is provided, in which an axial type coreless brushless direct-current (DC) motor is implemented in the form of a rotor-impeller integration...
6232690 Electronically commutated DC  
A DC motor has a housing having an air gap and a stator coil is positioned in the air gap. First and second permanent magnet rotors are coaxially arranged to one another in the housing on opposite...
6124649 Micro-generator module and clockwork movement containing such a micro-generator  
Micro-generator for a clockwork movement. It contains a rotor provided with two disks and a stator with three coils connected in series. Each disk is provided with six permanent magnets with...
6100620 High frequency synchronous rotary electrical machine  
A synchronous rotary electrical machine. According to the first aspect of the present invention, the electrical phase difference between the stator teeth and the nearest rotor teeth is a stepwise...
6011337 Double-sided, non-iron core, brushless, axial magnetic field permanent-magnet type DC motor  
A double-sided, non-iron core, brushless, axial magnetic field permanent-magnet type DC motor includes a shaft, two electromagnet units parallelly mounted on the shaft, and a permanent magnet unit...
5982058 Two-phase stepper motor  
A two-phase electro-mechanical stepper motor having 1) a high ratio of torque per mass and torque per power draw, to be able to develop required rotating torque, 2) a magnetic circuit that allows...
5962943 Axial gap dynamoelectric machine  
Lack of axial compactness in a dynamoelectric machine is avoided in an axial gap dynamoelectric machine including a disc (62, 66) rotatable about an axis (56) and adapted to be coupled to a shaft...
5874796 Permanent magnet D.C. motor having a radially-disposed working flux gap  
A P.M. d.c. motor which may utilize "brushless" commutation. The motor includes a stator assembly with a plurality of upstanding discrete spaced-apart core components formed in a circular locus...
5625241 Carousel electric generator  
A permanent magnet generator or motor having stationary coils positioned in a circle, a rotor on which are mounted permanent magnets grouped in sectors and positioned to move adjacent said coils,...
5440185 Composite magnet brushless DC motor  
The brushless DC motor comprises at least one multi-pole composite magnet which functions as a rotor, at least one stator member which determines the angular position of this rotor, means for...
5337030 Permanent magnet brushless torque actuator  
A permanent magnet brushless torque actuator is comprised of an electromagnetic core capable of generating an elongated toroidally shaped magnet flux field when energized. Outside the generally...
5289069 Brushless motor  
A brushless motor comprises a rotor which is rotatable on an axis of the brushless motor and which include permanent magnets arranged circumferentially thereon, an output member connected to the...
4698535 Electric motor operated throttle valve  
A disk-shaped and coreless type electric motor for controlling the tilt of a throttle valve. The motor includes a field magnet having at least one pair of N and S poles and a stator armature having...
4651041 Electric motor  
An electric motor for controlling the tilt of a throttle valve is disclosed. A rotatable field magnet having at least two pairs of N and S poles is mounted on a rotary shaft carrying the throttle...
4644207 Integrated dual pump system  
An integral combination of two motor pumps wherein two pumps 12, 14 are operated preferably from the motor shafts 41, 43 of a centrally located, pancake-type, d.c., brushless electric motor 10, the...
4644202 Sealed and balanced motor and fluid pump system  
A pancake, d.c., brushless electric motor 10 and pump 32 in which the rotating parts of the pump 32 are integral with the rotor 18 of the motor 10. The motor and pump housing is hermetically sealed...
4536672 Flat type rotary electric machine  
A flat type rotary electric machine has a flat stator armature coil and two rotors having magnets disposed in opposite relationship to the coil. The flat coil is formed by an annular carrier member...
4451749 AC Generator  
An AC generator includes a pair of cup-shaped housings to accomodate a stationary armature coil and a rotor. The armature coil includes a multiphase windings formed in a flat annular shape having...
4437061 Speed detector for sewing machines  
A speed detector comprises a rotary shaft for rotation with a sewing machine, a ring-shaped permanent magnet uniformly magnetized in a direction parallel to the axis of the rotary shaft, at least...
3973153 Rotor for an electronically controlled micromotor  
A rotor for a micromotor with electronic control comprising an axle on which are mounted two plates of ferro-magnetic material at least one of which carries permanent magnets, all the permanent...
3953751 Motor and mounting thereof  
There is provided a support structure for a motor. The motor includes a stator and a rotor. The Stator is comprised of a generally plate-shaped winding arrangement including a generally...
3840761 AXIAL AIR GAP, COLLECTOR-LESS D-C MOTOR  
A stator structure, for example an insulating board, has at least one, preferably two or more flat coils located thereon, transverse to the axis of the motor. An axially magnetized, permanent...
3831071 BRUSHLESS DIRECT CURRENT MOTOR & CONTROL THEREFOR  
A brushless direct current motor is formed with a rotor having a magnetic construction in which the direction of magnetic flux is parallel to the rotary axis of the motor. At least one magnetic...
3482131 POLYPHASE ALTERNATOR WINDING ARRANGEMENT  
3320454 Alternating current generator  
3215876 Generator units including provision for generating from flux leakage  
3196302 Sealed electric motor  
3184623 Miniature electric motor  
3168664 Sealed electric motor  
Matches 1 - 43 out of 43