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6515386 Motor construction unit for a submersible pump unit  
The motor construction unit is provided for a submersible pump unit and comprises an electric motor with a frequency converter connected in series which are arranged in a common housing casing...
6512320 Direct current brushless motor structure that can be started easily  
A direct current brushless motor structure that can be started easily, includes a stator provided with a plurality of pole plates. Each pole plate has a pole face. Each pole face is located on the...
6512315 Brushless motor having turntable  
A brushless motor having a turntable including a rotor in which a turntable is integrally formed on the outer side of a rotor case and a magnet is arranged on the inner side thereof, a shaft for...
6509666 Motor structure  
A motor structure including a stator having a coil assembly, and a rotor having a circular magnet located above the coil. The stator includes a coil assembly having a ring-shaped slot, a plurality...
6507135 Axial ventilator with external-rotor drive motor  
An axial ventilator has an external-rotor drive motor having an external rotor with a rotor shaft and an internal stator, wherein the external rotor rotates about the internal stator during...
6499558 Modular motor and controller assembly for rear-wheel steering system  
A modular motor and controller assembly for a rear steering system of a motor vehicle includes a motor portion and a controller portion disposed in direct mechanical communication therewith to form...
6492752 AC generator for vehicle  
An AC generator for a vehicle has a cover and a connector to be connected with an end connector from a vehicle mounted circuit. The connector and the end connector have a lock mechanism using a...
6492750 Automatic equalizer  
A cylindrical case provided with a chamber is coaxially attached to a rotary shaft of a motor. A plurality of balancers are movably provided within the chamber so as to cancel a rotation...
6490158 Motor start capacitor assembly  
A motor start capacitor assembly for providing an enclosure for a motor start capacitor and a thermistor electrically connected in series. The enclosure is constructed of a low temperature plastic...
6484389 Apparatus for pilotless self-centering installation of a starter-alternator  
An installation and support apparatus or assembly 18 is provided for use in combination with an electric machine 10 , such as a starter-alternator, which is adapted to be operatively installed...
6486578 Spindle motor and disk unit  
A spindle motor employed for a hard disk unit, including a hub having an outer peripheral wall portion provided with a rotor magnet on its outer peripheral surface and formed so as to be able to...
6483214 Spindle motor for driving hard disk drives with sealing contacting system for the stator winding terminal  
The present invention concerns a sealing contacting system for the stator windings of spindle motors, which are provided for installation in the base plate of hard disk drives. The present...
6483219 Electric motor  
A DC machine for use as a DC motor ( 10 ) or generator, comprising an outer casing ( 100 ), and a rotor ( 200 ) comprising a central shaft ( 220 ) and at least one cylindrical permanent magnet (...
6479957 Integral motor and control  
An energy efficient low-power integral electronically commutated fan motor and control circuit assembly mounted on a circuit board for use in refrigerators utilizing a Hall sensor to provide...
6479914 Vibration motor having an eccentric weight and device including the same motor  
A motor includes a stator and a rotor facing the stator. The rotor has a magnet and an eccentric weight. The magnet is magnetized in a rotational direction and produces driving magnetic field. The...
6465921 Assembling structure of a miniature vibration motor  
A assembling structure of a miniature vibration motor includes a seat plate provided with electronic elements, a sensor, and connecting points. A conducting line is provided between the sensor and...
6465919 Motor having resin-made motor base from which bottom face a metal terminal exposes its lower face, and device using the same motor  
A motor includes a rotor, a stator facing to the rotor, a motor-base-assembly for journaling the rotor and holding the stator. The motor-base-assembly is made of resin and includes a motor-base...
6462443 Brushless D.C. motors structure  
A brushless D.C. motor comprises a stator, a rotor, and a drive device. An axle tube is extended through the stator and includes a bearing mounted therein for rotatably holding a shaft of the...
6462441 Rotor assembly of brushless direct current motor  
A rotor assembly of a brushless direct current motor includes a body provided with a circuit board, a pole plate, a coil, and a shaft base. The shaft base is provided with a positioning hole having...
6455961 Motor with aligned magnetic centers  
A motor includes a stator core held on a core holder, the stator core includes a stacked magnetic body having a plurality of magnetic plates with the magnetic plates being piled up in an axial...
6454445 Self-illuminating pedal assembly  
A self-illuminating pedal assembly comprises a pedal axle, a pedal rotatably mounted around the pedal axle, a magnet securely mounted to the pedal axle, and a permanent-magnet coil securely mounted...
6455960 Direct drive roller motor  
A direct drive roller motor for use in a belt drive system includes a brushless DC motor that has an external rotor that functions as a direct drive roller. The motor has stator coils mounted on a...
6448675 Rotational balancing structure for an A.C. motor  
A rotational balancing structure for an A.C. motor comprises a casing having an axle seat for rotatably holding a shaft of a rotor. A balancing sheet and a stator are mounted in the casing. The...
6445096 Spindle motor  
This spindle motor has a base plate, a stator mounted on the base plate, a bearing provided on the base plate, a rotating shaft rotatably provided on the bearing, and a rotor fixed to the rotating...
6441530 D.C. PM motor with a stator core assembly formed of pressure shaped processed ferromagnetic particles  
A d.c. PM motor having a stator core assembly which is formed of a pressure shaped processed ferromagnetic particulate material. The low permeability characteristic of this material is accommodated...
6441519 Spindle motor for hard disks with cup-shaped sleeve  
This invention relates to a driving device, especially for hard disk drives, consisting of a stator, a rotor, an axis as well as corresponding bearings. The winding packet constituting the drive is...
6429553 Motor and electric power steering device  
In an electric motor comprising a cylindrical yoke having a side wall at one end portion thereof, a driver unit for controlling and driving the electric motor is contained at an end portion in the...
6420805 Brushless motor having transfer device  
A brushless motor having a transfer device includes a rotor in which a resin transfer device is disposed at one side of a rotor case, and a magnet is disposed at the other side of the case, a...
6407473 Positioning device for a sensor element of a miniature fan  
A positioning device includes an axle tube for engaging with a circuit board and a stator. The circuit board includes control elements and a sensor element thereon. Each pole of the stator includes...
6400053 Axle balance plates for D.C brushless motor  
A D.C brushless motor includes a housing, a circuit board, a balance plate, a stator, a rotor, and a magnetically non-inductive member. The housing includes a compartment, and a bottom wall that...
6400051 Motor rotor and outer shell mounting structure for ceiling fan  
A motor rotor and outer shell mounting structure for ceiling fan in which the outer shell has inner mounting blocks and outer recessed portions and through holes through the mounting blocks and the...
6400049 Cooling fan  
A cooling fan includes a circuit board fixedly mounted inside a housing around a shaft to hold a fixed winding assembly, a fan blade assembly coupled to the shaft of the housing, the fan blade...
6400054 Fixing structure for an axle tube of a motor  
A fixing structure for an axle tube of a motor comprises a support member including an assembly hole through which a relatively smaller outer diameter portion of an outer periphery of an end cap...
6396178 Wheel with a generator  
A wheel has two wheel halves, a generator, two bearings and two metal rings. The wheel halves are detachably connected to each other. The generator is composed of an annular coil seat and an...
6396186 Electromechanical battery design suitable for back-up power applications  
The windings that couple energy into and out of the rotor of an electro-mechanical battery are modified. The normal stator windings of the generator/motor have been replaced by two orthogonal sets...
6384495 Motor, method of manufacturing motor and rotary apparatus equipped with motor  
The problem is to provide a motor that a stator coil can be firmly supported with high rigidity and is less in vibration and noise, a method for manufacturing same and a rotary apparatus. A motor...
6380651 Brushless motor having resin bearing  
A brushless motor having a resin bearing including a rotor with an integral output device at one side of a rotor case and a magnet at the other side, a shaft supporting the rotor, a resin bearing...
6376946 D.C. brushless air fan with an annular oil trough  
An improved D.C. brushless air fan comprises a rotor, a stator and a casing. The rotor has vanes mounting to a spindle and has a juncture with an oil cap located at the juncture. The oil cap has an...
6369472 Device for acquiring operating parameters of an electric motor  
A device for acquiring operating parameters on electric motors with an arrangement that is influenced by an effect of at least one operating parameter of an electric motor. The arrangement is...
RE37638 Magnetic hard disk storage device  
In order to reduce the cost of producing an in-hub a magnetic hard disk storage device having a motor, which consists of a hub and the motor which is located in this hub and which contains...
6362931 Drive apparatus for hard disc memories with an integrated labyrinth seal  
A drive apparatus for hard disc memories with an integrated labyrinth seal and a motor to drive the rotor cap that has at least one hard memory disc fastened to it. Between a stationary shaft and...
6362551 Motor rotor and its manufacturing method  
A motor rotor and a method for making the motor rotor are disclosed. A rotor casing and a central shaft of the rotor are integrally formed. The central shaft is in a central position of the rotor...
6356408 Magnetic disk apparatus, including spindle motor having air flow passage in hub for pressure balance  
In a magnetic disk apparatus, the spindle motor is provided with a hole that penetrates the hub in the axial direction thereof. The hole permits fluid pressure on the outside and inside of the hub...
6346759 Stator structure of highspeed motor  
The present invention provides, at low cost, a stator structure of a high-performance motor, which gives off lower temperature rise, strives for a more highly efficient magnetic circuit, and...
6340854 Scanner motor  
A scanner motor of a laser beam printer capable of removing a bearing friction during a high-speed rotation thereof, thereby minimizing generation of noise and vibrations, while achieving an...
6339515 Fluid bearing seal and support structure  
A bearing structure for a spindle motor is disclosed. The bearing structure provides a fluid bearing seal and support structure that may simultaneously addresses the problems of preventing oil...
6339270 Motor for driving storage disks, and storage disk drive device provided therewith  
An axial-gap type storage disk drive motor and storage disk drive configuration is disclosed. The motor includes a stator around retaining cylinder retaining a support sleeve, a...
6339273 Small-size motor  
A shaft having a diameter A is press-fitted into the central hole of the boss. A tapered portion is formed around one end of the shaft, which is inserted to the center hole, such that a dimension...
6339275 Rotor, method for assembling rotor, and motor using the rotor  
A rotor includes a hollow rotor case having a cylindrical portion and flanges on ends of the cylindrical portion, an annular magnet fixed to the inner circumferential surface of the cylindrical...
6333576 Brushless motor for vehicle air conditioner  
A brushless motor for a vehicle air conditioner has a motor holder having an accommodation portion, a stator having a center piece fastened to a bottom of the accommodation portion and a core on...