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Class Information
Number: 310/268
Name: Electrical generator or motor structure > Dynamoelectric > Rotary > Rotor structure > Armatures > Disc
Description: Subject matter relating to disc type armatures.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Patent Number Title Of Patent Date Issued
5751085 Axial gap type electric motor with dynamic pressure air bearing May. 12, 1998
5747908 Motor including an apparatus for mounting a rotor and stator coil to a printed circuit board May. 5, 1998
5744888 Multiphase and multipole electrical machine Apr. 28, 1998
5744896 Interlocking segmented coil array Apr. 28, 1998
5739613 Flat three-phase reluctance type motor Apr. 14, 1998
5736800 Light weight, high performance radial actuator for magnetic bearing systems Apr. 7, 1998
5734217 Induction machine using ferromagnetic conducting material in rotor Mar. 31, 1998
5731649 Electric motor or generator Mar. 24, 1998
5731645 Integrated motor/generator/flywheel utilizing a solid steel rotor Mar. 24, 1998
5729065 Magnetic bearing cell with rotor and stator Mar. 17, 1998
5729067 Method and apparatus for closed loop position control in a linear motor system Mar. 17, 1998
5721461 Combined energy storage alternator and pulsed power alternator Feb. 24, 1998
5721460 Capstan motor Feb. 24, 1998
5719459 Electric motor for a steering mechanism Feb. 17, 1998
5719452 Hybrid-type stepping motor Feb. 17, 1998
5717266 High power oscillatory drive Feb. 10, 1998
5710476 Armature design for an axial-gap rotary electric machine Jan. 20, 1998
RE35702 Compact motor mount for information storage devices Dec. 30, 1997
5696419 High-efficiency electric power generator Dec. 9, 1997
5686769 Method of coil mounting for maximum heat transfer in brushless DC motors Nov. 11, 1997
5675206 Slim-line brushless motor Oct. 7, 1997
5670835 Cooling apparatus for an AC generator Sep. 23, 1997
5665944 Elevator machinery Sep. 9, 1997
5656880 Discoidal dynamo-electric machine Aug. 12, 1997
5648693 Disk driving motor with low noise lead wire arrangement for frequency generator Jul. 15, 1997
5646467 Axial airgap DC motor Jul. 8, 1997
5646464 Planar micro-motor with bifilar micro-coils Jul. 8, 1997
5644183 Flat electric motor having a stator formed from a folded stack of flat electrically insulating support elements with printed conductor windings Jul. 1, 1997
5637945 Brushless motor Jun. 10, 1997
5633545 Disk drive in-hub radial-gap spindle motor with coils generating axial fields May. 27, 1997
5631508 Cost-saving, small-sized motor with improved stability over wide speed range May. 20, 1997
5625241 Carousel electric generator Apr. 29, 1997
5619087 Axial-gap rotary-electric machine Apr. 8, 1997
5608281 Induction motor Mar. 4, 1997
5608278 Self-pumped fluid bearing with electromagnetic levitation such as for a light beam deflector Mar. 4, 1997
5592037 Analog display device with micro-motor drive means Jan. 7, 1997
5589722 Sheet coil motor and method of fabricating the same Dec. 31, 1996
5566785 Elevator drive machine placed in the counterweight Oct. 22, 1996
5541460 Passive magnetic bearings for a spindle motor Jul. 30, 1996
5541465 Electrostatic actuator Jul. 30, 1996
5510663 Electrodynamic device Apr. 23, 1996
5510664 Brushless motor Apr. 23, 1996
5498919 Flat core-less direct-current motor Mar. 12, 1996
5481149 Homopolar dynamoelectric machine Jan. 2, 1996
5455474 Magnetic motor construction Oct. 3, 1995
5453650 Face opposing type motor Sep. 26, 1995
5451825 Voltage homopolar machine Sep. 19, 1995
5440185 Composite magnet brushless DC motor Aug. 8, 1995
5434462 High-power electrical machinery Jul. 18, 1995
5426338 High-power electrical machinery with toroidal permanent magnets Jun. 20, 1995

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