Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
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
4661733 DC motor Apr. 28, 1987
4658166 Synchronous electric motor with disc-shaped permanent magnet rotor Apr. 14, 1987
4658162 Printed coil unit for small size actuator Apr. 14, 1987
4651041 Electric motor Mar. 17, 1987
4649399 Pen recorder Mar. 10, 1987
4644202 Sealed and balanced motor and fluid pump system Feb. 17, 1987
4639624 Torque motor having a coil with finite turning range Jan. 27, 1987
4639626 Permanent magnet variable reluctance generator Jan. 27, 1987
4639629 Brush-holder for flat-commutator electromechanical transducer Jan. 27, 1987
4638197 Magnetic flux shield and enhancer for brushless motors Jan. 20, 1987
4634912 Electromechanical transducer having a self-inductance cancelling coil assembly Jan. 6, 1987
4629948 Electric motor and tachometric generator unit Dec. 16, 1986
4629920 Alternating current synchronous servomotor Dec. 16, 1986
4626727 Flat, permanent magnet electric motor Dec. 2, 1986
4623812 Electric motor with thin rotor-damping layer Nov. 18, 1986
4618790 Axial air gap motor Oct. 21, 1986
4605873 Electromechanical machine Aug. 12, 1986
4605874 Brushless D.C. dynamoelectric machine having ferrite material magnetic circuit Aug. 12, 1986
4604540 Coreless motor, and a method for manufacturing the coreless motor Aug. 5, 1986
4603271 Fan motor Jul. 29, 1986
4594524 Coreless-brushless motor Jun. 10, 1986
4591750 Compact ring shaped brush motor May. 27, 1986
4578606 Brushless DC electric motor and tachogenerator assembly Mar. 25, 1986
4578610 Synchronous disk motor with amorphous metal stator and permanent magnet rotor and flywheel Mar. 25, 1986
4577130 Pancake motor with insitu wound bobbinless stator coils Mar. 18, 1986
4577126 Synchronous electric machine with superconductive field windings Mar. 18, 1986
4570093 Direct-current motor with two drive magnets Feb. 11, 1986
4568862 Commutatorless d.c. motor with electronic commutation Feb. 4, 1986
4568847 Collector-type D.C. machine with improved connections among collector segments and coils Feb. 4, 1986
4566864 Electric fan device for automotive vehicle Jan. 28, 1986
4560893 Electric motor Dec. 24, 1985
4553058 Low profile direct current motor Nov. 12, 1985
4540906 Stator assembly for permanent magnet rotary device Sep. 10, 1985
4539497 Electrical generator with ring housing mountable on a wheel assembly Sep. 3, 1985
4536668 Vehicle mountable electrical generating system Aug. 20, 1985
4536672 Flat type rotary electric machine Aug. 20, 1985
4520300 Brushless ultra-efficient regenerative servomechanism May. 28, 1985
4519010 Driving mechanism for magnetic hard disc memories May. 21, 1985
4518883 Electric motor with permanent magnet rotor May. 21, 1985
4517480 Tachogenerator for speed control of electric motors May. 14, 1985
4517478 Electric stepper motor May. 14, 1985
4514653 Commutatorless direct current machine Apr. 30, 1985
4510409 Heat insulation and heat dissipation construction for flat electric rotary machine Apr. 9, 1985
4507000 Character print wheel with drive elements Mar. 26, 1985
4503368 Permanent magnet type stepping motor Mar. 5, 1985
4501986 Ferromagnetic core disk armature with bar windings Feb. 26, 1985
4500806 Three-phase flat coils Feb. 19, 1985
4496867 Electric retarders for vehicles Jan. 29, 1985
4490637 Electrical machine with multi disc commutator Dec. 25, 1984
4490635 Pure torque, limited displacement transducer Dec. 25, 1984

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17










 
 
  Recently Added Patents
Method and apparatus for encoding and decoding video based on first sub-pixel unit and second sub-pixel unit
Technique for effectively providing program material in a cable television system
Method and device for accessing the documentation of an aircraft according to alarms generated therein
Autonomous primary-mirror synchronized reset
Semiconductor device, semiconductor device design method, semiconductor design apparatus, and program
Vehicles with electric motor
Scalable packet processing systems and methods
  Randomly Featured Patents
Apparatus and method for patching an instruction by providing a substitute instruction or instructions from an external memory responsive to detecting an opcode of the instruction
Method and device for the injection of CMP slurry
System and method for computer-assisted manual and automatic logging of time-based media
Image sensing device and packaging method thereof
Frame for sliding door and wall
Hypoallergenic stabilized aloe vera gel
Specially shaped balloon device for use in surgery and method of use
High zoom ratio zoom lens system
Shutter mechanism
Semiconductor memory having electrically erasable and programmable semiconductor memory cells