| Patents for H02K 7 - Arrangements for handling mechanical energy structurally associated with the machine, e.g. structural association with mechanical driving motor or auxiliary dynamo-electric machine (44,087) |
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| 09/29/1981 | US4292557 Motor with integral clutch |
| 09/29/1981 | CA1109915A1 High power density brushless dc motor |
| 09/23/1981 | EP0036379A1 Reducing electric motor drive for hand controlled roller blinds and shutters |
| 09/23/1981 | EP0036011A1 Electromagnetic motor |
| 09/22/1981 | US4291248 Electric motor |
| 09/16/1981 | EP0035717A2 Brake motor with axially displaceable rotor |
| 09/08/1981 | US4288710 Drive mechanism |
| 09/08/1981 | CA1108695A1 Pulsed excitation alternator |
| 08/25/1981 | US4286198 Direct current motor unit without commutator |
| 08/25/1981 | US4286187 Bearingless generator and rotary machine combination |
| 08/25/1981 | US4285552 Torquer apparatus for magnetically suspended members |
| 08/25/1981 | US4285279 Railway vehicle energy producing system |
| 08/19/1981 | EP0033847A2 Turbine set with a generator providing a constant-frequency mains supply |
| 08/12/1981 | EP0033693A1 Non-return device for a self-starting synchronous motor |
| 08/11/1981 | US4283645 Electrical drive motor, in particular for water pumps in the field of aquaria |
| 08/11/1981 | US4283633 Electro-pneumatic dynamo |
| 08/04/1981 | US4282443 Energy conversion apparatus |
| 07/21/1981 | US4280073 Electromagnetically released spring applied friction brake with torque booster |
| 07/14/1981 | US4278928 Electric generator arrangement |
| 07/07/1981 | US4277734 Electric brake motor |
| 07/07/1981 | US4277706 Actuator for heart pump |
| 06/30/1981 | US4276482 Line flow electric power generator |
| 06/23/1981 | US4275311 Control and protection system for an installation for the combined production of electrical and thermal energy |
| 06/17/1981 | EP0030357A2 Wind power wheel current generator |
| 06/16/1981 | US4274023 Compact variable speed drive for electric motor |
| 06/16/1981 | US4273334 Reel mechanism for use in a playing device |
| 06/16/1981 | CA1103298A1 Electric motor with discrete rotor position and speed sensors |
| 06/11/1981 | WO1981001633A1 Motor system |
| 06/03/1981 | EP0029606A1 Clutch motor arrangement |
| 06/02/1981 | US4271368 Rotor assembly having shroud with replaceable knock-outs |
| 06/02/1981 | US4270411 Washing machine drive assembly |
| 05/26/1981 | US4270063 Motor having adapted shaft and shaft adapter |
| 05/26/1981 | US4270054 Power plant |
| 05/19/1981 | US4268769 Motor for rotary brush |
| 05/14/1981 | WO1981001318A1 Device for transmitting power from a motor to a compressor |
| 05/12/1981 | CA1100885A1 Record player with direct drive turntable |
| 05/12/1981 | CA1100770A1 Retractable shaft structure |
| 05/06/1981 | EP0028206A1 Portable power supply unit |
| 05/05/1981 | US4265347 Clutch mechanism for power driven hand tools |
| 04/08/1981 | EP0026584A1 Improvements in and relating to turbo electric generators |
| 04/07/1981 | US4260918 Explosion proof submersible gearmotor |
| 04/07/1981 | US4260915 Permanent magnet step motor with a shiftable rotor |
| 04/07/1981 | US4260340 Electric pump, particularly for windscreen washers |
| 04/07/1981 | US4259809 Rotating unit |
| 03/31/1981 | US4259604 DC rotary machine |
| 03/31/1981 | US4259603 Electric motor |
| 03/19/1981 | WO1981000794A1 Electromagnetic motor |
| 03/18/1981 | EP0025333A1 Motor speed control system and a food mixer incorporating such system |
| 03/10/1981 | US4255063 Electromagnetic line spacing device |
| 03/10/1981 | US4254720 Electromechanical actuator applied to an electronically controlled sewing machine |
| 02/24/1981 | US4253031 Directly driven dynamo electric machine-gas turbine generator structure |
| 02/24/1981 | US4252506 Variable capacity compressor |
| 02/24/1981 | US4252035 Integrated drive-generator system |
| 02/17/1981 | CA1095986A1 Wind operated generator |
| 02/10/1981 | US4250420 Sandwich structure for a combination motor and gear train with a timing mechanism |
| 02/10/1981 | US4250395 Device for generating electricity by pedestrian and vehicular traffic |
| 02/03/1981 | US4249096 Electrical dynamo |
| 02/03/1981 | CA1094924A1 Rotating machine |
| 01/27/1981 | US4247785 Freeway power generator |
| 01/27/1981 | US4247265 Centrifugal pump for small throughputs, particularly for water circulation in aquariums and the like |
| 01/27/1981 | CA1094520A1 Variable capacity compressor |
| 01/20/1981 | US4246490 Rotating nozzle generator |
| 01/20/1981 | US4245640 Chest motion electricity generating device |
| 01/14/1981 | EP0022222A1 A portable power tool having an electric motor with a rotatable armature shaft, and a tachometric generator |
| 01/13/1981 | US4244099 Method of making an electric rotating machine |
| 12/30/1980 | US4242617 Electric vehicle having dynamic braking and regeneration |
| 12/30/1980 | US4242591 Orbitally rotating piston engine |
| 12/24/1980 | WO1980002894A1 Device for generating electricity by pedestrian and vehicular traffic |
| 12/16/1980 | US4239976 Floating electric generator using the driving energy of water |
| 12/16/1980 | US4239974 Electrical power generating system |
| 12/16/1980 | US4239462 Heat barrier for motor-pump aggregates |
| 12/16/1980 | US4239237 Turntable drive system for video disc player |
| 12/10/1980 | EP0020178A1 Rotational speed detector |
| 12/10/1980 | EP0020066A1 Starter motor |
| 12/09/1980 | US4238687 Highway turbine |
| 12/09/1980 | US4237742 Electrically controllable setting device |
| 12/09/1980 | CA1091283A1 Magnetically suspended rotary bodies |
| 12/02/1980 | US4237394 Frequency generator and miniature motor provided with the same |
| 11/18/1980 | US4234255 Combined motor means and rotational cell |
| 11/12/1980 | EP0018455A1 Apparatus for supplying high power electric loads operated in a pulse-like manner, and method for carrying out fluoroscopy |
| 11/11/1980 | US4233531 Assembling and energizing compact motors |
| 11/11/1980 | US4233521 Electric inertia-type starter device for a heat engine |
| 11/04/1980 | CA1088986A1 Drive motor mounting base for a gear motor having a c- faced reducer |
| 10/29/1980 | EP0017724A1 Energy accumulator using a flywheel and its application |
| 10/21/1980 | US4228794 Massager with dumbbell-shaped housing |
| 10/15/1980 | EP0017344A1 A direct drive high speed ultracentrifuge |
| 10/14/1980 | US4228385 Speed-regulated positioning drive |
| 10/14/1980 | US4228373 Electromagnetic motor |
| 10/14/1980 | CA1087671A1 Permanent magnet generator |
| 10/07/1980 | US4227142 Pulsed excitation alternator |
| 10/07/1980 | US4227104 Electric motor drive unit |
| 10/07/1980 | US4227092 Hand cranked electrical power source |
| 10/07/1980 | US4226359 Direct drive high speed ultracentrifuge |
| 10/01/1980 | EP0016572A1 Drive system of an ultracentrifuge operating in a vacuum environment |
| 09/30/1980 | US4225798 Permanent magnet motor |
| 09/30/1980 | CA1086842A1 Device for damping the critical frequencies of a rotor suspended by a radial electromagnetic bearing |
| 09/30/1980 | CA1086820A1 Alternating current power generating system |
| 09/16/1980 | US4223240 Flywheel set for accumulating kinetic energy of rotation |
| 09/16/1980 | US4222512 Device for controlling rotary motion |
| 09/16/1980 | US4222471 Clutch and brake arrangements for a motor |