Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091) |
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11/16/1982 | US4359657 Rotation speed signal detector |
11/16/1982 | CA1135788A1 Electronically commutating motor |
11/02/1982 | US4357563 Direct current brushless electric motor |
11/02/1982 | US4357550 Brushless D.C. motor |
10/19/1982 | US4355255 Brushless direct current motor and control therefor |
10/12/1982 | US4354126 Dynamoelectric machine with a permanent magnet rotor having laminated poles |
10/05/1982 | CA1133127A1 Disc recorder with brushless dc motor drive |
09/29/1982 | EP0060894A1 D.c. generator type non-contact speed sensing device |
09/15/1982 | EP0060143A1 Electrical motor |
09/15/1982 | EP0059763A1 D.c. generator type non-contact speed sensing device |
09/07/1982 | US4348605 Electrical reluctance machine |
08/31/1982 | US4347464 FET Motor drive system |
08/19/1982 | WO1982002803A1 Brushless disc-type dc motor or generator |
08/05/1982 | WO1982002619A1 Electric motors |
07/20/1982 | US4340833 Miniature motor coil |
07/20/1982 | US4339875 Method of assembling a galvanomagnetic sensor in a cavity in a conducting plate |
07/06/1982 | CA1127233A1 Inertia wheel |
06/29/1982 | US4337491 Brushless D.C. motor assembly |
06/22/1982 | US4336475 Slotless brushless motor |
06/08/1982 | US4334166 Rotary magnetic sensor |
06/01/1982 | US4333015 Solid-state commutator for use in electric motors |
05/26/1982 | EP0052346A2 Electrical drive or generator |
05/26/1982 | EP0052345A2 Rotary energy storage unit |
05/26/1982 | EP0052344A2 Rotary drive or rotary generator |
05/26/1982 | EP0052343A2 Electric machine |
05/25/1982 | CA1124323A1 Controllable electrical single-armature or rotary converter |
05/11/1982 | US4329636 Rotation sensor device |
05/11/1982 | US4329604 Low loss brushless DC motor |
04/28/1982 | EP0050582A2 Brushless DC motor driven cryogenic refrigeration system |
04/27/1982 | US4327302 Electronically commutated motor, stationary and rotatable assemblies therefore, and lamination |
04/15/1982 | WO1982001252A1 D.c.generator type non-contact speed sensing device |
04/13/1982 | US4324994 Drive unit with a motor |
04/01/1982 | WO1982001074A1 D.c.generator type non-contact speed sensing device |
03/30/1982 | US4322666 Brushless, permanent magnet d-c pulse current controlled, essentially uniform torque dynamo electric machine particularly motor |
03/30/1982 | CA1121022A1 Rotational speed signal sensor |
03/10/1982 | EP0046997A2 Electric wheel drive for vehicles, in particular for hybrid passenger cars |
02/23/1982 | US4317072 Electric motor with rotational speed regulation |
02/18/1982 | WO1982000548A1 Rotor position sensor |
01/19/1982 | US4311933 Brushless direct current motor |
01/19/1982 | CA1116682A1 Axial air gap dynamo-electric machine |
01/06/1982 | EP0043138A1 Electronic commutating device for direct current machines with several winding strands |
01/05/1982 | US4309647 Commutatorless motor device |
01/05/1982 | CA1115771A1 Seven phase rotary machine apparatus |
12/23/1981 | EP0041988A1 Motor system |
12/22/1981 | US4306419 Brushless DC motor driven cryogenic refrigeration system |
12/16/1981 | EP0041846A1 Induction type positioning system |
12/15/1981 | US4306259 Flexible-disc drive spindle assembly with brushless DC motor |
12/15/1981 | CA1114446A1 Control arrangement for a brushless motor |
12/01/1981 | US4303210 Tape drive device |
11/25/1981 | EP0040484A2 Brushless D.C. motors |
11/24/1981 | US4302692 Rotational speed signal sensor |
11/17/1981 | CA1112706A1 Tape recorder motor with internal clutch |
11/17/1981 | CA1112705A1 Flat-permanent-magnet rotor for brushless d.c. motor |
11/11/1981 | EP0039649A1 Electric direct current motor |
11/10/1981 | CA1112276A1 Direct current motor having outer rotor and inner stator |
10/28/1981 | EP0038694A1 Electronically commutated motors for laundering machines |
10/06/1981 | USRE30761 Three-phase DC motor having non-superimposed armature coils |
10/06/1981 | CA1110357A1 Magnetic tape recording and/or reproducing apparatus |
09/29/1981 | US4292575 Control signal transmitter for the commutating device of an electronically commutated d-c motor |
09/29/1981 | US4292557 Motor with integral clutch |
09/29/1981 | CA1109916A1 Stator yoke for electrical apparatus |
09/22/1981 | US4291248 Electric motor |
09/15/1981 | US4289998 Single phase DC brushless motor |
08/25/1981 | US4286198 Direct current motor unit without commutator |
08/25/1981 | US4286184 Electronic motor having a multi-pole external rotor |
08/11/1981 | US4283646 Brushless electric motor |
08/11/1981 | US4283644 DC Motor |
08/11/1981 | CA1106892A1 Brushless dc motor |
08/06/1981 | EP0027799A4 Axial gap permanent magnet motor. |
07/28/1981 | US4281265 Disc motor with A.C. and D.C. stator windings |
07/22/1981 | EP0032441A2 Brushless D.C. motor and control circuit therefor |
07/21/1981 | US4280072 Rotating electric machine |
07/14/1981 | US4278927 Axial gap permanent magnet motor |
07/01/1981 | EP0031026A2 Brushless DC motor |
06/30/1981 | US4276490 Brushless DC motor with rare-earth magnet rotor and segmented stator |
06/23/1981 | US4275339 Bifilar brushless DC 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 |
06/10/1981 | EP0030008A2 Miniature motor coil |
05/26/1981 | US4270075 Motor energized by a DC voltage |
05/12/1981 | CA1100885A1 Record player with direct drive turntable |
05/06/1981 | EP0027799A1 Axial gap permanent magnet motor. |
04/07/1981 | US4260920 Multi-pole permanent magnet rotor |
03/31/1981 | US4259603 Electric motor |
03/17/1981 | US4256997 Apparatus for the supply, regulation and control of direct current electrical machines |
02/04/1981 | EP0023221A1 Direct current motor without collector |
01/28/1981 | EP0023123A1 Brushless tachometer generator |
01/27/1981 | CA1094626A1 Brush-less dc motor |
01/06/1981 | US4243902 Direct current motor with non-superposed armature windings |
01/06/1981 | CA1093208A1 Apparatus for damping rotation of turntable |
12/30/1980 | US4242608 Motor using Hall effect elements |
12/10/1980 | EP0020178A1 Rotational speed detector |
12/09/1980 | US4238822 Controllable electrical single-armature of rotary converter |
11/18/1980 | US4234831 Compound rotary and/or linear motor |
11/12/1980 | EP0018904A1 Commutatorless D.C. motor |
10/21/1980 | US4229682 Electronically commutating motor |
10/14/1980 | US4228384 Brushless DC printed motor |
10/07/1980 | US4227107 Direct current motor with double layer armature windings |
09/18/1980 | WO1980001898A1 Axial gap permanent magnet motor |