Patents
Patents for H02K 29 - Motors or generators having non-mechanical commutating devices, e.g. discharge tubes, semiconductor devices (10,091)
01/1986
01/29/1986EP0169569A2 Permanent magnet electrical machine
01/28/1986CA1199997A1 Control system, method of operating an electronically commutated motor, and laundering apparatus
01/21/1986US4565956 Fast-acting servo drive system
01/15/1986EP0167803A2 Collectorless three phase d.c. motor
01/14/1986US4564793 Brushless DC motor with improved starting
01/14/1986US4564778 DC Brushless electromagnetic rotary machine
01/14/1986US4563808 Methods of producing slotless and toothless wound stator
01/10/1986CN85106056A Electro-magnetic dynamic motor
01/07/1986US4563622 Simple brushless DC fan motor
01/07/1986EP0133430A4 An improved brushless dc motor.
12/1985
12/31/1985US4562399 Brushless DC tachometer
12/18/1985EP0164827A2 Dynamoelectric machine
12/18/1985EP0164742A2 Brushless motor
12/11/1985EP0164118A2 Driving arrangement with collectorless d.c. motor
12/10/1985US4558245 Electronically commutated d.c. motor
12/04/1985EP0163142A1 Brushless motor
12/03/1985US4556829 Drive arrangement for signal processing equipment
12/03/1985US4556828 Electric motor adapted to permit translational motion between field and armature
12/03/1985CA1197551A1 Brushless direct current motor with magnetically operated commutating switch means
11/1985
11/27/1985EP0162780A1 Apparatus for detecting the angular position of the rotor in a rotating machine
11/19/1985US4554491 Brushless DC motor having a laminated stator with a single stator winding
11/19/1985US4554473 Brushless direct current motor system
11/13/1985EP0161032A1 Electric motor
11/13/1985EP0160971A2 Bearing for minifan driving motor
11/13/1985EP0160868A2 Brushless motor
11/12/1985US4553075 Simple brushless DC fan motor with reversing field
11/06/1985EP0160522A2 Magnetic-pole cores for electrorotary machines
11/05/1985US4551708 Position sensing device
11/05/1985US4551658 D.C. Motor with centrifugal separation starting brush
11/05/1985US4551645 Disc type brushless motor
11/05/1985CA1196366A1 Self-starting, direct current motor with permanent magnets of varied magnetic strength
10/1985
10/29/1985US4550280 Motor/generator operating on the reluctance principle
10/29/1985US4550267 Redundant multiple channel electric motors and generators
10/23/1985EP0159069A2 Electronically commutated electric motor without collector
10/23/1985EP0159005A2 Electrically controlled electromotor
10/22/1985US4549121 Motor minimum speed start-up circuit for electric motors
10/22/1985US4549104 Motor of the permanent-magnet rotor type
10/15/1985US4547714 Low magnetic leakage flux brushless pulse controlled d-c motor
10/15/1985US4547713 Toroidally wound brushless DC motor
10/09/1985EP0157526A2 Reluctance rotary machine
10/02/1985EP0156606A2 Generator device
10/01/1985CA1194541A1 Capacitive sensor motor control system
09/1985
09/17/1985US4542323 Direct current motor without commutator
09/17/1985US4541575 Winding technique for multiple winding brushless motors
09/17/1985CA1193651A1 Electronically commutated motor, method of operating such, control circuit, laundry machine and drive thereof
09/12/1985WO1985003958A1 Device for driving a sewing machine
09/11/1985EP0153934A1 Interlocking device for stepping motor
09/10/1985US4540906 In an electrical machine
09/04/1985EP0153338A1 Electric machine.
08/1985
08/28/1985EP0152508A2 Coreless-brushless motor
08/27/1985US4538080 Flux contoured rotary electromagnetic machine
08/13/1985US4535279 Impulse motor structure, drive system and control circuit
08/13/1985US4535263 Electric D.C. motors with a plurality of units, each including a permanent magnet field device and a wound armature for producing poles
08/07/1985EP0150324A1 Brushless DC motor
08/06/1985CA1191543A1 Rotary electric machine
07/1985
07/31/1985EP0150070A2 Commutatorless direct-current motor with a ironless stator winding
07/30/1985US4532460 Pre-start rotor positioner for an electric vehicle
07/24/1985EP0149228A2 Electric motor, in particular a commutatorless direct current motor
07/23/1985US4531079 Brushless DC drive motor for signal recording means
07/17/1985EP0148347A1 Brushless D.C. Motors
07/16/1985US4529918 Collectorless direct current outer rotor motor
07/16/1985US4529900 Brushless motor
07/09/1985US4528485 Electronically commutated motor, method of operating such, control circuit, laundry machine and drive therefor
07/09/1985US4528483 Multiple-shaft drive
07/04/1985WO1985002951A1 D.c. motor
07/03/1985EP0146673A1 Laundering machines
06/1985
06/26/1985EP0145913A2 Reactance commutated high resolution servo motor system
06/18/1985US4524293 4-Pole electric motor
06/04/1985US4521706 Tape driving capstan powered with a permanent magnet motor
05/1985
05/15/1985EP0141479A1 Brushless dc motor with improved starting
05/14/1985US4517480 Tachogenerator for speed control of electric motors
05/14/1985US4516912 Compressor arrangement for a heat pump installation
05/09/1985WO1985002069A1 Commutator electric motor
05/08/1985EP0140461A1 Simple brushless dc fan motor with reversing field
04/1985
04/24/1985EP0138000A1 Multi-phase electric machine
04/17/1985EP0069751B1 Electric motors
04/02/1985US4508998 Brushless disc-type DC motor or generator
03/1985
03/26/1985US4507590 Brushless DC motor
03/26/1985CA1184596A1 Motor with redundant windings
03/19/1985US4505031 Method of assembling an electric motor
03/14/1985WO1985001158A1 Electric machine
03/14/1985WO1985001130A1 Interlocking device for stepping motor
03/12/1985US4504751 Fan with electronically commutated direct-current motor
02/1985
02/27/1985EP0133430A1 An improved brushless dc motor
02/26/1985US4501997 Magnetization for brushless direct current outer rotor motor
02/19/1985US4500824 Method of commutation and converter circuit for switched reluctance motors
02/12/1985US4499407 Brushless DC motor assembly with improved stator pole
01/1985
01/29/1985US4496887 Direct-current brushless motor
01/23/1985EP0131632A1 Three-phase brushless motor
01/22/1985US4495464 Non-contacting, speed-detecting device of a direct-current generator type
01/22/1985US4495450 Control device for brushless motor
01/15/1985US4494028 Integral coaxial commutation and rotor magnets and apparatus and method for making same
01/02/1985EP0130048A2 Permanent magnet motor
01/01/1985US4491769 Rotary electric machine
12/1984
12/27/1984EP0129049A1 Electronically commutated D.C. motor
12/19/1984EP0128520A2 DC tachometer
12/19/1984EP0128518A2 Brushless DC tachometer
12/19/1984EP0128468A2 Direct-current motor
12/11/1984US4488076 Tachometer assembly for magnetic motors
11/1984
11/27/1984US4485310 Combination of a compression or expansion turbine engine and an electric motor
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