Patents
Patents for H02K 13 - Structural associations of current collectors with motors or generators, e.g. brush mounting plates, connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation (4,847)
05/1979
05/22/1979US4156155 Combined rotary electrical contact and shaft seal system
05/22/1979US4155499 Method of welding metallic conductors using vibratory energy
05/15/1979US4155023 Brush-holder for dynamo electric machines, particularly automotive-type three-phase alternators
05/08/1979CA1053882A1 Method of manufacturing electric motor commutator
05/01/1979US4152614 Miniature electric motors and method for manufacturing rotors for the same
04/1979
04/17/1979CA1052508A1 Vacuum cleaner housing having separate compartments in heat-exchanging relationship
02/1979
02/27/1979US4142138 Motor control
01/1979
01/30/1979CA1047588A1 Plug-in brush cartridge
01/23/1979US4136294 Direct-current micromotor
01/16/1979CA1046568A2 Switching apparatus for a machine responsive to a source of dc power
01/16/1979CA1046567A1 Direct current electric motor
01/02/1979CA1045358A1 Welding leads to commutator bars
12/1978
12/26/1978US4131460 Silicon carbide, copper, carbon
10/1978
10/10/1978US4119875 Direct current electric motor
09/1978
09/12/1978US4114056 Rotor for alternating current generator
09/05/1978US4110901 Method of fabricating rotor coil for coreless motors
08/1978
08/29/1978CA1037538A1 Brush arrangement for a permanent magnet coreles motor
08/08/1978US4105907 Slip ring structure for dynamo electric machines, particularly automotive-type alternators
07/1978
07/25/1978US4103196 Coreless motor
07/18/1978US4101453 Of copper, silicon carbide, carbon and lead
07/04/1978US4099077 Rotor for coreless motor
05/1978
05/09/1978US4088912 Brush device for miniature electric motor
04/1978
04/25/1978US4086510 Flat miniature dynamoelectric machine
04/25/1978US4086509 Sandwiched slip ring assembly
02/1978
02/21/1978US4075523 Plug-in brush cartridge
01/1978
01/31/1978US4071730 Method to secure armature conductors to the commutator strips in dynamo electric machines
11/1977
11/15/1977US4058804 Signal monitoring system
10/1977
10/11/1977US4052765 Vacuum cleaner
08/1977
08/02/1977US4039915 D-c commutator-type dynamo electric machine with electronic control
07/1977
07/19/1977US4037125 Small-sized direct current rotary electric appliance
07/19/1977US4035908 Method of manufacturing electric motor commutator
05/1977
05/31/1977US4026553 Racket for tennis, badminton, squash or the like
05/03/1977US4021692 Peripheral commutator for discoidal armature
05/03/1977US4020645 Motor-compressor unit of the sealed type for refrigerating appliances
04/1977
04/19/1977US4019076 Electrical commutators and slip-rings
02/1977
02/15/1977US4008410 Commutator for discoidal armature
11/1976
11/09/1976US3991331 Commutating structure for DC machines
10/1976
10/05/1976US3984716 Slip ring and brush arrangement
10/05/1976US3984715 Fluid contact for a DC machine
09/1976
09/14/1976US3980914 Brushes for rotating electric machines
09/14/1976US3979821 Method of manufacturing rare earth permanent magnet rotor
05/1976
05/25/1976US3959705 Direct current motors with improved commutation
05/25/1976US3958326 Method of manufacturing commutator
03/1976
03/02/1976US3942056 Brush holder and rigging assembly for a dynamoelectric machine
02/1976
02/24/1976US3940644 Plural brush DC machine and commutator assembly
02/10/1976US3937993 Commutating structure for DC machines
01/1976
01/20/1976US3933687 Method of manufacturing carbon brushes for electrical machines
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