H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors

Patents for H02K 23 - Dc commutator motors or generators having mechanical commutator; Universal ac/dc commutator motors (6,220)
03/1977
03/08/1977	US4011488 Linear field control motor
03/08/1977	US4011479 Stator construction for a permanent magnet-excited d-c machine
02/1977
02/15/1977	US4008410 Commutator for discoidal armature
01/1977
01/18/1977	US4004167 Permanent magnet stators
12/1976
12/14/1976	US3997806 Rotor of flat-type motor
11/1976
11/23/1976	US3993920 Coreless motor
09/1976
09/07/1976	US3979652 Electromagnetic motor utilizing attraction and repulsion forces
09/07/1976	US3979619 Permanent magnet field structure for dynamoelectric machines
08/1976
08/31/1976	US3978385 Electric power tool with torque-dependent speed regulation
08/31/1976	US3978354 Permanent magnet electrical machines
07/1976
07/27/1976	US3971124 Method for manufacturing cylindrical armature
06/1976
06/29/1976	US3967200 Speed detector for use with miniature DC motor
05/1976
05/11/1976	US3955273 Method of manufacturing flat type wound armatures
05/11/1976	US3955271 Dynamoelectric machinery
05/04/1976	US3954081 Outboard motor with speed regulator for DC permanent magnet motor
04/1976
04/27/1976	US3953750 Electric motor
04/13/1976	US3950662 Self-commutating motor and printed circuit armature therefor
03/1976
03/30/1976	US3947764 Method and apparatus for testing DC motors
02/1976
02/24/1976	US3940644 Plural brush DC machine and commutator assembly
02/17/1976	US3939371 Rotary electric machine