Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872) |
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04/04/1984 | EP0104965A1 Liquid rheostat with variable level for starting an electric motor |
04/03/1984 | US4441062 Missing pulse detector for a synchronous motor drive |
04/03/1984 | CA1164933A1 Variable speed electric machine having controlled magnetic flux density |
03/28/1984 | EP0103930A2 Reversing device for a two-pole single-phase synchronous motor |
03/20/1984 | US4438383 Rock crusher motor control circuit for preventing relay drop out |
03/13/1984 | US4436486 Circulating pump unit |
02/28/1984 | US4434394 Circuit for controlling multiple rated motors |
02/28/1984 | US4434390 Motor control apparatus with parallel input, serial output signal conditioning means |
02/28/1984 | CA1163010A1 Electrical aircraft engine start and generating system |
02/14/1984 | US4431953 Circuit for operating a synchronous motor from a dc supply |
02/14/1984 | CA1162233A1 Magnetic device for controlling starting of a single phase induction motor |
02/07/1984 | CA1161930A1 Marine propulsion system |
01/24/1984 | US4427929 Window and door locking system for vehicles |
01/17/1984 | US4426605 Method of operating a shunt-wound DC motor as well as controlling device for the execution and application thereof |
01/10/1984 | US4425539 Control system for AC induction motor |
12/28/1983 | EP0096953A1 Hoisting system |
12/20/1983 | US4422030 A.C. Motor control |
12/20/1983 | US4422029 Instant reverse control circuit for a single phase motor |
12/20/1983 | US4422028 Brushless excitation system with a holding current resistor |
12/20/1983 | US4422023 Starting circuit for electronically controlled motor apparatus |
11/22/1983 | US4417192 Sectional motor starting winding circuit for three-phase motors |
11/10/1983 | WO1983003928A1 Device for starting electric motors and method for its actuation |
10/18/1983 | US4410845 Backspin detection circuit for a submersible pump |
10/11/1983 | US4409533 Method of restarting induction motor and apparatus for carrying out the same |
10/11/1983 | US4409532 Start control arrangement for split phase induction motor |
09/14/1983 | EP0088200A1 Method and apparatus for running control of a loom |
09/13/1983 | US4404511 Motor power factor controller with a reduced voltage starter |
08/31/1983 | EP0087173A1 Self-starting single-phase synchronous motor |
08/30/1983 | USRE31367 Motor starting and protecting apparatus |
08/30/1983 | US4401933 Motor control system for a single phase induction motor |
08/16/1983 | US4399394 Electronic motor start switch |
07/27/1983 | EP0084109A1 Arrangement for rotor frequency dependent short circuiting of the rotor series resistors for driving motors |
07/26/1983 | US4395671 Control system and method for motor starting |
07/19/1983 | US4394605 Load drive control system |
06/28/1983 | US4390825 Auto-threshold slow start control circuit for a centrifuge |
06/28/1983 | US4390821 Device for changing the relative angular positions of operating shafts of a group electric drive |
06/14/1983 | US4388581 Dynamoelectric machine |
06/14/1983 | US4388580 Magnetic device for controlling starting of a single phase induction motor |
06/07/1983 | US4387330 Balanced single phase alternating current induction motor |
05/11/1983 | EP0078387A1 Print head velocity control system with error count averaging |
05/03/1983 | US4382217 Starting control circuit for an A.C. motor |
04/27/1983 | EP0077455A1 Print head control system with controlled acceleration and deceleration |
04/20/1983 | EP0077118A1 Motor power factor controller with a reduced voltage starter |
04/05/1983 | CA1144263A1 Starter circuit for compressor units |
03/30/1983 | EP0075138A1 Starting relay for electric single-phase motors with an auxiliary start winding |
03/29/1983 | US4378520 D-C Relay relief control for A-C electric motor |
03/22/1983 | CA1143431A1 Starter device for a single-phase asynchronous motor |
03/08/1983 | US4376262 Method and apparatus for controlling a digital controlled brushless motor |
03/01/1983 | US4375613 Electrical control circuit |
02/15/1983 | US4374348 Wiper device |
02/01/1983 | US4371823 Apparatus and method for starting textile winder synchronous motor drives |
01/25/1983 | CA1140208A1 Full voltage start of vibratory excitors |
01/05/1983 | EP0069044A1 Electric current converter motor of the synchronous type |
01/05/1983 | EP0068113A1 Auto-threshold slow start control circuit for a centrifuge |
01/04/1983 | US4367435 Motor control system |
12/28/1982 | US4366426 Starting circuit for single phase electric motors |
12/28/1982 | CA1138546A1 Ptc resistor with symmetrical-joined connections |
12/21/1982 | CA1138026A1 Motor starting and protecting apparatus |
12/14/1982 | CA1137549A1 Method and apparatus for control of inverter synchronous machine drive system |
11/30/1982 | US4361793 Motor voltage controller device |
11/25/1982 | WO1982004165A1 Starting control circuit for an a.c. motor |
11/23/1982 | US4360768 High current acceleration servomotor driver |
11/09/1982 | US4358724 Solid state servo amplifier for a D.C. motor position control system |
10/26/1982 | US4355458 Method of making an electrical control |
10/26/1982 | CA1134470A1 Starting resistance for a rotating electrical machine |
10/20/1982 | EP0062850A1 Iron core choke coil with an air gap for starting a single or polyphase squirrel cage asynchronous motor with a low starting torque |
10/19/1982 | CA1133981A1 Chopper activated control circuit for a dc motor with current return bride |
10/05/1982 | US4353022 Torque reversing motor control structure and method |
09/28/1982 | US4352051 Single phase motor with reversible auxiliary windings |
09/28/1982 | CA1132696A1 Thermal relays particularly for starting single-phase asynchronous motors |
09/21/1982 | US4350945 Phase converter controlled by D-C power |
09/15/1982 | EP0060172A1 Protection device for a motor of a hermetically sealed motor-compressor unit |
09/08/1982 | EP0059245A1 Part-winding starting circuit for three-phase motors |
09/07/1982 | US4348626 Two-speed single phase motor with centrifugal switch |
09/07/1982 | CA1131300A1 Combination starter-protector device |
07/27/1982 | US4341987 Two-speed single phase motor with centrifugal switch |
07/27/1982 | US4341983 Automatic sequence control system |
07/27/1982 | US4341981 Rotary direction reversing apparatus for a motor of a microcassette tape transport |
07/06/1982 | US4338557 Variable speed electric machine having controlled magnetic flux density |
07/06/1982 | US4338525 Marine propulsion system |
06/29/1982 | CA1126804A1 Device for starting single or multi-phase squirrel-cage induction motors |
06/24/1982 | WO1982002127A1 Motor control system |
06/23/1982 | EP0054446A1 Electric asynchronous motor, means for controlling the feeding of such a motor and circulating drive comprising such a motor |
06/15/1982 | US4335342 Reciprocating drive system for a body such as a carriage supporting electrostatic means for spraying a pulverized material, the system including an asynchronous squirrel cage motor |
06/15/1982 | US4335340 Electric reversible motor control |
06/09/1982 | EP0053208A1 Motor control system for a single phase induction motor |
06/08/1982 | CA1125369A1 Rotary phase converter |
06/02/1982 | EP0052659A1 Motor voltage controller device |
06/01/1982 | US4332528 Compression type refrigeration device |
06/01/1982 | US4332461 Electrical drive for scanning optics in a continuously variable reduction copier |
06/01/1982 | CA1124781A1 Control circuit for discharging the field winding of a synchronous motor |
05/18/1982 | US4330743 Electrical aircraft engine start and generating system |
05/18/1982 | US4330740 Energizing circuit for providing low voltage starting for submersible pump motor |
05/12/1982 | EP0051478A2 Induction motor control system |
04/13/1982 | US4325012 Start winding cut-out circuit for an electric motor |
04/06/1982 | US4323828 Apparatus for use with a motor drive |
03/16/1982 | US4320328 Apparatus for full voltage start of vibratory excitors |
02/02/1982 | US4314189 Device for controlling the commutating angle of an inverter device |
02/02/1982 | CA1117588A1 Prime mover, method of operating such and circuit |
02/02/1982 | CA1117587A1 Control system for two-phase reversible motor |