Patents for H02P 1 - Arrangements for starting electric motors or dynamo-electric converters (9,872)
02/1987
02/10/1987US4642543 Starting sequence for reluctance motor drives operating without a shaft position sensor
02/04/1987EP0210834A2 Shaded-pole type induction motor
02/04/1987EP0210524A1 Control device for an AC load in series with a capacitor bank
02/03/1987US4641074 Synchronous motor protection
01/1987
01/29/1987DE3526803A1 Combination of switching apparatuses
01/21/1987EP0106849B1 Device for starting electric motors and method for its actuation
01/20/1987US4638226 Speed control system with feedback and soft-start
01/13/1987US4636702 Energy economizer controlled-current start and protection for induction motors
01/07/1987CN85105328A Energy economizer controlled-current start and protection for induction motors
01/06/1987US4634951 Reduced voltage starter with voltage ramp control
12/1986
12/31/1986CN85102531A High power single-phase and auto-start motor
12/30/1986EP0205877A1 Partial winding connection for starting three-phase motors
12/17/1986CN86200566U Universal electronic energy-saving safeguard operated in the case of "loss of phase" for 3-phase motor
12/17/1986CN86102980A Control apparatus for alternating elevator
12/16/1986US4629960 Induction motor controller
12/16/1986US4629951 Control system for reversing the rotation of a field wound motor
12/16/1986CA1215426A1 Appliance driven by an electric motor
12/09/1986US4628241 Start-up control method and apparatus for polyphae induction motor
12/09/1986US4628236 Electric motor control
12/09/1986US4628234 Safety device for automatic window regulator
12/03/1986EP0203436A1 Method and run-up device for starting up a slip-ring rotor asynchronous machine
11/1986
11/18/1986US4623829 Dual speed induction motor
11/11/1986US4622506 Load and speed sensitive motor starting circuit
11/05/1986CN85205371U Reversible controller for motor
10/1986
10/23/1986WO1986006185A1 Electric power controller
10/22/1986EP0198394A1 Induction motor winding
10/22/1986EP0198317A1 Current-limiting circuit
10/22/1986EP0198292A2 A method of starting motors by harmonics and electrical motors started by this method
10/08/1986EP0196802A2 Method and apparatus for controlling the operation of a DC load
10/07/1986US4616165 Single-phase reluctance motor
09/1986
09/30/1986US4614904 Capacitor-run dry type submersible motor assembly with a built-in starting capacitor
09/30/1986US4614903 Windshield wiper speed control arrangement
09/17/1986EP0194400A1 A method of starting an asynchronous motor and an apparatus for carrying said method into effect
09/16/1986CA1211499A1 Control circuit for a synchronous motor with two windings
09/10/1986EP0193708A2 Electrical drive systems incorporating variable reluctance motors
09/09/1986US4611154 Method and apparatus for controlling the operation of a DC load
09/03/1986CN85204856U Autotransformer starter without secondary surge current
09/02/1986US4609858 Method and apparatus for automatic running control of a loom
09/02/1986US4609853 Cast bell motor drive system and method
08/1986
08/26/1986CA1210444A1 Start-up control method and apparatus for a polyphase induction motor
08/19/1986US4607205 Method and system for reconnecting inverter to rotating motors
08/19/1986US4607200 Coffee grinder
08/12/1986US4605888 Starting winding switching circuit for single-phase induction motors
08/12/1986US4605884 Control unit
08/05/1986US4604563 Electronic switch for starting AC motor
08/05/1986CA1209199A1 Device for controlling a reluctance motor
07/1986
07/02/1986CA1207019A Motor control apparatus with true rms non sinusoidal negative sequence stator current protection mode
07/01/1986US4598351 Soft-start control for a push-pull converter-regulator with a flux balancing circuit
07/01/1986US4598240 Self synchronous motor sensor switching arrangement
06/1986
06/25/1986EP0185238A1 Driving device for a switch
06/25/1986EP0185212A1 Control system for a power converter driving a synchronous motor
06/24/1986CA1206520A1 Starting system for chopper controlled motor- commutated thyristor inverter
06/10/1986CA1205881A1 Variable level liquid starter rheostat for electric motor
05/1986
05/27/1986US4591775 Electric synchronous machine which is excited via rotating rectifiers
05/27/1986US4591773 Motor driving circuit for motor actuator
05/27/1986CA1205128A1 Self-starting single-phase synchronous motor
05/21/1986CN85204100U Energy saving and long life switch for electric fan
05/12/1986EP0166733A4 Combined starting/generating system and method.
04/1986
04/22/1986US4584504 Integrated circuit for driving a D.C. motor having operational modes
04/22/1986CA1203565A1 Method and apparatus for controlling the power factor of an induction-motor
04/15/1986CA1203280A1 Combined starting/generating system and method
04/09/1986EP0177114A1 Method and system for reconnecting inverter to rotating motors
04/09/1986EP0176810A2 Process and device for removing the filter cake from a pressure disc filter
04/08/1986US4581568 Method and apparatus for automatically setting the demand phase lag input to an induction-motor power factor controller
04/08/1986CA1203006A1 Starter for an electric motor and process for its operation
04/01/1986US4580084 Method and system for controlling speed of electric motor
03/1986
03/26/1986EP0175294A2 Method and apparatus for controlling induction motor
03/25/1986US4578623 Burn-out preventive circuit for commutatorless motor
03/11/1986US4575663 Microprocessor based two speed motor control interface
03/05/1986EP0172891A1 Soft-start control for a push-pull converter-regulator with a flux balancing circuit.
03/04/1986US4574229 Power efficient motor starter and circuit breaker for an induction motor
02/1986
02/26/1986CN85200937U Saving energy contactor
02/19/1986EP0171880A2 Energy economizer controlled-current start and protection for induction motors
02/12/1986EP0171317A1 Liquid resistance rheostat with circulation of the electrolyte
02/04/1986US4568864 Electric motor control for a pipe bender
01/1986
01/29/1986EP0169625A2 Electric motor control
01/29/1986CN85200543U Collision proof device for electromagnetic contactor
01/28/1986US4567408 Digitally controlled rectifying system for driving a motor
01/21/1986US4565957 Method and system for starting a motor-commutated SCR inverter
01/21/1986US4565955 Synchronous motor device for timepiece
01/21/1986CA1199674A1 Method and apparatus for connecting a static inverter to a rotating motor
01/14/1986CA1199433A1 Ac elevator control system
01/08/1986EP0166733A1 Combined starting/generating system and method.
01/08/1986CN85201089U Saving power supply electric contactor
01/07/1986US4563620 Start-up method for synchronous motors
01/02/1986EP0166052A1 Method and system for reconnecting inverter to rotating motors
12/1985
12/24/1985CA1198474A1 Motor starting circuit
12/04/1985EP0163328A1 Single-phase reluctance motor
12/03/1985CA1197553A1 Transitioning between multiple modes of inverter control in a load commutated inverter motor drive
11/1985
11/26/1985CA1197283A1 Arrangement for rotor-frequency-dependent short- circuiting of rotor-series-resistances for driving
11/19/1985CA1196947A1 Self starting reluctance motor
11/12/1985US4553076 Idle speed controller improvement
11/10/1985CN85200162U Motor starting for decreasing reactive-current
10/1985
10/10/1985CN85102382A Starting method using harmonics and electric motors started through the method
10/09/1985EP0157220A1 Improvements in or relating to electronic control circuits
09/1985
09/24/1985US4543515 Motor controlling switch device
09/24/1985CA1194098A1 Self-starting brushless d.c. motor using only one magneto-sensitive element
09/17/1985US4541747 Motor drive control circuit to restrict motor temperature rise below an upper limit
09/17/1985CA1193648A1 Synchronizing synchronous motors prior to clutch closure
09/12/1985WO1985004060A1 Soft-start control for a push-pull converter-regulator with a flux balancing circuit
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