Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905)
07/1981
07/08/1981EP0031780A1 Device for energy recovery from an inverter
07/07/1981US4277734 Electric brake motor
07/07/1981US4277733 Slip recovery system for wound rotor motor
07/01/1981EP0031119A1 Electronic control device for a separately excited direct current machine
06/1981
06/30/1981US4276581 Headlight tilting system for vehicles
06/23/1981US4275341 Electronic power supply circuit for a series connected DC motor
06/23/1981US4275340 Control circuit for a final control element, in particular an electric motor
06/23/1981CA1103754A1 D.c. motor position control
06/17/1981EP0030416A1 Drive control system for motors in numerically controlled machine tools
06/09/1981CA1102867A1 Circuit for driving and braking a speed-controlled direct current motor
06/02/1981US4271383 DC Motor control circuit
05/1981
05/19/1981US4268782 Control system for a DC motor
05/12/1981US4267492 Control circuit for a D.C. motor
05/12/1981CA1101108A1 Dynamic brake current limiting control apparatus and method
05/06/1981EP0028078A2 Spindle rotation control system
05/06/1981EP0028077A2 Spindle rotation control system
04/1981
04/28/1981US4264846 Speed control and braking circuit for a series connected DC machine
04/21/1981US4263537 Controlled positioning of a motor shaft
04/14/1981US4262239 Servo motor apparatus
04/08/1981EP0026731A1 Overload protection arrangement for an electric machine
04/07/1981CA1099001A1 Electronic circuit controller for windshield wiper drive motor
04/01/1981EP0026039A1 Operation control apparatus for AC motors
04/01/1981EP0026038A1 Operation control apparatus for AC motors
03/1981
03/31/1981US4259622 Circuit arrangement for driving and for independent recuperation braking of a vehicle
03/17/1981CA1097768A1 Transit vehicle electrical brake control apparatus and method
02/1981
02/24/1981CA1096477A1 Braking control system selectively operable in dynamic and regenerative braking operation for electric car
02/10/1981US4250436 Motor braking arrangement and method
02/03/1981US4249117 Anti-kickback power tool control
01/1981
01/28/1981EP0022774A1 Control for direct-current motor with separately excited field
01/27/1981CA1094634A1 Regenerative brake control system for dc motor
01/20/1981US4246525 Motor control system
01/20/1981CA1094205A1 Electrical drive system for a sewing machine
01/06/1981US4243919 Motor braking arrangement
01/06/1981CA1093208A1 Apparatus for damping rotation of turntable
12/1980
12/30/1980US4241866 Method of gently controlling braking of a centrifuge, and braking system
12/23/1980US4241302 Capacitive braking switching system for home appliances with induction motor drive
12/12/1980EP0022774A4 Control for direct-current motor with separately excited field.
12/09/1980CA1091293A1 Regenerative motor control having improved field circuit
11/1980
11/25/1980US4235072 Motor drive circuit in digital type electronic time piece
11/13/1980WO1980002482A1 Traction-vehicle-propulsion-system
11/12/1980EP0018626A1 Anti-kickback power tool control
11/04/1980CA1089056A1 Dynamic brake blending for an inverter propulsion system
10/1980
10/14/1980CA1087708A1 Protection system for electric motor
10/14/1980CA1087680A1 Capacitor degaussing for electric motors
10/07/1980US4227139 Motor control arrangement
10/07/1980US4227133 Stabilized servo motor positioning apparatus
09/1980
09/16/1980US4222608 Control system for adjustable head restraint on automotive seat
08/1980
08/20/1980EP0014241A2 Method for the controlled steering of a D.C.-motor drive unit in a target position and circuit for implementing this method
08/12/1980US4217532 Electrically braked alternating current motor with plural, alternatively energizable brake windings
08/05/1980US4216420 Braking control system selectively operable in dynamic and regenerative braking operation for electric car
07/1980
07/29/1980US4215378 Automatic stop device for a tape recorder
07/29/1980US4215301 Digital servo positioning circuit
07/24/1980WO1980001526A1 Control for direct-current motor with separately excited field
07/23/1980EP0013615A1 Apparatus for controlling a.c. motor
07/23/1980EP0013383A1 Electronic supply arrangement for a series DC motor which permits rapid transition between driving and regenerative breaking
07/22/1980US4214193 Digital servo anti-hunt circuit
07/22/1980US4213583 Reel drive motor control system for cassette/cartridge tape recorders
07/15/1980CA1081770A1 Adjustable stroke electric motor using stroke adjusting linkage means
06/1980
06/25/1980EP0012539A1 A driving circuit for permanent magnet type DC motor
06/24/1980CA1080302A1 Motor angular velocity monitor circuit
06/10/1980US4207504 Spindle control system
06/03/1980US4206392 Spindle control system
04/1980
04/22/1980US4199711 Control apparatus for electric motor vehicles
04/08/1980US4196685 Thread abnormality detection utilizing integrator and comparator in conjunction with rotary thread tension disk
04/01/1980US4195585 Protection apparatus for electric sewing mechine
03/1980
03/25/1980US4195255 Electronic brake for AC motors
02/1980
02/19/1980US4189668 D.C. motor snubbing
02/12/1980US4188569 Control circuit for an electric vehicle traction motor
02/06/1980EP0007617A1 Disconnect and overload bypass arrangement for a portable tool
01/1980
01/29/1980US4186333 Circuit for the energy-conserving braking of a direct-current series-wound motor especially for vehicles
01/29/1980CA1070755A1 Solid state overload relay transformer circuit
01/29/1980CA1070754A1 Solid state overload relay circuit
01/22/1980CA1070375A1 Transit vehicle motor effort control apparatus and method
01/22/1980CA1070374A1 Transit vehicle generated voltage control apparatus and method
01/15/1980US4184107 Control circuit for a predetermined angular movement of a DC motor
01/01/1980US4181197 AC elevator speed control system
12/1979
12/25/1979US4180767 Closed-loop regulating and overhauling load energy dissipating chopper type current control system for D.C. Motors
12/18/1979US4179646 Control circuit for circuit breaker DC motor operator
12/18/1979US4179645 Circuit for driving and braking a speed-controlled direct current motor
12/18/1979CA1068383A1 Chopper motor controller having pulse-by-pulse sensing of plugging
11/1979
11/27/1979US4176306 Speed control apparatus
11/27/1979CA1067139A1 Electric braking apparatus for alternating current motors
11/13/1979CA1066395A1 Automatic sequencing scheme for reversing directions of electric traction motors
11/06/1979US4173732 Dynamic brake current limiting control apparatus and method
11/06/1979US4173193 Controlling apparatus for electric sewing machine
10/1979
10/31/1979EP0005079A1 An electric motor control circuit
10/16/1979CA1064614A1 Adaptive gain control in an incrementing magnetic tape transport
10/09/1979CA1064175A1 Elevator control apparatus
10/02/1979CA1063702A1 Electrically propelled vehicle
09/1979
09/25/1979CA1063268A1 Elevator system
09/25/1979CA1063267A1 Elevator system
09/11/1979CA1062383A1 Direct current braking means for wound rotor motor
08/1979
08/28/1979US4166240 Control circuit for circuit breaker ac motor operator
08/28/1979US4165801 Static Leonard system
08/28/1979CA1061403A1 Induction motor brake circuit
08/14/1979CA1060538A1 Regenerative d.c. motor control having field and armature control
07/1979
07/31/1979US4163191 Magnetic phase shifter control system
07/24/1979US4161921 Motor control system for sewing machine
07/24/1979US4161920 Motor control system for one stitch sewing control of a sewing machine
07/24/1979US4161919 Motor control system for sewing machine
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