Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905)
01/1996
01/03/1996EP0690556A1 Stop recognizing of inverter controlled motor without speed sensor by restarting
01/02/1996US5480009 For breaking an electric drive motor of a hand-held working tool
12/1995
12/12/1995US5475290 Device for protecting washing machine motor including brushless motor against overcurrent
12/12/1995US5474005 Apparatus and method for controlling sewing machine
12/12/1995CA2098894C Method for checking brake torque
12/06/1995EP0685925A1 Servo motor
11/1995
11/21/1995US5469031 Dynamic braking for electric motors in a plastics processing machine
11/07/1995US5465202 Inverter apparatus provided with electric discharge control circuit of dc smoothing capacitor and method of controlling the same
10/1995
10/31/1995US5463293 Motor control device
10/26/1995WO1995024229A3 Ambulatory infusion pump
10/18/1995EP0677919A2 Method for the control of an asynchronous machine supplied from a converter in the operation of weakening of field
10/10/1995US5457372 Load sensing, soft-braking method and apparatus using the same
10/04/1995EP0556209B1 Circuit for limiting the cut-off voltage of an actuator motor
10/03/1995CA2025067C Dc motor controller with high reliability
09/1995
09/26/1995US5453669 Motor current detection circuit
09/19/1995US5451849 Motorized self-correcting automatic convertible top
09/14/1995WO1995024229A2 Ambulatory infusion pump
09/13/1995EP0671542A1 Electric motor driven device including means for measuring the movement of the driven body
09/12/1995US5449993 Regenerative ac to dc converter
09/12/1995US5449992 Braking circuit for an electric motor
09/12/1995US5449990 Single cycle positioning system
09/06/1995CN2207027Y Low-voltage remote controllor
09/05/1995US5448549 Process for stopping a rotating disc-shaped record medium
09/05/1995US5448150 Vector control unit for an induction motor
08/1995
08/22/1995US5444318 Motor with permanent magnet actuated brake
08/15/1995US5442276 Apparatus for providing controlled mechanical braking torque
08/09/1995EP0666641A1 Supply circuit for a multisystem locomotive
08/09/1995EP0666640A1 Supply circuit for a DC locomotive
08/03/1995WO1995020839A1 Phase-control method for stopping a drive smoothly
07/1995
07/25/1995US5436546 Method and apparatus for switching back a change-pole motor
07/11/1995US5432420 Reluctance-type motor and a DC motor capable of performing regenerative braking
06/1995
06/29/1995DE4344424A1 Motor braking device for electric handtool
06/14/1995DE4441058A1 Dynamic motor braking control system
06/13/1995US5424624 Driver circuit for electric actuator
06/13/1995US5424622 Dynamic brake assembly
06/06/1995CA2005528C Power conversion system including an improved filter for attenuating harmonics
06/01/1995DE4403761C1 DC locomotive supply circuit
05/1995
05/18/1995DE4439873A1 Braking circuit for shunt-wound motor
05/11/1995DE4403762C1 Feed circuit for a multi-system locomotive
04/1995
04/27/1995DE4335965A1 Motor starter (engine starter) having integrated short-circuit protection
04/26/1995EP0649575A1 Electric motor drive
04/25/1995US5410229 Motor speed control circuit with electronic clutch
04/25/1995US5410226 Power window apparatus and method for controlling the same
04/13/1995DE4333733A1 Circuit arrangement for braking a commutator motor
04/12/1995EP0493464B1 Drive systems for transportation mechanisms
04/06/1995WO1995009478A1 Braking circuit for a universal motor
04/06/1995WO1995009477A1 Electric motor with an electrodynamic brake
03/1995
03/30/1995WO1995008859A1 A drive assembly for power operated doors
03/28/1995US5402045 Motor drive having invertor
03/22/1995EP0471038B1 Commutator motor
03/22/1995CN2192980Y Self-feedback regenerative braking device for mine hoist
03/16/1995DE4330850A1 Mechanical two-circuit braking system
02/1995
02/28/1995US5394069 Mechanical brake hold circuit for an electric motor
02/22/1995EP0639888A1 Method of detecting and regulating load on servomotor
02/22/1995EP0639304A1 Inverse speed motor, especially a universal motor, with a braking device
01/1995
01/31/1995US5386185 High speed AC motor controller
01/19/1995WO1995002276A1 Electric motor braking
01/19/1995WO1995002268A1 Process for controlling the d.c. motor used for moving a window in a motor vehicle
01/19/1995CA2166610A1 Electric motor braking
01/05/1995WO1995001003A1 Induction motor controller
12/1994
12/27/1994US5376867 Electronic braking device for asynchronous motors
12/20/1994US5375028 Overcurrent protective device and device for detecting overcurrent
12/20/1994US5374885 Method and apparatus for braking a rotary component in a textile fiber processing machine
12/07/1994CN1026935C Elektrischer antrieb mit nutzbremse
11/1994
11/24/1994WO1994027358A1 Method for controlling feedback for regenerated current
11/24/1994WO1994027349A1 Electric motor drive
11/17/1994EP0624834A2 Single cycle positioning system
11/09/1994CN1094868A Series-wound motor, in particular a universal motor, having a braking device
11/01/1994US5361022 Method and apparatus for electrical dynamic braking
10/1994
10/20/1994DE4312625A1 Drive device, especially for driving a sanding belt (grinding belt) of a belt sander (belt grinder)
10/06/1994DE4310485A1 Method for the operation of a circuit arrangement for controlling or regulating the acceleration (starting), braking and rotation speed of a three-phase asynchronous motor
09/1994
09/15/1994WO1994021027A1 Inverse speed motor, especially a universal motor, with a braking device
09/15/1994DE4307467A1 Electronically commutated asynchronous motor
09/14/1994EP0615331A1 A series electric motor particularly in the form of a universal motor with a braking device
08/1994
08/31/1994EP0530248B1 Process for stopping a rotating disk-shaped recording medium
08/30/1994US5343134 Method for checking brake torque
08/23/1994US5341080 Apparatus and three phase induction motor starting and stopping control method
08/18/1994WO1994018751A1 Method of detecting and regulating load on servomotor
08/17/1994EP0610671A1 Method of driving for automatic machines and device for the application of the said method
08/03/1994EP0608830A1 Motor control device
08/02/1994US5334919 Motor control system having improved dynamic braking
07/1994
07/27/1994EP0607646A1 Elevator velocity control
07/27/1994EP0607645A1 Regenerative elevator induction motor control
07/13/1994EP0605438A1 Battery-operated device.
07/12/1994US5329214 Motor drive circuit
07/06/1994CN1089067A Numerically-controlled flat-out electrical/power unit
07/05/1994US5327056 Circuit configuration for limiting the cutoff voltage on a servomotor
07/05/1994US5327055 Dynamic braking circuit for an electric motor
06/1994
06/28/1994US5325033 Circuit arrangement for influencing the start-up and/or braking behavior of three-phase A.C. non-synchronous motors
06/16/1994DE4241996A1 Bremssteuerschaltung für einen Scheibenwischerantrieb Brake control circuit for a windshield wiper drive
06/15/1994EP0601352A1 Braking device for a series commutator motor
06/15/1994EP0601189A1 Reluctance motor capable of regenerative braking and direct current motor
06/07/1994US5319292 Method and apparatus for preventing motoring while braking
06/01/1994EP0598921A1 Vector controller of induction motor
05/1994
05/31/1994US5317668 Motor control device for controlling motor speed depending on imparted load
05/10/1994US5311108 Control system for unidirectional motor having improved dynamic braking
04/1994
04/28/1994DE4336691A1 Industrial sewing machine - has electronic control to ensure penetration of leather goods in the correct position.
04/27/1994EP0594115A1 Method of operation for an electically braked electic motor and corresponding braking circuit
04/20/1994CN2162737Y Brake cabable for three-phase alternating current star connetion motor
04/06/1994EP0590377A2 Braking circuit for an electric motor
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