Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905)
05/1997
05/02/1997EP0770027A1 Overload detector for servo driven machines
05/01/1997WO1997015872A2 Process for monitoring the path of displacement of a part
04/1997
04/30/1997DE19548976C1 Network-independent braking circuit for hand-tool series motor
04/30/1997DE19539577A1 Verfahren zum Überwachen des Bewegungswegs eines Teils A method of monitoring the path of movement of a part
04/22/1997US5623193 Electrical device such as an electrical shaver or hair cutter
04/16/1997CN2252450Y One-chip computer controlled inertial oscillation machine stopping and vibration damper
04/15/1997US5621295 Device for driving using an electric motor comprising means for measuring the displacement of the driven body
04/08/1997CA2036026C Electric motor controller with bypass contactor
04/02/1997EP0697898A4 Ambulatory infusion pump
03/1997
03/27/1997WO1997011523A1 Switching circuit with lockout feature
03/20/1997WO1997010512A1 Motor revolution stop confirmation sensor
03/13/1997WO1997009769A1 Brake in an electric motor
03/12/1997EP0761850A1 Method for starting up and braking a carding machine and switching system for driving a carding machine
03/12/1997EP0761492A1 Fail check device and method for AC motor control circuit
03/12/1997EP0761398A1 A combination of a saw chain stopping and a brake drum stopping device for an electromotive chain saw
02/1997
02/13/1997WO1997005691A1 Dynamic brake device of servo motor
02/12/1997CN1142876A Phase-control method for stopping a drive smoothly
02/05/1997EP0757421A2 Equipment for limitation of fault current in 3-phase networks
01/1997
01/28/1997US5598072 Regenerative braking circuit utilizing separately excited motor
01/02/1997EP0598921B1 Vector controller of induction motor
12/1996
12/25/1996CN1138776A Elevator controlling unit
12/24/1996US5587640 Delayed safety braking apparatus for a servomotor control system
12/10/1996US5583412 Apparatus and method for controlling the deceleration of an electric motor
12/10/1996CA2082359C Method and apparatus for preventing motoring while braking
12/03/1996US5581165 Device for controlling rotational direction of a direct current motor and applying brake thereto
11/1996
11/28/1996DE19523848C1 Operation of invertor-fed induction motor driving braked hoist
11/21/1996DE19517757A1 Ring=spinning machine
11/20/1996EP0742970A1 Phase-control method for stopping a drive smoothly
11/19/1996US5577155 Rectifier based motor speed/brake control
11/13/1996CN1033297C Numerically-controlled flat-out electrical/power unit
11/05/1996US5571240 Apparatus and method for controlling sewing machine
11/05/1996US5571062 For a motor speed control circuit
10/1996
10/31/1996WO1996034450A1 Method and device for protecting regenerating resistor of servo motor for driving inverter
10/30/1996EP0740407A2 Braking device for a series commutator motor
10/16/1996EP0738032A2 Method for monitoring of movement of motorised adjustable objects
10/16/1996CN2237901Y AC power electronic switch cabinet
10/15/1996US5564677 Linear actuator with force switch for detecting axial load
10/09/1996CN1132961A Single-phase induction motor and refrigerator using single-phase induction motor
10/08/1996US5562059 Apparatus and method for controlling sewing machine
10/02/1996EP0735666A2 Control circuit for controlling the driving of a dc motor
10/02/1996EP0605438B1 Battery-operated device
10/02/1996CN1032948C Power failure stop circuit for a converter
10/01/1996US5561355 Motor drive apparatus and method of controlling the same
09/1996
09/19/1996WO1996028883A1 Circuit for driving an electric motor
09/18/1996EP0732799A1 Series motor with braking device
09/12/1996DE19508880A1 Schaltung zum Betreiben eines Elektromotors Circuit for operating an electric motor
09/03/1996US5552686 Series motor, in particular universal motor with brake device
08/1996
08/21/1996EP0727601A1 Linear actuator with force switch for detecting axial load
08/15/1996CA2168611A1 Linear actuator with force switch for detecting axial load
08/14/1996EP0726643A1 Method and device for braking the electric main drive of a printing machine
08/08/1996DE19540740C1 Braking circuit for series electric motor with adjustable brushes e.g. for electric power tools
08/07/1996CN2232640Y Efficient brake for electric motor
07/1996
07/31/1996CN1127956A Impulse on-off control circuit
07/24/1996CN1127441A Procedure and apparatus for braking a synchronous motor
07/17/1996EP0721694A1 Electric motor with an electrodynamic brake
07/17/1996EP0721693A1 Braking circuit for a universal motor
07/11/1996DE19548077A1 Drive controller for servomotor
07/11/1996DE19514257C1 Method of monitoring motion of objects with motorised adjustment, esp. motor car windows and sun roofs
07/10/1996EP0720782A1 A drive assembly for power operated doors
07/03/1996EP0720269A1 Stop control device for single-phase asynchronous motor with capacitor
07/03/1996EP0720268A1 Stop control device for single-phase asynchronous motor with capacitor
07/02/1996US5532568 Method for braking an alternating-current motor
06/1996
06/27/1996WO1996019858A1 Circuit and process for operating an adjusting drive
06/27/1996WO1996019857A1 Circuit for detecting overload in an adjusting drive
06/26/1996EP0718859A1 Device for the switching of an electric motor, in particular for braking an electric power tool
06/20/1996DE4445106A1 Schaltungsanordnung zum Detektieren eines Überlastzustands in einem Verstellantrieb Circuit arrangement for detecting an overload condition in an adjusting
06/20/1996DE4444762A1 Schaltungsanordnung und Verfahren zum Betreiben eines Verstellantriebs Circuit arrangement and method for operating an adjusting drive
06/11/1996US5524541 Method and apparatus for controlling the braking of a printing machine
05/1996
05/30/1996DE19542603A1 Braking circuit for single-phase series-wound commutator motor
05/29/1996EP0714162A2 Circuit to control an electronically commutated motor
05/15/1996EP0712007A2 Battery operated electric razor or hair clippers
05/15/1996CN1122562A Two-terminal time-delay and soft broken-circuit controller
05/14/1996US5517415 Method and apparatus for detecting a motor stall condition in an electric assist steering system
05/07/1996CA2027001C Dc braking of inverter-driven ac motors
05/01/1996EP0709278A1 Method and apparatus for detecting a motor stall condition in an electric assist steering system
05/01/1996EP0519034B1 Circuit for influencing the start-up and/or braking behaviour of three-phase asynchronous motors
04/1996
04/24/1996EP0707756A1 Electric motor braking
04/24/1996EP0707751A1 Process for controlling the d.c. motor used for moving a window in a motor vehicle
04/17/1996CN1120760A Servomotor
04/04/1996WO1996010223A1 Delayed safety braking apparatus for a servomotor control system
04/04/1996CA2201289A1 Delayed safety braking apparatus for a servomotor control system
04/03/1996EP0704961A1 Procedure and apparatus for braking a synchronous motor
03/1996
03/14/1996WO1996008066A1 Circuit for operating an electric motor
03/14/1996WO1996008065A1 Circuit for operating an electric motor
03/14/1996DE4432059A1 Schaltung zum Betreiben eines Elektromotors Circuit for operating an electric motor
03/14/1996DE4432058A1 Schaltung zum Betreiben eines Elektromotors Circuit for operating an electric motor
03/12/1996US5498944 Automatic focusing apparatus
03/06/1996EP0700148A1 Braking circuit for universal motors
03/06/1996EP0699550A2 Energy saving electrical drive for small vehicles
03/05/1996US5497057 Mechanical brake hold circuit for an electric motor
02/1996
02/29/1996DE4429962A1 Hand-operated electrical screw-driver with DC motor and braking circuit
02/28/1996EP0697898A1 Ambulatory infusion pump
02/27/1996US5495372 Motor drive circuit with emergency auxiliary power supply energized by motor
02/01/1996WO1996002443A1 Overload detector for servo driven machines
02/01/1996CA2193987A1 Overload detector for servo driven machines
01/1996
01/30/1996CA2070361C Method for decreasing the speed of an alternating current motor
01/17/1996EP0692862A2 Power supply to a stator of a polyphase reluctance machine
01/16/1996US5485047 Reluctance-type motor and a rotor for a reluctance-type high-speed motor
01/14/1996CA2153526A1 Power supply to a stator of a polyphase reluctance machine
01/09/1996US5482438 For a medical infusion pump
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