Patents for H02P 3 - Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters (5,905)
06/1999
06/30/1999EP0926794A1 Electronic device for modelling the temperature of a motor
06/24/1999DE19857906A1 Procedure for controlling and protecting electric motors used in models, especially of aeroplanes, ships and cars
06/23/1999EP0924848A2 Series motor with commutator
06/22/1999US5914583 Motor control for box printing equipment
06/22/1999US5914576 Locking devices and control circuitry for permanent magnet electric motors
06/16/1999EP0923191A1 Commutation controller
06/16/1999CN2324681Y Fire-extingurishing electric control cabinet
06/16/1999CN1219799A Commutation controller
06/09/1999EP0921028A2 Electric motor rotor holding arrangement
06/08/1999US5910718 Motor control apparatus
06/02/1999EP0920119A1 Dynamic braking system for electric motors
05/1999
05/18/1999US5905366 Method and apparatus for powering an electrical circuit using an isolated winding
05/18/1999US5905354 Motor stopped verification sensor
05/12/1999EP0915556A2 Electric motor with brake
05/06/1999EP0913922A1 Quick set electric motor brake control
05/06/1999DE19748496A1 Operating a brake for the drive motor of a camera carriage
05/05/1999CN1043281C Motor driven door device
04/1999
04/29/1999CA2246078A1 Quick set electric motor brake control
04/27/1999US5898284 Vehicle sliding door opening/closing control device
04/20/1999US5896283 Controller for electric vehicle
04/20/1999US5894881 Fan powered aftercooler and control circuit for locomotive compressors having no integral aftercooler
04/15/1999DE19745307A1 Series motor for electric tool
04/08/1999WO1999017414A1 Method for detecting and disconnecting a jammed or overloaded permanently excited direct current engine
04/08/1999WO1999017172A1 Electronically controlled mechanical clock and a method of controlling the same
04/08/1999WO1999017171A1 Rotation control apparatus and rotation control method
04/08/1999DE19813143A1 Emergency switching system for motors, e.g. for use in robots and machine tools
04/08/1999DE19743234A1 Verfahren zur Erkennung und Abschaltung eines blockierten oder überlasteten permanenterregten Gleichstrommotors A method for detection and control of a blocked or congested permanent magnet DC motor,
04/07/1999CN1042882C Phase-control method for stopping drive smoothly
04/06/1999US5892885 Variable speed control switch for direct current electric power tools
04/06/1999US5892341 Quick set electric motor brake control
03/1999
03/31/1999EP0905875A1 Electric brake resistance
03/31/1999CN1042780C Elevator controlling unit
03/25/1999WO1999014835A1 Control system using an electric motor
03/24/1999EP0903279A2 Electric power steering apparatus
03/24/1999EP0903258A2 Control system for hybrid vehicle
03/24/1999CN1211649A Washer
03/18/1999DE19740016A1 Method of operating an electromagnetically actuated brake for an electric motor, esp. a geared motor
03/10/1999CN1210354A Apparatus and method for controlling electric motor
03/09/1999US5880570 Method and apparatus for controlling a synchronous motor
03/09/1999US5879062 Regenerative control apparatus of electric vehicle
03/04/1999WO1999010975A1 Method and circuit arrangement for operating an electromagnetically actuated mechanical brake of an electric motor
03/04/1999DE19749608C1 Electric motor with automatic braking at shut-down
03/03/1999EP0899595A2 Method and apparatus for actuating a shutter
03/03/1999CN1209686A Electric control device
03/02/1999US5877604 Circuit for operating an electric motor
02/1999
02/25/1999DE19734405A1 Method of operating electric motor with electromagnetic brake
02/24/1999EP0898293A2 Apparatus and method for controlling an electric motor apparatus
02/24/1999EP0898292A2 Electric control apparatus
02/24/1999EP0897609A1 Method and device for braking an all-mains motor
02/23/1999US5874873 Electric control apparatus
02/17/1999CN1208280A Switch apparatus for electromagnetic controlling assembly
02/02/1999US5867357 Dynamic protection circuit for a motor type load
02/02/1999CA2119333C Auxiliary crawling device
01/1999
01/20/1999EP0892491A1 Switching device for electromechanically actuated assemblies
01/20/1999EP0892482A1 Brake arrangement associated with an electric motor
01/19/1999US5861724 Regenerative braking apparatus and method for direct current motors
01/14/1999WO1999001926A1 Electric motor and method for operating such a motor
01/12/1999US5859509 Adjustable speed control for children's ride-on vehicle
01/07/1999EP0888669A1 Series motor, in particular universal motor, with braking means
01/07/1999EP0852084A4 Switching circuit with lockout feature
01/07/1999EP0770027A4 Overload detector for servo driven machines
12/1998
12/30/1998CN1203471A Dynamic protection circuit for motor type load
12/23/1998EP0886360A2 Dynamic protection for a circuit for a motor type load
12/19/1998CA2237642A1 Dynamic protection circuit for a motor type load
12/16/1998EP0883724A1 Variable drive with protection against jamming for movable parts
12/10/1998WO1998056103A1 Regenerative braking apparatus and method for direct current motors
12/09/1998CN1201565A Switching circuit with lockout feature
12/08/1998US5847533 Procedure and apparatus for braking a synchronous motor
12/08/1998US5847522 Locking devices and control circuitry for permanent magnet electric motors
12/02/1998EP0815639B1 Circuit for driving an electric motor
11/1998
11/25/1998CN1199953A Process and control device for motor output suitable for being controlled through communication bus
11/19/1998DE19719990A1 Brake for electric motor, esp. for moving control elements in motor vehicle
11/17/1998US5838133 Switched reluctance motor controller
11/12/1998DE19820667A1 Motor starter control method
11/11/1998EP0780032B1 Circuit for operating an electric motor
11/10/1998US5834658 Method for monitoring the path of movement of a part
11/04/1998EP0780031B1 Circuit for operating an electric motor
10/1998
10/27/1998US5828196 Apparatus and method for controlling an electric motor
10/27/1998US5828195 Method and apparatus for electronic braking of an electric motor having no permanent magnets
10/27/1998US5828194 Control circuit for control of a direct-current motor normally excited in series including structure for separate excitation during braking
10/22/1998DE19714538A1 Rapid-switching rectifier for controlling magnetic coil of brake or clutch
10/20/1998US5825154 Phase control method of stopping a drive smoothly
10/20/1998US5825147 Control system for a vehicle having a moveable vehicle body member
10/20/1998US5825143 Method and apparatus for slowing back spin of a rod string of a progressing cavity pump powered by an electric motor when power is lost
10/13/1998US5820349 Rotary compressor with reverse rotating braking
10/01/1998DE19702195C1 Universal motor with brake unit and given defined direction of rotation esp. for hand operated electric tools
09/1998
09/30/1998EP0867065A1 Series motor with electrical brake
09/30/1998CN1194498A Device and method for braking motor
09/30/1998CN1194497A Demagnetization circuit of generator
09/29/1998US5814955 Motor control circuit with a low voltage monitor
09/29/1998US5814954 Method of and an apparatus for protecting a regenerative resistor in an inverter for driving a servomotor
09/22/1998US5809966 Method and arrangement for controlling a positioning device of an internal combustion engine
08/1998
08/19/1998CN1190821A Two-polar time constant thermal protection for electric power switch unit
08/18/1998US5796221 Overload detector for servo driven machines
08/18/1998US5796192 Energy-saving electric drive for small vehicles
08/12/1998EP0858151A1 Apparatus and method for braking electric motors
08/11/1998US5793171 Control circuit for controlling the driving of a DC motor for a mirror assembly of a vehicle
08/11/1998US5791057 Electromotive chain saw
08/04/1998US5789885 Electric motor with field-current-generated magnetic-field brake
07/1998
07/22/1998EP0854481A1 Braking system for a DC motor
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