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