| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 05/10/2001 | DE19948396A1 Temperature monitoring and safety module for electric motor e.g. for blind or vibrator, is mounted separate from stator laminations packet with response temperature selected for compensating heat transfer loss |
| 05/10/2001 | DE10049385A1 Current detector for three-phase brushless direct current motor, has buffers which detect neutral point voltage of motor and voltage with respect to motor rotation speed, based on which motor current is determined |
| 05/10/2001 | DE10010050A1 Safety control method for automobile electric window or sliding roof has closure movement preceded by initial short-term opening movement |
| 05/10/2001 | CA2389500A1 Method of regulating the electrical voltage and device for carrying out said method |
| 05/09/2001 | EP1098417A1 Electrical drive |
| 05/09/2001 | CN2429947Y Phase-off protecting knife switch for three phase motor |
| 05/09/2001 | CN1294433A Digital protecting switch |
| 05/09/2001 | CN1065684C Hybrid alternator having voltage regulator |
| 05/08/2001 | US6229721 High voltage power supply apparatus |
| 05/08/2001 | US6229681 Switching mode power supply apparatus having a low voltage protection circuit |
| 05/08/2001 | US6229276 Movable barrier operator |
| 05/03/2001 | WO2001031665A1 Silicon equivalent ptc circuit |
| 05/03/2001 | DE19947105A1 Anorndung zum Ein- und Ausschalten elektrischer Lastkreise Anorndung on and off electrical load circuits |
| 05/03/2001 | DE10051379A1 Car window drive safety system checks on window movement and position whether open or closed giving data-based safety control system preventing jams. |
| 05/02/2001 | EP1096652A1 Power supply device of switching mode |
| 05/02/2001 | EP1096633A2 Method of detecting pinching of object in power window device |
| 05/02/2001 | CN1065333C Apparatus for controlling of refrigerant circulation |
| 05/01/2001 | US6226163 Device and method relating to protection of an object against over-currents comprising over-current reduction |
| 05/01/2001 | US6225779 Power supply monitoring integrated circuit device for individually monitoring voltages of cells |
| 05/01/2001 | US6225769 Device for operating an electric motor |
| 04/26/2001 | WO2001029356A1 Improvements to automobile anti-pinching systems |
| 04/26/2001 | WO2000059094A3 Devices and methods for protection of rechargeable elements |
| 04/25/2001 | EP1093681A1 Solid state overload relay |
| 04/25/2001 | EP1093680A1 Adaptive sampling rate based on power system frequency |
| 04/25/2001 | EP0954771A4 System and method for providing backup protection in a power substation |
| 04/25/2001 | CN2427914Y Automatic protection switch controller for transformer |
| 04/25/2001 | CN1292941A Electric motor unit, in particular for motor vehicle, incorporating control electronics |
| 04/25/2001 | CN1292561A Active earth fault turn-off |
| 04/25/2001 | CN1292491A Fluid-filled electric equipment intelligent analytical system and method |
| 04/24/2001 | US6222716 Power line protection devices and methods for providing overload protection to multiple outputs |
| 04/24/2001 | US6222711 Bus-bar protection relay equipment |
| 04/24/2001 | US6222709 Device and method for supplying electric power to a load |
| 04/24/2001 | US6222437 Surface mounted magnetic components having sheet material windings and a power supply including such components |
| 04/24/2001 | US6222355 Power supply control device for protecting a load and method of controlling the same |
| 04/18/2001 | EP1092981A2 Apparatus and method for measuring current |
| 04/18/2001 | EP1092256A1 Detection of faults on transmission lines in a bipolar high-voltage direct current system |
| 04/18/2001 | EP1092227A1 Motor operator for overhead air break electrical power distribut ion switches |
| 04/18/2001 | EP0746684B1 Soft-start pump control system |
| 04/17/2001 | US6219599 Device and process for electronic monitoring of an adjusting drive in a vehicle |
| 04/17/2001 | US6219214 Switching circuit protection apparatus and method |
| 04/17/2001 | CA2219368C A method and a device for detecting and handling short-circuit phenomena for power semiconductor devices of turn-off type connected in series |
| 04/17/2001 | CA2218941C Method and apparatus for limiting current in a direct voltage network of a power transmission system |
| 04/12/2001 | DE19947411A1 System for limiting overcurrent for AC mains, comprises impedance connected parallel to series circuit of vacuum switch and current limiting element |
| 04/11/2001 | CN1290615A Controller for AC electric locomotive |
| 04/10/2001 | US6215265 System and method for controlling activating actuator motors for various mechanisms, such as roller shutters, awnings and movies screens |
| 04/10/2001 | US6215263 Motor operator for over-head air break electrical power distribution switches |
| 04/10/2001 | US6215201 Power window switch device |
| 04/07/2001 | CA2323009A1 Protection system for devices in an electrical distribution network |
| 04/04/2001 | EP1089308A2 Device for switching-on and switching-off of a power circuit |
| 04/04/2001 | EP1088318A2 Device for safely disconnecting an electrical load with especially high inductivity from an electrical dc-voltage supply |
| 04/04/2001 | CN2426242Y Acummulator state monitoring and open loop protection device for converting station |
| 04/04/2001 | CN2426241Y Three-phass loss and counter phase sequence motor protector |
| 04/04/2001 | CN1290059A Method for protecting power transmission line and travelling wave sensor for it |
| 04/04/2001 | CN1290058A Device and method for detecting overheated power transistors of phase inverter |
| 04/03/2001 | US6211792 Method and apparatus detecting a failed thyristor |
| 04/03/2001 | US6211684 Internal unbalance detection in capacitors |
| 04/03/2001 | CA2055466C Method and apparatus for monitoring an ac transmission line |
| 03/29/2001 | WO2001022107A1 Battery power source protecting device for an electromotive device |
| 03/29/2001 | WO2001021920A1 Method for limiting the closing force of movable components |
| 03/29/2001 | DE10042338A1 Motor drive controller reduces current to motor coil according to temperature difference between upper temperature threshold and actual temperature of power switching element |
| 03/29/2001 | DE10034775A1 Vorrichtung zum Schutz gegen die durch Wechselstromgeneratoren erzeugten Überspannungen Device for protection against surges generated by alternators |
| 03/28/2001 | EP1086473A1 Surface mounted magnetic components having sheet material windings and a power supply including such components |
| 03/28/2001 | CN1289470A Method for symmetrizing asymmetric faults |
| 03/28/2001 | CN1063896C Load drive apparatus including power transistor protection circuit from over current |
| 03/28/2001 | CN1063885C Protecting device for brushless motor |
| 03/28/2001 | CN1063877C Circuit unit for charging capacitor |
| 03/27/2001 | US6208536 Safety device for a drive mechanism |
| 03/27/2001 | US6208528 Power supply with surface mounted magnetic components having sheet material windings |
| 03/27/2001 | US6208242 Circuit configuration to monitor a regulated output voltage in a motor vehicle |
| 03/27/2001 | US6208159 Machine press motor load monitor |
| 03/27/2001 | US6208101 Process for limiting the excess force of an electrically controlled aggregate actuated by an external force when it nears its top or bottom stop positions, in particular for a motor vehicle window lifter nearing its closure position |
| 03/27/2001 | US6208100 Motor overload coil control |
| 03/22/2001 | WO2001020765A1 Electronically commutatable motor comprising an electronic control unit |
| 03/22/2001 | WO2001020764A1 Electronically commutable motor |
| 03/22/2001 | DE19944198A1 Elektronisch kommutierbarer Motor Electronically commutated motor |
| 03/22/2001 | DE19944197A1 Elektronisch kommutierbarer Motor Electronically commutated motor |
| 03/22/2001 | DE10028088A1 Stromdifferenzrelaiseinrichtung Current differential relay device |
| 03/21/2001 | EP1085635A2 Fluid-filled electrical equipment intelligent analysis system and method |
| 03/21/2001 | CN2424575Y Intelligent energy saving drive appts. of oil field beam-pumping unit |
| 03/21/2001 | CN2424558Y Full automatic phase loss protector for monitoring motor |
| 03/21/2001 | CN2424468Y Automatic protecting watt-hour meter when leakage |
| 03/21/2001 | CN1287930A Electric motor driving unit, and method for testing fault of electric motor driving unit |
| 03/21/2001 | CN1063593C Hybrid alternator with voltage regulator |
| 03/20/2001 | US6205010 Switch circuit having protection function to interrupt input of control signal |
| 03/20/2001 | US6204648 DC-to-DC converter capable of preventing overvoltage |
| 03/20/2001 | US6204642 Method and apparatus for modifying limit and protection software in a synchronous generator exciter to match the capability of the turbine-generator |
| 03/20/2001 | US6204571 Multiple power supply unit with improved overcurrent sensitivity |
| 03/20/2001 | US6204549 Overvoltage protection device |
| 03/20/2001 | CA2095811C Communication interface for bus connected circuit breakers |
| 03/15/2001 | WO2001018935A1 Method for controlling an adjustment device that is driven in an electromotorical manner and used for window lifters for instance and a device for carrying out said method |
| 03/15/2001 | DE19941488A1 Schutzschaltung für eine Reihenschaltung aus Leistungshalbleiter-Endschalter und Motor Protection circuit for a series connection of power semiconductor limit switches and motor |
| 03/15/2001 | DE19941475A1 Verfahren zum Begrenzen der Schließkraft von beweglichen Teilen Method for limiting the closing force of movable parts |
| 03/15/2001 | DE10017861A1 Störungsüberwachung Fault monitoring |
| 03/14/2001 | EP1083654A2 Motor drive unit and method of detecting malfunction of the motor drive unit |
| 03/14/2001 | EP1082798A1 Electronic tripping device for a circuit breaker |
| 03/14/2001 | EP1082797A1 Fault data synchronization via peer-to-peer communications network |
| 03/14/2001 | CN2423694Y Self-feed power-supply type three-limit bidirectional protective circuit of acoustic equipment loudspeaker system |
| 03/14/2001 | CN1287704A Battery pack protection circuit |
| 03/14/2001 | CN1287702A Device for safely disconnecting an electrical load with especially high inductivity from an electrical DC-voltage supply |
| 03/14/2001 | CN1287635A Protection system |