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) |
---|
02/03/1998 | US5714854 On-car motor driving apparatus and self-diagnosing and selective driving mechanisms for the same |
01/29/1998 | WO1998003376A1 Circuit arrangement for controlling a wiper motor |
01/29/1998 | DE19629597A1 Schaltanordnung zur Ansteuerung eines Wischermotors Switching arrangement for actuating a wiper motor |
01/28/1998 | EP0820255A1 Motor controlled surgical system and method having positional control |
01/28/1998 | CN2273465Y Phase-defect and overload protector for electric motor |
01/28/1998 | CN1171714A System of communication output function status indications between two or more power system protective relays |
01/28/1998 | CN1037221C Inverter control method and apparatus |
01/27/1998 | US5712796 Method for evaluating the faulted sections and states in a power transmission line |
01/27/1998 | US5712775 Startup protecting for a switch mode power supply |
01/27/1998 | US5712550 Apparatus for controlling a power control element of a drive unit of a motor vehicle |
01/27/1998 | US5712548 Bi-directional motor actuator |
01/22/1998 | WO1998002948A1 Circuitry for a high-voltage cable installation |
01/22/1998 | WO1998002631A1 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 |
01/22/1998 | DE19729883A1 Power control system for auxiliary drive unit of electric hybrid-vehicle |
01/22/1998 | DE19629483A1 Monitoring system for electrical machine star-connected stator windings |
01/22/1998 | DE19628238A1 Electrically powered door control method |
01/21/1998 | EP0730721B1 Electronic control arrangement for motor-driven refrigeration compressors |
01/21/1998 | CN2273071Y Reactive compensator for multiplex phase interruption sound and light alarm and automatic power cut-off arrangement |
01/21/1998 | CN1170983A Multiple fault detector for multiway electric appliance winding |
01/20/1998 | US5710471 Hybrid alternator with full output at idle |
01/15/1998 | WO1998001944A1 Method for diagnosing abnormality of circuit member of inverter driving controller for driving and controlling motor |
01/15/1998 | DE19629481A1 Schaltungsanordnung für eine Hochspannungskabelanlage Circuit arrangement for a high voltage cable system |
01/14/1998 | EP0818889A2 Gate voltage limiting for a circuit arrangement |
01/14/1998 | EP0818866A2 Abnormality detecting device for a phase advancing capacitor |
01/14/1998 | EP0818077A1 Hybrid alternator |
01/14/1998 | CN2272630Y Multi-function safety electronic transformer |
01/14/1998 | CN2272625Y Branch circuit breaker |
01/14/1998 | CN1170480A Circuit and process for operating adjusting drive |
01/14/1998 | CN1170479A Circuit for detecting overload in adjusting drive |
01/14/1998 | CN1170280A Protection circuit |
01/14/1998 | CN1170275A Driving circuit for switched reluctance motor |
01/14/1998 | CN1037047C Arrangement for detecting stator earth leakages in three-phase current machines |
01/13/1998 | US5708576 Fault tolerant power converter |
01/13/1998 | US5708351 Battery pack with a lithium ion secondary battery |
01/13/1998 | US5708338 System and method for controlling vehicle sliding door |
01/13/1998 | US5708336 Thermal control system for a motor |
01/13/1998 | US5708335 On-car motor driving apparatus and self-diagnosing and selective driving mechanisms for the same |
01/13/1998 | US5708277 Optically coupled device with high current protection |
01/08/1998 | DE19626528A1 High-power voltage converter e.g. for electric drives on railways |
01/07/1998 | EP0817347A2 Rotary current motor monitoring and corresponding apparatus |
01/07/1998 | EP0817346A1 Protection device against the effects of internal faults in an electrical apparatus |
01/07/1998 | EP0815631A1 Method for monitoring and controlling the opening and closing process of electrically powered units |
01/07/1998 | EP0815610A1 Battery pack having under-voltage and over-voltage protection |
01/07/1998 | EP0740860A4 High speed overvoltage detection and protection circuit |
01/07/1998 | EP0717885B1 Safety device for moving parts |
01/07/1998 | CN2272162Y Computerized motor protection |
01/07/1998 | CN1169799A Electrostatic discharge circuit for high speed, high voltage cricuit |
01/07/1998 | CN1169619A Microprocessor based motor control system with phase difference detection |
01/07/1998 | CN1169553A Battery capacity predicting method, Battery unit and apparatus using battery unit |
01/06/1998 | US5706187 Switching power source circuitry having a current bypass circuit |
01/06/1998 | US5706153 Programmer for starter |
01/06/1998 | US5705914 Overvoltage detecting apparatus for combination battery |
01/02/1998 | DE19628203C1 Verfahren zur Begrenzung der Überschußkraft eines elektrisch gesteuerten, fremdkraftbetätigten Aggregats beim Anfahren seiner Schließposition, insbesondere beim Anfahren der Schließposition eines Fensterhebers eines Kraftfahrzeugs A method of limiting the excess force of an electrically controlled, externally powered unit when starting its closed position, especially when approaching the closed position of a window lifter of a motor vehicle |
12/31/1997 | WO1997050162A1 Motor driving apparatus |
12/31/1997 | CN1169049A Capacity judging apparatus of capacitor in power converter outputting three level voltage |
12/30/1997 | US5703459 Driver for an induction motor |
12/30/1997 | US5703451 Motor driving circuit |
12/30/1997 | US5703412 Energy reservoir protection apparatus in vehicle occupant protection system |
12/29/1997 | EP0814395A2 Overcurrent sensing circuit for power mos field effect transistor |
12/28/1997 | CA2208915A1 Support chip for microprocessor based products powered from noisy ac sources |
12/24/1997 | WO1997048868A1 Window opening and closing apparatus |
12/24/1997 | CN1168568A Protecting device for brushless motor |
12/23/1997 | US5701226 Apparatus and method for distributing electrical power |
12/23/1997 | US5701070 Electrical generator damage protection apparatus and method with circuit breaker trip initiation |
12/23/1997 | US5701063 Obstruction-sensing system for a movable member |
12/23/1997 | US5701044 Process and device for monitoring the temperature of an electric generator |
12/23/1997 | CA2028055C Overload protector for telecommunications systems |
12/18/1997 | WO1997048158A1 Device for electronically controlling a motor vehicle displacement mechanism |
12/18/1997 | DE19724952A1 Electrically operated road-vehicle window |
12/18/1997 | DE19623420A1 Vorrichtung zur elektronischen Überwachung eines in einem Fahrzeug angeordneten Verstellantriebs Device for electronically monitoring an adjusting drive arranged in a vehicle |
12/17/1997 | EP0813282A1 Ground fault detection apparatus for a device connected to a power distribution or transmission network, and corresponding method |
12/17/1997 | EP0812487A1 Protective circuit for series-connected power semiconductors |
12/17/1997 | EP0758497B1 Differential current protection for a transformer |
12/17/1997 | CN2271059Y Overcurrent overvoltage self-protective magnetic field internal earthing field effect electronic voltage regulator |
12/17/1997 | CN1168022A Motor start-up circuit |
12/16/1997 | US5699239 Power supply control circuit |
12/16/1997 | US5699222 Apparatus and method for programming and reviewing a plurality of parameters of electrical switching device |
12/16/1997 | US5698957 Over current protective circuit with time delay for a floor cleaning machine |
12/16/1997 | US5698887 Semiconductor protection circuit |
12/11/1997 | WO1997047064A1 Transformer with protection device |
12/10/1997 | EP0812047A2 Programmer for starter |
12/10/1997 | EP0721686B1 Method and device for measuring and recreating the load current in a power network in connection with the occurrence of faults |
12/10/1997 | EP0658289B1 Process and device for driving a multiplicity of loads |
12/10/1997 | CN2270306Y Sectionalizer for distribution line |
12/04/1997 | WO1997045905A1 An installation for power transmission by means of high-voltage direct current, comprising device for detection of a permanent ground fault |
12/04/1997 | WO1997045222A1 Control device for boring machine |
12/04/1997 | WO1997045054A2 Motor controlled surgical system and method having self clearing motor control |
12/04/1997 | CA2251228A1 Motor controlled surgical system and method having self clearing motor control |
12/03/1997 | EP0810721A2 Welding converter device |
12/03/1997 | EP0810714A2 System of communicating output function status indications between two or more power system protective relays |
12/03/1997 | EP0810712A2 Circuit arrangement for controlled injection |
12/03/1997 | EP0810707A2 Earth leakage-current protection system |
12/03/1997 | EP0810444A1 Diagnosys circuit for possible faults during the driving phase of an electric load by a bridge stage |
12/03/1997 | EP0809822A1 Delayed safety braking apparatus for a servomotor control system |
12/03/1997 | CN2269664Y Friction protector for motor rotor and stator |
12/03/1997 | CN2269663Y Short circuit protective device for plant varied transformation or excited transformation |
12/02/1997 | US5694305 Method and apparatus for protection of electronic circuitry |
12/02/1997 | US5694020 Battery powered electrical shaver or hair cutter |
12/02/1997 | US5694018 Apparatus for charging a battery |
12/02/1997 | US5694011 Windshield wiper control with stall protection |