| 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) |
|---|
| 01/03/2001 | EP1064710A1 Integrated lithium battery protection circuit |
| 01/03/2001 | EP1064162A1 Method and device for operating an adjusting drive in a motor vehicle |
| 01/03/2001 | CN2413433Y Energy-saving device for intelligent power supply motor |
| 01/03/2001 | CN2413421Y Phase interruption self-controlling current breaker for three-phase motor |
| 01/03/2001 | CN2413420Y Over-voltage and over-current protector for switch power supply |
| 01/03/2001 | CN2413419Y Leakage protector with feeder protection function |
| 01/02/2001 | US6169648 Electronic motor protection system |
| 01/02/2001 | US6169489 Motor winding contamination detector and detection |
| 01/02/2001 | US6169337 Power supplying apparatus for a vehicle and an intensive wiring apparatus |
| 01/02/2001 | CA2171253C Electrostatic spray-coating apparatus |
| 12/28/2000 | WO2000079681A1 Load control system having an overload protection circuit |
| 12/28/2000 | WO2000079676A1 Direct current motor safety circuits for fluid delivery systems |
| 12/28/2000 | WO2000079664A1 Electrical circuit breaker for protecting against overcurrents |
| 12/28/2000 | DE19927389A1 Schaltung zum Detektieren eines unzulässig hohen Stromes in einer Endstufe A circuit for detecting an inadmissibly high current in an output stage |
| 12/27/2000 | EP1062715A1 Electric motor unit, in particular for motor vehicle, incorporating a control electronics |
| 12/27/2000 | CN2412307Y Mixer master protecting monitor |
| 12/27/2000 | CN2412306Y Load monitoring type electric machine protector |
| 12/27/2000 | CN1278116A Comprehensive protection method for bus bar |
| 12/26/2000 | US6167329 Dual microprocessor electronic trip unit for a circuit interrupter |
| 12/26/2000 | US6166932 DC-to-AC converter with over-current protection |
| 12/26/2000 | US6164129 Apparatus and methods for monitoring system environment of outdoor base station |
| 12/21/2000 | WO2000077906A1 An electrical machine winding ground-fault protection system |
| 12/21/2000 | WO2000077905A1 Circuit for detecting an inadmissibly high current in an output stage |
| 12/20/2000 | EP1061374A2 Active ground fault disconnect |
| 12/20/2000 | EP1060551A1 Adaptive distance protection system |
| 12/20/2000 | CN1277741A Overcharge protection device and methods for lithium-base rechargeable batteries |
| 12/19/2000 | US6163266 Fan operation detection circuit for a DC fan and method of operation thereof |
| 12/14/2000 | WO2000048281A3 Distributed logic in multiple protective relays |
| 12/13/2000 | CN2410801Y Phase interruption protector for electric motor |
| 12/13/2000 | CN2410800Y Water-pumping automatic controller with electric motor all process protector |
| 12/13/2000 | CN1276639A Transmission synchronization method of current differential relaying device |
| 12/12/2000 | US6160955 Control circuits of an apparatus for physical exercises |
| 12/12/2000 | US6160694 Electronic bridge and half-bridge circuits with suppression of high-voltage transients on the power supply line |
| 12/12/2000 | US6160690 Distribution control system and distribution control method capable of isolating fault section without fail |
| 12/12/2000 | US6160414 Method for diagnosing abnormality of circuit member of inverter driving controller for driving and controlling motor |
| 12/12/2000 | US6160381 Battery pack protection circuit and battery pack including a protection circuit |
| 12/11/2000 | CA2311099A1 Overload protector with control element |
| 12/07/2000 | WO2000074196A1 Current distribution system |
| 12/07/2000 | WO2000074194A1 An electrical machine winding ground-fault protection system |
| 12/07/2000 | WO2000038205A9 Window control apparatus |
| 12/07/2000 | DE19962112A1 Power module has information transmission stage for receiving decision value from external unit, outputting to decision value storage device, and outputting stored decision value to external unit |
| 12/07/2000 | DE10014073A1 Safety device of power window in motor vehicles, has position sensor which detects angular position of drive motor from which opening-closing position of window glass is detected and controlled |
| 12/06/2000 | EP1057715A2 Electrical power steering apparatus with temperature dependent current limitation |
| 12/06/2000 | EP1057702A2 Wiper control apparatus |
| 12/06/2000 | CN2409697Y Drop-off permanent magnet sectionalizing device |
| 12/06/2000 | CN2409696Y Phase interruption protecting switch for three-phase electric machine |
| 12/06/2000 | CN2409695Y Intelligent protector for electric machine |
| 12/06/2000 | CN1275832A Controller for constant speed ac induction motor |
| 12/05/2000 | US6157551 Electronic transformer for lighting |
| 12/05/2000 | US6157097 Protecting method for inrush current preventing resistor |
| 11/30/2000 | WO2000072423A1 Method for operating an electric motor, and an electric motor for carrying out such a method |
| 11/30/2000 | WO2000072422A1 An electrical machine winding ground-fault protection system |
| 11/30/2000 | WO2000072098A1 Method for nonvolatile storage of at least one operating data value of an electrical motor and electrical motor for said method |
| 11/30/2000 | DE19936407A1 Device for compensating mains failures and voltage dips |
| 11/30/2000 | DE19930685A1 Electronic circuit for detecting short circuit in electric motor evaluates component in inverter voltage having six times supply frequency |
| 11/30/2000 | DE19924413A1 Motorschutzschalteranordnung für einen elektrischen Motor Motor protection switch assembly for an electric motor |
| 11/29/2000 | EP1056180A2 Motor protection switch for electric motor |
| 11/29/2000 | EP1056103A1 Improved motor driven switch |
| 11/29/2000 | CN2408603Y Phase lost protector for motor |
| 11/29/2000 | CN1274976A Distribution control device |
| 11/28/2000 | US6154009 Power supply monitoring IC and battery pack |
| 11/28/2000 | US6153993 Method and apparatus for controlling a brushless DC motor that indicates a motor failure |
| 11/28/2000 | US6153990 Relay circuit for high-voltage operation of a bi-directional DC motor |
| 11/28/2000 | US6153948 Electronic circuits with wide dynamic range of on/off delay time |
| 11/23/2000 | WO2000070631A2 A method for overcurrent protection in a superconducting cable |
| 11/23/2000 | DE19958934A1 Motor control unit for controlling switching element of each switching arm and regulating current supplied to motor in vehicle, has high voltage and low voltage switching units and temperature detection diodes |
| 11/23/2000 | DE10024636A1 Nonvolatile storage of electric motor operating data by updating variables using microprocessor at predetermined times |
| 11/23/2000 | DE10024485A1 Operating method for electronic commutating electric motor, using microprocessor controller and non-transient memory to store normal operating motor parameter for comparison with monitored values during operation |
| 11/23/2000 | DE10006438A1 Power supply controller for motor vehicle, has FET to control power to load depending on over current condition and stops protection circuit when gain rate of load current is less than preset value |
| 11/22/2000 | CN2407493Y Three phase protector with real time protection |
| 11/22/2000 | CN2407492Y Energy saving controlling protector for three phase motor |
| 11/22/2000 | CN2407491Y Large capacity high speed switch |
| 11/22/2000 | CN1274187A Electronic thermorelay |
| 11/21/2000 | US6150879 Semiconductor apparatus for use in low voltage power supply |
| 11/21/2000 | US6150792 Phase monitor |
| 11/21/2000 | US6150785 Method for controlling the closing process of closing devices with at least one part moved by an electromotor |
| 11/21/2000 | US6150784 Method of detecting foreign matter caught by window in power window device |
| 11/21/2000 | US6150782 Process for detecting abutment and blocking in an electric motor |
| 11/15/2000 | EP1051787A1 Method for symmetrizing asymmetric faults |
| 11/15/2000 | EP1051674A1 Protection system |
| 11/14/2000 | US6147845 System interconnection device and method of designing same |
| 11/14/2000 | US6147844 Quench protection for persistant superconducting magnets for magnetic resonance imaging |
| 11/14/2000 | US6147615 Speed detecting device for a direct current motor, and electric fan with a motor speed detecting device |
| 11/14/2000 | US6147546 Zero volt/zero current fuse arrangement |
| 11/09/2000 | WO2000067368A1 Electronically commutable motor, in particular, for a liquid pump |
| 11/09/2000 | DE19963450A1 Power supply device e.g. for battery-operated electric hand tool, has temperature of step-down transformer monitored by thermal protection switch for automatic disconnection from mains supply |
| 11/09/2000 | DE19920443A1 Anordnung zur Strombegrenzung mit einem supraleitenden Transformator Arrangement for current limiting with a superconducting transformer |
| 11/08/2000 | EP1050943A2 Electronic motor protection system |
| 11/08/2000 | EP1050892A1 Current limiting device for superconducting transformer |
| 11/08/2000 | CN2405379Y Economizing and protection device for electric sewing machine |
| 11/08/2000 | CN2405363Y Arrangement for protecting overcharing/overdischarging for lithium ion battery set for electric vehicle |
| 11/08/2000 | CN2405362Y Phase interruption protection arrangement for three-phase power supply |
| 11/08/2000 | CN1272970A Redundant communications in protective relay |
| 11/07/2000 | US6144192 Abnormal heavy current production preventing apparatus |
| 11/03/2000 | CA2283363A1 Synchronous linear machine for protective relaying |
| 11/02/2000 | WO1999052121A9 Motor operator for overhead air break electrical power distribution switches |
| 11/02/2000 | DE19919462A1 Elektronisch kommutierbarer Motor, insbesondere für eine Flüssigkeitspumpe Electronically commutatable motor, in particular for a liquid pump |
| 11/02/2000 | DE19918907A1 Electronic switching device for fan motor drive in vehicle, has control circuit with input unit for user settings, and electromechanical coupler having stepper motor with two gearwheels for generating linear movement |
| 11/02/2000 | DE10014072A1 Power window safety device for motor vehicle, includes position detection circuit which detects open position of window glass inorder to estimate closed position based on which safety control area is set-up |
| 11/01/2000 | CN1272241A Rotating electric machine |