| 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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| 10/24/2002 | DE10119201A1 Method for measuring the winding temperature of drive motor e.g. for washing machine, requires measuring current flow through at least one winding of motor |
| 10/24/2002 | DE10115675A1 Operating motor, especially DC actuator motor, involves summing power loss derived from measured and threshold power values over period and comparing with upper threshold value |
| 10/23/2002 | EP1250741A1 Inrush current limiting circuit, power source device and power conversion device |
| 10/23/2002 | EP0988685A4 Supplemental battery overcharge protection device |
| 10/23/2002 | CN2518251Y Intelligence monitor of motor submersible pump |
| 10/23/2002 | CN1375923A 多功能复合接触器 Multifunctional composite contacts |
| 10/23/2002 | CN1093330C Comprehensive protection method for bus bar |
| 10/23/2002 | CN1093325C Buttery pack with battery protectino circuits |
| 10/22/2002 | US6469629 Distributed logic in multiple protective relays |
| 10/22/2002 | US6469461 Motor control apparatus |
| 10/17/2002 | WO2002082613A1 Jamming protection device for moving member |
| 10/17/2002 | US20020149350 Power supply circuit and an electronic control unit including the same |
| 10/17/2002 | US20020149334 Power window apparatus with function of foreign object detection |
| 10/17/2002 | US20020149333 AC motors for driving vehicle closures |
| 10/17/2002 | US20020149266 Input power stabilizing circuit |
| 10/17/2002 | US20020149261 Method and system for protecting electronics mounted on a vehicle |
| 10/17/2002 | DE10117892A1 Limiting circuit against overload of power supply, has timer for controlling current and/or voltage limiting element whose switching time is variable depending on output voltage |
| 10/16/2002 | EP1249915A2 Vehicle closure system |
| 10/16/2002 | EP1249060A1 Method for protecting an electrical motor against thermal overload |
| 10/16/2002 | CN2517159Y Passive electromagntic motor protector |
| 10/16/2002 | CN1374742A DC-to-AC converter |
| 10/16/2002 | CN1092857C Charging & discharging control circuit |
| 10/15/2002 | US6465983 Overcurrent protection device |
| 10/15/2002 | US6465979 Series compensation of electric alternating current machines |
| 10/10/2002 | US20020145406 Secondary battery protection circuit capable of reducing time for functional test |
| 10/10/2002 | DE10136617C1 Surge arrester for use in power transmission networks comprises several varistor blocks which have coating which initiates arc-over when its temperature exceeds preset value |
| 10/09/2002 | EP1247324A1 Exciter and electronic regulator for superconducting rotating machinery |
| 10/09/2002 | CN1373368A Device and method for detecting earthing failure in solar generating system |
| 10/09/2002 | CN1092413C Special circuit for motor protector |
| 10/08/2002 | US6462923 Coaxial cable protection device |
| 10/08/2002 | US6462318 Protective element |
| 10/08/2002 | US6460626 Dual-mode non-isolated corded system for transportable cordless power tools |
| 10/03/2002 | WO2002078146A1 Motor actuator with torque control |
| 10/03/2002 | US20020141122 Apparatus and method for protecting starter for engine against overheating |
| 10/03/2002 | US20020140401 Battery pack containing a circuit breaker |
| 10/02/2002 | EP0993008B1 A combination apparatus of distribution transformer and switch |
| 10/02/2002 | EP0992098B1 Antisqueeze protection |
| 10/02/2002 | DE10212164A1 Aktiver Schaltungsschutz für ein geschaltetes Leistungsversorgungssystem Active protection circuit for a switched power supply system |
| 10/02/2002 | CN1372364A Controller for electricity recharge/discharge |
| 10/01/2002 | US6459999 Method for detecting phase failure in an asynchronous machine |
| 10/01/2002 | US6459181 Electric motor unit, in particular for motor vehicle, incorporating a control electronics |
| 10/01/2002 | CA2290588C Residential protection service center |
| 09/28/2002 | CA2379363A1 Methods and apparatus for improving the cold starting capability of a fuel cell |
| 09/26/2002 | WO2002075462A1 Electro-mechanical actuator including brushless dc motor for providing pinch protection |
| 09/26/2002 | WO2002074567A2 Method and apparatus for preventing motor over temperature for a window closure system |
| 09/26/2002 | US20020135332 Method and apparatus for preventing motor over temperature for a window closure system |
| 09/26/2002 | US20020135237 High inrush current limiting switch assembly |
| 09/26/2002 | US20020135235 Active circuit protection for switched power supply system |
| 09/26/2002 | US20020135234 Method of commutation of current by bi-directional switches of matrix converters |
| 09/26/2002 | DE10111254A1 Arrangement for protecting electrical network e.g. for vehicle, has isolation element with trigger unit immediately adjacent to load so number of lines for connection to load are associated with element |
| 09/25/2002 | EP1101266B1 Circuit for limiting the inrush current for a transformer |
| 09/25/2002 | EP0890211B1 Process for detecting abutment and blocking in an electric motor |
| 09/25/2002 | CN1371154A 电源电路 Power circuit |
| 09/24/2002 | US6456947 Digital current differential system |
| 09/24/2002 | US6456916 Power closure sensor system and method |
| 09/24/2002 | US6456475 Off-line converter with digital control |
| 09/24/2002 | US6456027 Closing device with a safety function |
| 09/24/2002 | US6456026 Maintaining, positioning or clamping device |
| 09/24/2002 | US6456025 Motor operator for over-head air break electrical power distribution switches |
| 09/24/2002 | US6456022 Movable barrier operator |
| 09/19/2002 | WO2002073787A1 Anti-pinch power window system and method |
| 09/19/2002 | US20020130643 Arrangement and method for protecting multiple voltage supply systems against voltage arc-over between different voltage planes and against pole reversal from the outside |
| 09/19/2002 | US20020130634 In-device charging system and method for multi-chemistry battery systems |
| 09/19/2002 | DE10149581A1 Halbleitervorrichtung Semiconductor device |
| 09/19/2002 | DE10106944A1 Power output regulation of electrical machine prevents critical temperature from being exceeded at temperature-critical components by control measures using measurement/ modeling |
| 09/18/2002 | EP1241768A2 Method and device for protecting a multi-voltage vehicle network against voltage breakdowns between different voltage surfaces and against polarity reversal from outside |
| 09/18/2002 | EP1131876B1 Method for generating an error signal identifying a short circuit |
| 09/18/2002 | EP1131874B1 Load protection system in a power modulator |
| 09/18/2002 | CN2512160Y Controller for speed-adjusting three-phase D.C. brushless permanent-magnet electric motor |
| 09/18/2002 | CN2512147Y Electric motor starting protector for small air compressor |
| 09/18/2002 | CN2512146Y 电动机保护器 Motor protection |
| 09/18/2002 | CN1369945A Protection and control system for main circuit component of converting station |
| 09/18/2002 | CN1369944A Charging/discharging control circuit and charging type power source unit |
| 09/17/2002 | US6453260 Apparatus and method for collecting motor test data |
| 09/17/2002 | US6452771 Protection system |
| 09/17/2002 | US6452769 Electrical power distribution installation for electrical power system |
| 09/17/2002 | US6452359 Starting system for an electric motor |
| 09/12/2002 | DE10143475A1 Motorensteuerungsvorrichtung The engine control apparatus |
| 09/11/2002 | EP1239566A1 Device for overvoltage protection of the cores of current transformers |
| 09/11/2002 | CN2511031Y Contactless motor protection device |
| 09/11/2002 | CN1369126A Non-automatic power circuit breaker including trip mechanism which is disabled after closure of separable contacts |
| 09/11/2002 | CN1369064A Method and apparatus for detecting failed thyristor |
| 09/11/2002 | CN1368772A Circulation recovery plan for transmitting branch |
| 09/11/2002 | CN1090832C Electric power conversion means |
| 09/11/2002 | CN1090774C AC line stabilization circuitry for high power factor loads |
| 09/05/2002 | US20020121872 Collision monitoring system |
| 09/05/2002 | DE10207666A1 Leistungssteuervorrichtung für eine Kamera A power control device for a camera |
| 09/05/2002 | DE10206107A1 Converter for motor, has switch-off device and safety category implemented so that converter motor as a whole can be associated with safety category |
| 09/04/2002 | EP1237272A2 Semiconductor power module and compound power module |
| 09/04/2002 | EP1236259A1 Differential protective method |
| 09/04/2002 | EP1236258A1 Differential protective method |
| 09/04/2002 | CN1367562A Rotary hand electric tool and safe starting program |
| 09/04/2002 | CN1367561A Power supply phase sequence automatic regulator of three-phase air-conditioner |
| 09/04/2002 | CN1367560A Power distribution unit, installation including this power distribution and electric protection method |
| 09/04/2002 | CN1367412A Water pump automatic control and motor multifunctional protection circuit |
| 09/04/2002 | CN1090401C System protection relay device |
| 09/04/2002 | CN1090400C Anti-snag latch assembly for connector |
| 09/03/2002 | CA2280281C Current transformer saturation correction using artificial neural networks |
| 08/29/2002 | WO2002067281A1 High inrush current limiting switch assembly |
| 08/29/2002 | US20020118968 Electric power control device for camera |