Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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11/06/2002 | CN1378696A 真空接触器 Vacuum contactor |
11/06/2002 | CN1378695A Drive for pole module of circuit breaker |
11/05/2002 | US6476366 Device for degassing and brazing preassembled vacuum interrupters using inductive heating |
11/05/2002 | US6476338 Vacuum switch |
10/31/2002 | WO2002087039A1 Travelling mechanism for a withdrawable circuit-breaker |
10/31/2002 | WO2002086926A1 Latching mechanism for locking a spring energy store |
10/31/2002 | DE10120447A1 Electric switch comprises an insulating component whose open end is closed by means of a sealing element which is pressed against or glued to the inner surface of the insulating component |
10/30/2002 | EP1252693A1 Multi-pole low voltage circuit breaker with one current measuring device per line |
10/30/2002 | CN1377109A 真空断路器 Vacuum Circuit Breaker |
10/29/2002 | US6472629 Puffer switch having a two-volume break chamber |
10/29/2002 | US6472628 Circuit-breaker including a moving assembly contained inside a casing filled with a dielectric gas under pressure |
10/29/2002 | US6472627 Vacuum circuit breaker |
10/24/2002 | WO2002084688A1 Method for operating a switch with a connectable current limiter and corresponding arrangement |
10/24/2002 | US20020153353 Vacuum valve |
10/23/2002 | EP1251539A1 Vacuum valve |
10/23/2002 | CN2518207Y Multi-group circulating switch for high voltage capacitor |
10/23/2002 | CN2518202Y Protector for preventing earth lead from switched |
10/23/2002 | CN1093329C Interlocking plug-in box for bus bar |
10/17/2002 | WO2002082606A1 Single phase or polyphase switchgear in an enveloping housing |
10/17/2002 | WO2002082482A1 Switching arrangement for low-voltage circuit breakers |
10/17/2002 | US20020149372 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
10/17/2002 | DE10117844A1 Schaltungsanordnung für Niederspannungs-Leistungsschalter Circuit arrangement for low-voltage circuit breakers |
10/17/2002 | DE10116894A1 Current limiting contact device for mechanically-operated electric switch, uses contact elements loosely packed together in housing with assisted contact pressure between them |
10/17/2002 | CA2443803A1 Single phase or polyphase switchgear in an enveloping housing |
10/16/2002 | EP1249850A2 Insulating housing, in particular for vacuumswitch, with a support for positioning a control electrode |
10/16/2002 | EP1249848A2 Electric contact and manufacturing method thereof |
10/16/2002 | CN2517095Y Operating mechanism of circuit breaker and driving device for arc-chutes |
10/16/2002 | CN1374676A Electromagnetic actuator and switch |
10/15/2002 | US6466420 High voltage disconnector having a moving contact that is moved at high speed |
10/15/2002 | CA2150198C Digitally controlled circuit interrupter with improved automatic selection of sampling interval for 50 hz and 60 hz power systems |
10/10/2002 | WO2002080212A1 Blowing system for short-circuit switches |
10/10/2002 | US20020145340 Protecting device |
10/10/2002 | US20020144977 Electrode of a vacuum valve, a producing method thereof, a vacuum valve, a vacuum circuit-breaker and a contact point of the electrode |
10/10/2002 | DE10117092A1 Betätigungsmittel zum Betätigen von Schaltstrecken eines Leistungsschalters einer elektrischen Schaltfeldanordnung Actuating means for actuating the switching paths of a circuit breaker of an electrical switchgear arrangement |
10/09/2002 | EP1248276A1 Actuating device to control the contact gap of a circuit breaker in an electrical switching device |
10/09/2002 | EP1080479B1 Actuation and control device for electric switchgear |
10/09/2002 | CN2515788Y Compressed-air arc-extinguishing load switch |
10/09/2002 | CN1373897A Method and device for interlocking |
10/09/2002 | CN1373896A Clutch assembly for electrical switching apparatus with large compression close spring |
10/09/2002 | CN1373488A Contact of integrated power switch |
10/09/2002 | CN1373487A Safety interlocking mechainsm between vacuum cut-ot and cut-off switch with visual contact circuit breaker |
10/09/2002 | CN1373485A Method for manufacturing contact of integrated power switch |
10/08/2002 | US6462295 High-voltage power circuit breaker comprising an insulating nozzle |
10/08/2002 | US6462293 Electric power source breaker |
10/02/2002 | EP1245066A1 Modular, miniaturized switchgear |
10/02/2002 | EP1245065A1 Integral load connector module |
10/02/2002 | EP1245064A1 Isolator switch |
10/02/2002 | EP1245034A1 Device for controlling the closing of a power circuit breaker |
10/02/2002 | EP1074032B1 An interrupt assembly for a primary circuit breaker |
10/02/2002 | CN1372645A Partial discharge monitoring system for transformers |
10/02/2002 | CN1372361A Container for air isolation switch |
10/02/2002 | CN1372287A Gas breaker switch |
10/01/2002 | US6459053 Overtoggled interrupter switch assembly |
09/26/2002 | US20020135964 Isolating circuit breaker and circuit protection arrangement |
09/26/2002 | US20020134758 Arc splitter plate |
09/26/2002 | US20020134757 Vacuum circuit breaker |
09/26/2002 | US20020134756 Vacuum switch and vacuum switchgear using the same |
09/25/2002 | CN2513218Y Vacuum breaker and vacuum switch |
09/25/2002 | CN1371111A Composite hydraulic driver |
09/24/2002 | US6456025 Motor operator for over-head air break electrical power distribution switches |
09/24/2002 | CA2257594C Electrical circuit breakers |
09/24/2002 | CA2128149C Flexible connector for a circuit interrupter |
09/19/2002 | US20020131223 Current sensor supporting structure |
09/19/2002 | US20020130108 Metal-ceramic composite and vacuum switch unit using the same |
09/18/2002 | EP1108261B1 Actuation and control device for high- and medium-voltage circuit breakers |
09/18/2002 | EP1105898B1 High-voltage circuit breaker with interrupter unit |
09/18/2002 | EP1086519B1 Insulating component for high-voltage installations and a method for the production thereof |
09/18/2002 | CN2512104Y Shutoff releaser of vacuum circuit breaker |
09/18/2002 | CN2512103Y Vacuum separated reversing switch |
09/18/2002 | CN2512102Y Automatic shutoff motor switching device for gas-filled cabinet three position actuator |
09/18/2002 | CN2512101Y Small electric operational mechanism for high voltage switch |
09/18/2002 | CN2512100Y Anti-burn movable contact assembly for SF6 circuit breaker |
09/12/2002 | WO2002071430A1 An integrated contact for power switchgear |
09/12/2002 | WO2002071428A1 Low-voltage circuit breaker with an electric arc extinction system |
09/12/2002 | WO2002071427A1 A multipolar integrated contact for power switchgear |
09/12/2002 | US20020128808 Method and apparatus for characterization of voice-coil motor with eddy current effect |
09/12/2002 | DE10047032A1 Medium voltage isolating blade-diverter used in electrical switching devices comprises a circuit breaker integrated between isolating blades |
09/11/2002 | CN2510979Y Fault-operation mechanical interlocking device for air-inflating cabinet |
09/11/2002 | CN1368771A Gas insulating switch device |
09/11/2002 | CN1368748A Driving power energy-storage device of shutter operating device |
09/06/2002 | WO2002069352A1 Insulating material for over-moulding on medium and high voltage appliances, and medium and high voltage electric appliances using same |
09/05/2002 | DE10109952A1 Stray light spark sensor, especially for switching systems, has optical element(s) with absorbable radiation fluorescence centers that amplifies stray light yield associated with base body |
09/04/2002 | EP1236214A1 Vacuum contactor with movable guide element |
09/04/2002 | CN2509702Y Sulfur hexafluoride breaker arc-chutes |
09/04/2002 | CN2509701Y Vacuum loading switch drive mechanism |
09/04/2002 | CN2509700Y Safety three-station sulfur hexafluoride loading switch |
09/03/2002 | US6445569 Gas-insulated switchgear |
09/03/2002 | US6444939 Vacuum switch operating mechanism including laminated flexible shunt connector |
09/03/2002 | US6444938 Switchgear with switching devices arranged in housings |
09/03/2002 | US6444937 Gas-insulated switching device |
09/03/2002 | US6444934 Driving force storing device for a switch operating mechanism |
08/29/2002 | WO2002067280A1 Low-voltage power switch with a bearing arrangement for a switch shaft |
08/29/2002 | US20020117476 Vacuum circuit-breaker, vacuum valve for use therein, and electrodes thereof |
08/29/2002 | US20020117475 Circuit-breaker including a channel for emptying the piston-driven compression chamber |
08/28/2002 | EP1235243A1 Circuit breaker having and outlet channel for the compression chamber |
08/28/2002 | EP1155428B1 Drive device for a switching device, especially for earthing switches of medium-voltage switchgear |
08/28/2002 | EP0754345B1 Moving gas mixing plate for puffer interrupter |
08/28/2002 | CN2508437Y Fixed switch cubicle |
08/28/2002 | CN2508378Y Vacuum arc-extinguishing chamber |
08/28/2002 | CN1366312A Electromagnetic and operating mechanism of switch using said electromagnet |