Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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01/25/2006 | EP0939964B1 Switch |
01/25/2006 | CN2754200Y 智能型万能式断路器 Intelligent Circuit Breaker |
01/25/2006 | CN1725586A Phase control switching device |
01/25/2006 | CN1725408A Controller and control method of circuit breaker |
01/25/2006 | CN1725407A Electromagnetic operation device |
01/24/2006 | US6989498 Method and device for locking |
01/22/2006 | CA2475556A1 Isolation contactor assembly having independently controlled contactors |
01/19/2006 | WO2005101438A3 Electric device with compressed insulating gas comprising a composite insulator provided with a window for observation of the contacts |
01/19/2006 | US20060011589 Production of a circuit-breaker pole, insulated by a solid material |
01/19/2006 | DE19803975B4 Einrichtung zur Steuerung der Einschaltung eines Leistungsschalters Means for controlling the switching of a power switch |
01/18/2006 | EP1121739B1 Gas-insulated switching device |
01/18/2006 | CN2752943Y High pressure vacuum arc-suppression room longitudinal magnetic field contact |
01/18/2006 | CN2752942Y Assembling mechanism for vacuum load switch main knife and low-shut off value vacuum arc-chutes |
01/18/2006 | CN2752941Y Vacuum load switch-fusible cut-out assembling device |
01/18/2006 | CN2752940Y Longitudinal magnetic rotary arc sulfur hexafluoride breaker |
01/18/2006 | CN2752930Y Emergency delocking device |
01/18/2006 | CN1722333A A medium voltage vacuum contactor |
01/18/2006 | CN1722332A Control device for the coordinated actuation of at least two switching devices, of which one is a vacuum switch |
01/17/2006 | US6987234 Circuit breaker comprising a control assembly and interrupting chamber and method of assembly |
01/12/2006 | WO2006002560A1 Vacuum interrupter and contact arrangement for a vacuum interrupter |
01/12/2006 | WO2005062884A3 Switchgear with embedded electronic controls |
01/12/2006 | US20060006145 Arc quenching device for circuit breakers |
01/12/2006 | US20060006144 Arc-extinguishing composition and articles manufactured therefrom |
01/12/2006 | US20060006143 Earthing switch |
01/11/2006 | EP1615309A2 Switchgear |
01/11/2006 | EP1214725B1 Clutch assembly for electrical switching apparatus with large compression close spring |
01/11/2006 | CN2751426Y Cup-type axial magnetic vacuum arc extinguish chamber contact with iron core |
01/11/2006 | CN2751425Y Bipolar contact for vacuum arc extinguish chamber |
01/11/2006 | CN1719562A Arc extinguishing device for circuit breaker |
01/11/2006 | CN1236546C Electric control device |
01/11/2006 | CN1236537C Integral load connector module |
01/11/2006 | CN1236464C Extrahigh voltage vacuum circuit beaker |
01/11/2006 | CN1236461C Low-voltage power switch with a bearing arrangement for a switch shaft |
01/04/2006 | CN2750535Y A vacuum contactor-fuse combined electric appliance |
01/04/2006 | CN2750452Y Serial outdoor vacuum circuit breaker |
12/28/2005 | EP1610352A1 Electric circuit breaker |
12/28/2005 | CN1234135C Electromagnet and operating mechanism of switch using said electromagnet |
12/22/2005 | WO2005122201A1 Power switch |
12/22/2005 | WO2005122200A2 Pocket-sized travel book |
12/22/2005 | DE102004024882A1 Gleichstrom-Energieversorgungs- und -verteilungsanlage für Schiffe DC power supply and distribution installation for ships |
12/21/2005 | EP1382049B1 Latching mechanism for locking a spring energy store |
12/21/2005 | EP0790629B1 Vacuum valve |
12/21/2005 | CN2747701Y SF6 arc-extinguishing chamber |
12/21/2005 | CN2747700Y Single-turn type contact for vacuum arc-extiguishing chamber |
12/21/2005 | CN2747699Y High voltage vacuum circuit breaker with high rated current grade |
12/21/2005 | CN2747698Y Circuit breaker system for 550 KV sulfur hexafluoride combined electric appliances |
12/21/2005 | CN2747697Y Circuit breaker system for 220 KV sulfur hexafluoride combined electric appliances |
12/21/2005 | CN2747696Y 220 KV sulfur hexafluoride tank type circuit breaker |
12/21/2005 | CN1710686A Switch device |
12/21/2005 | CN1710685A Single-break-port breaker of 550 KV voltage grade |
12/21/2005 | CN1232996C Synchronous open-circuit method for breaker of power generator and its control equipment |
12/20/2005 | US6977354 Arc hood and power distribution system including the same |
12/15/2005 | WO2005119875A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
12/15/2005 | CA2569267A1 Switching apparatus and method for varying an impedance of a phase line of a segment of an electrical power line |
12/14/2005 | EP1605485A1 Circuit breaker |
12/14/2005 | CN2746511Y Outdoor high-voltage vacuum load switch |
12/14/2005 | CN2746510Y Insulation pull-rod sealing device for outdoor AC high voltage vacuum circuit breaker |
12/14/2005 | CN2746509Y Overtravel spring combiner for outdoor AC high-voltage vacuum circuit breaker |
12/14/2005 | CN2746508Y Sealing device for arc-chutes of outdoor AC high-voltage vacuum circuit breaker |
12/14/2005 | CN2746507Y 126 KV single fracture outdoor high-voltage vacuum circuit breaker |
12/14/2005 | CN2746506Y Radiator for outdoor AC high-voltage vacuum circuit breaker |
12/14/2005 | CN1708819A Gas insulation opening/closing apparatus |
12/14/2005 | CN1707716A Electric circuit breaker |
12/14/2005 | CN1231940C Collector and gas circuit breaker |
12/14/2005 | CN1231933C Gas insulated switching device |
12/08/2005 | WO2005117050A1 Current interrupter |
12/08/2005 | WO2005117049A1 Switchgear system |
12/08/2005 | WO2005117048A1 Method and apparatus for the detection of high pressure conditions in a vacuum switching device |
12/08/2005 | US20050270718 Apparatus for securing a conductor in a power switching device |
12/08/2005 | DE102004024094A1 Löschkammer mit Lichtbogenlöschplatten und Verfahren zur Herstellung einer Lichtbogenlöschplatte für eine derartige Löschkammer Quenching chamber with arc plates and method for producing an arc extinguishing plate for such a quenching chamber |
12/08/2005 | CA2608492A1 Method and apparatus for the detection of high pressure conditions in a vacuum switching device |
12/07/2005 | CN2745208Y Guiding piece on high voltage switch |
12/07/2005 | CN1706016A Insulant housing comprising an inner ribbed contour |
12/07/2005 | CN1230958C Device for receiving interrupters of circuit breaker system |
12/07/2005 | CN1230955C Gas isolating switching equipment having vacuum switch |
12/07/2005 | CN1230851C Vacuum switching device |
12/07/2005 | CN1230850C Switching device system, components therefor and method relating thereto |
12/07/2005 | CN1230845C Switching arrangement for low-voltage circuit breakers |
12/07/2005 | CN1230684C High-frequency wide-band local discharging on-line monitoring method in gas insulation converting station |
12/04/2005 | CA2469778A1 Switching modules for the extraction/injection of power (without ground or phase reference) from a bundled hv line |
12/01/2005 | WO2005114687A1 Direct current power supply and distribution installation for ships |
11/30/2005 | CN1703766A Production of a circuit-breaker pole, insulated by a solid material |
11/30/2005 | CN1229834C Switch |
11/30/2005 | CN1229649C Re-locatable partial discharge transducer head |
11/29/2005 | US6969816 Switching arrangement for low-voltage circuit breakers |
11/24/2005 | WO2005112060A1 Quenching chamber with arc quenching plate and method for production of an arc quenching plate for such a quenching chamber |
11/24/2005 | WO2005111641A1 State recognizing device and switching controller of power switching apparatus using state recognizing device |
11/24/2005 | US20050258342 Method and apparatus for the detection of high pressure conditions in a vacuum switching device |
11/24/2005 | US20050258140 Electrical energy disconnection device |
11/24/2005 | DE102004021978A1 Verfahren und Vorrichtung zum Abschalten eines in einem Wechselstromnetz auftretenden Fehlerstroms Method and device for cutting off a fault current occurring in an alternating current network |
11/23/2005 | EP1597743A1 Linear magnetic drive |
11/23/2005 | EP1502272B1 Electric switching device with a cooling device |
11/23/2005 | CN1700381A Vacuum switch |
11/23/2005 | CN1700380A Gas breaker |
11/23/2005 | CN1228896C Vacuum circuit breaker |
11/22/2005 | US6966934 Gas reclaiming equipment |
11/16/2005 | EP1595273A2 A self-fixturing system for a vacuum interrupter |
11/16/2005 | EP1595269A2 Axial magnetic field vacuum fault interrupter |
11/16/2005 | EP1540683A4 High-voltage loadbreak switch with enhanced arc suppression |
11/16/2005 | EP0988638B1 Arcing contact arrangement |