Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means
Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099)
11/2005
11/03/2005DE202005013446U1 Rear-side insulating cover plate for safety circuit-breaker, has plate body with hooks for fixing plate to bus bar, where hooks are guidable through respective window in body, which is fastened to rear-side of circuit-breaker
11/02/2005CN2738380Y Vehicular 20KA electric high voltage isolated switch
11/02/2005CN2738379Y High voltage isolated switch
11/01/2005US6961005 Electrical apparatus comprising a monitoring device, support and monitoring device for such an apparatus, and electrical installation incorporating them
10/2005
10/27/2005WO2005074085A3 High-voltage outdoor bushing arrangement
10/20/2005US20050231210 Apparatus and method for field testing polymer insulators
10/19/2005CN2735613Y Handheld high-voltage gas generating current conducting switch
10/19/2005CN2735530Y Single-phase isolating switch
10/13/2005DE102004013606A1 Vorrichtung zur Messung von Störungen oder Unterbrechungen in der inneren Glättungsschicht in Mittel- und Hochspannungskabeln Apparatus for measurement of disturbances or interruptions in the inner layer smoothing in medium and high voltage cables
10/12/2005EP1585157A1 Polyphase switch
10/12/2005EP1585156A2 Electric switching device
10/12/2005CN2733557Y Lock control device of elevator circuit breaker
10/12/2005CN1681057A Switchgear and receiving transformation apparatus using the same
10/06/2005US20050218907 System and method for on line monitoring of insulation condition for dc machines
10/06/2005US20050218906 System and method for monitoring of insulation condition
10/06/2005US20050218905 Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
10/05/2005CN2731794Y Novel manually-operated high voltage switch cabinet
10/04/2005US6952154 Composite insulator for fuse cutout
10/04/2005US6951993 Vacuum switch
09/2005
09/29/2005WO2005074074A3 Compressed gas insulated separating switch component and leadthrough arrangement
09/29/2005WO2005018066A3 Three-position ground switch
09/28/2005CN2729887Y High-current isolator
09/28/2005CN1675729A Composite insulator for fuse cutout
09/28/2005CN1674164A Device for detecting interferences or interruptions of the inner fields smoothing layer of medium or high voltage cables
09/20/2005US6946613 Gas-insulated switchgear
09/20/2005US6946609 Alignment mechanism for a telescopic switch
09/20/2005US6946607 Resistance assembly for hookstick operated switching assembly
09/15/2005US20050201028 Switchgear and receiving transformation apparatus using the same
09/14/2005EP1575067A1 Pivoting earthing switch with direct insertion and simple movement
09/14/2005CN1667776A Vacuum switchgear
09/14/2005CN1219306C Cable lead electric porcelain sleeve for high voltage switch
09/13/2005US6943556 High-speed duty cycle test through DC measurement using a combination of relays
09/09/2005WO2005083732A1 Switching device with a disconnection and/or grounding function
09/07/2005CN2724185Y Double isolated switch electric control device
09/07/2005CN2724177Y Double load switch operation device
09/07/2005CN1218455C Composite gas insulated switching arrangement
09/01/2005US20050190026 Heavy duty relay with resilient normally-open contact
09/01/2005US20050189326 Compact earthing switch for gas-insulated switchgear assemblies
09/01/2005US20050189325 Insulated earthing switch for gas-insulated switchgear assemblies
08/2005
08/31/2005EP1569256A1 Insulated earthing switch for GIS
08/31/2005EP1569255A1 Compact earthing switch for gas insulated stations
08/31/2005EP1569254A1 Switch with earthing and/or disconnecting function
08/31/2005CN1661874A Compact earthing switch for gas-insulated switchgear assemblies
08/31/2005CN1661872A Insulated earthing switch for gas-insulated switchgear assemblies
08/31/2005CN1217461C Gas insulating switch device
08/30/2005US6936779 Bypass recloser assembly
08/25/2005DE102004006045A1 Druckgasisolierter Trennschalterbaustein und Durchführungsanordnung Pressure gas-insulated circuit breaker module and feedthrough assembly
08/24/2005CN1658459A Gas-insulated switch
08/24/2005CN1658458A Gas insulated switchgear
08/24/2005CN1658456A Switch insulation component
08/24/2005CN1658350A Energy-storage isolating switch
08/18/2005DE102004006061A1 Hochspannungs-Freiluft-Durchführungsanordnung High voltage outdoor bushing arrangement
08/17/2005EP1564064A2 Multifunctional device for collecting current in a railway system
08/17/2005CN2718762Y Double-sealing structural bearing support for outdoor high-voltage insulation switch
08/17/2005CN2718761Y Insulating main knife switch
08/17/2005CN1215512C Vacuum switch
08/11/2005WO2005074085A2 High-voltage outdoor bushing arrangement
08/11/2005WO2005074074A2 Compressed gas insulated separating switch component and leadthrough arrangement
08/11/2005US20050174126 Apparatus and method for determining the status of an electric power cable
08/11/2005US20050173143 Vacuum switchgear
08/11/2005DE102004001795A1 Schaltmechanik Switching mechanism
08/10/2005CN1653663A Switching installation provided with an electrically insulating barrier
08/10/2005CN1652275A Insulating switch apparatus
08/10/2005CN1214435C Non-venting cutout mounted fuse for circuit breaker
08/10/2005CN1214422C Vacuum switch device
08/03/2005EP1560243A2 Heavy duty relay with resilient normally-open contact
08/03/2005EP1540686A4 Composite insulator for fuse cutout
08/03/2005CN1650379A Fuse cutout with improved dropout performance
08/03/2005CN1649061A Heavy duty relay with resilient normally-open contact
08/03/2005CN1213450C Air insualtion high voltage breaker
07/2005
07/28/2005WO2005069327A1 Electrical contact element for medium or high voltage electrical equipment, and corresponding method and equipment
07/28/2005US20050161312 Remote controlled wall switch actuator
07/28/2005DE10360633A1 Mittelspannungsschaltanlage Medium voltage switchgear
07/28/2005DE10325684B4 Schalteranordnung Switch assembly
07/27/2005CN1645697A Isolator/circuit-breaker device for electric substations
07/26/2005US6922132 Fuse cutout with improved dropout performance
07/20/2005EP1554740A2 Make-before-break selector switch
07/14/2005US20050150869 Isolator/circuit-breaker device for electric substations
07/13/2005EP1553327A1 Switching mechanism
07/13/2005CN1637996A Pull-out high current switch
07/13/2005CN1637990A Vacuum switchgear system
07/13/2005CN1637988A Vacuum switchgear system
07/12/2005CA2175987C Resettable internal actuating mechanism for use with an electronic sectionalizer
07/07/2005WO2005062328A1 Medium voltage switchgear assembly
07/07/2005WO2005062325A1 Disconnector
07/06/2005EP1551050A1 Single pole fuse holder base
07/06/2005CN2708545Y A mid-door interlocking device for centralized cabinet
06/2005
06/30/2005US20050141176 Vacuum switchgear system and kit for system
06/30/2005US20050139579 Vacuum switchgear system
06/29/2005EP1548779A2 Vacuum switchgear system
06/29/2005EP1548778A1 Vacuum switchgear system
06/29/2005EP1547270A1 Aircraft multi-function wire and insulation tester
06/28/2005CA2326721C High voltage system having at least one device for optically detecting a parameter
06/21/2005US6909056 Compliant electrical contact assembly
06/16/2005WO2004109881A3 Communication system
06/16/2005US20050127040 Interrupting apparatus having operations counter and methods of forming and using same
06/15/2005EP1540686A1 Composite insulator for fuse cutout
06/15/2005CN1628362A Make-before-break selector switch
06/15/2005CN1627465A Movable electrode bearing structure for switch
06/15/2005CN1627464A 开关 Switch
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