| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
|---|
| 05/11/2011 | CN201829858U Gaseous insulated and enclosed type high-voltage isolating/grounding switch |
| 05/11/2011 | CN201829829U Rear door interlocking device of high-voltage switch cabinet |
| 05/11/2011 | CN201829815U Small intelligent vacuum ring-network cabinet |
| 05/11/2011 | CN201829405U Double-column horizontal-fracture folding outdoor high-voltage alternating-current isolating switch |
| 05/11/2011 | CN201829404U Three-position operation and interlocking unit for gas-insulated metal-enclosed switchgears |
| 05/11/2011 | CN201829403U Outdoor high-voltage isolating switch with protective cover |
| 05/11/2011 | CN201829402U Single-post vertical fracture telescopic outdoor high-voltage alternating current isolating switch |
| 05/11/2011 | CN201829401U Cross-the-center closing isolation switch |
| 05/11/2011 | CN201829400U Vertically telescopic outdoor three-phase high-pressure AC (Alternating Current) isolating switch with single column and double arms |
| 05/11/2011 | CN102054620A Electric and manual operating mechanism of grounding switch in medium and high voltage switch equipment |
| 05/11/2011 | CN102054619A High-voltage electric isolating switch contact |
| 05/11/2011 | CN102054618A Three-phase common-box type high-speed grounding switching device |
| 05/11/2011 | CN101436484B Mechanical interlocking mechanism for stationary type high voltage switch cabinet |
| 05/11/2011 | CN101271786B System for on-line preventing electrical misoperation by microcomputer |
| 05/10/2011 | US7940059 Method for testing H-bridge |
| 05/05/2011 | US20110101993 System for testing electronic devices |
| 05/04/2011 | CN201820689U Interlocking mechanism of isolating switch and cabinet door |
| 05/04/2011 | CN201820688U Moving knife component of high-voltage load switch |
| 05/04/2011 | CN201820687U Movable-end air exhausting and baffling structure of self-extinguishing type circuit breaker |
| 05/04/2011 | CN201820686U Three-station disconnecting switch |
| 05/04/2011 | CN102044374A Isolating switch heating-preventing device |
| 04/28/2011 | DE102010022036A1 Trennschalter Disconnector |
| 04/27/2011 | CN201812727U Disconnecting switch transmission mechanism |
| 04/27/2011 | CN201812726U Electrical contact for outdoor high-voltage alternating-current disconnector |
| 04/27/2011 | CN201812725U Extra-high voltage alternating current grounding switch |
| 04/27/2011 | CN201812724U High-voltage isolating switch device |
| 04/27/2011 | CN201811980U Measuring terminal and isolating switch |
| 04/27/2011 | CN102034639A Outdoor high-voltage AC three-pole double-earthing isolating switch |
| 04/21/2011 | WO2011045046A1 Medium voltage switchgear having disconnecting switches and three-position switches |
| 04/21/2011 | WO2011045043A1 Gas insulated medium voltage switchgear |
| 04/21/2011 | WO2011044983A1 Rotary switch- disconnector |
| 04/21/2011 | CA2777491A1 Medium voltage switchgear having disconnecting switches and three-position switches |
| 04/21/2011 | CA2776832A1 Gas insulated medium voltage switchgear |
| 04/20/2011 | EP2312603A1 Rotary switch-disconnector |
| 04/20/2011 | EP2312602A1 Gas insulated medium voltage switchgear |
| 04/20/2011 | CN201804778U Isolating switch in high-voltage heavy-current test loop |
| 04/20/2011 | CN201804777U Disconnector |
| 04/20/2011 | CN201804776U Dust-proof device for isolation switch |
| 04/20/2011 | CN201804775U Base of isolating switch |
| 04/20/2011 | CN201804774U Regulating device for isolation switch base |
| 04/20/2011 | CN201804773U High-voltage switch connecting column |
| 04/20/2011 | CN201804772U High-voltage switch connecting rod |
| 04/20/2011 | CN201804771U High-voltage switch connection shaft and handle |
| 04/20/2011 | CN201804770U High-voltage switch with protective cover |
| 04/20/2011 | CN201804769U Locking board fastener for isolating switching operation handle |
| 04/20/2011 | CN201804768U Auxiliary switch for isolating switch operating mechanism of high voltage switch cabinet |
| 04/20/2011 | CN201804767U Locking device for earthing knife connection rod of isolation switch |
| 04/20/2011 | CN201802188U Isolating switch operation mechanism side door lock device |
| 04/20/2011 | CN102025118A Gas insulating switch device |
| 04/20/2011 | CN102024608A Safety interlocking device for high-voltage switchgear equipment |
| 04/20/2011 | CN102024607A Online oil injection method for bearing of outdoor high pressure isolating switch base |
| 04/20/2011 | CN102024606A Three-station isolation ground switch |
| 04/19/2011 | CA2390595C Operating arrangement for mechanism |
| 04/14/2011 | US20110084705 Insulation measuring apparatus |
| 04/13/2011 | CN201796800U Electrically-operated device for indoor high-voltage isolating switch |
| 04/13/2011 | CN201796799U Outdoor AC high-voltage disconnecting switch |
| 04/13/2011 | CN201796798U Alternating current (AC) high-voltage isolating switch |
| 04/13/2011 | CN201796797U Touch finger for AC high-voltage isolating switch |
| 04/13/2011 | CN201796796U Arc contact device for conversion current of opening-closing bus of extra-high voltage isolating switch |
| 04/13/2011 | CN201796795U Three-work-position switch for switch equipment |
| 04/13/2011 | CN201796794U Mechanism transmission connecting rod for AC high-voltage isolating switch |
| 04/13/2011 | CN201796793U Transmission connecting rod for alternating current (AC) high-voltage isolating switch grounding knife |
| 04/13/2011 | CN201796743U Fixed contact of an indoor high-voltage AC ground switch |
| 04/13/2011 | CN201796660U Pull rod epoxy resin insulator |
| 04/13/2011 | CN102017038A Medium voltage switch unit |
| 04/13/2011 | CN102013354A Three-station isolating switch |
| 04/07/2011 | US20110080180 Varying capacitance voltage contrast structures to determine defect resistance |
| 04/07/2011 | DE10351766B4 Metallgekapselte Schaltvorrichtung Metal-encapsulated switching device |
| 04/06/2011 | CN201788881U Disconnecting switch for railways and operating mechanism thereof |
| 04/06/2011 | CN201788880U Transmission device of angular disconnector |
| 04/06/2011 | CN201788879U Drive connecting rod for high-voltage isolating switch |
| 04/06/2011 | CN201788878U Tripping device for alternating-current high-voltage isolating switch |
| 04/06/2011 | CN201788877U Multi-station high-voltage switch |
| 04/06/2011 | CN201788876U 550kV quick grounding switch |
| 04/06/2011 | CN201788872U Auxiliary earthing knife-switch of fuse unit |
| 03/30/2011 | CN201780924U Tripping device for fuse protector of counterweight type load switch |
| 03/30/2011 | CN201780923U Moving blade device of load switch |
| 03/30/2011 | CN101996816A High-voltage electric isolating switch |
| 03/30/2011 | CN101996815A Switchgear and operation method of switchgear |
| 03/30/2011 | CN101996814A Electric operating structure for 6-10kV isolation switch |
| 03/23/2011 | CN201773748U Indoor high-voltage direct-operated isolating switch |
| 03/23/2011 | CN201773747U Double inlet and double outlet isolating switch |
| 03/23/2011 | CN201773746U Clamping structure for switching on contact knives of isolating switch |
| 03/23/2011 | CN201773745U Operating rod of isolating switch manual operating mechanism |
| 03/23/2011 | CN201773744U Manual operation mechanism of high-voltage isolating switch |
| 03/23/2011 | CN201773743U 隔离开关 Disconnectors |
| 03/23/2011 | CN201773742U Outdoor AC high-voltage isolating switch |
| 03/23/2011 | CN201773516U Mimic-disconnecting switch for electric power practical training |
| 03/22/2011 | US7911086 Switching circuit, signal output device and test apparatus |
| 03/16/2011 | CN201766015U Electric high-voltage isolating switch |
| 03/16/2011 | CN201766014U Mechanical forced locking device between two isolating switches in high-voltage switchgear |
| 03/16/2011 | CN201766013U Dustproof device of isolating switch |
| 03/16/2011 | CN201766012U High-voltage switch with close radian regulating device |
| 03/16/2011 | CN201766011U High-voltage switch having spacing unit in unlocking |
| 03/16/2011 | CN201766010U High-voltage switch having sensing finger insertion depth regulating unit |
| 03/16/2011 | CN201766009U Manual operation system of two-position isolating switch |
| 03/16/2011 | CN201766008U Star-triangle switching isolation switch for transformer |
| 03/16/2011 | CN201766007U Star-delta reversing switch device for transformer |
| 03/16/2011 | CN201766006U High-reliability isolating switch for electrified railway |
| 03/15/2011 | US7906874 Method and circuit for managing start-up phase of at least a micro fuel cell to be connected to a load |