H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means

Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
11/2011
11/23/2011	CN102254736A Method for online monitoring vacuum degree of arc extinguishing chamber of vacuum switch of intelligent switch cabinet
11/23/2011	CN102254735A Protection device having functions of automatic control, energy moving and degradation self-separation for vacuum arc extinguish chamber
11/23/2011	CN102254734A High-voltage single-fracture vacuum arc extinguishing chamber
11/23/2011	CN102254733A Double-grounded three-station vacuum switch tube
11/23/2011	CN102254732A High-voltage power supply quick switching method and quick switching high-voltage switch
11/23/2011	CN102254713A On-load capacity-regulating switch with single fracture
11/23/2011	CN101416262B Electromagnetic operation apparatus for switch
11/23/2011	CN101350257B Bistable permanent magnet mechanism
11/22/2011	US8063335 Gas exhaust for circuit breaker
11/22/2011	US8063334 Switching device, in particular power switching device
11/22/2011	US8063333 Limited flash-over electric power switch
11/17/2011	WO2011141480A1 Fixing of a medium- or high-voltage electrical apparatus on a base by force fitting
11/17/2011	WO2011141428A1 A high voltage dc breaker apparatus
11/17/2011	WO2011141321A1 Gas blast circuit breaker
11/17/2011	WO2011141055A1 A high voltage dc breaker apparatus
11/17/2011	WO2011141054A1 A high voltage dc breaker apparatus
11/17/2011	WO2011091429A3 Circuit breaker panel
11/17/2011	US20110278953 Control method for soft switch circuit in switch power source
11/17/2011	US20110278263 Gas-insulated high-voltage switch
11/17/2011	US20110278262 Vacuum interrupter
11/17/2011	US20110278141 Electrical switching apparatus, and levering assembly and position indicator assembly therefor
11/17/2011	DE102010031907B3 Unidirektional schaltendes DC-Schütz Unidirectional-switching DC contactor
11/17/2011	DE102010020979A1 Druckgas-Leistungsschalter Pressure gas circuit breakers
11/17/2011	CA2798652A1 A high voltage dc breaker apparatus
11/16/2011	EP2387057A1 Gas-isolated high voltage switch
11/16/2011	EP2387056A1 Vacuum interrupter
11/16/2011	CN202042818U Three-phase integrated compact type solid insulation high-voltage AC vacuum switch cabinet
11/16/2011	CN202042817U Solid insulating and sealing component used in high-voltage alternating-current (AC) vacuum switch cabinet
11/16/2011	CN202042810U Maintaining device for vacuum circuit breaker
11/16/2011	CN202042414U Vacuum interrupter used inside outdoor single-phase vacuum circuit breaker of high speed railway
11/16/2011	CN202042413U Damping device for fixed vacuum circuit breaker
11/16/2011	CN202042412U Touchable high-voltage circuit breaker
11/16/2011	CN202042411U Sulfur hexafluoride circuit breaker
11/16/2011	CN102246254A Drive system for operating an electric device
11/16/2011	CN102244372A Integrated vacuum circuit breaker
11/16/2011	CN102243952A Permanent magnetic small-energy over-current tripping device for switch
11/16/2011	CN102243937A Vacuum interrupter
11/16/2011	CN102243936A Sliding isolation device
11/10/2011	WO2011138819A1 Vacuum valve
11/09/2011	EP2384513A1 Vacuum interrupter
11/09/2011	CN202034300U Breaker of gas insulated metal enclosed switchgear
11/09/2011	CN202034299U Composite post insulator with vacuum arc extinguish chamber for high-voltage equipment
11/09/2011	CN202034298U Movable guide rod conductive connection structure for vacuum breaker
11/09/2011	CN202034297U Outdoor high-pressure permanent-magnet vacuum circuit breaker
11/09/2011	CN202034296U Combined switch for switching of double high-voltage power sources
11/09/2011	CN202034295U Three-position switch of high pressure gas insulated metal-enclosed switchgear
11/09/2011	CN202034294U High-voltage duplicate supply transfer switch
11/09/2011	CN102237653A Control cabinet with switch gas chamber
11/09/2011	CN102237222A Vacuum relay
11/09/2011	CN102237221A Switching gas chamber
11/09/2011	CN102237220A Grounding loop moving/static contact device for load switch
11/09/2011	CN102234201A Metallization process of isostatic pressing porcelain tube for vacuum switch tube
11/09/2011	CN101677178B Epoxy pouring solid insulation switch with double-isolation
11/09/2011	CN101604824B Outdoor 27.5 kV fixedly-sealed type vacuum modularized electric appliance for electrified railway
11/02/2011	EP2097915B1 High-voltage disconnecting circuit breaker and method of operating the same
11/02/2011	EP1683170B2 Switching device
11/02/2011	CN202025678U Vacuum load switch
11/02/2011	CN202025677U Vacuum circuit breaker
11/02/2011	CN202025676U Rear flange explosion-proof vacuum feed switch for mining
11/02/2011	CN202025675U Opening-closing device of vacuum circuit breaker
11/02/2011	CN202025674U Breaker switch
11/02/2011	CN202025673U Sulfur hexafluoride switch gas-flushing device
11/02/2011	CN202025672U Barrel corrector
11/02/2011	CN202025656U Load selector of on-load tap-changer
11/02/2011	CN102231486A Handcart type permanent magnet combined breaking device
11/02/2011	CN102231345A Double-chamber three-working position vacuum arc extinguish chamber for solid switch
11/02/2011	CN102231344A Epoxy solid-sealed terminal post for three-phase integrated arc extinguish chamber
11/02/2011	CN101295592B Controlled switching device
11/01/2011	US8049130 Vacuum insulated switch and vacuum insulated switchgear
11/01/2011	US8049129 Housing for a vacuum interrupter module
11/01/2011	CA2682784C Phase-control switching apparatus and switching control method for phase-control switching apparatus
10/2011
10/27/2011	WO2011130929A1 Laser triggered vacuum switch
10/27/2011	US20110259852 Valve system for an arc extinguishing chamber and circuit breaker comprising same
10/26/2011	EP1152444B1 Switch gear
10/26/2011	CN202018917U External shielding structure of vacuum arc extinguish chamber
10/26/2011	CN202018916U Miniaturized high-current vehicle-type vacuum breaker
10/26/2011	CN202018915U Flush vacuum breaker
10/26/2011	CN202018914U 24kV user inner high-voltage vacuum circuit breaker
10/26/2011	CN202018913U Manual vacuum isolating switch with air fracture
10/26/2011	CN202018912U Online air-complementing device of sulphur hexafluoride breaker
10/26/2011	CN202018911U Control element of direct-current high-voltage loop system
10/26/2011	CN1981354B Vacuum interrupter and contact arrangement for a vacuum interrupter
10/26/2011	CN102227797A Vacuum switch having fixed rail terminals on both sides
10/26/2011	CN102227796A High voltage direct current circuit breaker arrangement and method
10/26/2011	CN102227793A Insulating housing for receiving vacuum switching tube and switch pole insulated by solid material
10/26/2011	CN102227058A Solid-insulated vacuum ring main unit and system thereof
10/26/2011	CN101562088B Pulse power type permanent magnet linear motor (PMLM) operating mechanism of high-voltage circuit-breaker
10/26/2011	CN101425425B Fixed side-installed vacuum circuit breaker
10/26/2011	CN101419879B Middle disposed withdrawn type vacuum circuit breaker
10/26/2011	CN101295599B High-capacity vacuum switch of 6300A distribution cabinet
10/25/2011	US8044318 Interrupting chamber of a circuit-breaker having two compression volumes
10/25/2011	US8044317 Circuit breaker having a plurality of breaker chambers arranged in parallel, with a common transmission and reduced length
10/25/2011	CA2384327C Method and device for interlocking
10/20/2011	WO2011128426A1 Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit
10/20/2011	WO2011127667A1 Vacuum arc extinguishing chamber with double breaks
10/20/2011	US20110253676 Switch unit and circuit breaker for a medium voltage circuit
10/20/2011	US20110253675 Three Phase Vacuum Interrupter Switch for High Voltage Distribution Systems
10/20/2011	DE102010015216A1 Lichtbogenlöscheinrichtung Arc quenching device
10/20/2011	CA2795811A1 Switch unit, method for assembling a switch unit, and circuit breaker for a medium voltage circuit
10/19/2011	EP2378531A1 Switch unit and circuit breaker for a medium voltage circuit

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