| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 05/10/2007 | CA2627916A1 Current interrupter device having a double compression chamber |
| 05/09/2007 | EP1782445A1 Arc splitter for an arcing chamber |
| 05/09/2007 | CN2899081Y Vacuum AC contactor |
| 05/09/2007 | CN2899075Y High-voltage vacuum permanent magnetic circuit breaker |
| 05/09/2007 | CN2899074Y Disk-spring energy-storage operating mechanism with side-contacting sliding four-link transmission |
| 05/09/2007 | CN2899073Y Sliding axle-pinned gate-split controlled brake in circuit-breaker operating mechanism |
| 05/09/2007 | CN2899072Y One-way transmission decelerator in circuit-breaker electric actuation mechanism |
| 05/09/2007 | CN1961396A Vacuum switch chamber with a protective sleeve that is applied by heat shrinking |
| 05/09/2007 | CN1959892A Very high breaker in use for GIS |
| 05/09/2007 | CN1959891A Breaking contactor with constant pressure blowoff of flames in use for breaker in extra high voltage |
| 05/09/2007 | CN1315142C Non-linear magnetic field distribution in vacuum interrupter contacts |
| 05/08/2007 | US7215228 Circuit interrupting device with a turnbuckle and weld break assembly |
| 05/03/2007 | WO2007049920A1 Electro-magnetic force driving actuator and circuit breaker using the same |
| 05/03/2007 | US20070096682 Rotating electric motor for operating an electric component |
| 05/03/2007 | US20070095794 Arc plate with runner, and arc chute and electrical switching apparatus incorporating same |
| 05/03/2007 | US20070095793 Secondary arc chute and electrical switching apparatus incorporating same |
| 05/03/2007 | US20070095792 Manually guided implement |
| 05/03/2007 | DE19625737B4 Vakuumschaltkammer Vacuum interrupter chamber |
| 05/02/2007 | EP1780741A1 Chambre d'interruption d'un interrupteur très haute tension avec un volume de chauffage pour l'admission de gaz sous pression |
| 05/02/2007 | EP1780740A1 Solenoid pilot valve for hydromechanical disconnecting switch |
| 05/02/2007 | CN2896629Y Air-inflation type lead-in-out casing tube |
| 05/02/2007 | CN2896498Y Fixing-packing type high-pressure vacuum circuit-breaker polar column |
| 05/02/2007 | CN2896497Y Connection mechanism of circuit breaker |
| 05/02/2007 | CN2896496Y Hydraulic operation mechanism |
| 05/02/2007 | CN2896495Y Arc-chutes of 800 kv double-fracture can-type circuit breaker |
| 05/02/2007 | CN2896481Y Electric operation mechanism of circuit breaker |
| 05/01/2007 | US7211761 Switch and disconnector apparatus for electric substations |
| 05/01/2007 | US7211614 Insulating nozzle for gas blast circuit breaker |
| 04/26/2007 | WO2007045653A1 Electric switching device arrangement |
| 04/26/2007 | WO2007045635A1 Dielectric insulation seal for a vacuum tube |
| 04/26/2007 | US20070090095 Vacuum valve and method of manufacturing vacuum valve |
| 04/26/2007 | DE102006041782A1 Vacuum valve, e.g. for vacuum circuit breaker, includes hermetically sealed vessel comprising first structural member interposed between movable contact piece and bellows with ends soldered with the structural members |
| 04/26/2007 | DE102005050693A1 Verklinkungsvorrichtung für einen Leistungsschalter Latch means for a circuit breaker |
| 04/26/2007 | DE10107006B4 Elektrische Schaltvorrichtung The electrical switching apparatus |
| 04/26/2007 | CA2626166A1 A dielectric insulation gasket for a vacuum bottle |
| 04/25/2007 | EP1367681B1 Vacuum switch unit and switch gear |
| 04/25/2007 | CN1953117A Vacuum valve and vacuum valve production method |
| 04/25/2007 | CN1312715C Method of disposable sealed silicon rubber insulating layer of vacuum arc chutes |
| 04/25/2007 | CN1312714C Vacuum tube for electric protective equipment such as switch or breaker |
| 04/25/2007 | CN1312711C Arc suppressing room with gas deionization device |
| 04/24/2007 | US7208852 Electronic tripping device for low-voltage circuit breakers |
| 04/19/2007 | US20070084831 Circuit breaker including line conductor having bend portion to increase contact gap |
| 04/19/2007 | US20070084830 Electrical switching apparatus including operating mechanism having insulating portion |
| 04/19/2007 | DE112005001085T5 Zustandserfassungsvorrichtung und Schaltsteuervorrichtung einer Leistungsschaltvorrichtung, welche die Zustandserfassungsvorrichtung verwendet State detecting device and the shift control device of a power switching apparatus which uses the state detecting device |
| 04/19/2007 | DE102005043484A1 Vakuumschaltkammer Vacuum interrupter chamber |
| 04/19/2007 | DE102004007912B4 Durchführung mit Leistungshalbleiterbauelement Implementation with power semiconductor component |
| 04/19/2007 | DE102004005770B4 Schaltung zur Steuerung mehrerer Magnetantriebe und Leistungsschaltvorrichtung mit einer derartigen Schaltung A circuit for controlling a plurality of magnetic drives and power switching device with such a circuit, |
| 04/18/2007 | CN2891412Y Network-based intelligent permanent magnetic actuated MV/HV switch cabinet |
| 04/18/2007 | CN2891258Y Breaking unit of high-voltage vacuum breaker actuating mechanism |
| 04/18/2007 | CN2891257Y Bounce-free permanent magnetic indoor high-voltage vacuum breaker |
| 04/18/2007 | CN2891256Y Manual and electric switching unit of high voltage switch |
| 04/18/2007 | CN1950918A Method and device for interrupting a fault current occurring in an a/c system |
| 04/18/2007 | CN1950917A Electrical medium- or high-voltage cutoff device |
| 04/18/2007 | CN1949428A Vacuum switchgear |
| 04/18/2007 | CN1311493C Insulating switch apparatus |
| 04/18/2007 | CN1311492C Electric contact unit and manufacturing method thereof |
| 04/18/2007 | CN1311491C Ceramic tube for vacuum circuit breaker |
| 04/18/2007 | CN1311490C Spring operator for switch |
| 04/17/2007 | US7205499 Device for fixing a shield in an electric switch, in particular a vacuum switch |
| 04/12/2007 | WO2007041002A1 Voltage sensors and voltage sensing methods for gas insulated switchgear |
| 04/12/2007 | WO2007040990A1 Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device |
| 04/12/2007 | US20070080144 Tri-boss mounting device for high-voltage circuit breakers |
| 04/12/2007 | DE102005035658B3 Operation of switching device uses control device which receives switching command, determines phase position of load phase or voltage and determines time path for governing state of switch sets governing state according to same |
| 04/12/2007 | CA2624286A1 Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device |
| 04/11/2007 | EP1772883A1 A medium-voltage vacuum circuit breaker and a related medium-voltage switchboard |
| 04/11/2007 | EP1772882A1 Compressed gas electrical breaker with arrangement for controlling the electric field |
| 04/11/2007 | CN2888632Y A contactor with strong connecting/disconnecting capacity |
| 04/11/2007 | CN1945771A Outdoor high voltage double power source vacuum breaker |
| 04/11/2007 | CN1310387C Vacuum switch unit and switch gear |
| 04/11/2007 | CN1310266C Vacuum switchgear |
| 04/10/2007 | US7202436 Secondary arc chute and electrical switching apparatus incorporating same |
| 04/10/2007 | US7202435 Circuit-breaker |
| 04/10/2007 | CA2336170C Electric railway vehicle and electric powering unit in particular for such a vehicle |
| 04/05/2007 | US20070075047 Multi-pole circuit breaker |
| 04/05/2007 | US20070075046 Method for inhibiting damage due to arc between electrical contacts |
| 04/05/2007 | US20070075045 Electrical switch |
| 04/05/2007 | US20070075044 Circuit breaker |
| 04/05/2007 | US20070074963 Switching device |
| 04/05/2007 | DE102005047046A1 Method for preventing the formation of amines and similar organic compounds on insulator surfaces of nitrogen-insulated switching devices comprises providing the surfaces of the insulator parts with thin layers of inert inorganic materials |
| 04/04/2007 | CN2886785Y Permanent magnet opening/closing device |
| 04/04/2007 | CN1942991A Electric device with compressed insulating gas comprising a composite insulator provided with a window for observation of the contacts |
| 04/04/2007 | CN1942044A Insulated tectosome |
| 04/04/2007 | CN1941245A Multi circuit selecting switchgear |
| 04/04/2007 | CN1941244A Gas circuit-breaker |
| 04/04/2007 | CN1941243A High voltage circuit breaker with improved interrupting capacity |
| 04/04/2007 | CN1308983C Vacuum insulated switching apparatus |
| 04/03/2007 | US7199490 Semiconductor device for preventing noise generation |
| 04/03/2007 | US7199324 High-voltage hybrid circuit-breaker |
| 03/29/2007 | US20070068904 High-voltage circuit breaker with improved circuit breaker rating |
| 03/29/2007 | US20070068903 Gas circuit-breaker |
| 03/28/2007 | EP1768150A1 High voltage circuit breaker with improved interrupting capacity |
| 03/28/2007 | EP1768149A1 Multi circuit selecting switchgear |
| 03/28/2007 | EP1766646A1 Vacuum interrupter and contact arrangement for a vacuum interrupter |
| 03/28/2007 | EP1766645A1 Switchgear system |
| 03/28/2007 | EP1556874B1 Circuit breaker |
| 03/28/2007 | CN2884499Y Spring actuating mechanism for high-voltage vacuum circuit-breaker |
| 03/28/2007 | CN2884498Y Advancing mechanism for high-voltage vacuum circuit-breaker |
| 03/28/2007 | CN2884497Y Polar column for high-voltage vacuum circuit-breaker |
| 03/22/2007 | WO2007032344A1 Gas-insulated switching device and gas circuit breaker |
| 03/22/2007 | WO2007031202A1 Vacuum interrupter chamber |