| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 10/10/2007 | CN101051576A Telescopic combined moving iron core permanent magnet operation mechanism |
| 10/04/2007 | WO2007110251A1 Alternator circuit-breaker disconnecting switch of compact structure |
| 10/04/2007 | US20070228014 Vacuum switchgear |
| 10/04/2007 | DE102006015305A1 Electric arc discharge device for electric switch, has discharge plates arranged parallel to each other, and part made of gaseous plastic material, overlapping two plates and extending parallel to arc running direction |
| 10/03/2007 | EP1840397A1 Selector shaft for electrical switchgear |
| 10/03/2007 | CN200956498Y Plateau generating vehicle control screen |
| 10/03/2007 | CN200956331Y High-voltage vacuum circuit breaker spring operating mechanism |
| 10/03/2007 | CN200956330Y Strapdown vacuum load switch |
| 10/03/2007 | CN200956329Y Direct-push high-current on-load switch |
| 10/03/2007 | CN101048837A Switching chamber and heavy-duty circuit breaker |
| 10/03/2007 | CN101048836A Heavy-duty circuit breaker with movement reversal |
| 10/03/2007 | CN101047077A Gas insulated switchgear |
| 10/03/2007 | CN100341217C Gas-insulated switchgear |
| 10/03/2007 | CN100341088C Vacuum switch and a vacuum switchgear using the same |
| 10/03/2007 | CN100341087C Getter device for vacuum circuit breaker |
| 09/27/2007 | WO2007108730A1 Energy supply system and method related thereto |
| 09/27/2007 | WO2007108092A1 Status monitoring device for switch |
| 09/27/2007 | WO2007108063A1 State grasping device and open/closure controller having this state grasping device |
| 09/27/2007 | US20070222427 State Grasp Device, and Switching Control Device of Power Switching Apparatus Employing the State Grasp Device |
| 09/27/2007 | US20070221627 Electric power source for motor vehicle |
| 09/27/2007 | US20070221626 Gas insulated switchgear |
| 09/26/2007 | EP1837889A2 Interrupter unit with switch-on resistance |
| 09/26/2007 | CN200953309Y Constant-voltage explusion breaking contact used for ultrahigh-voltage breaker |
| 09/26/2007 | CN200953308Y Interlocking and position indicating mechanism for circuit breaker cabinet |
| 09/26/2007 | CN200953289Y High-voltage switch operating and driving mechanism |
| 09/26/2007 | CN100339924C Operating mechanism for high voltage circuit breaker |
| 09/25/2007 | US7274550 Single phase control and protection system of high voltage with dry insulation |
| 09/20/2007 | US20070215576 Electric shock prevention residual current circuit breaker |
| 09/20/2007 | DE19753177B4 Antrieb für Leistungsschalter einer Schaltanlage Drive for a circuit breaker switchgear |
| 09/20/2007 | DE102006013444A1 Control rod arrangement for high voltage power switch construction, has inner and outer superficies surfaces formed by respective holder fitting unit, where holder fitting units are connected with each other in form-fit manner by thread |
| 09/20/2007 | DE102005043484B4 Vakuumschaltkammer Vacuum interrupter chamber |
| 09/19/2007 | EP1835520A1 Switching chamber for gasisolated high voltage switch |
| 09/19/2007 | CN200950417Y Vacuum circuit breaker of solid sealed outdoor high-voltage phase control synchronous permanent-magnetic mechanism |
| 09/19/2007 | CN200950416Y Cam track capable of installing converting switch wattle |
| 09/19/2007 | CN101038827A Solid sealed arc interrupter pole for intelligentized AC vacuum circuit-breaker |
| 09/19/2007 | CN101038826A Control device for vacuum circuit breaker |
| 09/19/2007 | CN101038825A Medium-pressure reactive compensation real-time multi-stage switching circuit breaker |
| 09/18/2007 | US7272003 Encapsulated switching devices having heat emission elements |
| 09/13/2007 | DE102005047046B4 Verfahren zur Verhinderung der Bildung von Aminen oder anderer organischer Verbindungen auf Oberflächen von stickstoffisolierten Schaltgeräten und zugehöriges Schaltgerät A method for preventing the formation of amines or other organic compounds on the surfaces of nitrogen-insulated switchgear and associated switching device |
| 09/12/2007 | EP1833068A2 Direct-current load-break switch particularly for traction lines |
| 09/12/2007 | EP1831906A1 Heavy-duty circuit breaker featuring arc-resistant fault current conduction |
| 09/12/2007 | EP1343185B1 Method and device for monitoring vacuum degree in vacuum circuit breaker |
| 09/12/2007 | EP1069584B1 Current limiter and circuit breaker with current-limiting function |
| 09/12/2007 | CN200947415Y Porcelain knob breaker |
| 09/12/2007 | CN200947414Y Vacuum breaker |
| 09/12/2007 | CN200947413Y Cam track capable of simultaneously controlling multiple vacuum tubes |
| 09/12/2007 | CN101034801A Online testing method of electrical arc light protection unit |
| 09/12/2007 | CN101034642A Vacuum insulated switch gear |
| 09/12/2007 | CN100337376C Air insulation opening or closing device |
| 09/12/2007 | CN100337375C Switch insulation component |
| 09/12/2007 | CN100337294C Controller and control method of circuit breaker |
| 09/12/2007 | CN100337293C Switches |
| 09/07/2007 | WO2007098619A1 Interrupter chamber of a high-voltage switch with a heating volume for accommodating quenching gas produced by switching arcs |
| 09/06/2007 | US20070205183 Power control device |
| 09/06/2007 | US20070205182 Switching chamber and heavy-duty circuit breaker |
| 09/05/2007 | EP1829077A1 Generator switch having an improved switching capacity |
| 09/05/2007 | EP1829076A1 High power circuit breaker with sealing against hot arcing gasses |
| 09/05/2007 | EP1829075A1 High voltage switchgear |
| 09/05/2007 | EP1683170B1 Switching device |
| 09/05/2007 | EP1301935B1 Arc extinguisher with an attachment for low voltage switchgear |
| 09/05/2007 | CN200944498Y Novel anti-collision, damp-proof door motor electric brake box |
| 09/05/2007 | CN200944371Y Double-lift vacuum extinction chamber |
| 09/05/2007 | CN200944370Y Double sealing structure for sulfur hexafluoride breaker |
| 09/05/2007 | CN200944369Y Sulfur hexafluoride generator breaker |
| 09/05/2007 | CN200944368Y Press-fitted structure of self-support contact finger |
| 09/05/2007 | CN101030501A Gas exhaust for circuit breaker |
| 09/05/2007 | CN101030500A Vacuum loading switch |
| 09/05/2007 | CN100336145C Gas-insulated switch |
| 09/04/2007 | US7265311 Arc chamber barrier with interlocking top for circuit breaker |
| 08/30/2007 | WO2007096302A1 Electrical switching device |
| 08/30/2007 | DE102006008933A1 Electrical switching device has interrupter unit is connected with other closed interrupter unit, and electrical flashovers produced appear as electric arcs by connecting or interrupting electrical conductor in later interrupter unit |
| 08/29/2007 | EP1826792A1 Arcing chamber of a high voltage circuit breaker with a heating volume receiving the arc extinguishing gases generated by the arc |
| 08/29/2007 | EP1826791A2 Three-position vacuum interrupter disconnect switch providing current interruption, disconnection and grounding |
| 08/29/2007 | EP1825488A1 Polyphase switching device comprising at least three similar interrupter units |
| 08/29/2007 | CN200941536Y Three-station operator for gaseous insulated metallic packed switching gear |
| 08/29/2007 | CN200941360Y Fault indicator of high voltage vacuum switch |
| 08/29/2007 | CN200941359Y Easy-regulating indoor high voltage vacuum breaker |
| 08/29/2007 | CN200941358Y Device for driving vacuum switch |
| 08/29/2007 | CN101027740A Self-conglutinating elastomer layer in solid insulative switch pole |
| 08/29/2007 | CN100334670C Electromagnetic actuator |
| 08/29/2007 | CN100334666C Electric operating mechanism |
| 08/28/2007 | US7262362 High voltage device with a particle trap |
| 08/22/2007 | EP1269499B1 Circuit breaker |
| 08/22/2007 | CN2938374Y Movable contact drive structure of vacuum circuit breaker |
| 08/22/2007 | CN2938373Y SF6 insulation and recoverying device |
| 08/22/2007 | CN2938372Y Silicon rubber insulating sleeve |
| 08/22/2007 | CN2938360Y Closed type drc striking circuit breaker |
| 08/22/2007 | CN1333502C Gas insulated switchgear |
| 08/22/2007 | CN101023504A Arc splitter for an arcing chamber |
| 08/22/2007 | CN101022061A Air circuit breaker with permanent magnetic operating mechanism |
| 08/22/2007 | CN101022058A Gradual damping oil buffer |
| 08/21/2007 | US7259945 Active arc-suppression circuit, system, and method of use |
| 08/21/2007 | US7259944 Method for operating a switch with a connectable current limiter and corresponding arrangement |
| 08/16/2007 | WO2007075363A3 Motorized loadbreak switch control system and method |
| 08/16/2007 | WO2007070700A3 Method and apparatus for the detection of high pressure conditions in a vacuum-type electrical device |
| 08/16/2007 | US20070187364 Adaptive switch contamination compensation |
| 08/16/2007 | US20070187217 Gate drive circuit |
| 08/16/2007 | DE102006005232A1 Drive device control for multi-phase switching device, involves determining output time point for stop command of control device based on disconnection time point under consideration of switch inherent time of contact system |
| 08/15/2007 | EP1099232B1 Arc extinguishing aid |
| 08/15/2007 | CN2935458Y Vacuum load isolating switch fuse combined electrical equipment |