Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
07/2006
07/25/2006US7081757 Re-locatable partial discharge transducer head
07/20/2006WO2006074975A1 Three-position disconnector comprising a cam disc
07/20/2006DE202006005092U1 Operation of a fast response electrical vacuum power switch uses spring energy via a crank linkage mechanism
07/20/2006DE19900219B4 Verriegelungsvorrichtung Locking device
07/19/2006EP1680792A1 Shielded encapsulated vacuum interrupter
07/19/2006CN2798293Y Force reducing reseting mechanism for vacuum load switch
07/19/2006CN2798292Y High voltage knob type sulphur hexafluoride breaker
07/19/2006CN2798291Y 550 KV voltage grade optimized breaker
07/19/2006CN2798290Y Arc extinguishing room for breaker with 550KV single breaking opening
07/19/2006CN1804410A Pressure compensation valve for hydraulic mechanism of ultra-high-voltage breaker
07/19/2006CN1265410C Electromagnetic operation device
07/18/2006US7079363 Hybrid DC electromagnetic contactor
07/18/2006US7078643 Capacitor switch with internal retracting impedance contactor
07/18/2006US7078642 Arc extinguishing device with a high speed whip
07/13/2006US20060151439 Circuit breaker with improved arc extinction system
07/13/2006US20060151438 Method of current interruption using puffer type gas circuit breaker with combined-action of cylinder and piston
07/12/2006EP1678729A1 Device for detecting contact wear in switching appliances
07/12/2006EP1236214B1 Vacuum contactor with movable guide element
07/12/2006CN2796079Y Permanent magnet mechanism of square permanent magnet mechanism case flat plate permanent magnet
07/12/2006CN2796072Y Solid seal polar pole for vacuum circuit breaker
07/12/2006CN2796071Y Double turn type longitudinal magnetic field contact of vacuum arc-extinguishing room
07/12/2006CN2796070Y Vacuum arc-extinguish room
07/12/2006CN2796069Y 真空断路器 Vacuum Circuit Breaker
07/12/2006CN2796068Y Guide rod
07/12/2006CN2796052Y Alpha angle internal magnet yoke permanent magnet mechanism
07/12/2006CN1802721A Operating unit for switchgear
07/12/2006CN1801422A Arc chute assembly
07/12/2006CN1801421A Open-type isolating switch
07/12/2006CN1801418A Arc chute and circuit interrupter employing same
07/12/2006CN1264175C Mechanical control mechanism of spring load for high-voltage or medium-voltage circuit breaker
07/11/2006US7075398 Electromagnet and actuating mechanism for switch device, using thereof
07/06/2006WO2006003114A3 Switching contact comprising annular supporting body for vacuum interrupters
07/06/2006US20060146466 Process and device for current switching with a fluid-driven liquid metal current switch
07/06/2006US20060145541 Methods and apparatus for generating a multi-position control
07/06/2006DE102004061497A1 Aus einer schmelzmetallurgisch hergestellten Kupferchromlegierung bestehendes Schirmsystem From a produced by melting copper chromium alloy consisting screen system
07/06/2006DE102004060801A1 Vacuum switching chamber (SC) with a solid- and moving switching contact piece is useful in low-, medium- and high voltage technology
07/05/2006CN1797634A Gas switch
07/05/2006CN1797633A Drive kinematics in a hybrid circuit-breaker
07/05/2006CN1263056C Device and method for controlling open/close of electrical switching device
07/05/2006CN1263055C Shutoff device
07/04/2006CA2360957C Encapsulated high-voltage circuit breaker with a horizontal configuration
06/2006
06/29/2006WO2006067936A1 Grounding switch-equipped gas insulation switch device
06/29/2006WO2006066785A1 High voltage switchgear
06/29/2006WO2006066429A1 Heavy-duty circuit breaker comprising a hot gas seal
06/29/2006WO2006066426A1 Heavy-duty circuit breaker featuring arc-resistant fault current conduction
06/29/2006US20060139135 Linear magnetic drive
06/29/2006US20060138089 Arrangement comprising a low voltage power switch and a switching gas damper provided with a carrier element and used for the low voltage power switch
06/29/2006US20060138088 Disconnecting switch assembly
06/29/2006DE19608765B4 Elektrische Schaltvorrichtung The electrical switching apparatus
06/29/2006DE102004060281A1 Medium or high tension switch manufacture involves coating switch chamber in etching solution and surrounding coated chamber with castable material in molding tool
06/29/2006DE102004060274A1 Medium or high voltage vacuum circuit breaker manufacturing method involves firstly dipping of vacuum chamber in mucilage and afterwards inserting into mold and casting compound is then cast under process temperature
06/29/2006CA2591628A1 Grounding switch-equipped gas insulation switch device
06/28/2006EP1675145A1 High power circuit breaker with sealing against hot arcing gasses
06/28/2006EP1675144A1 High voltage switch with arc resistant short circuit current conductor
06/28/2006EP1675143A1 Gas-insulated switchgear
06/28/2006EP1673794A1 A rotating electric motor for operating an electric component
06/28/2006CN2791849Y Vacuum switch combined electric appliance
06/28/2006CN2791833Y 电动操作机构 Electric operation
06/28/2006CN1795595A Switch assembly
06/28/2006CN1795520A Vacuum switch
06/27/2006US7067758 Electric power circuit breaker comprising a connecting bar and an arcing horn
06/27/2006US7067746 Travelling mechanism for a withdrawable circuit-breaker
06/27/2006CA2524154A1 Disconnect switch with early break feature
06/22/2006WO2006063989A1 Shielding system consisting of a copper chromium alloy produced by fusion metallurgy
06/22/2006WO2006063928A1 Polyphase switching device comprising at least three similar interrupter units
06/22/2006US20060131867 Pocket-sized travel book
06/22/2006US20060131278 Opening/closing mechanism for vacuum processing apparatus and vacuum processing apparatus using the same
06/22/2006US20060131143 Switch for high voltage and/or current
06/22/2006DE10027198B4 Elektrode für eine paarweise Anordnung in einem Vakuumrohr eines Vakuumschalters Electrode for a paired arrangement in a vacuum tube of a vacuum switch
06/22/2006CA2590504A1 Polyphase switching device comprising at least three similar interrupter units
06/21/2006EP1671343A1 Drive for a switching device
06/21/2006EP1020970B1 Switch gear
06/21/2006CN1791955A Rocker unit for moving a displaceable contact of a switching device
06/21/2006CN1790578A Method of current interruption using buffer type gas circuit breaker and buffer type gas circuit breaker thereof
06/21/2006CN1260758C Outdoor high voltage isolation switch
06/21/2006CN1260752C Electric switch unit with mechanical driving controller and operation method thereof
06/20/2006US7064641 Cathedral door shutter assembly
06/20/2006US7064267 Gas insulating apparatus and method for locating fault point thereof
06/15/2006US20060125324 Timer switch
06/15/2006US20060124602 Arc chute assembly
06/15/2006US20060124601 Contact element comprising rounded slot edges
06/15/2006US20060124600 Vacuum interrupter
06/15/2006US20060124599 Grounding switch having a moveable contact piece
06/14/2006EP1504461B1 Drive rod for switch
06/14/2006DE10054554B4 Hochspannungs-Leistungsschalter mit mehreren Schaltpolen High-voltage circuit breaker having a plurality of switching poles
06/14/2006DE10031821B4 LED mit Auskoppelstruktur LED outcoupling
06/14/2006CN2788338Y Double stable state permanent magnetic operating structure with manual separate brake device
06/14/2006CN2788337Y High-voltage sulfur hexafluoride circuit breaker
06/14/2006CN2788336Y Shaft sealer
06/14/2006CN1787349A Vacuum electronic auto-power-cutting switch
06/14/2006CN1787148A Vacuum interrupter
06/14/2006CN1787147A Switchgear
06/14/2006CN1787146A Opening and closing device
06/14/2006CN1787139A Arcing chamber of breaker
06/14/2006CN1787138A Electrical switchgear having electric arc extinguishing chamber with deionisation blades
06/14/2006CN1787124A Switchgear and supporting isolator
06/14/2006CN1259682C Operator for switch
06/08/2006US20060121283 Insulating material piece for an electrical high voltage device and method for production thereof
06/08/2006US20060119187 Electronic control systems and methods
06/08/2006DE202006005418U1 Electrical switching chamber for use in low tension switchgear has u-shaped metal handle, whose external blade runs at distance to contact arrangement between it and lateral switching chamber walls