Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
02/1997
02/05/1997EP0756751A1 Bearing arrangement for a switch shaft
02/05/1997EP0756750A1 Lever arrangement to transmit a driving force
02/05/1997EP0756749A1 Tensioner for a spring-loading device
02/05/1997CN2246849Y Improvement of fixed-contact bearing rod of vacuum switch tube
02/05/1997CN1142128A Gas-insulating type load cut-off system
02/05/1997CN1142118A Cut-off device for metal-enclosed and gas-insulated high-voltage switch device
02/04/1997US5600112 Bushing assembly with circuit interrupters including polyphase operating mechanism
02/04/1997US5600111 Circuit-breaker having low self-compression
01/1997
01/30/1997DE19529013A1 Verfahren zur Funktionsprüfung eines mechanischen Schaltelementes Method for testing the function of a mechanical switching element
01/29/1997EP0755564A1 Device for tensioning the cut-in spring in actuator units for circuit breakers, in particular vacuum circuit breakers
01/28/1997US5598311 D.C. breaker arc extinguishing circuit
01/28/1997US5597993 Vacuum interrupter
01/28/1997US5597992 Current interchange for vacuum capacitor switch
01/23/1997DE19528290C1 Verfahren zur Überwachung des Qualitätszustandes des Füllgases Schwefelhexafluorid in gasgefüllten Anlagen Method for monitoring the quality state of the filling gas of sulfur hexafluoride in the gas-filled installations
01/23/1997DE19526394A1 Vacuum detection system for vacuum switch tube
01/23/1997DE19526393A1 Vacuum detection system for vacuum switch tube
01/22/1997EP0754346A1 Moving interrupter gap shield
01/22/1997EP0754345A1 Moving gas mixing plate for puffer interrupter
01/22/1997EP0603346B1 Automatic miniature circuit breaker with z-axis assemblable current response mechanism
01/22/1997CN1140920A Gas insulation switch apparatus
01/22/1997CN1140919A Gas insulation switch device
01/21/1997US5595287 Spring drive for a switching apparatus
01/16/1997WO1997001856A1 Circuit breaker arrangement for protection against electrical arcs
01/16/1997DE19547522C1 HV line circuit breaker with gas-storage space - has gas-storage space divided by partition into heating space and cold gas space
01/15/1997EP0753873A1 High voltage circuit breaker with an insulating body
01/15/1997EP0609346B1 Swivel coupling
01/15/1997CN1140323A Disconnecting switch
01/14/1997US5594224 Vacuum circuit interrupter
01/08/1997EP0752714A1 Gas-blast switch
01/08/1997CN2244774Y Vacuum switching tube with wavy glass case
01/07/1997US5591948 Vacuum cartridge, notably for a medium voltage electrical cicuit breaker or switch and a switch incorporating such a cartridge
01/03/1997WO1997000530A1 Electrical compressed gas power switch
01/02/1997DE19522852A1 Quench chamber for load disconnection switch
01/01/1997CN1139285A Electrode for vacuum circuit breaker
12/1996
12/31/1996US5589675 Vacuum switch
12/31/1996US5589673 Electric high-tension circuit breaker
12/31/1996CA2023525C Auto-blowing medium voltage breaker
12/27/1996EP0750328A1 Load break switch
12/27/1996EP0749628A1 Device for monitoring the operation safety of power switches (diagnosis apparatus)
12/25/1996CN1033676C Gas insulated switching device
12/24/1996US5587571 Combined-action puffer circuit-breaker
12/24/1996CA2079555C Super high voltage breaker
12/18/1996EP0749140A1 Interruption device for high-tension DC
12/18/1996EP0749139A1 Gasinsulated M.T. circuit breaker
12/18/1996CN2243121Y Hand-operated pull-spring energy-storage vacuum load switch with isolation
12/18/1996CN1138207A Gas circuit breaker equipped with self-expansion and rotating arc chamber
12/18/1996CN1138206A Improved flexible connector for circuit breaker
12/18/1996CN1138204A Ceramic resistor, production method thereof neutral grounding resistor and circuit breaker
12/17/1996US5585696 High current density glow discharge switch
12/17/1996US5585678 Device and process for monitoring a switch position
12/17/1996US5585611 Interrupter assembly
12/17/1996US5585610 Moving gas mixing plate for puffer interrupter
12/17/1996US5584383 Operating mechanism for circuit breaker
12/17/1996US5584180 Hydraulic device for operating at least one linearly movable component
12/12/1996DE19530776C1 Monitoring method for staged load switching device
12/11/1996EP0747917A2 Vacuum interrupter with a single internal assembly for generating an axial magnetic field
12/11/1996EP0746864A1 Solid state circuit breaker
12/11/1996EP0746862A1 Sequential isolating circuit breaker and actuator
12/11/1996EP0746859A1 Modular closing resistor
12/11/1996CN2242516Y Improvement of pressing bow-like cover of vacuum switch tube
12/04/1996EP0745262A1 High performance circuit breaker with independent pole operation linkage and conical composite bushings
12/04/1996CN1137162A 断路器 Breaker
12/04/1996CN1137161A Stock giving off arc-extinguishing gas, and gasblast circuit breaker comprising such stock
12/04/1996CN1137160A Circuit breaker
12/03/1996US5581192 Conductive liquid compositions and electrical circuit protection devices comprising conductive liquid compositions
11/1996
11/28/1996WO1996037903A1 Combined load-break switch and fuse assembly
11/28/1996WO1996037902A1 Insulating component for high-voltage equipment
11/28/1996DE19519992A1 Isolierendes Bauteil für Hochspannungsgeräte Insulating component for high voltage devices
11/28/1996DE19519419A1 Vacuum switch with cylindrical switching chamber
11/27/1996EP0744803A2 Isolator switch for metal-clad, high voltage switchgear
11/27/1996EP0744759A1 H.T. circuit breaker with a fixed heating chamber
11/27/1996CA2167565A1 Disconnector for a metal encapsulated, gas insulated high voltage switchgear
11/26/1996US5578806 Compressed gas-blast circuit breaker
11/26/1996US5578805 Metal-enclosed gas-filled switchgear units
11/21/1996WO1996036982A1 Control method and device for a switchgear actuator
11/21/1996DE19519079A1 High voltage vacuum switch
11/21/1996DE19519078A1 High voltage vacuum switch
11/21/1996DE19518533A1 Vacuum switch arrangement, esp. for multi-phase short circuits
11/20/1996EP0743665A2 Circuit breaker
11/20/1996EP0743131A1 Ceramic metal bonding
11/19/1996US5576523 Independent pole operation linkage
11/19/1996CA2083294C Sulfur hexafluoride, self-disconnect circuit breaker and applications to prefabricated cells, stations and sub-stations
11/19/1996CA2053951C Integrated capacitor sf6 circuit-breaker
11/14/1996DE19601540A1 Design of circuit interrupter e.g. for power distribution system
11/14/1996DE19518233A1 Vacuum switch contact arrangement for opening and closing circuits in HV switchgear
11/14/1996DE19517580A1 HV load switch with axially displaced contact tip
11/14/1996DE19517288A1 Vacuum interrupter tube arrangement
11/14/1996DE19517287A1 Electric switching unit for medium and high voltage
11/14/1996CA2172352A1 Circuit breaker
11/13/1996EP0742569A2 Material evolving an extinguishing gas and gas blast circuit breaker with such a material
11/13/1996CA2173190A1 Stock giving off arc-extinguishing gas, and gas-blast circuit breaker comprising such a stock
11/06/1996EP0741399A1 A gas-dielectric high-tension interrupter of the arc-puffer type
11/06/1996CN1135088A Contact electrode for vacuum interrupter
10/1996
10/31/1996DE19512652C1 Pressurised-gas power switch
10/30/1996EP0740322A2 Circuit interrupter arrangement
10/30/1996EP0740321A2 Electrode for vacuum circuit breaker
10/30/1996EP0740320A2 Apparatus for gas circuit breaker with reactor and capacitor connected in series and method for setting its circuit parameter
10/30/1996CN1134596A Puffer type gas circuit breaker
10/30/1996CN1134595A Circuit-breaker having two interrupting chambers per pole
10/29/1996US5569891 High performance circuit breaker with independent pole operation linkage and conical composite bushings