Patents
Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584)
01/2003
01/16/2003WO2003005392A1 Self bouncing arc switch
01/16/2003WO2003005389A1 Electrodynamic linear drive
01/16/2003US20030010752 Electric contact member and production method thereof
01/15/2003EP1276125A2 Circuit breaker
01/15/2003CN1391246A High voltage switch device with moving bridge contacts
01/14/2003US6506993 Drive device for a switching device for medium-voltage switchgear assemblies
01/14/2003US6506992 Vacuum interrupter for vacuum breaker
01/14/2003US6506990 Multipole electrical switchgear apparatus equipped with a drive mechanism and breaking modules
01/14/2003US6506481 Ceramic member for bonding, process for producing the same, vacuum switch, and vacuum vessel
01/14/2003US6506067 Disconnector
01/09/2003WO2003002906A1 Electric supply for an electric device which needs to be cooled, comprising an electric separating device, and the use thereof
01/09/2003US20030008542 Electrical connector
01/08/2003EP1274108A1 Gas blast circuit breaker pole which can be assembled or disassembled without appreciable gas losses
01/08/2003EP1273022A1 Low-voltage circuit breaker comprising a data memory
01/08/2003EP1273019A1 Filter bag
01/08/2003EP1155429B1 Vacuum interrupter chamber with ring-shaped insulator
01/08/2003CN2530345Y Spring executor of breaker
01/08/2003CN2530340Y High voltage vacuum arc-chutes
01/08/2003CN2530339Y Isolated fuse combined switch
01/08/2003CN1390357A Circuit interrupter and operating mechanism therefor
01/07/2003US6504125 Gas-filled switching apparatus
01/07/2003CA2276586C Electrical switchgear with synchronous control system and actuator
01/02/2003US20030001702 Multi-pole low voltage circuit breaker with one current measuring device per line
01/02/2003US20030000818 Overtoggled interrupter switch assembly
01/02/2003EP1271591A2 Sensor for accidental arc
01/02/2003EP1271590A1 Hybrid circuit breaker for middle or high voltage with vacuum and gas
01/02/2003EP1269504A1 Method for interrupting a short circuit current in a generator-near zone and method for carrying out said method
01/02/2003EP1269499A1 Circuit breaker
01/02/2003EP1190428B1 Operating mechanism for autorecloser with series disconnector
12/2002
12/31/2002US6501628 Method of synchronous circuit opening of generator circuit breaker, and its control apparatus
12/27/2002WO2002103734A1 Low-temperature high-voltage power circuit breaker
12/27/2002WO2002103733A1 Capacitor switch with external resistor and insertion whip
12/26/2002US20020195425 High-voltage interrupter device having combined vacuum and gas interruption
12/25/2002CA2389902A1 Switch device for high or medium voltage with mixed cut-off by vacuum and gas
12/24/2002US6498315 High-voltage switching device having at least two-series-connected vacuum interrupters, and a method for operation of the high-voltage switching device
12/24/2002US6498314 Vacuum switch and vacuum switchgear using the same
12/18/2002EP1267376A1 Self actuated power switch
12/18/2002EP1267374A1 Electrical interrupting device with mouvable contact bridge
12/18/2002EP1016111B1 High voltage circuit-breaker with a counter-contact which can be actuated
12/18/2002EP0746864B1 Solid state circuit breaker
12/18/2002CN2527007Y Precision positioner for three-position switch movable knife of inflating cabinet
12/17/2002US6495786 Vacuum exhaust element of vacuum switch
12/17/2002US6495785 Non-glue mounting of non-metallic tubes
12/17/2002US6495779 Contact assembly on a preselector
12/17/2002CA2231304C Insulated type switchgear device
12/12/2002WO2002099826A1 Electrical circuit interrupting device
12/11/2002CN2525670Y Silicon rubber moulded insulation vacuum breaker
12/11/2002CN2525669Y Indoor high voltage AC vacuum load switch
12/11/2002CN2525668Y Outdoor high voltage vacuum breaker
12/11/2002CN1384514A Electrode for vacuum breaker and its making process
12/11/2002CN1096094C Electrical switchgear with synchronous control system and actuator
12/11/2002CN1096093C Electric current switching apapratus with arc spinning extinguisher
12/11/2002CN1096092C Spring drive mechanism for switchgear, in particular circuit breaker
12/10/2002US6493203 Phase control switch apparatus
12/10/2002US6492888 Power circuit breaker with an actuating shaft
12/10/2002US6492609 Power station switch with a radiator/heat-exchanger
12/10/2002CA2080063C Multipole circuit breaker with single-pole units
12/05/2002WO2002097839A1 Control for at least one vacuum breaker gap
12/05/2002US20020179571 Electrical circuit interrupting device
12/05/2002DE10217743A1 Steuerung mindestens einer Vakuumschaltstrecke Controlling at least one vacuum switching path
12/04/2002CN2524363Y Electric force compensation structure of main contacts of low voltage vacuum circuit breaker
12/04/2002CN2524357Y Outdoor high-voltage isolated load switches
12/04/2002CN1383170A 开关 Switch
12/03/2002US6489581 Arc-blasting switch possessing a break chamber with low gas compression and reciprocating piston movement
11/2002
11/28/2002DE10125101A1 High voltage power switch quenching chamber has flap arrangement between heating and compression volumes that opens if compression volume pressure exceeds heating volume pressure
11/28/2002DE10125100A1 High voltage power switch quenching chamber has piston displaced to give additional heating volume if force resulting from heating volume gas pressure, piston area exceeds bias force
11/27/2002EP1261091A1 Gas insulated device and failure rating method
11/27/2002EP1149446B1 Horizontally positioned, encapsulated high-voltage circuit breaker
11/27/2002EP1092226B1 Electric railway vehicle and electric powering unit in particular for such a vehicle
11/27/2002EP0882320B1 High-voltage outdoor switch
11/27/2002CN2523008Y Self-energy outdoor high-voltage circuit breaker
11/27/2002CN1381857A Electric contact unit and manufacturing method thereof
11/27/2002CN1381855A Permanent-magnet manipulating mechanism
11/26/2002US6486421 Mechanical interlock with overtravel compensation for coordinating operation of circuit breakers
11/26/2002CA2114108C Modular closing resistor
11/21/2002DE19964249C2 Flexible conductor used in vacuum environment
11/20/2002CN1094640C Arc-extinguishing chamber for circuit breaker with self-extinguishing expansion and rotating arc
11/20/2002CN1094639C Arc-extinguishing chamber of circuit breaker with self-extinguishing expansion and thermosplastic resin enclosure
11/20/2002CN1094638C Movable contact part for high voltage circuit breaker with self-extinguishing expansion
11/20/2002CN1094597C Functional test process for mechanical switching element
11/19/2002US6483679 Capacitor switch with external resistor and insertion whip
11/19/2002US6483067 Electrical power distribution switch
11/19/2002US6483066 Switchgear assemblies having switching devices
11/19/2002US6483065 Methods and apparatus for current transmission through a circuit breaker
11/19/2002US6483064 Insulating blast nozzle for a circuit breaker
11/19/2002CA2264612C Encapsulated vacuum interrupter and method of making same
11/14/2002US20020166841 Electrode of vacuum circuit breaker, and method of producing electrode of vacuum circuit breaker
11/14/2002DE10120783C1 Schaltschloss zum Verklinken eines Federspeichers Latching mechanism for latching a spring store
11/14/2002DE10118746A1 Verfahren zum Betreiben eines Schaltgerätes mit einem zuschaltbaren Strombegrenzer und zugehörige Anordnung A method of operating a switching device with a switchable current limiter and associated arrangement
11/13/2002EP1256969A1 Electrode of vacuum circuit breaker, and method of producing electrode of vacuum circuit breaker
11/13/2002CN2520562Y Anti-burnt movable contact pull rod assembly of sulfur hexafluoride breaker
11/13/2002CN1379424A Self-energized thermal expansion type SF6 arc-extinguishing chamber of circuit breaker
11/12/2002US6479780 Circuit breaker for disconnecting an electrical apparatus from electrical network
11/12/2002US6479779 Vacuum switching device
11/12/2002US6479778 Vacuum switch including windmill-shaped electrodes
11/07/2002WO2002089164A1 Improvements made to fuse-holder bases
11/06/2002EP1254471A1 Method for producing an electromagnetic switchgear, e.g. a contactor
11/06/2002EP1185995B1 On/off control device especially for a disconnection device such as a circuit breaker and circuit breaker fitter with said device.
11/06/2002CN2519991Y Single coil and monostable permanent executing mechanism
11/06/2002CN2519990Y Split conductive clamp for vacuum circuit breaker