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Class Information
Number: 218/48
Name: High-voltage switches with arc preventing or extinguishing devices > Arc preventing or extinguishing devices > Air-current blowout > Contact structure
Description: Subject matter comprising structural details of an electrode which engages or disengages to open or close the circuit within circuit interrupter.










Sub-classes under this class:

Class Number Class Name Patents
218/49 Fixed 4
218/50 Movable 7


Patents under this class:

Patent Number Title Of Patent Date Issued
8502101 Circuit breaker Aug. 6, 2013
8314355 Gas insulated breaking device Nov. 20, 2012
7854058 Method of making high voltage operating rod sensor Dec. 21, 2010
7679021 Switching device Mar. 16, 2010
6884952 Contact finger for a high-power switchgear Apr. 26, 2005
6750746 Electromagnetic switching device, especially contractor, with a contact bridge support lock Jun. 15, 2004
6664494 Current collector and gas circuit breaker Dec. 16, 2003
6462295 High-voltage power circuit breaker comprising an insulating nozzle Oct. 8, 2002
6271494 High voltage circuit breaker with two arcing contacts which can be actuated in an opposite direction Aug. 7, 2001
6271493 High voltage disconnector with fixed and locking members secure under Lorentz forces Aug. 7, 2001
6259050 Burn-off contact arrangement Jul. 10, 2001
6239399 Interrupter with a resistor insertion system having a long insertion time May. 29, 2001
6211478 Switching arrangement and method for its production Apr. 3, 2001
6100489 Consumable switching arrangement Aug. 8, 2000
5981893 Electrical switching device Nov. 9, 1999
5977502 Gas circuit breaker Nov. 2, 1999
5929409 Power breaker Jul. 27, 1999
5902978 Power breaker May. 11, 1999
5869796 Contact device Feb. 9, 1999
5770828 Power circuit-breaker Jun. 23, 1998
5629506 Low voltage AC contactor including high recovery voltage gas system May. 13, 1997
5483031 Gas-insulated disconnector provided with structure for suppressing metal particles contamination Jan. 9, 1996
5464956 Rotating arc interrupter for loadbreak switch Nov. 7, 1995
5453591 Sensing structure for component wear in high voltage circuit interrupters Sep. 26, 1995
5059932 Quick-action circuit breaker assisted by a control circuit Oct. 22, 1991
4937406 Insulator-type gas circuit interrupter Jun. 26, 1990
4883931 High pressure arc extinguishing chamber Nov. 28, 1989
4843199 Gas-blast circuit breaker Jun. 27, 1989
4685019 Controlled electrical contacts for electrical switchgear Aug. 4, 1987
4683353 Rotary switch for inductively driven rail gun systems Jul. 28, 1987
4668848 Alignment and centering arrangement for contacts of an interrupting device May. 26, 1987
4651024 Electromagnetically actuated high DC current switch Mar. 17, 1987
4618752 Gas-insulated interrupter Oct. 21, 1986
4458121 DC Circuit breaker Jul. 3, 1984
4435627 High tension circuit breaker Mar. 6, 1984
4431878 Compression piston switch Feb. 14, 1984
4393291 Gas blast interrupters Jul. 12, 1983
4378477 Gas-blast switch Mar. 29, 1983
4309581 Gas circuit breaker having independent main and arcing circuits Jan. 5, 1982
4296289 Electric gas-blast switch Oct. 20, 1981
4286128 Electric gas-switch Aug. 25, 1981
4268732 Arc quenching chamber for high breaking capacity circuit breakers May. 19, 1981
4256940 Gas-blast type circuit interrupter Mar. 17, 1981
4229723 Diaphragm having a pattern of reduced thickness in a high voltage, circuit-interrupting device Oct. 21, 1980
4225762 Gas blast circuit breaker Sep. 30, 1980
4221942 Apparatus and method for quenching an arc in a gas flow circuit Sep. 9, 1980
4181837 Compressed-gas circuit interrupter having insulated contacts Jan. 1, 1980
4146763 Compressed gas circuit breaker Mar. 27, 1979
4131775 Compressed-gas circuit-interrupters of the puffer-type having improved supporting, shielding and assembly features Dec. 26, 1978
4112276 Compressed-gas circuit-interrupter having a sleeve-valve for temporarily blocking the orifice throat Sep. 5, 1978











 
 
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