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Class Information
Number: 361/4
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > Arc suppression at switching point (i.e., includes solid-state switch) > Synchronized or sequential opening or closing > Counter electromotive force
Description: Subject matter with means for inserting an opposing voltage or current across the switching points to effectively cancel the arc producing surge.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8270128 |
Commutation type DC breaker |
Sep. 18, 2012 |
| 8150557 |
Method and system for reducing feeder circuit loss using demand response |
Apr. 3, 2012 |
| 8134820 |
Contactor control circuit |
Mar. 13, 2012 |
| 7970650 |
POS device |
Jun. 28, 2011 |
| 7875822 |
Ablative-based multiphase current interrupter |
Jan. 25, 2011 |
| 7778738 |
Method and system for reducing feeder circuit loss using demand response |
Aug. 17, 2010 |
| 7660083 |
Electromechanical and solid-state AC relay with reduced arcing |
Feb. 9, 2010 |
| 7542250 |
Micro-electromechanical system based electric motor starter |
Jun. 2, 2009 |
| 6687100 |
Method of dissipating energy from a contactor coil |
Feb. 3, 2004 |
| 6466420 |
High voltage disconnector having a moving contact that is moved at high speed |
Oct. 15, 2002 |
| 6075684 |
Method and arrangement for direct current circuit interruption |
Jun. 13, 2000 |
| 5854729 |
Power system device and method for actively interrupting fault current before reaching peak magnitude |
Dec. 29, 1998 |
| 5703743 |
Two terminal active arc suppressor |
Dec. 30, 1997 |
| 5517378 |
Direct-current breaker for high power for connection into a direct-current carrying high-voltage line |
May. 14, 1996 |
| 5502609 |
Electric circuitry for preventing contactor tip contamination in dry switching applications |
Mar. 26, 1996 |
| 5452170 |
Commutation type DC breaker |
Sep. 19, 1995 |
| 5402297 |
Commutating type DC circuit breaker arrangement |
Mar. 28, 1995 |
| 5214557 |
D.C. vacuum circuit breaker for an electric motor vehicle |
May. 25, 1993 |
| 5210674 |
Superconducting coil protective system |
May. 11, 1993 |
| 4805062 |
DC circuit breaker and method of commutation thereof |
Feb. 14, 1989 |
| 4740858 |
Zero-current arc-suppression dc circuit breaker |
Apr. 26, 1988 |
| 4618905 |
DC circuit breaker |
Oct. 21, 1986 |
| 4578730 |
High-voltage DC circuit breaker apparatus |
Mar. 25, 1986 |
| 4544978 |
Circuit for the arcless de-energization of a direct current load |
Oct. 1, 1985 |
| 4449162 |
Drive circuit |
May. 15, 1984 |
| 4442469 |
DC Circuit breaker apparatus |
Apr. 10, 1984 |
| 4356525 |
Method and circuit for controlling a hybrid contactor |
Oct. 26, 1982 |
| 4346420 |
Magnetoplasmadynamic switch |
Aug. 24, 1982 |
| 4319296 |
Series connected oscillating transverse field interrupter and method |
Mar. 9, 1982 |
| 4307428 |
Circuit breaker apparatus for high voltage direct currents |
Dec. 22, 1981 |
| 4305107 |
DC Interrupting apparatus |
Dec. 8, 1981 |
| 4300181 |
Commutation circuit for an HVDC circuit breaker |
Nov. 10, 1981 |
| 4287436 |
Electrical circuit for driving an inductive load |
Sep. 1, 1981 |
| 4249223 |
High voltage DC contactor with solid state arc quenching |
Feb. 3, 1981 |
| 4216513 |
D.C. Circuit breaker |
Aug. 5, 1980 |
| 4172268 |
Direct current circuit interrupting apparatus |
Oct. 23, 1979 |
| 4110806 |
Circuit interrupting apparatus for use in direct current circuits |
Aug. 29, 1978 |
| 4056836 |
Method and apparatus for interrupting large current |
Nov. 1, 1977 |
| 4036199 |
Device for protecting an ignition device for motor vehicles |
Jul. 19, 1977 |
| 3949239 |
Circuit for actuating a monostable or bistable inductive device |
Apr. 6, 1976 |
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