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Class Information
Number: 218/53
Name: High-voltage switches with arc preventing or extinguishing devices > Arc preventing or extinguishing devices > Air-current blowout > With nozzle
Description: Subject matter including a terminal discharging pipe member which is attached to a first of the two contact members and in which compressed gas is caused to flow from a compression space into an expansion space.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6744001 |
High-voltage circuit-breaker including a valve for decompressing a thermal blast chamber |
Jun. 1, 2004 |
| 6740837 |
Contact zone for a power breaker |
May. 25, 2004 |
| 6646850 |
High-voltage power breaker having an outlet flow channel |
Nov. 11, 2003 |
| 6483064 |
Insulating blast nozzle for a circuit breaker |
Nov. 19, 2002 |
| 6472629 |
Puffer switch having a two-volume break chamber |
Oct. 29, 2002 |
| 6462295 |
High-voltage power circuit breaker comprising an insulating nozzle |
Oct. 8, 2002 |
| 6040970 |
Interrupter unit of a high-voltage power circuit breaker |
Mar. 21, 2000 |
| 5925863 |
Power breaker |
Jul. 20, 1999 |
| 5902980 |
Insulating component for high-voltage equipment |
May. 11, 1999 |
| 5654532 |
Moving interrupter gap shield |
Aug. 5, 1997 |
| 5453591 |
Sensing structure for component wear in high voltage circuit interrupters |
Sep. 26, 1995 |
| 4958052 |
ARC severing and displacement method and apparatus for fault current interruption |
Sep. 18, 1990 |
| 4798924 |
Compressed-gas breaker |
Jan. 17, 1989 |
| 4791256 |
Insulated nozzle for use in an interrupter |
Dec. 13, 1988 |
| 4786770 |
Switchgear |
Nov. 22, 1988 |
| 4748305 |
Gas-blast switch |
May. 31, 1988 |
| 4684773 |
Gas-blast switch |
Aug. 4, 1987 |
| 4471185 |
Series multiple nozzles for gas blast circuit interrupter |
Sep. 11, 1984 |
| 4420662 |
Compressed-gas circuit breaker |
Dec. 13, 1983 |
| 4418256 |
Electrically insulating plastic element for an electrical switching device, especially for use as the blast nozzle of a gas-blast switch |
Nov. 29, 1983 |
| 4414450 |
High voltage power switch |
Nov. 8, 1983 |
| 4383152 |
Circuit breaker |
May. 10, 1983 |
| 4346273 |
Circuit-interrupter having a high-frequency transverse magnetic field to assist in arc interruption |
Aug. 24, 1982 |
| 4181837 |
Compressed-gas circuit interrupter having insulated contacts |
Jan. 1, 1980 |
| 4151391 |
Contact arrangement for a pressurized gas circuit breaker |
Apr. 24, 1979 |
| 4032737 |
Contact system for high-voltage power circuit breakers |
Jun. 28, 1977 |
| 3949182 |
Breaking chamber for self-blasting compressed gas electric circuit-breakers |
Apr. 6, 1976 |
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