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Class Information
Number: 218/118
Name: High-voltage switches with arc preventing or extinguishing devices > Arc preventing or extinguishing devices > Vacuum
Description: Subject matter wherein the contacts are enclosed in an evacuated housing.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7545245 |
Manual opening device and electrical switching apparatus employing the same |
Jun. 9, 2009 |
| 7457105 |
Vacuum switchgear system and kit for system |
Nov. 25, 2008 |
| 7334319 |
Method for opening the contact gap of a vacuum interrupter |
Feb. 26, 2008 |
| 7310221 |
Switching installation provided with an electrically insulating barrier |
Dec. 18, 2007 |
| 7239490 |
Medium voltage vacuum circuit interrupter |
Jul. 3, 2007 |
| 7173208 |
Vacuum interrupter |
Feb. 6, 2007 |
| 7135652 |
Vacuum switchgear |
Nov. 14, 2006 |
| 6951993 |
Vacuum switch |
Oct. 4, 2005 |
| 6891122 |
Vacuum switch tubes |
May. 10, 2005 |
| 6884940 |
Vacuum switchgear |
Apr. 26, 2005 |
| 6867385 |
Self-fixturing system for a vacuum interrupter |
Mar. 15, 2005 |
| 6864456 |
Vacuum interrupter chamber with ring-shaped insulator |
Mar. 8, 2005 |
| 6855903 |
Vacuum switch |
Feb. 15, 2005 |
| 6765168 |
Electrode of vacuum circuit breaker, and method of producing electrode of vacuum circuit breaker |
Jul. 20, 2004 |
| 6765167 |
Electric contact member and production method thereof |
Jul. 20, 2004 |
| 6740838 |
Contact for vacuum interrupter and vacuum interrupter using the contact |
May. 25, 2004 |
| 6720515 |
Vacuum interrupter with two contact systems |
Apr. 13, 2004 |
| 6649856 |
Glazed ceramic article, metal and ceramic assembly having glazed ceramic article and vacuum switch having metal and ceramic assembly |
Nov. 18, 2003 |
| 6534738 |
Vacuum switch container, vacuum switch, method for producing vacuum switch container and method for producing vacuum switch |
Mar. 18, 2003 |
| 6510047 |
Conductive heat sink |
Jan. 21, 2003 |
| 6498314 |
Vacuum switch and vacuum switchgear using the same |
Dec. 24, 2002 |
| 6495786 |
Vacuum exhaust element of vacuum switch |
Dec. 17, 2002 |
| 6483066 |
Switchgear assemblies having switching devices |
Nov. 19, 2002 |
| 6483065 |
Methods and apparatus for current transmission through a circuit breaker |
Nov. 19, 2002 |
| 6479778 |
Vacuum switch including windmill-shaped electrodes |
Nov. 12, 2002 |
| 6476338 |
Vacuum switch |
Nov. 5, 2002 |
| 6444938 |
Switchgear with switching devices arranged in housings |
Sep. 3, 2002 |
| 6437275 |
Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof |
Aug. 20, 2002 |
| 6426475 |
Vacuum valve |
Jul. 30, 2002 |
| 6417472 |
Vacuum switching chamber having an annular insulator |
Jul. 9, 2002 |
| 6417473 |
Method and apparatus for mounting vapor shield in vacuum interrupter and vacuum interrupter incorporating same |
Jul. 9, 2002 |
| 6414257 |
Gas-insulated circuit-breaker with an integrated electronic current transformer |
Jul. 2, 2002 |
| 6410874 |
Breaking module comprising a vacuum cartridge and fixing means, and an electrical switchgear apparatus comprising such a module |
Jun. 25, 2002 |
| 6410875 |
Electrical switchgear apparatus comprising a vacuum cartridge and a flexible electrical connector |
Jun. 25, 2002 |
| 6335502 |
Vacuum switch and vacuum switch gear using the vacuum switch |
Jan. 1, 2002 |
| 6320149 |
Current contact system for a current switch |
Nov. 20, 2001 |
| 6259050 |
Burn-off contact arrangement |
Jul. 10, 2001 |
| 6259051 |
Vacuum switch and a vacuum switchgear using the same |
Jul. 10, 2001 |
| RE37244 |
Insulated type switching device |
Jun. 26, 2001 |
| 6248969 |
Vacuum circuit breaker, and vacuum bulb and vacuum bulb electrode used therefor |
Jun. 19, 2001 |
| 6215082 |
Load break interrupter having vented muffler assembly on arc-suppressing tube |
Apr. 10, 2001 |
| 6153846 |
Vacuum insulated switching apparatus |
Nov. 28, 2000 |
| 6150625 |
Vacuum circuit breaker with contact wear indicator tool |
Nov. 21, 2000 |
| 6144005 |
Vacuum switch and a vacuum switchgear using the same |
Nov. 7, 2000 |
| 6114647 |
Bellows and vacuum switch using the bellows |
Sep. 5, 2000 |
| 6107592 |
Vacuum switching apparatus |
Aug. 22, 2000 |
| 6080952 |
Electrode arrangement of vacuum circuit breaker with magnetic member for longitudinal magnetization |
Jun. 27, 2000 |
| 6005213 |
Insulated type switchgear device |
Dec. 21, 1999 |
| 5994850 |
Switching arrangements wherein a cylindrical trigger electrode is arranged around a gap between an anode and cathode for establishing a discharge therebetween |
Nov. 30, 1999 |
| 5955716 |
Interlock control for a circuit breaker and a disconnector |
Sep. 21, 1999 |
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