US PATENT SUBCLASS 218 / 106
.~.~.~.~ With venting means

Current as of: June, 1999
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218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
89  DF  .~ Interposed non-conductor {3}
91  DF  .~.~ Liquid {14}
103  DF  .~.~.~ Arcing chamber {3}
106.~.~.~.~ With venting means

DEFINITION

Classification: 218/106

With venting means:

(under subclass 103) Subject matter including means to release excess pressure occurring within the arcing chamber of the liquid circuit breaker.

SEE OR SEARCH THIS CLASS, SUBCLASS:

35, for magnetic blowout arc chute.

99, for details of liquid circuit interrupter housing.

157, for general arc preventing device.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

306, for details of venting means in a switch housing.