US PATENT SUBCLASS 96 / 163
.~.~.~.~.~ At least one is gas outlet valve

Current as of: June, 1999
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96 /   HD   GAS SEPARATION: APPARATUS

155  DF  DEGASIFYING MEANS FOR LIQUID {13}
156  DF  .~ With control means responsive to sensed condition {3}
157  DF  .~.~ With liquid level sensing means {1}
158  DF  .~.~.~ Separator inlet or outlet valve responsive to float level {5}
162  DF  .~.~.~.~ Plural float-controlled valves {1}
163.~.~.~.~.~ At least one is gas outlet valve {1}
164  DF  .~.~.~.~.~.~> And pressure sensing means

DEFINITION

Classification: 96/163

At least one is gas outlet valve:

(under subclass 162) Apparatus in which at least one of the valves is used to release gas removed from the liquid under treatment.

SEE OR SEARCH THIS CLASS, SUBCLASS:

165+, for other means to degasify liquid with a gas outlet valve responsive to float level.