US PATENT SUBCLASS 141 / 225
.~.~.~.~.~ Air displacement trip means

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

192  DF  AUTOMATIC CONTROL OF FLOW CUTOFF OR DIVERSION {4}
198  DF  .~ Level or overflow responsive {3}
206  DF  .~.~ Manually initiated valve with both manual and level cut-off controls {5}
217  DF  .~.~.~ Diverse controls for single valve {1}
218  DF  .~.~.~.~ Valve latched open {3}
225.~.~.~.~.~ Air displacement trip means {1}
226  DF  .~.~.~.~.~.~> By response to receiver pressure increase

DEFINITION

Classification: 141/225

(under subclass 218) Filling apparatus in which the holding means is rendered ineffective by some means which responds to the change of the gaseous condition in the system.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39+, for diverse fluid containing pressure filling systems wherein the filling means is controlled by a gas condition in the receiver.

214, for pressure control in one of plural series valves one of which is level responsive, and see the search notes thereto.