US PATENT SUBCLASS 137 / 159
.~.~ Gas pressure controlled by amount of liquid in trap

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


137 /   HD   FLUID HANDLING

154  DF  DIVERSE FLUID CONTAINING PRESSURE SYSTEMS {7}
156  DF  .~ Gas pressure discharge of liquids feed traps (e.g., to boiler) {3}
159.~.~ Gas pressure controlled by amount of liquid in trap {3}
160  DF  .~.~.~> Plural trap chambers {1}
162  DF  .~.~.~> Gravitating vessel {2}
165  DF  .~.~.~> Float responsive {3}

DEFINITION

Classification: 137/159

(under subclass 156) Feed-traps wherein the application of gas pressure is controlled by the amount of liquid in the feed-trap chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

183+, and 199+, for fluid responsive valves in fluid separating traps in diverse fluid containing pressure systems.