US PATENT SUBCLASS 137 / 118.05
.~.~.~.~ Primer valve

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
109  DF  .~ Self-controlled branched flow systems {4}
118.01  DF  .~.~ Plural outflows {5}
118.04  DF  .~.~.~ Flow rate responsive {1}
118.05.~.~.~.~ Primer valve

DEFINITION

Classification: 137/118.05

Primer valve:

(under subclass 118.04) Subject matter wherein the change in the fluid flow rate in the main line actuates an outlet leading to a liquid trap seal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

247+, for liquid trap seals or liquid valves.