US PATENT SUBCLASS 137 / 115.02
.~.~.~ Liquid level responsive

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}
115.01  DF  .~.~ Bypass or relief controlled by main line fluid condition {3}
115.02.~.~.~ Liquid level responsive

DEFINITION

Classification: 137/115.02

Liquid level responsive:

(under subclass 115.01) Subject matter wherein the sensor is detecting the variation in the levels of the liquid in the main line and in response thereto the sensor controls the flow in the bypass or relief.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87.02, for a self-proportioning and correlating having a liquid level sensor.

101.25+, for a self-proportioning flow system having a liquid level sensor.