US PATENT SUBCLASS 137 / 115.15
.~.~.~.~.~ Bypass or relief valve opens as other branch valve closes


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}
115.13  DF  .~.~.~ Pressure responsive {9}
115.14  DF  .~.~.~.~ Common sensor for both bypass or relief valve and other branch valve {1}
115.15.~.~.~.~.~ Bypass or relief valve opens as other branch valve closes


DEFINITION

Classification: 137/115.15

Bypass or relief valve opens as other branch valve closes.

(under subclass 115.14) Subject matter wherein the sensor opens the bypass or relief valve in the main line while it closes the additional valve in the main line or vice versa.