US PATENT SUBCLASS 137 / 119.03
.~.~.~.~ Responsive to pressure or flow interruption

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}
119.01  DF  .~.~.~ Alternately or successively substituted outflow {7}
119.03.~.~.~.~ Responsive to pressure or flow interruption {2}
119.04  DF  .~.~.~.~.~> Plural outlets control with automatic reset
119.05  DF  .~.~.~.~.~> Manually set to a single outflow position

DEFINITION

Classification: 137/119.03

Responsive to pressure or flow interruption:

(under subclass 119.01) Subject matter comprising a valve and wherein the alternately or successively substituted outflow is controlled by the valve in response to a break in the pressure of the fluid or a break in the flow of the fluid being detected by the sensor.