US PATENT SUBCLASS 60 / 590
.~.~ Condition responsive device limits return flow from biased slave


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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
533  DF  .~ Pulsator {25}
590.~.~ Condition responsive device limits return flow from biased slave


DEFINITION

Classification: 60/590

(under subclass 533) Apparatus including structure between

the master and slave that (1) stops flow from slave toward the master after a measured quantity has been forced from the slave by the bias or (2) stops flow from the slave when the discharge pressure produced by the bias has dropped to a predetermined value.

SEE OR SEARCH THIS CLASS, SUBCLASS:

586+, for means associated with a master reservoir assembly establishing a standby pressure in the pulsator fluid.

SEE OR SEARCH CLASS

137, Fluid Handling,

493, for a bidirectional line condition responsive valve of general utility and subclass 598 for a valve, per se, disclosed as in a brake line. 188, Brakes,

351, for a fluid pressure operated brake having a hydraulic automatic slack adjustor.

303, Fluid-Pressure and Analogous Brake Systems,

81+, for a system distributing fluid to brakes having means controlling the release of pressure.