US PATENT SUBCLASS 303 / 59
.~ Outlet-pressure control

Current as of: June, 1999
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303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

*  DD  CHARGING {7}
59.~ Outlet-pressure control {1}
60  DF  .~.~> Maintaining

DEFINITION

Classification: 303/59

Charging devices adapted to cut off the flow of fluid when the outlet-pressure reaches a certain valve.

(1) Note. Search this class, subclass 54 for motorman's valves having this feature.

SEE OR SEARCH CLASS

137, Fluid Handling,

505+, for fluid pressure regulators, per se.