US PATENT SUBCLASS 303 / 40
.~ Application valve

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

28  DF  AUTOMATIC {13}
40.~ Application valve

DEFINITION

Classification: 303/40

A valve having a diaphragm to be moved by increasing fluid-pressure to connect a source of pressure to a motor.

(1) Note. The fluid-pressure to move the diaphragm is usually supplied by the operation of an equalizing-valve.

SEE OR SEARCH CLASS

137, Fluid Handling,

627.5, for system including closing and opening alternately seating floe controllers.