US PATENT SUBCLASS 303 / 63
.~.~ Failure-system pressure

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303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

*  DD  CHARGING {7}
*  DD  .~ Motor {2}
63.~.~ Failure-system pressure

DEFINITION

Classification: 303/63

Upon a reduction of pressure in the system to a point which may endanger control devices act to charge the motor.

SEE OR SEARCH CLASS

116, Signals and Indicators,

70, for analogous devices in which the same conditions result in a signal being given.