US PATENT SUBCLASS 303 / 73
.~.~.~ Blow down

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

*  DD  RELEASING {3}
68  DF  .~ Motor {5}
72  DF  .~.~ Delayed {2}
73.~.~.~ Blow down

DEFINITION

Classification: 303/73

The motor is partially released through a loaded valve that permits a more or less slow reduction of pressure.