US PATENT SUBCLASS 477 / 201
.~.~.~ Controls brake valve

Current as of: June, 1999
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477 /   HD   INTERRELATED POWER DELIVERY CONTROLS, INCLUDING ENGINE CONTROL

182  DF  BRAKE CONTROL {8}
199  DF  .~ Brake engaged when engine energy deactivated, brake disengaged when engine energy is activated {1}
200  DF  .~.~ Internal combustion engine {1}
201.~.~.~ Controls brake valve {1}
202  DF  .~.~.~.~> Vacuum actuated brake

DEFINITION

Classification: 477/201

Controls brake valve:

(under subclass 200) Subject matter wherein the regulating means for the brake* moves the brake* into an operating position by the action of fluid flowing through a passage, and the regulating means of the engine* operates a fluid restricting device in the passage between open, shut, and partially open positions.