US PATENT SUBCLASS 477 / 163
.~.~.~.~.~ Electric valve control

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

34  DF  TRANSMISSION CONTROL {15}
115  DF  .~ Transmission controlled by engine {4}
121  DF  .~.~ By input manifold pressure or engine fuel control {6}
156  DF  .~.~.~ Transmission pressure controlled {3}
158  DF  .~.~.~.~ Line pressure controlled {3}
163.~.~.~.~.~ Electric valve control

DEFINITION

Classification: 477/163

Electric valve control:

(under subclass 158) Subject matter wherein the engine* intake pressure or fuel feed signal is an electric signal.