US PATENT SUBCLASS 477 / 160
.~.~.~.~.~.~ 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}
159  DF  .~.~.~.~.~ Responsive to speed {1}
160.~.~.~.~.~.~ Electric valve control {1}
161  DF  .~.~.~.~.~.~.~> Duty ratio control


DEFINITION

Classification: 477/160

Electric valve control:

(under subclass 159) Subject matter wherein the engine* intake pressure, fuel feed or velocity signal is an electric signal.