US PATENT SUBCLASS 477 / 158
.~.~.~.~ Line pressure controlled

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.~.~.~.~ Line pressure controlled {3}
159  DF  .~.~.~.~.~> Responsive to speed {1}
162  DF  .~.~.~.~.~> Transmission setting contingent
163  DF  .~.~.~.~.~> Electric valve control

DEFINITION

Classification: 477/158

Line pressure controlled:

(under subclass 156) Subject matter wherein a pump is the source of fluid pressure and feeds fluid to a valve effective to regulate said pressure in response to engine* intake

pressure or fuel feed.