US PATENT SUBCLASS 477 / 134
.~.~.~.~.~.~ Selector valve overrule

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}
127  DF  .~.~.~ Shift valve control {5}
130  DF  .~.~.~.~ Plural shift valves {3}
131  DF  .~.~.~.~.~ Electric control {2}
134.~.~.~.~.~.~ Selector valve overrule

DEFINITION

Classification: 477/134

Selector valve overrule:

(under subclass 131) Subject matter wherein significance is attributed to a manual valve movable to choose various gear speed ratios* of the gear transmission* and movable to a predetermined position to prevent normal operation of a shift valve.