US PATENT SUBCLASS 477 / 135
.~.~.~.~.~ Downshift 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}
127  DF  .~.~.~ Shift valve control {5}
130  DF  .~.~.~.~ Plural shift valves {3}
135.~.~.~.~.~ Downshift control {1}
136  DF  .~.~.~.~.~.~> Kickdown


DEFINITION

Classification: 477/135

Downshift control:

(under subclass 130) Subject matter wherein significance is attributed to means for changing from a high speed ratio* to a lower speed ratio*.