US PATENT SUBCLASS 477 / 121
.~.~ By input manifold pressure or engine fuel 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.~.~ By input manifold pressure or engine fuel control {6}
122  DF  .~.~.~> Selector-type
123  DF  .~.~.~> With positive shift means {1}
125  DF  .~.~.~> Prevents unsafe or unintentional shift {1}
127  DF  .~.~.~> Shift valve control {5}
143  DF  .~.~.~> Servo motor timing {5}
156  DF  .~.~.~> Transmission pressure controlled {3}

DEFINITION

Classification: 477/121

By input manifold pressure or engine fuel control:

(under subclass 115) Subject matter wherein the engine* is an air breathing, fuel burning type and the gear transmission* is regulated by air pressure at the intake of the engine or by a means to feed the fuel.