US PATENT SUBCLASS 477 / 143
.~.~.~ Servo motor timing

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}
143.~.~.~ Servo motor timing {5}
144  DF  .~.~.~.~> Downshift {4}
150  DF  .~.~.~.~> With fluid accumulator {2}
153  DF  .~.~.~.~> Double acting servo
154  DF  .~.~.~.~> Speed responsive control
155  DF  .~.~.~.~> Electric valve control

DEFINITION

Classification: 477/143

Servomotor timing:

(under subclass 121) Subject matter wherein a speed ratio* of the gear transmission* is engaged by a fluid actuated piston forming a movable wall of a chamber and means is provided to regulate the buildup or release of fluid pressure in one or more of such chambers.