US PATENT SUBCLASS 477 / 145
.~.~.~.~.~ With fluid accumulator

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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  DF  .~.~.~ Servo motor timing {5}
144  DF  .~.~.~.~ Downshift {4}
145.~.~.~.~.~ With fluid accumulator {1}
146  DF  .~.~.~.~.~.~> Electric valve control

DEFINITION

Classification: 477/145

With fluid accumulator:

(under subclass 144) Subject matter wherein a variable enclosed space is placed in communication with the chamber to control the buildup or release of fluid in such chamber.

(1) Note. Included under this definition are "trimmer" valves which exhaust pressure in a fluid line until pressure builds up in an adjoining chamber and shuts off the exhaust.

SEE OR SEARCH CLASS

138, Pipes And Tubular Conduits,

30+, for accumulators, per se.

475, Planetary Gear Transmission Systems or Components,

129, for accumulator control of planetary gearing without an engine control.