US PATENT SUBCLASS 477 / 149
.~.~.~.~.~ Electric valve control

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}
149.~.~.~.~.~ Electric valve control

DEFINITION

Classification: 477/149

Electric valve control:

(under subclass 144) Subject matter wherein control of fluid pressure to or from said chamber is by means of an electrically operated valve.

SEE OR SEARCH CLASS

701, Data Processing: Vehicles, Navigation, and Relative Location,

51+, for vehicle transmission control including significant calculations but absent specific transmission structure.