US PATENT SUBCLASS 123 / 339.25
.~.~.~ Including rotary actuator

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

319  DF  ENGINE SPEED REGULATOR {16}
339.1  DF  .~ Idle speed control {5}
339.14  DF  .~.~ Electrically operated control means {6}
339.25.~.~.~ Including rotary actuator {1}
339.26  DF  .~.~.~.~> Stepping motor type

DEFINITION

Classification: 123/339.25

Including rotary actuator:

(under subclass 339.14) Subject matter wherein the electrically powered adjusting means includes a member which is turned about an axis by a source of electrical energy.

(1) Note. The member may turn about its axis less than 360 degrees and still be proper for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

361, for electrical sensing or regulating of engine speed with the engine being part of a closed loop condition responsive feedback system and an engine speed error producing circuit controlling an electric throttle operator.

399, for an open loop condition responsive engine speed regulator having an electrical device between the input and the speed regulator.

585+, for a charge-forming device having a quantity of auxiliary air or oxygen added to the combustible mixture.

SEE OR SEARCH CLASS 251, Valves and Valve Actuation, appropriate subclasses for a valve of general utility and a valve actuator therefor, and especially

129.01+, for an electrically actuated valve.