US PATENT SUBCLASS 123 / 339.28
.~.~.~.~ Having valve controlled vacuum actuator

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

Internet Version by PATENTEC © 1999      Terms of Use


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}
339.27  DF  .~.~.~ Including linear reciprocating solenoid control device {1}
339.28.~.~.~.~ Having valve controlled vacuum actuator

DEFINITION

Classification: 123/339.28

Having valve controlled vacuum actuator:

(under subclass 339.27) Subject matter wherein the electrically powered adjusting means controls the flow of a fluid through a passage connected to an expansible chamber of negative fluid pressure, and the negative fluid pressure in the chamber is used to actuate the movable element that varies the minimum output shaft operating speed.