Patent · US Expired

Valve system for regulating the idling speed of Otto engines, particularly automobile engines

US4356802A · kind A · utility

8Cited by

4References

9Claims

0Family size

Assignee

VDO Adolf Schindling AG · DE

Inventors

Eckhart Kern · Hofheim, DE
Harald Collonia · Königstein, DE
Herbert Groh · Wetzlar, DE

Key dates

Filing date	Dec 12, 1980
Grant date	Nov 2, 1982
Priority date	—
Expiry date	Dec 12, 2000

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02D2011/102
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A valve system for regulating the idling speed of Otto engines, particularly automobile engines, by controlling the amount of air on an outlet side with an electromechanical setting member which comprises a valve element which limits the effective outlet cross section, the valve element being moveable by an electric drive member and being in communication on one side with the outlet side, and having a circuit which controls the setting member as a function of the speed of rotation. The valve element is mounted substantially free of friction and means are provided for exerting on the valve element a compensating force which opposes the force caused by the suction vacuum.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.