Air-fuel ratio control system for engine starting

Details Air-fuel ratio control system for engine starting Air-fuel ratio control system for engine starting

1983-01-05

1985-01-22

Lall, Parshotam S.

Internal-combustion engines

Starting device

For airplane

123179L, F02N 1700

Patent

active

044944985

ABSTRACT:
A fuel supplying system used in engine starting includes throttle valve means disposed in an intake air passage and metering valve means disposed in a fuel passage which extends from a fuel reservoir to a space of the intake air passage downstream from the throttle valve means. In order to obtain a required air-fuel ratio of a mixture determined in accordance with data representing states of an engine, in the fuel supplying system an opening degree of the throttle valve means which have a response delay is held constant and an opening degree of the metering valve means is adapted to be changed in accordance with a change of the required air-fuel ratio.

REFERENCES:
patent: 3847130 (1974-11-01), Miyoshi et al.
patent: 3931808 (1976-01-01), Rachel
patent: 4157084 (1979-06-01), Wallis
patent: 4177784 (1979-12-01), Tatsutomi et al.
patent: 4187821 (1980-02-01), Zebil

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