Apparatus and system for controlling the air-fuel ratio supplied

Fluid handling – Systems – Plural noncommunicating flow paths

Patent

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Details

13762518, 123438, F16K 3106, F16K 1114

Patent

active

042942829

ABSTRACT:
A carbureting type fuel metering apparatus has an induction passage into which fuel is fed by several fuel metering systems among which are a main fuel metering system and an idle fuel metering system, as generally known in the art; engine exhaust gas analyzing means sensitive to selected constituents of such exhaust gas creates feedback signal means which through associated solenoid transducer means become effective for controllably modulating the metering characteristics of the main fuel metering system, and, if desired, the idle fuel metering system as to thereby achieve the then desired optimum metering functions.

REFERENCES:
patent: 3263959 (1966-08-01), Wisniewski
patent: 3444895 (1969-05-01), Schnittker
patent: 4175103 (1979-11-01), Stoltman

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