Fuel controller for internal combustion engine

Details Fuel controller for internal combustion engine Fuel controller for internal combustion engine

1983-03-02

1984-07-31

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Injection or carburetion system having a series of throttle...

123308, F02B 292

Patent

active

044623674

ABSTRACT:
In a fuel controller which comprises; a venturi portion formed in an air-intake path adapted to feed air to an internal combustion engine; a throttle valve installed on the downstream side of the venturi portion; an auxiliary throttle valve and a fuel injection portion provided between the throttle valve and the venturi portion; a bypass air path opened at the venturi portion and at the upstream side thereof; a hot-wire type air flow sensor provided in the bypass air path for detecting an amount of air passing therethrough; and a proportional electromagnetic device which controls the amount of air passing through the bypass air path at a constant level with an air needle valve provided therein and which controls an amount of fuel passing through a fuel path corresponding to an amount of air passing through the air-intake path with a fuel needle valve provided in the fuel path communicating with the fuel injection portion, the auxiliary throttle valve and the throttle valve are operated interlockedly through a link mechanism.

REFERENCES:
patent: 3721428 (1973-03-01), Gele et al.
patent: 4214561 (1980-07-01), Matsumoto et al.
patent: 4317438 (1982-03-01), Yagi et al.
patent: 4323038 (1982-04-01), Motosug et al.
patent: 4347816 (1982-09-01), Saito et al.

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