Air-fuel ratio controller for carburetor

Details Air-fuel ratio controller for carburetor Air-fuel ratio controller for carburetor

1980-12-12

1982-12-21

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Auxiliary control of carburetor fuel metering

123438, 261 39D, F02B 3300, G05B 1502, F02M 706

Patent

active

043643540

ABSTRACT:
An air-fuel ratio controller for carburetors in which an auxiliary fuel system opening to the downstream side of a throttle valve of a carburetor is provided separately from the main and slow fuel systems of the carburetor. The air-fuel ratio of the mixture flowing through this auxiliary fuel system is controlled by a solenoid valve adapted to operate in accordance with either one or both of a parameter representing the warming up after cold start and a parameter representing deceleration of the engine.

REFERENCES:
patent: 1861725 (1932-06-01), Stokes
patent: 2577435 (1951-12-01), Siebenthaler
patent: 3960118 (1976-06-01), Konomi et al.
patent: 4057042 (1977-11-01), Aono
patent: 4088100 (1978-05-01), Tokura et al.
patent: 4132199 (1979-01-01), Kuroiwa et al.
patent: 4144861 (1979-03-01), Yamashita et al.
patent: 4216175 (1980-08-01), Schauer
patent: 4310888 (1982-01-01), Furabashi et al.

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