Fuel supply apparatus for an internal combustion engine

Details Fuel supply apparatus for an internal combustion engine Fuel supply apparatus for an internal combustion engine

1977-05-02

1979-03-20

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123139E, 261 36A, 261DIG74, F02M 6900

Patent

active

041448588

ABSTRACT:
A fuel supply apparatus for an internal combustion engine in which fuel is supplied to the air induction tube in proportion to the aspirated air flow rate. A fuel metering valve, which may be electromagnetically actuated on the basis of engine rpm and other variables, is connected to the induction tube, possibly into the bypass channel of a carburetor to provide fine fuel control. Between the fuel metering valve and the induction tube there is disposed a pneumatic valve assembly including an equal pressure valve, the pressure chamber of which controls the fuel flow and the control chamber of which is coupled to the pressure chamber of a further, differentially-biased pressure control valve connected to downstream portions of the induction tube. The differential pressure valve maintains the control pressure in the equal pressure valve.

REFERENCES:
patent: 3395899 (1968-08-01), Kopa
patent: 3650258 (1972-03-01), Jackson
patent: 3690305 (1972-09-01), Shimada et al.
patent: 3967607 (1976-07-01), Eckert
patent: 3981288 (1976-09-01), Wessel
patent: 3983848 (1976-10-01), Handtmann et al.
patent: 3994267 (1976-11-01), Eisele et al.

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