Carburetor outer vent control device

Details Carburetor outer vent control device Carburetor outer vent control device

1977-09-26

1980-06-24

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2500

Patent

active

042089972

ABSTRACT:
A carburetor outer vent control device for use in a fuel system of a motor vehicle of the type including an outer vent provided in a float chamber of the carburetor, a charcoal canister and a fuel vapor line coupling the outer vent with the charcoal canister. The carburetor outer vent control device includes a valve means provided in the fuel vapor line which is only open when an excessive amount of fuel vapor is present in the float chamber and an engine of the motor vehicle is not running.

REFERENCES:
patent: 3001519 (1961-09-01), Dietrich et al.
patent: 3093124 (1963-06-01), Wentworth
patent: 3191587 (1965-06-01), Hall
patent: 3548797 (1970-12-01), Hagihara et al.
patent: 4094292 (1978-06-01), Takagi et al.
patent: 4116184 (1978-09-01), Tomita

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