Air-vent system for a carburetor

Details Air-vent system for a carburetor Air-vent system for a carburetor

1975-05-29

1977-04-12

Husar, C. J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261DIG67, F02M 3700

Patent

active

040168484

ABSTRACT:
An air-vent system for a carburetor which selectively opens an outer vent of a float chamber to a fuel vapour adsorptive vessel under the control of a control valve which is normally opened by a spring force and is closed by air pressure delivered from an air pump driven by an engine when the engine rotational speed increases beyond a predetermined level.

REFERENCES:
patent: 1361581 (1920-12-01), Hibner
patent: 1647826 (1927-11-01), Feeley et al.
patent: 2589794 (1952-03-01), Frantz
patent: 3548797 (1970-12-01), Hagihara et al.
patent: 3683597 (1972-08-01), Beveridge et al.
patent: 3796049 (1974-03-01), Hayashi

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