Device for controlling evaporative emission from an automobile

Details Device for controlling evaporative emission from an automobile Device for controlling evaporative emission from an automobile

1979-07-16

1982-05-25

Myhre, Charles J.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

251359, 55417, 123520, F02M 3702

Patent

active

043311202

ABSTRACT:
A device for controlling evaporative emission from an automobile, which device comprises, a casing accommodating fuel gas absorbing agents, a tank port adapted to communicate with a fuel tank of the automobile and having a first check valve for permitting the flow of fuel gas from the fuel tank into the casing, and a purge port adapted to communicate with an internal combustion engine and having a second check valve for permitting the flow of fuel gas from the casing to the engine. Each of the check valves of the first and second check valves comprises a check ball of metal, and a valve seat engaging with the check ball and being made of thin metal plate formed in one body with a reinforcement of plastic.

REFERENCES:
patent: 3225786 (1965-12-01), Elliot
patent: 3575152 (1971-04-01), Wentworth
patent: 3683597 (1972-08-01), Beveridge et al.
patent: 3967808 (1976-07-01), Lieding
patent: 4167200 (1979-09-01), Bouteille
patent: 4173207 (1978-11-01), Hiramatsu

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