Fuel tank with carbon canister and shut-off valve

Details Fuel tank with carbon canister and shut-off valve Fuel tank with carbon canister and shut-off valve

1993-08-23

1995-04-25

Miller, Carl S.

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

123516, F02M 3302

Patent

active

054089778

ABSTRACT:
A compact fuel tank assembly with a readily accessible shut-off valve, a carbon canister nested in the fuel tank for collecting evaporative emissions from the tank as well as from a float bowl of a carburetor, and an air vent and purge port for drawing stored evaporative emissions from the carbon canister into the carburetor for combustion in an engine. To prevent fuel splash from the tank from entering the canister, a fluid trap in the fuel tank passes fuel vapors and returns liquid fuel splash to the tank. Activated charcoal is retained in the carbon canister in a baffle array for drawing and storing vapors in the activated charcoal, as well as drawing off the stored vapors for combustion within the engine.

REFERENCES:
patent: 2263326 (1941-11-01), Yeager
patent: 3575152 (1971-04-01), Wentworth
patent: 3802403 (1974-04-01), Dewick
patent: 3884204 (1975-05-01), Krautwurst
patent: 3913545 (1975-10-01), Haase
patent: 4024848 (1977-05-01), Lee
patent: 4203401 (1980-05-01), Kingsley
patent: 4778495 (1988-10-01), Bishop
patent: 5080421 (1992-01-01), Otowa
patent: 5148793 (1992-09-01), Reddy
patent: 5313978 (1994-05-01), Takai

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