Fuel tank pressure-vacuum relief valve

Details Fuel tank pressure-vacuum relief valve Fuel tank pressure-vacuum relief valve

1976-01-19

1977-08-09

Dority, Jr., Carroll B.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

137493, F02M 5900

Patent

active

040404048

ABSTRACT:
Two check valves are connected between a fuel tank and a carbon canister to relieve excessive pressure or vacuum in the fuel tank.

REFERENCES:
patent: 3159176 (1964-12-01), Russel et al.
patent: 3613718 (1971-10-01), Ballinger
patent: 3616783 (1971-11-01), La Masters
patent: 3628517 (1971-12-01), Soberski
patent: 3724708 (1973-04-01), Burgess
patent: 3730158 (1973-05-01), St. Amond
patent: 3769952 (1973-11-01), Feidler et al.
patent: 3785401 (1974-01-01), Button
patent: 3831801 (1974-08-01), Rodgers
Sarto et al.; Society of Automotive Engineers;"Crysler Evaporation Control System" January 1970, pp. 4-5.

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