Device and method for recycling hydrocarbon vapors of I.C.E. veh

Details Device and method for recycling hydrocarbon vapors of I.C.E. veh Device and method for recycling hydrocarbon vapors of I.C.E. veh

1976-01-14

1978-01-31

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

Methods

60307, 123136, F01N 310

Patent

active

040708284

ABSTRACT:
The invention is directed to a novel method and means for recycling to the carburetor the hydrocarbon vapors emitted by a motor vehicle of the type comprising between the fuel tank and the pipe connecting the air filter to the carburetor a container or canister for adsorbing the hydrocarbons. In the method of this invention, the hydrocarbons thus adsorbed by a suitable material contained in the canister are desorbed by using a stream of air under pressure from a pump, for example the anti-pollution pump provided for injecting fresh atmospheric air into the exhaust system of the vehicle.

REFERENCES:
patent: 3001519 (1961-09-01), Dietrich
patent: 3191587 (1965-06-01), Hall
patent: 3618314 (1971-11-01), Krebs
patent: 3645098 (1972-02-01), Templin
patent: 3680318 (1972-08-01), Nakajima
patent: 3913545 (1975-10-01), Haase

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