Internal combustion engine with charcoal canister

Details Internal combustion engine with charcoal canister Internal combustion engine with charcoal canister

1977-04-07

1978-09-12

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

60293, F02M 3302

Patent

active

041128982

ABSTRACT:
Disclosed is an internal combustion engine provided with a charcoal canister for absorbing evaporative fuel issued from the fuel tank and/or the float chamber of the engine. A pipe is provided between the canister and the intake manifold which is always located downstream of the throttle valve of the engine, for desorbing the absorbed evaporative fuel by the flow of purge air which flow is formed in the canister under the influence of a vacuum existing in the intake manifold. Thus, the evaporative fuel can still be introduced into the engine even if the throttle valve is in its idle position.

REFERENCES:
patent: 3191587 (1965-06-01), Hall
patent: 3653212 (1972-04-01), Gast et al.
patent: 3658042 (1972-04-01), Balluff
patent: 3680318 (1972-08-01), Nakajima et al.
patent: 3913545 (1975-10-01), Haase et al.
patent: 4031869 (1977-06-01), Onishi et al.

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