Evaporation purge control device

Details Evaporation purge control device Evaporation purge control device

1976-06-16

1978-04-25

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 3700

Patent

active

040857212

ABSTRACT:
Hydrocarbon fuel vapors from an internal combustion engine are adsorbed during engine nonoperation on an adsorbent and thereafter desorbed during engine operation by backflowing atmospheric air therethrough and then combusted in said engine. Desorption is initiated and maintained when the total air flow to the engine reaches a predetermined minimum amount.

REFERENCES:
patent: RE26169 (1967-03-01), Hall
patent: RE26530 (1969-03-01), Wentworth
patent: 3001519 (1961-09-01), Dietrich et al.
patent: 3093124 (1963-06-01), Wentworth
patent: 3352294 (1967-11-01), Biller et al.
patent: 3456635 (1969-07-01), Hervert

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