Evaporative emission control system

Details Evaporative emission control system Evaporative emission control system

1988-02-29

1989-12-12

Cusick, Ernest G.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Gas and other material separating passage or chamber

123518, 220 85VS, 220 85VR, B65B 3100

Patent

active

048860964

ABSTRACT:
An improved evaporative emission control system uses a charcoal canister, but, rather than air purging the canister of stored vapors, desorbs them, substantially without air, by application of a vaccum and reabsorbs the purged vapors into the liquid fuel in the tank. Any effect on driveability and exhaust emissions is thereby avoided, and canister capacity and efficiency are increased.

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patent: 2790307 (1957-04-01), Ayres
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patent: 3756291 (1973-09-01), McGahey et al.
patent: 3884204 (1975-05-01), Krautwurst et al.
patent: 3903708 (1975-09-01), Mair
patent: 4134271 (1979-01-01), Datis
patent: 4446838 (1984-05-01), Sukuki et al.
patent: 4598741 (1986-07-01), Johnson

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