Canister for adsorbing fuel vapors

Details Canister for adsorbing fuel vapors Canister for adsorbing fuel vapors

1987-09-22

1988-07-19

Prunner, Kathleen J.

Gas separation

With separating media bypass or system gas pressure relief

Valved bypass means

55387, 55475, 123519, B01D 5304

Patent

active

047582553

ABSTRACT:
A canister for absorbing fuel vapors includes a vapor-absorbing adsorbent layer contained in a cylindrical, laterally-mounted casing, an intake port and a purge port which are provided at one side of the adsorbent material layer, an air port provided at the other side of the adsorbent layer, fixed filters and perforated retaining plates for retaining the two sides of the vapor absorbing material layer, and a device for preventing a space from occurring in the adsorbent layer, the device being provided in an upper wall portion of the casing and including a tubular guide having a lower end opening into the adsorbent layer, a plunger fitted into the guide slidably in the vertical direction, and a spring for urging the plunger downward.

REFERENCES:
patent: 3728846 (1973-04-01), Nilsson
patent: 3831353 (1974-08-01), Toth
patent: 3838977 (1974-10-01), Warren
patent: 3847574 (1974-11-01), Fish
patent: 3884204 (1975-05-01), Krautwurst et al.
patent: 4338106 (1982-07-01), Mizuno et al.
patent: 4448594 (1984-05-01), Kozawa
patent: 4496379 (1985-01-01), Kozawa

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