Canister of vehicle

Details Canister of vehicle Canister of vehicle

2007-11-13

2007-11-13

Hopkins, Robert A. (Department: 1724)

Gas separation: apparatus

Solid sorbent apparatus

Plural solid sorbent beds

C096S131000, C096S152000, C055S418000, C123S519000

Reexamination Certificate

active

11022229

ABSTRACT:
Two types of activated charcoals having different adsorption and desorption functions are appropriately disposed in a canister. Gas movement is evenly dispersed via an air space and diffuser equipped between the two activated charcoals. Thereby, leakage of fuel vapor from the canister to the atmosphere is minimized without implementing a supplementary component (e.g., a subsidiary canister), and reduction of the consumption amount of the activated charcoal by eliminating a dead volume.

REFERENCES:
patent: 6279548 (2001-08-01), Reddy
patent: 6874483 (2005-04-01), Zuchara

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