Gas separation: apparatus – Solid sorbent apparatus – Plural diverse separating means
Patent
1997-08-25
1999-06-08
Smith, Duane S.
Gas separation: apparatus
Solid sorbent apparatus
Plural diverse separating means
96139, 96141, 96144, 96152, 123519, B01D 5304
Patent
active
059106379
ABSTRACT:
A fuel vapor storage canister including a mass of carbon granules in a carbon bed chamber of the canister, a liquid trap having a polygonal internal chamber between a vapor inlet port and the carbon bed chamber, and a purge duct traversing the polygonal chamber. The polygonal chamber includes a plurality of three sides which define the gravitational bottom of the chamber in respective ones of a plurality of three orientations of the vapor storage canister. A pick-up tube in the polygonal internal chamber has an outboard end at the convergence of the aforesaid plurality of three sides and an inboard end surrounding an orifice in the vapor purge duct. The inboard end of the pick-up tube is vertically above the maximum level of liquid fuel in the polygonal internal chamber in each of the aforesaid plurality of three orientations of the vapor storage canister. A pressure gradient between the vapor purge duct and the polygonal internal chamber induces liquid fuel to flow through the pick-up tube and the metering orifice into the vapor purge duct.
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Beadnell Timothy Michael
Covert Charles Henry
Meiller Thomas Charles
Cichosz Vincent A.
General Motors Corporation
Schwartz Saul
Smith Duane S.
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