Activated carbon canister
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United States of America Patent
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Mar 9, 2004
Grant Date -
Jan 9, 2003
app pub date -
Jul 2, 2002
filing date -
Jul 3, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A canister for a vehicular evaporative emission control system has activated carbon and heating means. The heating means heats the activated carbon particles. The activated carbon particles are characterized by the following properties. Pore volume is 0.28 ml/ml or more. Average pore radius is in a range of 10.5 Angstroms to 12.0 Angstroms. Particle diameter of the activated carbon is in a range of 1.0 mm to 1.6 mm. The activated carbon particles provide high performances on both of adsorption and desorption.
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