Method and system of evaporative emission control using...

Details Method and system of evaporative emission control using... Method and system of evaporative emission control using...

2006-04-04

2006-04-04

Miller, Carl S. (Department: 3747)

Internal-combustion engines

Charge forming device

Having fuel vapor recovery and storage system

C123S1980DA, C095S146000

Reexamination Certificate

active

07021296

ABSTRACT:
An evaporative emission control system for a vehicle comprises a scrubber containing an activated carbon fiber material selected to adsorb butane and/or pentane isomer vapors in low concentrations in air passing through the scrubber and to desorb the adsorbed butane and/or pentane isomers without being heated. A method for reducing bleed emission to below about 3 mg per day uses the scrubber.

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P. D. Sullivan, et al., “Adsorption and Electrothermal Desorption of Hazardous Organic Vapors,” J. Environmental Eng., Mar. 2001, pp. 217-223.

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