Internal-combustion engines – Charge forming device – Having fuel vapor recovery and storage system
Reexamination Certificate
2006-06-13
2006-06-13
Moulis, Thomas (Department: 3747)
Internal-combustion engines
Charge forming device
Having fuel vapor recovery and storage system
C123S519000, C123S520000
Reexamination Certificate
active
07059306
ABSTRACT:
An evaporative emission control system for a hybrid 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 apparatus for resistive heating of the activated carbon fiber material to help desorb the adsorbed butane and/or pentane isomers during a period when the internal combustion engine is operating for combustion of the desorbed vapor in the engine. The fibers are conductive and heat by resistive heating when electric current is passed through the fibers by the apparatus.
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General Motors Corporation
Marra Kathryn A.
Moulis Thomas
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