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FUEL VAPOR PROCESSING DEVICES

  • US 20120260893A1
  • Filed: 04/13/2012
  • Published: 10/18/2012
  • Est. Priority Date: 04/15/2011
  • Status: Active Grant
First Claim
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1. A fuel vapor processing device comprising:

  • a casing having an adsorption chamber defined therein and including a charge port for introducing a fuel vapor containing gas into the adsorption chamber, a purge port for purging fuel vapor from the adsorption chamber, and an atmospheric port for introducing purge air into the adsorption chamber;

    an adsorption material disposed within the adsorption chamber and capable of absorbing fuel vapor and allowing desorption of fuel vapor;

    a heating device capable of heating the adsorption material; and

    an enclosure enclosing at least a part of the casing defining an outer wall of the adsorption chamber,wherein a flow space is defined between the enclosure and the at least a part of the casing; and

    wherein the flow space is configured to allow the purge air to be introduced into the adsorption chamber after flowing through the flow space.

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