Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinsuke Kiyomiya0
Nobuhiko Koyama0
Kenji Nagasaki0
Date of Patent
March 11, 2008
0Patent Application Number
114530490
Date Filed
June 15, 2006
0Patent Primary Examiner
Patent abstract
A concentration-detecting unit detects concentration of fuel vapor flowing in a concentration-detecting passage branched from a purge passage. The concentration-detecting passage communicates with a communicating passage of a canister. Air including the fuel vapor of which concentration is detected by a concentration-detecting unit is returned to the communicating passage of the canister. The fuel vapor is adsorbed by an absorbent accommodated in a accommodating chamber to restrict a discharge of the fuel vapor into atmosphere.
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