| 摘要 |
PROBLEM TO BE SOLVED: To suppress risk of damage of a mounting part of a fuel adsorption member when back fire pressure from a suction side of an engine is received and simplify a structure. SOLUTION: In a cleaner housing 11, the fuel adsorption member 16 for adsorbing volatile fuel is provided in a downstream side of a filter element 14. A retention structure for retaining the fuel adsorption member 16 under a mounted condition when back fire pressure P1 from an intake aide of the engine is received. A pressure relief hole 22 as a pressure relief part for relieving back fire pressure P1 is formed on a part of the fuel adsorption member 16 as the retention structure. COPYRIGHT: (C)2007,JPO&INPIT
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