| 摘要 |
PROBLEM TO BE SOLVED: To provide an evaporated fuel treatment device in which the concentration of an evaporated fuel to be purged is stabilized and the occurrence of noise is suppressed. SOLUTION: This evaporated fuel treatment device 2 comprises a purge passage 31 for purging the evaporated fuel produced in a fuel tank 4 by guiding it into the intake system 8 of an internal combustion engine 6, a volume chamber 34 formed in the purge passage 31 and expanding the volume of the passage, and a pump 40 placed in the volume chamber 34 and producing fluid flow in the purge passage 31. COPYRIGHT: (C)2007,JPO&INPIT
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