| 摘要 |
PROBLEM TO BE SOLVED: To provide an evaporated fuel treatment device of an internal combustion engine capable of increasing precision in computation of target opening of a purge valve. SOLUTION: In this evaporated fuel treatment device 10 provided with a purge path 12 provided so as to lead purge gas into each of a plurality of groups of cylinders from a canister 11, the purge valves 13L, 13R provided in each of branched parts 12L, 12R of the purge path 12, and ECUs 7L, 7R for controlling each purge valve to target opening, the ECUs 7L, 7R compute target opening of the purge valves 13L, 13R or flow rate of purge gas corresponding to the target opening on the assumption that the other purge valve other than the purge valve which is an object of computation by itself is closed when they are computed, respectively, and compensate the obtained computed values by taking effect of opening of the other purge valve into account. COPYRIGHT: (C)2007,JPO&INPIT
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