| 摘要 |
PROBLEM TO BE SOLVED: To stably suck water and oil which are accumulated in a lower part of a chamber by a simple constitution.SOLUTION: An intake device 2 comprises: upstream-side intake passages 2a, 2b and 61 which introduce intake air to a flow-in port 22 of a chamber 20; downstream-side intake passages 25, 26 which introduce intake air to a cylinder 1a from a flow-out port 24 of the chamber 20; a throttle valve 62; and a fine-pipe shaped suck-out passage 7 which sucks out a remaining liquid stayed in a lower part of the chamber 20. The suck-out passage 7 has a main passage 70 which bypasses the chamber 20 from an upstream side of the throttle valve 62, and a sub-passage 80 which communicates to the lower part of the chamber 20 and the main passage 70. The main passage 70 has an intake introduction part 71 which is protruded from an inner wall face 61a of the upstream-side intake passage 61. An opening 71b of the intake introduction part 71 is located apart from the inner wall face 61a as progressing toward an upstream side. |
