| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an engine intake device forming a satisfactory combustion chamber air flow with a simple structure in an engine having a plurality of cylinder heads. <P>SOLUTION: The engine intake device 100 for supplying combustion air to intake ports 32, 42 of the plurality of cylinder heads 30, 40 includes: a first collector chamber 152 dividing the interior of an intake pipe 110, 120, 130, 140 of each cylinder into first and second flow passages and supplying air to the first flow passage 112, 122, 132, 142; a second collector chamber 153 supplying the air introduced from the first collector chamber to the second flow passage 113, 123, 133, 143; partition parts 155, 156 dividing the inside of the second collector chamber at every cylinder; and a control valve 160 opening and closing a communication part 154 between the first collector chamber and the second collector chamber and intercepting communication between the second flow passages of the respective cylinders via the second collector chambers when closing. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
