| 摘要 |
PROBLEM TO BE SOLVED: To provide a variable intake system.SOLUTION: A variable intake system for adjusting an intake air amount comprises an air duct 10 for guiding the air sucked into an engine, and a variable valve 40 in which an opening and closing amount is variable. In the variable intake system, the air duct 10 includes a first suction port 21 and a second suction port 22, which are opened to the outside, and the air duct 10 is formed with a first flow passage 31 having one end connected to the first suction port 21 and with a second flow passage 32 having one end connected to the second suction port 22. The second flow passage 32 shares a part of the first flow passage 31, the other end of the first flow passage 31 and the other end of the second flow passage 32 share the same outflow port, and the length of the second flow passage 32 is longer than the length of the first flow passage 31. |
