| 摘要 |
PROBLEM TO BE SOLVED: To reduce pressure loss when opening a valve and control flow of intake air in an intake passage without worsening durability and using a complicated mechanism. SOLUTION: In this variable intake device 20 having an air stream control valve 30 arranged turnably in an internal passage 22 of an intake pipe 21 to change passing area of intake air flowing in the internal passage 22, the air stream control valve 30 is formed along an internal wall 22a of the internal passage 22. COPYRIGHT: (C)2005,JPO&NCIPI
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