| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an intake duct used in an intake system of an automobile engine, and having high air supply performance and a noise reducing effect. <P>SOLUTION: In the intake duct 10, an opening 26 is formed at a pipe wall 25 of a duct 21 and the opening 26 is blocked by a ventilating member 41. An air straightening fin 61 is slantingly arranged in at least one of the inside or the outside of the opening 26 of the duct 21 so that the other end side 612 of the air straightening fin positioned at the air outlet side 212 of the duct 21 approaches the duct center line C passing through the center of a cross section of the duct 21 rather than one end side 611 of the air straightening fin positioned at the air suction side 211 of the duct 21. <P>COPYRIGHT: (C)2013,JPO&INPIT |
