| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a passage switching valve and an exhaust gas purifier which are capable of increasing the cross-sectional area of a first passage without increasing the size of a case and reducing the load of an actuator. <P>SOLUTION: A passage switching valve 44 includes a rotation shaft 45 which is provided in a branch position at which the passage is branched into a bypass passage 40 and a main passage 41 and which is rotated by an actuator, and a first valve portion 46 and a second valve portion 47 which are attached to the rotation shaft 45, bent about the center axis of the rotation shaft 45, and extend to the bypass passage 40 side and to the main passage 41 side, relatively, and is configured so that the second valve portion 47 is applied with a moment by the pressure of the exhaust gas that is reverse to a moment that the first valve portion 46 receives from the pressure of the exhaust gas. <P>COPYRIGHT: (C)2011,JPO&INPIT |
