Patent ID: 6796280
Filing Date: 2004-09-28
Classification: F02B,F02D,F02M,F16K,Y02T

Abstract:
An intake air control valve comprising:(a) a valve holder fitted and inserted to a communication hole formed in a partition wall separating a surge tank chamber arranged within a surge tank of a multiple cylinder internal combustion engine; (b) a valve body attached via a valve shaft so as to freely open and close a valve hole formed within said valve holder; and (c) a seal member fitted to a groove formed in a peripheral edge portion of said valve body, wherein said seal member is formed by a fitting and attaching portion fitted and attached to the groove of said valve holder, and a leading end seal portion brought into contact with an inner peripheral portion of the communication hole of said partition wall, and recess portions open to an inner side of said groove are provided in parallel in a longitudinal direction in said fitting and attaching portion so as to be separated by a plurality of ribs.