INTAKE AIR FLOW CONTROL VALVE

摘要

An intake air flow control valve comprises a metal shaft having a noncircular cross sectional shape; and a valve element fixed to the metal shaft and arranged to close and open a cross section of the intake passage with rotation of the metal shaft. The valve element is an integral unit including a resin part of resin material and a metal part of metallic material. The resin part includes an intermediate portion formed with a shaft receiving groove in which the noncircular metal shaft is fit. The metal part extends along the shaft receiving groove, and includes a wide section to regulate fluid flow.