Patent ID: 6565067
Filing Date: 2003-05-20
Classification: F02D,F05C,F16K,Y10T

Abstract:
An intake air controller for an internal combustion engine comprising:a throttle valve controlling a flow amount of intake air flowing into the internal combustion engine; a shaft integrated with said throttle valve and rotating therewith; a plain bearing rotatably supporting said shaft at a first end thereof; a ball bearing rotatably supporting said shaft at a second end thereof, the ball bearing including an outer race, an inner race fixed on the shaft, and balls therebetween; and a throttle body including a first bearing holder supporting said plain bearing and a second bearing holder supporting said ball bearing, wherein an axial end of said second bearing holder is crimped to prevent said ball bearing from sliding out, and an elastic member is provided in said second bearing holder, said elastic member urging said ball bearing toward the axial end of said second bearing holder.