Patent ID: 6923157
Filing Date: 2005-08-02
Classification: F02D,F16K

Abstract:
1. A throttle device for an internal combustion engine comprised of: a throttle shaft rotating integrally with a throttle valve and having a sliding part with respect to a bearing at one end, a throttle body having a bore wall holding inside it said throttle valve in an operable state and a tubular bearing support supporting said sliding part of the throttle shaft, and an integral plug-type slide bearing accommodated and held in an inner circumference of said bearing support of the throttle body, rotatably supporting said sliding part of the throttle shaft, and air-tightly closing an opening of said bearing support of the throttle body, said throttle body having in said bearing support a shaft insertion hole in which said sliding part of the throttle shaft is inserted and having a ring-shaped end face at an open side of said bearing support, and said integral plug-type slide bearing having a closed-bottom tube rotatably and slidably supporting said sliding part of the throttle shaft and fit at its outer circumference in said shaft insertion hole with a clearance and a flange having an outer diameter larger than that tube and affixed to a ring-shaped end face of said bearing support.