Patent ID: 6193211
Filing Date: 2001-02-27
Classification: F02D,F02M

Abstract:
A motor-operated exhaust gas recirculation control comprising a rotor shaft reciprocating with rotating motion of a motor, and a valve head movable to open and close an orifice with the reciprocating motion of said rotor shaft,wherein said valve comprises a motor, a valve body for supporting said valve head, and a body joining said motor and said valve body together and having a cooling water passage formed therein, andthe outer race of said ball bearing is held in place by said body,wherein an end face of an outer race of a ball bearing is held in place through a washer in the axial direction of said rotor shaft,wherein the washer is a wave washer arranged to form a heat insulating space between the outer race of the bearing and the body joining said motor and said valve body together.