Patent ID: 6417759
Filing Date: 2002-07-09
Classification: F02M,G01D

Abstract:
An exhaust gas recirculation sensor comprising:an operating shaft movable linearly in the axial direction; a bearing portion for guiding movement of the operating shaft; a movable member movable linearly by the operating shaft; a spring member for returning movement of the movable member and biasing the movable member so as to resiliently contact the movable member onto the operating shaft; a case for guiding movement of the movable member; and detection means operated by movement of the movable member, wherein the operating shaft is provided in its rear portion with a convex portion protruding from a shaft portion in the direction orthogonal to the axial direction, the bearing portion is provided with a concave portion connected to a hole through which the shaft portion is inserted and allowing the convex portion to be inserted therethrough in the axial direction,.and the convex portion protruding from the rear end of the bearing portion is retained to the rear end of the bearing portion other than the concave portion.