Patent ID: 6626413
Filing Date: 2003-09-30
Classification: F01N,F16F

Abstract:
An exhaust pipe supporting device integrally molded with the exhaust pipe, consisting of a rubber elastomer and including:a first holding portion having a through-hole, in which a supporting member extending from the vehicle body is inserted, a second holding portion having a through-hole in which a supporting member extending from the exhaust pipe is inserted, a pair of side wall portions which connect on both sides of the first holding portion and the second holding portion at intervals, and a center vibration damping portion interposed at an intermediate position between the first and second holding portions and connected to the two side wall portion, wherein: the center vibration damping portion comprises a center portion formed as a mass portion and a pair of connecting portions which connect the mass portion on both its sides to the side wall portions, the mass portion is formed to have larger mass than that of the connecting portion, the size (T1) of the connecting portion in the longitudinal direction of the supporting device is set smaller than the thickness (T2) of the side wall portion in the same direction, and the center vibration damping portion is provided with a concave portion depressed in the longitudinal direction on the connecting portion and facing the side wall portion and the mass portion on both sides thereof, whereby the size (T1) of the connecting portion is set smaller than the size (T2) of the side wall portion.