Patent ID: 9599008
Date: 2017-03-21
CPC Classifications: F01N,F16J

Claim:
1. A silencer for an exhaust system comprising: an outer housing comprised of a composite material, the outer housing defining an interior cavity extending from an inlet to an outlet; an exhaust pipe mounted to the outer housing at an attachment interface, the exhaust pipe defining a center axis configured to conduct engine exhaust gases into the interior cavity of the outer housing; a thermal isolation disc positioned between the outer housing and exhaust pipe at the attachment interface, the thermal isolation disc comprising a first ring attached to the exhaust pipe, a second ring attached to the outer housing, and a gasket sandwiched between the first and second rings; and a thermal isolation ring separate from the gasket and mounted to an outer periphery of the second ring, and wherein the inlet of the outer housing is defined by a radially inwardly extending portion, and wherein the thermal isolation ring is received within a grooved formed within the radially inwardly extending portion such that an outer peripheral edge of the second ring abuts directly against the thermal isolation ring.