Patent ID: 9163547
Filing Date: 2015-10-20
Classification: F01N

Abstract:
1. A silencer for an exhaust system of an internal combustion engine, the silencer comprising: a housing comprising a housing shell extending in a circumferential direction of the housing, the housing shell comprising a shell hood and a sandwich plate attached to the shell hood and forming a part of the housing shell, wherein the sandwich plate is comprised of a plurality individual sheet metal wall layers, the housing defining a housing interior space comprising at least one chamber, which is enclosed by the housing, the sandwich plate and the shell hood cooperating to complete the housing shell, forming an entirety of an outer surface of the housing; and a self-supporting support structure comprising a pipe arrangement partially arranged in the housing interior space, the pipe arrangement comprising at least one pipe extending through said shell hood, the pipe being formed as a discrete tubular one piece pipe.