Patent ID: 7464789
Filing Date: 2008-12-16
Classification: F01N

Abstract:
1. An exhaust silencer for an internal combustion engine comprising: a shell wall including a shell outer plate; a shell inner plate; and a damping material inserted between the shell outer plate and the shell inner plate; wherein the damping material is a single layer of a stretchably woven metal wire constructed into a woven metal mesh, the metal wire of the woven metal mesh having surface side portions (X), back side portions (Y), and bridging portions (B) extending between the surface side portions (X) and the back side portions (Y), the surface side portions (X) and the back side portions (Y) of the woven metal mesh contacting an inner surface of the shell outer plate and an outer surface of the shell inner plate, respectively, wherein the bridging portions (B) are oriented approximately in a direction orthogonal to a direction of each of the surface side portions (X) and the back side portions (Y) of the woven metal mesh.