Patent ID: 6415889
Filing Date: 2002-07-09
Classification: F01N,Y10T

Abstract:
A muffler comprisinga first end cap having an internal groove, a second end cap having an internal groove and lying in opposing, spaced-apart relation to the first end cap, and a muffler body located between the first and second end caps and formed to include a first opened end closed by the first end cap and a second opened end closed by the second end cap, a sheet of material including first, second, and third folds partitioning the sheet into first, second, third, and fourth portions, the first portion defining a first outer shell, the fourth portion defining a second outer shell cooperating with the first portion and the first and second end caps to define a chamber therebetween, the second and third portions cooperating to define a baffle partitioning the chamber defined by the first and second outer shells into first and second subchambers with grooves of the first and second end caps receiving the baffle, the second and third portions cooperating to define an exhaust passage therebetween.