Patent ID: 7063182
Filing Date: 2006-06-20
Classification: F01N,Y10T

Abstract:
1. A muffler comprising: an inlet tube for communicating an air flow to be muffled into a housing and an outlet tube for receiving said air flow and moving said air flow outwardly of said housing; a pair of spaced baffle plates within said housing, said pair of spaced baffle plates defining an intermediate chamber, a first tube having an outlet end communicating air into said intermediate chamber, and a second tube having an inlet end communicating with a downstream end of said intermediate chamber to receive said air flow and pass air further downstream, with said outlet end of said first tube and said inlet end of said second tube being spaced across said intermediate chamber; and a support tube positioned between said pair of spaced baffle plates adjacent to said first and said second tubes, such that said support tube provides support and spacing between said pair of spaced baffle plates, said support tube having a blockage along an axial length, such that air flow is blocked outwardly from, said intermediate chamber and through said support tube.