| CPC F01N 1/083 (2013.01) [F01N 1/006 (2013.01)] | 19 Claims |
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1. A muffler, comprising:
a housing defining a first chamber, a second chamber and a third chamber, the first chamber positioned opposite the third chamber within the housing, the housing configured to be fluidly coupled to a source of exhaust gases via an inlet;
at least a pair of nested protrusions in communication with the inlet and configured to receive the exhaust gases, the pair of nested protrusions coupled to a respective surface of a pair of plates disposed in the housing such that one of the pair of nested protrusions is spaced apart from and opposite another of the pair of nested protrusions to define a tortuous path for the exhaust gases that terminates at an outlet defined along an outer circumference of one of the pair of plates, the first chamber downstream from the pair of plates and in fluid communication with the outlet, the second chamber is disposed about the pair of plates proximate the outlet and fluidly isolated from the outlet;
a first tube fluidly coupled between the first chamber and the second chamber configured to direct the exhaust gases from the first chamber to the second chamber; and
a second tube fluidly coupled between the second chamber and the third chamber configured to direct the exhaust gases from the second chamber to the third chamber.
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