Spark arrester and engine muffler

Details Spark arrester and engine muffler Spark arrester and engine muffler

F - Mech Eng,Light,Heat,Weapons

01

N

172/32

F01N 3/06 (2006.01) F01N 13/18 (2010.01) F01N 1/02 (2006.01) F01N 1/10 (2006.01) F01N 13/02 (2010.01)

Patent

CA 1092984

ABSTRACT A muffler and spark arrester for use on an internal combustion engine has an outer tube extending along an axis between an inlet and an cutlet. A perforate inner tube is disposed coaxially within the outer tube and merges therewith adjacent the inlet and is in effect connected thereto near the outlet by a partially torodial end wall. Sound absorbing material is lodged between the inner and outer tubes. A plurality of nested, partially toroidal cups is disposed coaxially adjacent the end wall. A resonator-arrester chamber is coaxially nested with the toroidal cups. A central tube is held by a gas barrier wall coaxially within a portion of the inner tube. The parts are held together by an axially extending through bolt.

288012

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