External spark arrestor

Details External spark arrestor External spark arrestor

F - Mech Eng,Light,Heat,Weapons

01

N

F01N 13/00 (2010.01) F01N 3/06 (2006.01) F02B 63/02 (2006.01) F01N 7/00 (2006.01)

Patent

CA 2080216

An external spark arrestor assembly attached directly to the outer shell of a muffler of an internal combustion engine. The assembly includes a spark arresting screen disposed over the exhaust port of the muffler and forming a first exhaust- receiving conduit between the screen and the muffler; an outer perforated cover disposed over the screen and forming a second exhaust-receiving conduit between the screen and the outer cover; and a single centrally located fastener for removably fastening the screen and outer cover to the muffler shell.

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