Muffler system

Details Muffler system Muffler system

1987-01-14

1988-05-03

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181240, 181255, 181262, F01N 114, F01P 16

Patent

active

047414111

ABSTRACT:
An improved muffler system for mounting within a restricted engine compartment such as the engine compartment of a small off-road vehicle including a muffler surrounded by a heat shield having a plurality of apertures formed therein for selectively cooling selected certain areas of the engine compartment in conjunction with a venturi which creates a flow of cooling air from outside the engine compartment, over the engine, into the apertures, between the heat shield and the muffler to a point where the exhaust gas and the initially cooler air are mixed and subsequently exited into the atmosphere.

REFERENCES:
patent: 3795287 (1974-03-01), Rose
patent: 3796277 (1974-03-01), Gordon
patent: 4265332 (1981-05-01), Presnall et al.
patent: 4471853 (1984-09-01), Callaghan et al.
patent: 4478310 (1984-10-01), Harten
patent: 4487289 (1984-12-01), Kicinski et al.

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