Heat extracting muffler system

Details Heat extracting muffler system Heat extracting muffler system

1979-06-21

1981-05-05

Hix, L. T.

Acoustics

Sound-modifying means

Combined

181262, 181283, 165 52, 180 54A, F01N 114, F01N 500

Patent

active

042653320

ABSTRACT:
A muffler system positioned within the engine housing of the vehicle such as a garden tractor, includes a muffler surrounded by an open ended tubular heat shield having a venturi tube on its outer end which receives and accelerates the exhaust gases to create a flow of cooling air through the engine housing and between the muffler and the tubular heat shield for extracting heat from both the engine housing and the muffler.

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patent: 3857458 (1974-12-01), Ohtani et al.
patent: 4093039 (1978-06-01), Moore et al.

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