Muffler of industrial engine

Details Muffler of industrial engine Muffler of industrial engine

1990-08-28

1992-05-05

Adams, Russell E.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181265, F01N 710, F01N 108

Patent

active

051099497

ABSTRACT:
The known muffler of an industrial engine, in which a channel communicating with an exhaust gas outlet is integrally formed on the inside of a muffler main body made of an aluminum diecast, and an inner lid is mounted to the open side of the channel to form an exhaust gas passageway serving also as a tail pipe, within the muffler main body as disclosed in Japanese Utility Model Application No. 63-127369 (1988) is improved. The improvements reside in that a cross-section area of the channel is reduced gradually or in a stepwise manner from its inlet towards the exhaust gas outlet so as to prevent carbon from adhering to the exhaust passageway, and in that at the exhaust gas outlet is formed a projecting wall adapted to butt against the inner lid, integrally with the muffler main body so as to prevent the exhaust gas escape without passing through the exhaust gas passageway.

REFERENCES:
patent: 4418790 (1983-12-01), Agnew
Patent Abstracts of Japan, vol. 8, No. 148 (M-308), Jul. 1984.

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