Absorption/reflection exhaust muffler

Details Absorption/reflection exhaust muffler Absorption/reflection exhaust muffler

1997-07-03

1999-06-15

Dang, Khanh

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181256, F01N 718

Patent

active

059124415

ABSTRACT:
An absorption/reflection exhaust muffler of multichamber design with an outer housing and two inner half shells, in which the exhaust gas duct is impressed or pressed in, and which form the inner partitions of the individual chambers. The two inner half shells are designed as a prefabricated, inner half shell system with a bent together edge section, which is pressed in into the outer housing. Compensation of expansion during thermal stresses between the inner half shells and the outer housing is possible as a result. The outer housing may optionally be an outer shell manufactured according to the winding technique, i.e., a wound outer jacket with two flat outer bottoms, or it may comprise two outer half shells manufactured according to the half shell technique.

REFERENCES:
patent: 4972921 (1990-11-01), Takada et al.
patent: 5581056 (1996-12-01), Bellgardt et al.

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