Multi-duct muffler

Details Multi-duct muffler Multi-duct muffler

1978-04-18

1980-11-18

Hix, L. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181249, 181272, 181296, F01N 110

Patent

active

042340543

ABSTRACT:
This invention is a new and improved muffler for use on the exhaust of noise producing machines such as automotive engines, and the like. It is particularly characterized by utilization of a single inlet into a chamber from which there are a multiplicity of louvered or otherwise appropriately configured exhaust tubes appropriately wrapped with noise entrapping material, and in a preferred form utilizing a ceramic fiber material, and wherein the multiplicity of tubes ultimately open into a chamber from which the ultimate outlet is ducted.

REFERENCES:
patent: 2072961 (1937-03-01), Nelson
patent: 2732026 (1956-01-01), Folts
patent: 2790464 (1957-04-01), Stephens et al.
patent: 2906317 (1959-09-01), Keyes
patent: 2998860 (1961-09-01), Everett
patent: 3175586 (1965-03-01), Tatsch
patent: 4104426 (1978-08-01), Gonzalez et al.
patent: 4108276 (1978-08-01), Hall et al.
patent: 4121686 (1978-10-01), Keller, Jr.
Burgess Battery Company, "Flexibility of Design", May 21, 1932, p. 37.

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