Perforate tube muffler

Details Perforate tube muffler Perforate tube muffler

1981-03-12

1983-02-01

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181269, F01N 102

Patent

active

043710530

ABSTRACT:
A muffler of the Helmholtz resonator type has a housing surrounding a main gas flow conduit, the gas flow conduit having an apertured zone within the housing wherein apertures extend through the conduit wall, the shape of the conduit wall at the apertured zone being so varied that gas flows through the apertures into or out of the housing, the flow inhibiting the development of whistle noises.

REFERENCES:
patent: 1611475 (1926-12-01), Maxim
patent: 1811762 (1931-06-01), Schnell
patent: 1909394 (1933-05-01), Dodge
patent: 2512155 (1950-06-01), Hill
patent: 3754619 (1973-08-01), McCormick

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