Muffler assembly

Details Muffler assembly Muffler assembly

1976-11-19

1978-08-29

Kelly, Donald G.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181264, 181280, F01N 110

Patent

active

041097530

ABSTRACT:
A muffler assembly for substantially dampening acoustical vibrations of engine exhaust gases. The muffler assembly includes flow control means, such as a diffuser having a centrally disposed baffle with radially extending deflector vanes having axially extending tabs. The diffuser can be positioned in a tubular expansion joint which is secured to an apertured louver tube within a loosely compact shell of sound attenuating material. The diffuser substantially blocks and restricts the axial flow of exhaust gases along portions of the longitudinal axis of the louver tube, deflects the flow of exhaust gases toward the sound attenuating material and creates turbulent flow.

REFERENCES:
patent: 3209861 (1965-10-01), Whitney
patent: 3235003 (1956-02-01), Smith
patent: 3710891 (1973-01-01), Flugger

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