Exhaust gas silencing device

Details Exhaust gas silencing device Exhaust gas silencing device

1987-06-10

1988-05-17

Fuller, B. R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181228, 181250, F01N 708

Patent

active

047444401

ABSTRACT:
An exhaust silencing device comprises an outer tube that is pinched down to form a series of annular chambers around a coaxial inner gas flow tube and has openings connecting the chambers to provide for some secondary gas flow parallel to primary flow through the tube. The device and is shown in conjunction with a catalytic converter to provide an exhaust system that has a sporty sound.

REFERENCES:
patent: 3196976 (1965-07-01), Powers et al.
patent: 3338331 (1967-08-01), Jettinghoff
patent: 3382948 (1968-05-01), Walker et al.

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