Exhaust gas silencer

Details Exhaust gas silencer Exhaust gas silencer

1984-05-15

1986-04-01

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181272, 181273, 181280, 181282, F01N 112

Patent

active

045791953

ABSTRACT:
The silencer device set forth herein in its various embodiments consists of at least one channelling bounded by at least one turn of a flat spiral, or of a cylindrical helix, or of a tapered helix, which may be blanked-off or open at one of its ends or at both of its ends, and/or incorporate radial holes or frontal holes in one or both faces. The outermost turn of the spiral, or the outermost surface of the helix, may either provide the shell of the device, or form a part thereof.

REFERENCES:
patent: 794926 (1905-07-01), Crawford
patent: 943233 (1909-12-01), Boyle
patent: 1638780 (1927-08-01), Neil
patent: 1812413 (1931-06-01), Reynolds
patent: 2057304 (1936-10-01), Saint-Jacques
patent: 2139736 (1938-12-01), Durham
patent: 2445045 (1948-07-01), Strachen
patent: 3927731 (1975-12-01), Lancaster
patent: 3948349 (1976-04-01), Bychinsky
patent: 4299253 (1981-11-01), Burton

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