Exhaust for internal-combustion engine

Details Exhaust for internal-combustion engine Exhaust for internal-combustion engine

1976-05-28

1977-12-27

Tomsky, Stephen J.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181256, 181269, F01N 716, F01N 108

Patent

active

040649636

ABSTRACT:
The exhaust of an internal-combustion engine comprises a muffler of malleable aluminum or aluminum alloy with a heat-resistant inner layer extending at least along a wall portion confronting an inlet for the hot exhaust gases. The heat-resistant layer may be a refractory coating, e.g. alumina, beryllia or zirconia particles in a matrix of Teflon or silicone rubber, or a metallic liner separated from the outer wall by an airspace possibly occupied by rock wool or the like.

REFERENCES:
patent: 2948210 (1960-08-01), Conlan
patent: 2961059 (1960-11-01), Blair
patent: 3159238 (1964-12-01), Shearer
patent: 3233697 (1966-02-01), Slayter et al.
patent: 3337939 (1967-08-01), Parkinson
patent: 3388769 (1968-06-01), Martoia
patent: 3488723 (1970-01-01), Veazie
patent: 3677365 (1972-07-01), Wright et al.

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