Muffler for exhaust gas from internal combustion engine

Details Muffler for exhaust gas from internal combustion engine Muffler for exhaust gas from internal combustion engine

1985-04-16

1987-10-20

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181252, 181256, 181268, 181272, F01N 110

Patent

active

047008059

ABSTRACT:
A muffler for exhaust gases of an internal combustion engine. The muffler is a hybrid consisting of gas expansion chambers defined by partitions in a muffler casing, and a sound-absorbing body. The sound-absorbing body includes a perforated pipe surrounded by a porous sound-absorbing material with a thin metal film sandwiched therebetween.

REFERENCES:
patent: 2043731 (1936-06-01), Bourne
patent: 2614647 (1952-10-01), Bryant
patent: 3469653 (1969-09-01), Vautaw et al.
patent: 3613830 (1971-10-01), Hubbell, III
patent: 4523830 (1985-06-01), Tanaka et al.

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