Muffler for internal combustion engines

Details Muffler for internal combustion engines Muffler for internal combustion engines

1978-05-23

1980-03-11

Hix, C. T.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181269, 181272, F01N 124

Patent

active

041924029

ABSTRACT:
A muffler having a sealed diffusion chamber provided at its front end with an inlet port of a cross section smaller than that of the diffusion chamber. Within the diffusion chamber there is an outlet pipe having a closed front end disposed a fixed distance from the inlet port. The rear end of the outlet pipe communicates with the atmosphere. The walls of the outlet pipe are perforated to permit communication between the diffusion chamber and the interior of the outlet pipe.

REFERENCES:
patent: 1839192 (1932-01-01), Baits
patent: 2189424 (1940-02-01), Leadbetter
patent: 2864235 (1958-12-01), Paris et al.
patent: 4108276 (1978-08-01), Hall et al.

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