Discharge muffler

Details Discharge muffler Discharge muffler

1977-02-09

1978-09-05

Watson, Robert C.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181255, 181403, F01N 100

Patent

active

041112784

ABSTRACT:
There is disclosed an improved sheet metal muffler for attenuating the sound of the gas discharged from a hermetic refrigeration compressor, wherein the muffler generally comprises a sheet metal casing having a hollow interior which is divided into two substantially equal chambers by a central baffle, with a restrictor tube extending through the baffle for placing the chambers in communication with one another, the restrictor tube being provided with a flared entrance portion at its upstream end and a venturi-like restriction intermediate its length.

REFERENCES:
patent: 1874326 (1932-08-01), Mason
patent: 3752260 (1973-08-01), Heath

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