Fluid-flow noise reduction systems

Details Fluid-flow noise reduction systems Fluid-flow noise reduction systems

1976-08-16

1978-09-12

Tomsky, Stephen J.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181232, 181257, 181268, 181281, 181282, 138 41, F01N 306, F01N 108, F01N 718

Patent

active

041130502

ABSTRACT:
An `in-line` unit for use in compressor station piping, arranged to reduce the level of noise generated when the blowdown valves of the station piping are opened in an emergency to vent the high pressure gas therein to atmosphere, the unit comprising a pipe section having a plurality of orifice plates the number and hole area of which is designed to ensure sub-sonic flow through each plate. The unit is preferably used in combination with a modified form of silencer element connected `in-line` downstream thereof.

REFERENCES:
patent: 844669 (1907-02-01), Fairchild
patent: 1914072 (1933-06-01), Boylston
patent: 3227242 (1966-01-01), Mattoon
patent: 3232373 (1966-02-01), Bjork
patent: 3556735 (1971-01-01), Epelman
patent: 3665965 (1972-05-01), Baumann
patent: 3964519 (1976-06-01), De Baun

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