Noise-reducing fluid-flow devices

Details Noise-reducing fluid-flow devices Noise-reducing fluid-flow devices

1973-08-15

1976-06-01

Gonzales, John

Acoustics

Auditorium

181 36A, 181 60, 181 71, 138 40, 29157R, 181 35C, F01N 110, B21D 5300

Patent

active

039602397

ABSTRACT:
The invention consists of provision of novel noise-silencing fluid-discharge devices which provide superior noise reduction. The devices comprise one or more flow-modifying elements which are made by rolling and compacting knitted metal wire mesh fabric. A preferred embodiment of the invention is an air discharge nozzle which is characterized by a high air discharge velocity while simultaneously effecting a sharp reduction in noise.

REFERENCES:
patent: 2334263 (1943-11-01), Hartwell
patent: 2552615 (1951-05-01), Baltzer
patent: 2672214 (1954-03-01), Goodloe
patent: 2678637 (1954-05-01), Doeden
patent: 2829733 (1958-04-01), Bartels et al.
patent: 2907405 (1959-10-01), Marshall
patent: 2950775 (1960-08-01), Zwayer
patent: 3163255 (1964-12-01), Stryker
patent: 3270834 (1966-09-01), Bratt
patent: 3672465 (1972-06-01), Blatt et al.
patent: 3690606 (1972-09-01), Pall
patent: 3712415 (1973-01-01), Blatt et al.
"Air-Maze Type KK and Twin Muffl-Maze Filter-Silence," Published by Air-Maze Corp., Cleveland, Ohio, 1959.

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