Static pressure regain coupler for an air distribution system

Details Static pressure regain coupler for an air distribution system Static pressure regain coupler for an air distribution system

1979-09-10

1982-02-02

Hartary, Joseph W.

Acoustics

Sound-modifying means

Muffler, fluid conducting type

181256, 181268, 98DIG10, E04F 1704

Patent

active

043135226

ABSTRACT:
A static pressure regain coupler for coupling an input duct and the upstream end of a branch take-off device having a main duct and one or more channel. The static pressure regain (SPR) coupler includes an upstream end which has substantially the same cross-section as the input duct. The SPR coupler also includes a downstream end which has a first port having the same cross-section as the main duct of the take-off device, and a second port having substantially the same cross-section as the channels of the take-off device. The SPR coupler is adapted to couple most of the input airflow to the take-off main duct, and a minor portion of that air flow to the take-off channels.

REFERENCES:
patent: 2295251 (1942-09-01), Buker
patent: 2308886 (1943-01-01), Mason
patent: 3507354 (1970-04-01), Dieckmann et al.
patent: 3554112 (1971-01-01), Herb
patent: 3696731 (1972-10-01), Tutt
patent: 3965933 (1976-06-01), Beaudin
patent: 4050364 (1977-09-01), Maus

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