1984-02-07
1984-10-09
Joyce, Harold
F24F 13072
Patent
active
044754469
ABSTRACT:
An air diffuser for directing air through an elongated opening in a drop ceiling in a pattern directed along the plane of the ceiling comprises a plenum chamber from which air is directed through a pair of spaced parallel walls forming a duct communicating with the elongated opening. The opening is narrower than the space between the walls so as to form a ledge adjacent the inside of at least one of the walls. A first baffle positioned in the plenum chamber and projecting into the space between the walls forms a throat through which air is directed downwardly against the ledge, the ledge diverting the air out through the opening in a substantially horizontal pattern. A second horizontal baffle within the plenum chamber directs air through a substantially horizontal throat toward the opposite wall and ledge where the air is redirected out the opening in the same horizontal pattern.
REFERENCES:
patent: 3308744 (1967-03-01), Schach
patent: 3308745 (1967-03-01), Davies
patent: 3406623 (1968-10-01), Lambert
patent: 3848799 (1974-11-01), Day
Joyce Harold
Specified Ceiling Systems
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