Air drape

Details Air drape Air drape

1984-05-25

1985-08-27

Joyce, Harold

98 4014, F24F 900

Patent

active

045371164

ABSTRACT:
Apparatus for producing an air curtain at the perimeter of a room, which comprises a plurality of air curtain units for delivering a thin, fan-shaped flow of air mounted adjacent the interior of the wall defining the room and spaced apart by a distance such that the fan-shaped flow of air delivered by each said air curtain unit overlaps the fan-shaped flow of air delivered by the next adjacent air curtain unit; each said air flow unit having an air inlet, a narrow, elongated air outlet, said air outlet being longer and narrower than said air inlet, and a wall between said air inlet and air outlet defining a flow path for air flowing from said air inlet to said air outlet, said wall having a plurality of cross-sections along said flow path to provide a transition between said air inlet and air outlet.

REFERENCES:
patent: 317265 (1885-05-01), Wood
patent: 3390624 (1968-07-01), Averill
patent: 4123967 (1978-11-01), Shanis
patent: 4475446 (1984-10-01), McCall

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