Illumination – Supported by vehicle structure – Condition responsive
Patent
1976-09-30
1977-11-29
Wayner, William E.
Illumination
Supported by vehicle structure
Condition responsive
29428, 52 28, 52484, 52732, 55508, 362294, 362373, F24F 700
Patent
active
040600254
ABSTRACT:
An air distribution ceiling for clean rooms is disclosed which includes a first or primary plenum chamber at the top of a room with a clean air supply communicating with it, the top of this chamber being bounded by the room ceiling and the bottom being bounded by a plurality of vertically spaced horizontal interlocked upper panels, a second plenum chamber bounded at the top by the upper panels and at the bottom by lower horizontal interlocked panels and forming the ceiling of the room. The panels are carried on spaced parallel supporting bars suspended from the top wall of the room and extending therealong, the supporting bars being held in spaced relation by spacer bars extending therebetween and having ledges to carry the upper and lower plates and to permit the insertion and removal of the lower panels from below. The panels each has a plurality of nozzle holes therethrough for downward air delivery and to provide for uniform air displacement within the room. The panels are formed of synthetic plastic material, the upper panels preferably being of transparent material and the lower panels being of translucent material, and can have strip fluorescent lights installed thereabove at the top of first chamber to illuminate the room.
REFERENCES:
patent: 2303745 (1942-12-01), Karreman
patent: 3219810 (1965-11-01), Hickman
patent: 3396997 (1968-08-01), Adams
patent: 3475869 (1969-04-01), Jahn
patent: 3701895 (1972-10-01), Sweetser
patent: 3975995 (1976-08-01), Shuler
patent: 3998419 (1976-12-01), Semmerling
Charvat Robert J.
Wayner William E.
Wobensmith, 2nd Zachary T.
Wobensmith, III Zachary T.
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