Patent
1988-02-04
1989-10-17
Joyce, Harold
553852, F24F 900
Patent
active
048739146
ABSTRACT:
A unit for a clean room system of substantially inverted L-shaped cross section having a hollow ceiling, and a hollow wall communicating at the upper end thereof with the ceiling and at the lower end thereof with the floor in the room.= An air purifying filter is disposed at the front of the ceiling, and a cold water supplying conduit for an air conditioner control unit is located at the rear of the ceiling. A clean room system has a plurality of the units. Thus, the clean room can be simply and rapidly constructed without the necessity of a large space at the back side of a ceiling or under a floor to accommodate air conditioning ducts, thereby lowering the height of a building as compared to a conventional one, even if a 2-story or 3-story clean room is constructed. Further, the layout, such as a volume and shape in the room can be freely modified and uniform temperature and moisture can be maintained in the clean room.
REFERENCES:
patent: 4129122 (1978-12-01), Dout et al.
patent: 4409889 (1983-10-01), Burleson
patent: 4667580 (1987-05-01), Wetzel
"IBM Technical Disclosure Bulletin", vol. 14, No. 10, Mar. 1977.
Hirayama Setsubi Kabushiki Kaisha
Joyce Harold
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