Clean room arrangement

Details Clean room arrangement Clean room arrangement

1991-09-26

1992-12-08

Hart, Charles

Gas separation

With nonliquid cleaning means for separating media

Solid agent cleaning member movingly contacts apparatus

553852, 454187, B01D 4600, B01D 5000

Patent

active

051694182

ABSTRACT:
A clean room arrangement comprises a clean room having an upper portion and a lower portion. Clean air is introduced into the upper portion of the clean room, flows downward and expelled from the lower portion of the clean room. An air recirculation passage is connected to the clean room such that the lower portion of the clean room is communicated with the upper portion of the clean room. A heat source is provided in the air recirculation passage to generate an ascending flow of air in the air recirculation passage so that the air descends in the clean room due to natural convection.

REFERENCES:
patent: 2193460 (1940-03-01), Lavigne
patent: 4164901 (1979-08-01), Everett
patent: 4562955 (1986-01-01), Holster et al.
patent: 4651553 (1987-03-01), Kunzel
patent: 4667580 (1987-05-01), Wetzel
patent: 4672887 (1987-06-01), Sproul
patent: 4693175 (1987-09-01), Hashimoto
patent: 4694736 (1987-09-01), Yamagata et al.
patent: 4775001 (1988-10-01), Ward et al.

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