Air flow control apparatus

Details Air flow control apparatus Air flow control apparatus

1976-07-30

1977-06-21

Schwadron, Martin P.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Liquid supplied at valve interface

1376253, 251251, 251291, F16K 336

Patent

active

040305180

ABSTRACT:
A sliding plate air flow control valve adapted for use in a high efficiency air filter system of the type used in clean rooms and the like. The sliding plate valve is preferably positioned on the downstream side of each filter, and includes a highly viscous, non-evaporating fluid positioned between the plates to thereby prevent the air from flowing laterally between the plates, whereby the volume of air flow may be accurately controlled over the full area of the clean room as well as the full area of each filter.

REFERENCES:
patent: 2065726 (1936-12-01), Nordstrom
patent: 2296081 (1942-09-01), Aspin
patent: 2858844 (1958-11-01), Gemma
patent: 3001464 (1961-09-01), Moore
patent: 3312241 (1967-04-01), Bryant
patent: 3418915 (1968-12-01), Marble
patent: 3486311 (1969-12-01), Allan
patent: 3522724 (1970-08-01), Knab
patent: 3570385 (1971-03-01), Heisterkamp
patent: 3780503 (1971-12-01), Smith

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