Work bench with self-contained air cleaner

Details Work bench with self-contained air cleaner Work bench with self-contained air cleaner

1979-11-19

1981-05-19

Lacey, David L.

Gas separation

Means within gas stream for conducting concentrate to collector

55126, 55472, 55481, 55DIG18, 55484, 98115R, B03C 304, B01D 5000

Patent

active

042682827

ABSTRACT:
A work bench and air filter unit are combined in the present invention in a compact configuration by locating two or more air filter units below a work bench and arranging two or more air filter units in parallel with an extraction fan. An improved extraction efficiency is achieved by providing an enclosure located above the work bench wherein the back wall of the enclosure is angularly inclined forwardly at an angle of about 75.degree. with respect to the work platform, an air extraction slot being formed in the back wall communicating with an air plenum which is disposed rearwardly of the back wall through which air is withdrawn from the enclosure.

REFERENCES:
patent: 2184354 (1939-12-01), Levine
patent: 2486520 (1949-11-01), Dahlman
patent: 2602417 (1952-07-01), Medcalf
patent: 3336855 (1967-08-01), Messina
patent: 3368523 (1968-02-01), Becker
patent: 3626669 (1971-12-01), Cardiff
patent: 3757495 (1973-09-01), Sievers

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