Fan and filter combination

Rotary kinetic fluid motors or pumps – With separating means or guard for solid matter in working...

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Details

416247R, 55501, 55493, 2482244, F04D 2970, B01D 4610

Patent

active

047815264

ABSTRACT:
A fan-filter combination which can be used to remove air-borne contaminates in air that is directed into or exhausted from localized areas includes a filter affixed to a fan unit by a bracketing structure into which the filter is slidingly receivable.

REFERENCES:
patent: 2053124 (1936-09-01), Banks
patent: 2575499 (1951-11-01), Manow
patent: 2594688 (1952-04-01), Shapiro
patent: 2825500 (1958-03-01), McLean
patent: 2992701 (1961-07-01), White
patent: 3606589 (1971-09-01), Cameto et al.
patent: 4099944 (1978-06-01), Davis
patent: 4334899 (1982-06-01), McConnell

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