Air filter and method

Details Air filter and method Air filter and method

1986-09-02

1987-12-08

Prunner, Kathleen J.

Gas separation

Means within gas stream for conducting concentrate to collector

55352, 55354, 55470, 55528, B01D 4620

Patent

active

047116498

ABSTRACT:
An air filter and method are presented whereby contaminants such as cotton dust are reduced to an acceptable level in textile mills or the like. The air filter employs an advanceable medium which passes over a drum and the used medium is wound onto a take-up roller. The medium supply roll is protected from contaminants prior to its employment on the drum as it is covered by the used medium on its return path.

REFERENCES:
patent: 2807330 (1957-09-01), Rivers
patent: 2808899 (1957-10-01), Hofstetter
patent: 3040495 (1962-06-01), Doebeli
patent: 3467797 (1969-09-01), Revell
patent: 3596442 (1971-08-01), Neumann
patent: 3745748 (1973-07-01), Goldfield et al.
patent: 3800509 (1974-04-01), Carr et al.
patent: 3841066 (1974-10-01), Wakeen
patent: 4221576 (1980-09-01), Phillips, Jr.

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