Filter bed of compressed coils

Details Filter bed of compressed coils Filter bed of compressed coils

1979-12-06

1981-04-14

Lacey, David L.

Gas separation

Spiral filter media

55498, 55521, 55526, 261DIG72, B01D 4624

Patent

active

042617189

ABSTRACT:
A filter bed for an air cleaner, or the like, comprising a compressed mass of coils each having axially spaced portions of different diameters. With this construction, the tendency of the coils to nest together over their entire lengths is reduced, and the filtering ability of the bed is increased.

REFERENCES:
patent: 1639132 (1927-08-01), Greene
patent: 1748830 (1930-02-01), Carlson
patent: 2322513 (1943-06-01), Goodloe
patent: 2874800 (1959-02-01), Vanderkock
patent: 2973833 (1961-03-01), Cook
patent: 3494366 (1970-02-01), Starbuck et al.
patent: 4110418 (1978-08-01), Martin
patent: 4116647 (1978-09-01), Garner

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