Self-cleaning fluid sealed air filter

Details Self-cleaning fluid sealed air filter Self-cleaning fluid sealed air filter

1976-05-13

1980-11-11

Lacey, David L.

Gas separation

With liquid trap seal or valve

55483, 55484, 55502, 55DIG9, 55DIG31, B01D 4654

Patent

active

042330440

ABSTRACT:
A high efficiency air filter having a channel formed in the front peripheral surface thereof which is substantially filled with a fluid of high consistency and which is adapted to effect sealing engagement with a mating retaining flange mounted in the housing. A pair of resilient wiper lips extend across the top of the channel from opposite sides thereof to thereby contact the sides of the retaining flange while the filter is assembled in the housing, and then wipe both sides of the flange during withdrawal of the filter from the housing to thereby retain substantially all of the fluid within the channel and prevent the build-up of possibly contaminated fluid on the retaining flange.

REFERENCES:
patent: Re27701 (1973-07-01), Allan, Jr. et al.
patent: 685542 (1901-10-01), Walsh
patent: 2367882 (1945-01-01), McKnight
patent: 2701155 (1955-02-01), Estel, Jr.
patent: 2746781 (1956-05-01), Jones
patent: 2818283 (1957-12-01), Hutterer
patent: 3280541 (1966-10-01), Soltis
patent: 3486311 (1969-12-01), Allan, Jr.
patent: 3720418 (1973-03-01), Berg
patent: 3870490 (1975-03-01), Landy

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