Fluid filter with axial and circumferential seal

Details Fluid filter with axial and circumferential seal Fluid filter with axial and circumferential seal

1983-05-13

1985-12-10

Caroff, Marc L.

Liquid purification or separation

Filter

Within flow line or flow line connected close casing

210450, 210451, 210455, B01D 2710

Patent

active

045578346

ABSTRACT:
A fluid filter having a housing with an inlet and an outlet and a filter cartridge disposed in the housing and comprising a generally tubular filter element confined between endcaps at each end thereof. One end cap is closed and the other end cap has a nipple-like extension with an opening therethrough communicating the interior of the tubular filter with the outlet. The extension is telescopically received by a generally mating socket in the housing and is both axially and circumferentially sealed to the socket, with the circumferential sealing being maintained over a limited range of travel of the filter cartridge relative to the housing. A spring urges the extension toward the axially sealed condition in the socket and a perforated cylinder interposed between the one end cap and the housing precludes the filter cartridge from travelling a distance sufficient to break the circumferential seal between the extension and the socket in the event the flow of fluid through the filter is reversed.

REFERENCES:
patent: 2707051 (1955-04-01), Mailhot et al.
patent: 3151071 (1964-09-01), Kasten
patent: 3193102 (1965-07-01), Bottoms et al.
patent: 3207311 (1965-09-01), Kasten
patent: 3240342 (1966-03-01), Callahan, Jr. et al.
patent: 3847819 (1974-11-01), Firth
patent: 3993561 (1976-11-01), Swearingen
patent: 4018686 (1977-04-01), Shufflebarger et al.
patent: 4108775 (1978-08-01), Wilkes et al.
patent: 4120794 (1978-10-01), Taylor
patent: 4361483 (1982-11-01), Pall
Hackh's Chemical Dictionary, McGraw Hill Book Company, 1969, p. 536.

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