Filter assembly with telescopic elements

Details Filter assembly with telescopic elements Filter assembly with telescopic elements

1976-12-27

1981-01-06

Granger, Theodore A.

Liquid purification or separation

Diverse distinct separators

Including a filter

210338, 210499, B01D 2926

Patent

active

042435358

ABSTRACT:
A filter assembly comprises a plurality of filter elements telescopically mounted relative to each other and in a housing defining an inlet and an outlet thereon. Each filter element comprises a tubular screen having a plurality of longitudinally extending ribs secured in circumferentially spaced relationship therearound. First and second filter elements of each radially adjacent pair of filter elements have the ribs thereof aligned in abutting relationship to space the screens of the filter elements radially from each other to define a flow passage therebetween. The screen of the outermost filter element is cylindrical, the screen of the next radially adjacent filter element is frustoconically shaped and et sequence to closely compact the filter elements together. An end cap is secured on one end of the filter assembly to retain it in place in the housing.

REFERENCES:
patent: 1646377 (1927-10-01), Sweetland et al.
patent: 1647799 (1927-11-01), Hammer
patent: 1690358 (1928-11-01), Babitch
patent: 2448157 (1948-08-01), Schneider
patent: 2478109 (1949-08-01), Kamrath
patent: 2491180 (1949-12-01), Horthy
patent: 3016984 (1962-01-01), Getzin
patent: 3049240 (1962-08-01), Smith
patent: 3421630 (1969-01-01), Acosta
patent: 3958634 (1976-05-01), Smith

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