Liquid filter

Details Liquid filter Liquid filter

1994-07-11

1996-05-28

Savage, Matthew O.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Fluid pressure responsive by-pass

210184, 210248, 210342, 210438, 210450, 210456, 210458, B01D 3502

Patent

active

055208010

ABSTRACT:
A liquid filter includes an openable filter housing. The liquid filter has an unfiltered-liquid inlet and a clean-liquid outlet. A first filter element is arranged in the filter housing. The first filter element has an essentially hollow-cylindrical design, with the liquid flow travelling through it from the outside to the inside. An additional hollow-cylindrical filter element is arranged inside of the first filter element, wherein the liquid flow is also from the outside to the inside through the additional filter element. A separating wall is disposed between the two filter elements. The entire filter has a compact construction with a large effective filter area.

REFERENCES:
patent: 2432475 (1947-12-01), Griffith
patent: 2750042 (1956-06-01), Wilkinson
patent: 3056503 (1962-10-01), Roosa
patent: 3283902 (1966-11-01), Farris et al.
patent: 3487929 (1970-01-01), Sample et al.
patent: 4094791 (1978-06-01), Conrad
patent: 4906365 (1990-03-01), Baumann et al.

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