Anti-drain fluid filter

Details Anti-drain fluid filter Anti-drain fluid filter

1992-01-30

1994-09-27

Savage, Matthew O.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210235, 210429, 210440, 210DIG17, B01D 2710

Patent

active

053505069

ABSTRACT:
A fluid filter, particularly adapted for use in non-vertical header mount arrangements, has an inlet thereinto and an outlet therefrom, both of which are valved to create a closed filter shell upon removal of the filter from the header. The outlet valve is opened by engagement of the filter on a header spud therefor and the inlet valve is opened by pressurized oil being presented thereto.

REFERENCES:
patent: 3388801 (1968-06-01), Boyd et al.
patent: 3557958 (1971-01-01), Baldwin
patent: 3589517 (1971-06-01), Palmai
patent: 3608726 (1971-09-01), Crowther
patent: 3774764 (1973-11-01), Baldwin
patent: 4052307 (1977-10-01), Humbert, Jr.
patent: 5030345 (1991-06-01), Thomas
patent: 5049269 (1991-09-01), Shah

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