Filter device

Details Filter device Filter device

1989-10-27

1992-10-06

Dawson, Robert A.

Liquid purification or separation

Diverse distinct separators

Including a filter

210338, 210458, 21049701, 2104972, 55498, B01D 2707

Patent

active

051528908

ABSTRACT:
The disclosure describes a filter device which comprises at least an outer and an inner hollow filter element, each having first and second ends. A first end cap is sealed to the first end of the inner filter element. A second end cap is sealed to the second ends of the outer and inner filter elements wherein the inner filter element is disposed inside and spaced from the outer filter element. The inner filter element can be tapered and can be shorter than the outer filter element. The filter device may further comprise additional filter elements.

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