Bi-directional filter drier

Details Bi-directional filter drier Bi-directional filter drier

1978-08-25

1980-03-11

Cuchlinski, Jr., William A.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

Check valve

210440, 55213, 55417, 55420, B01D 2708, B01D 3502

Patent

active

041927516

ABSTRACT:
A bi-directional filter drier is provided for reverse flow applications as encountered, for example, in heat pump systems. The filter drier includes a shell defining a chamber, the shell having an inlet and an outlet, preferably axially aligned with one another, which communicate with the chamber. A suitable filter means is positioned in the chamber and a fluid flow path within the chamber is designed so that fluid flow through the filter always occurs in a single direction, regardless of the direction of flow through the inlet and outlet. Flow within the chamber and thus the filter is controlled by a simply constructed valve combination at the inlet and the outlet.

REFERENCES:
patent: 3200255 (1965-08-01), Masuda
patent: 3289841 (1966-12-01), Quinting

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