Liquid purification or separation – Filter – Resting on supporting receiver – e.g. – portable
Patent
1982-09-27
1984-02-07
Sever, Frank
Liquid purification or separation
Filter
Resting on supporting receiver, e.g., portable
210DIG5, B01D 2328
Patent
active
044302223
ABSTRACT:
It has long been known that there is an interfacial tension between immiscible liquids such as water in oil. It has long been known that membranes when wetted by one of two immiscible liquids will preferentially allow the passage through the membrane of the liquid with which the membrane is wetted, and will reject the other liquid with an opposing force that is proportional to the interfacial tension of the liquids. The opposing force is inversely proportional to the diameter of the pores of the membrane, and can be several inches of water head for pores a couple thousands of an inch in diameter. According to principles of the present invention, a structure is provided which augments the small water opposing force of the above described phenomenon with opposing forces of other mechanisms to produce a combined force which will separate water, without utilizing dirt collecting and annoying water coalescing filters, such as layers of glass fibers, etc.
REFERENCES:
patent: 324080 (1885-08-01), Butterfield
patent: 1107485 (1914-08-01), Bowser
patent: 4371441 (1983-02-01), Mathes et al.
Hickey William P.
Sever Frank
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