The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 04, 1985

Filed:

Feb. 14, 1983
Applicant:
Inventor:

Edward M Anderson, Minneapolis, MN (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210744 ; 210199 ; 210533 ; 210119 ; 210123 ;
Abstract

A system for physically separating a mixture of a first least dense liquid and a second medial density liquid, and a third most dense liquid has an upright container with a liquid inlet, a bottom outlet adjacent the bottom and having a flow control valve, a bottom float in the container but above the bottom outlet, a lower outlet above the bottom float and having a flow control valve, a lower float above the lower outlet and operatively connected to the lower control valve, a second float above the lower float, an upper outlet above the second float, and an upper float adjacent to or above the upper outlet, the bottom and lower and second floats are connected in parallel with the lower float being connected to the lower outlet valve, and the second and upper floats are connected in series to the upper outlet valve; and the bottom float connected to the bottom valve; the lower and second floats are fillable with and sink in the least dense liquid and rise in the medial density liquid, the bottom float is filled or ballasted to sink in the least and medial density liquids and to rise in the most dense liquid, the upper float is air filled and rises in all three liquids.


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