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.

Patent No.:

US 8475664 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 02, 2013

Filed:

Feb. 08, 2010
Applicants:

Paul Martin Keyser, Sandy, UT (US);

Timothy John Olson, Salt Lake City, UT (US);

Inventors:

Paul Martin Keyser, Sandy, UT (US);

Timothy John Olson, Salt Lake City, UT (US);

Assignee:

FLSmidth A/S, , DK;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 21/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

The overflow and underflow effluents of a conventional hydrocyclone are discharged into enclosed vessels, so that the operating pressure may be manipulated for each effluent independently of other operating parameters. Each of the effluent vessels is equipped with a source of pressurized gas to form a gas blanket over the effluent at a controllable pressure. Such variable pressures in each vessel, in combination with the pressure of the incoming feed stream, provide the necessary parameters to implement pressure-differential-ratio control, thereby improving the efficiency of separation.


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Keyser, Paul. (2013). Control method for hydrocarbon hydrocyclones (U.S. Patent No. 8475664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8475664

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