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.:
Date of Patent:
Mar. 07, 2000
Filed:
May. 18, 1998
Applicant:
Inventors:
William E Braband, Cranberry, PA (US);
Steven Chenault, Wellsville, OH (US);
William Inkenhaus, Pittsburgh, PA (US);
James Vogel, Beaver, PA (US);
Assignee:
Dravo Lime Company, Pittsburgh, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ;
U.S. Cl.
CPC ...
210741 ; 210744 ; 210787 ;
Abstract
This invention relates to a control method and apparatus for the coordination of a number of automated liquid-solid separators with an in-line pump between a fluid feed tank and liquid-solid separators. The control method and apparatus develops on-line control signals for the process control of predetermined manipulated process variables. The present invention provides excellent separation control for fluid tanks in which fluid inlet rates vary.