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:
Aug. 23, 2022
Filed:
Aug. 06, 2019
Applicant:
Koch-glitsch, Lp, Wichita, KS (US);
Inventors:
Izak Nieuwoudt, Wichita, KS (US);
Charles Griesel, Wichita, KS (US);
Assignee:
KOCH-GLITSCH, LP, Wichita, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 3/16 (2006.01); B01D 53/18 (2006.01); B01D 3/18 (2006.01);
U.S. Cl.
CPC ...
B01D 3/163 (2013.01); B01D 53/18 (2013.01); B01D 3/18 (2013.01);
Abstract
A multi-pass contact tray for use in a mass transfer column has a mixture of fixed valves to movable valves, with the numbers of the respective valves being selected to balance the volumetric flow of vapor through deck segments when the vapor is ascending at volumetric flow rates insufficient to maintain the movable valves in an open position.