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:
Apr. 16, 2019
Filed:
Jul. 01, 2016
Applicant:
Koch-glitsch, Lp, Wichita, KS (US);
Inventors:
Izak Nieuwoudt, Wichita, KS (US);
Charles A. Griesel, Bel Aire, KS (US);
Clarence A. Armbrister, Bel Aire, KS (US);
Assignee:
Koch-Glitsch, LP, Wichita, KS (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/04 (2006.01); B01D 3/16 (2006.01); F28C 3/06 (2006.01);
U.S. Cl.
CPC ...
B01F 3/04524 (2013.01); B01D 3/163 (2013.01); F28C 3/06 (2013.01);
Abstract
A valve contact tray for use in a mass transfer or heat exchange column and having a plurality of fixed or moveable valves distributed across a tray deck of the contact tray. Each of the valves includes an opening in the tray deck, a valve cover connected to attachment legs, and a weir surrounding the opening. The valve cover is wider than and extends outwardly beyond the underlying opening in the tray deck and has a perimeter region that extends downwardly. A louvered vent opening may be provided in a downstream one of the attachment legs.