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:
Jun. 07, 1994
Filed:
Dec. 29, 1992
Applicant:
Inventors:
Daniel R Monkelbaan, Amherst, NY (US);
Robert J Miller, Niagara Falls, NY (US);
Michael R Resetarits, Depew, NY (US);
Assignee:
UOP, Des Plaines, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
2611141 ;
Abstract
The capacity of multiple downcomer type fractionation trays is increased by providing imperforate calming decks (6) which extend across the tray deck (2) surface outward from the conventional downcomer inlet opening together with vertical inlet weirs (8) attached to the outer end of the calming decks (6). The inlet weirs (8) may function as 'preweirs' used in addition to the conventional inlet weir formed by the upward extension of the downcomer sidewall (4).