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:
Nov. 12, 2019
Filed:
Dec. 16, 2016
Basf SE, Ludwigshafen am Rhein, DE;
Ulrich Hammon, Mannheim, DE;
Thomas Walter, Hassloch, DE;
BASF SE, Ludwigshafen am Rhein, DE;
Abstract
The present invention relates to a chimney tray () for a column () for thermal treatment of fluid mixtures, comprising a collecting tray () and at least two chimneys (--) spaced apart horizontally in the collecting tray (), where each chimney (--) forms a vertically aligned chimney body (--) which forms a passage orifice (--) through the collecting tray (), and has a cover unit (--) arranged spaced apart from the chimney body (--), and where the cover unit (--) covers the respective passage orifices (--) in the vertical direction. The chimney tray () of the invention is characterized by a screen () which extends around the chimney body (-) of a first chimney (-), with the lower annular edge () of the screen () below the upper edge () of the chimney body (-) of the first chimney (-) and the upper annular edge () of the screen () above the lower outer edge () of the cover unit (-) of the first chimney (-) or adjoining the lower outer edge () of the cover unit (-) of the first chimney (-).