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:
Feb. 26, 2019
Filed:
Apr. 24, 2017
Andritz Technology and Asset Management Gmbh, Graz, AT;
Stefan Klimenta, Osterwieck, DE;
Johann Franc, Bergisch Gladbach, DE;
Andritz Technology and Asset Management GmbH, Graz, AT;
Abstract
A screw centrifuge has a rotating, cylindrical drum () with openings () for discharge of settleable solids (), floating solids (), and separating liquid (). A rotatable shaft () has openings () for infeed of the solids to be separated, and two sections of screw flights (') working in opposite directions. A baffle disc () is arranged on the shaft between the infeed opening () and the discharge opening () for the settleable solids (). The flight (″) of the screw for the settleable solids () surrounds the flight (′) of the screw for the floating solids (), and also work in opposite directions. The screw section for the floating solids () is designed as a multi-channel screw. The outer flight (″) of the screw for the settleable solids () can also have several channels.