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, 2013
Filed:
Jan. 17, 2008
Christoph Schrempf, Bad Schallerbach, AT;
Helmut Fuchs, Frankenmarkt, AT;
Ulrich Möderl, Thalgau, AT;
Christoph Schrempf, Bad Schallerbach, AT;
Helmut Fuchs, Frankenmarkt, AT;
Ulrich Möderl, Thalgau, AT;
Lenzing Aktiengesellschaft, Lenzing, AT;
Abstract
A backwash filter, in particular for highly viscous media, comprising a filter body () provided in a casing () and forming a cylinder jacket, wherein the casing () and the filter body () are rotatable about the axis of the filter body () relative to one another and wherein the filter body () separates a medium inflow space () from a medium outflow space (), and comprising a flushing agent discharge channel () extending along a generatrix of the filter body (), which flushing agent discharge channel () is movable relative to the filter body () and can be brought into flow connection with the filter body () across the entire length thereof and across the entire circumference thereof, with the formation of a stream of flushing agent flowing into the flushing agent discharge channel (), is characterized, for increasing the efficiency of backwashing and of the throughput as well as for protection of the filter material, in that the flow connection always occurs only across a portion of the longitudinal extension () of a generatrix of the filter body ().