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:
Oct. 01, 2024
Filed:
Sep. 08, 2020
Alfa Laval Corporate Ab, Lund, SE;
Jens Folkmar Andersen, Fredericia, DK;
Otto Jensen, Aabreraa, DK;
ALFA LAVAL CORPORATE AB, Lund, SE;
Abstract
A valve disc gasket for use in a fluid flow control valve includes a frustoconical, ring-shaped body part having a plurality of circumferentially distributed asymmetrical, through-going openings and/or slits and/or asymmetrical protrusions, wherein an internal surface of the respective asymmetrical through-going opening and/or slit forms a vane surface and/or wherein an external surface of the respective asymmetrical protrusion forms a vane surface, wherein the asymmetrical through-going openings and/or slits and/or protrusions are asymmetrical at least in the sense that respective through-going opening or slit and/or protrusion is asymmetric relative to any radial plane intersecting the respective through-going opening or slit and/or the respective protrusion. Also disclosed is a fluid flow control valve and a method for cleaning a fluid flow control valve.