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:
Sep. 21, 2021
Filed:
Oct. 25, 2017
Alfa Laval Corporate Ab, Lund, SE;
Sven-Åke Nilsson, Gnesta, SE;
Peter Thorwid, Sundbyberg, SE;
ALFA LAVAL CORPORATE AB, Lund, SE;
Abstract
A centrifugal separator () comprises a stationary frame (), a spindle () rotatably supported by the frame, a centrifuge rotormounted to a first end of the spindle to rotate together with the spindle around an axis (X) of rotation. A stack () of separation discs () is arranged to rotate coaxially with the centrifuge rotor The stack of separation discs comprises a set of axially aligned separation discs with an inner surface and an outer surface and a plurality spot-formed spacing members extending from a base from at least one of the inner surface and the outer surface The surface density of said spot-formed spacing members is above 25 spot-formed spacing members/dmthroughout the inner and/or outer surface of the separation disc. A first region at a bottom of the discs has a higher density of the spot-formed spacing members than a second region.