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. 18, 2022
Filed:
Sep. 25, 2020
Aktiebolaget Skf, Gothenburg, SE;
Abstract
Sealing device including a first annular element coupled to a first fixed mechanical member, and a second annular element coupled to a second rotating mechanical member, for protecting an annular compartment delimited between the members; the first element being provided with at least one annular sealing lip configured to interact with the second element, which has a radial edge of a flange portion arranged at an edge of a sleeve portion of the first element, thus forming with the latter a radial gap configured as a labyrinth seal; wherein the radial gap of the flange portion of the second annular element carries a plurality of depressions arranged in a crown, spaced adjacently to one another at the radial gap and configured to generate, as a result of the rotation of the second element, a dynamic effect (F) for the purpose of repelling any contaminants impelled towards the radial gap.