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:
Mar. 27, 2018
Filed:
Apr. 03, 2015
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A labyrinth seal bearing includes: an inner ring; an outer ring; a labyrinth seal structure, located in a radial gap between the inner ring and the outer ring; wherein the labyrinth seal structure includes a plurality of seal rings, a labyrinth gap channel is formed among the plurality of seal rings, and the labyrinth gap channel includes two ports respectively connected with an external of the bearing and an internal of the bearing; and a seal loop made from lubricating grease, wherein the seal loop is located in the labyrinth gap channel, and blocks the labyrinth gap channel, so as to isolate the two ports from each other. The present disclosure solves the problem of poor sealing effect in a conventional labyrinth seal bearing.