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. 31, 2020
Filed:
Dec. 13, 2017
Applicant:
Aktiebolaget Skf, Gothenburg, SE;
Inventors:
Ludovic Fenayon, Montbazon, FR;
Thierry Le Moigne, Luynes, FR;
Assignee:
AKTIEBOLAGET SKF, Gothenburg, SE;
Primary Examiner:
Int. Cl.
CPC ...
B61F 15/12 (2006.01); B61F 15/22 (2006.01); B61F 15/26 (2006.01);
U.S. Cl.
CPC ...
B61F 15/12 (2013.01); B61F 15/22 (2013.01); B61F 15/26 (2013.01);
Abstract
An axlebox of railway vehicle bogie comprising a housing, a front cover fixed to a front side of the housing, a rear cover fixed to a rear side of the housing, a cylindrical roller bearing unit, an end cap and a backing ring. A rear chamber and a front chamber on both axial sides of the sealed bearing unit are in fluidic connection through a bypass system.