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:
Nov. 28, 2006
Filed:
Aug. 20, 2003
Jens-wolf Jaisle, Stuttgart, DE;
Jens-Wolf Jaisle, Stuttgart, DE;
BorgWarner Inc., Auburn Hills, MI (US);
Abstract
The invention relates to an exhaust gas turbocharger () having a housing and having a shaft () which is arranged so as to be capable of rotating about its longitudinal axis in the housing and on which a turbine wheel () and a compressor wheel () are seated and which is guided in radial bearings () which are embodied as magnetic bearings and in at least one axial bearing (), the bearings () each having a bearing plate () which is seated on the shaft () and at least one stator () which lies axially opposite said axial bearing () on at least one side, forming a gap. In order to cool the bearings, it is proposed according to the invention that at least one flow duct (), via which at least one bearing gap can have an air stream applied to it, is formed in the housing.