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:
Aug. 01, 2006
Filed:
Mar. 08, 2003
John K. Fremerey, Bonn, DE;
Matthias Lang, Zittau, DE;
Jens-wolf Jaisle, Billiers, FR;
Forschungszentrum Julich GmbH, Julich, DE;
Borgwarner Inc., Auburn Hills, MI (US);
Abstract
The invention concerns an exhaust gas turbocharger () having a shaft () on which a turbine wheel () and a compressor wheel () sit and which is guided in radial bearings () and in at least one axial bearing (), which is characterized in that the radial bearings () are embodied as passive magnetic bearings having permanent magnets (through) generating axial magnetic fluxes; and the axial bearing () is embodied as an active magnetic bearing having an electromagnet (), an axial sensor, and a controller for controlling the electrical current impinging upon the electromagnet ().