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. 11, 2003
Filed:
Apr. 30, 2002
Applicant:
Inventor:
Jürgen Weimer, Euerbach, DE;
Assignee:
Mannesmann Sachs AG, Schweinfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/00 ; F01P 3/12 ; B60K 1/102 ;
U.S. Cl.
CPC ...
H02K 9/00 ; F01P 3/12 ; B60K 1/102 ;
Abstract
A drive system for a motor vehicle includes a drive shaft and an electric machine operatively connected to the shaft for rotating the shaft and obtaining electric energy during rotation of the drive shaft. The electric machine includes a stator arrangement and a rotor arrangement which can be rotated with the aid of the drive shaft and is operated by permanent magnet. A heat transfer arrangement arranged in the drive system for bringing the rotor arrangement to a desired operating temperature and/or to maintain the desired operating temperature.