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:
Apr. 15, 2003
Filed:
Aug. 13, 2001
Robert Bosch GmbH, Stuttgart, DE;
Abstract
An electric machine is proposed, in particular a generator for a motor vehicle, having an excitation system comprised of a number of electrically excited individual poles in the stator or rotor. The stator ( ) or rotor ( ) is embodied in the form of electromagnetically excited poles ( ) which are oriented axially along the circumference and whose polarity alternates in the circumferential direction, in which permanent magnets ( ) are inserted into intermediary spaces ( ) between the alternating poles ( ) in order to reduce the magnetic leakage flux. The attachment of the permanent magnets ( ) to the stator ( ) or rotor ( ) is characterized in that the permanent magnets ( ) are each secured by means of a securing element ( ) which cannot be excited magnetically, wherein these securing elements are secured on both sides in pole grooves ( ) and one pole groove ( ) is let into the longitudinal side of a pole ( ) and one pole groove ( ) is let into the longitudinal side of an opposing pole, the pole ( ).