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:
Sep. 02, 2025
Filed:
Oct. 25, 2021
Robert Bosch Gmbh, Stuttgart, DE;
Peter Theisinger, Markgroeningen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The present invention relates to a rotor () of an electric machine (), comprising a rotor body () which can be rotated about a rotor axis (), has an outer circumference () and a plurality of rotor poles () and is formed by a stack of laminations, each rotor pole () having a central pole axis () and an arrangement of permanent magnets () arranged in pockets () of the rotor body (), in particular the stack of laminations, the arrangement of permanent magnets () comprising two radially spaced layers () having permanent magnets (), the radially inner layer () having two inner pockets () arranged symmetrically with respect to the central pole axis () and an inner connecting portion () between the two inner pockets (), and the radially outer layer () having an outer pocket () arranged symmetrically with respect to the central pole axis (), characterized in that the inner connecting portion () is a single connecting portion arranged symmetrically with respect to the central pole axis (), in that two additional pockets () which act as a flow barrier and are arranged symmetrically with respect to the central pole axis () are provided between the outer circumference () of the rotor body () and the outer pocket (), and in that each additional pocket () forms a first outer connecting portion () between the additional pocket () and the outer pocket ().