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:
Oct. 11, 2022
Filed:
Feb. 19, 2020
Applicant:
Vitesco Technologies Gmbh, Hannover, DE;
Inventor:
Holger Fröhlich, Berlin, DE;
Assignee:
VITESCO TECHNOLOGIES GMBH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/00 (2006.01); H02K 9/193 (2006.01); H02K 9/14 (2006.01);
U.S. Cl.
CPC ...
H02K 7/003 (2013.01); H02K 9/193 (2013.01);
Abstract
A multipart rotor shaft for an electric machine comprises a first shaft journal with a first end flange and a first axial passage bore, a second shaft journal with a second end flange. The rotor shaft also includes a hollow carrier for a laminated rotor core, a line element for conducting a cooling medium, and a separating element which divides a cavity between the carrier and the line element into a first partial cavity and a second partial cavity.