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. 24, 2020
Filed:
Dec. 21, 2017
Applicant:
Audi Ag, Ingolstadt, DE;
Inventor:
Christian Holzapfel, Lenting, DE;
Assignee:
AUDI AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/32 (2006.01); H02K 9/19 (2006.01); H02K 17/16 (2006.01); H02K 3/24 (2006.01);
U.S. Cl.
CPC ...
H02K 1/32 (2013.01); H02K 3/24 (2013.01); H02K 9/19 (2013.01); H02K 17/16 (2013.01); H02K 17/165 (2013.01); B60Y 2306/05 (2013.01); B60Y 2400/604 (2013.01);
Abstract
A rotor for an electrical machine with one or a plurality of cooling ducts through which a cooling agent can flow. One end face of the rotor there is provided an annular space, bounded axially inwardly and radially outwardly and joined communicating with the cooling duct or ducts. A cover plate is provided, attached to the end face and bounding the annular space axially outwardly, having a central through-opening for introducing the cooling agent into the annular space.