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:
Jul. 29, 2025
Filed:
Apr. 29, 2022
Applicant:
Dana Tm4 Inc., Boucherville, CA;
Inventors:
Assignee:
DANA TM4 INC., Boucherville, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 5/20 (2006.01); B60K 1/00 (2006.01); B60K 11/02 (2006.01); H02K 5/15 (2006.01); H02K 5/18 (2006.01); H02K 9/193 (2006.01);
U.S. Cl.
CPC ...
H02K 5/203 (2021.01); B60K 1/00 (2013.01); B60K 11/02 (2013.01); H02K 5/15 (2013.01); H02K 5/18 (2013.01); H02K 5/20 (2013.01); H02K 9/193 (2013.01); B60K 2001/001 (2013.01); B60K 2001/006 (2013.01);
Abstract
Methods and systems are provided for an electric axle in a vehicle. The electric axle comprises an electric motor having a stator and a rotor, a coolant manifold mounted to an end plate of the rotor, wherein the coolant manifold is configured to flow coolant to rotor coolant lines extending axially through the rotor, and a spray ring comprising coolant lines coupled to the coolant manifold, wherein coolant flowing from the coolant manifold to the spray ring flows in a direction angled to an axial direction, wherein the spray ring is positioned circumferentially about axial stator end windings.