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:
May. 11, 2021
Filed:
Jun. 20, 2018
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventor:
Yoshitada Yamagishi, Okazaki, JP;
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 1/32 (2006.01); H02K 9/19 (2006.01);
U.S. Cl.
CPC ...
H02K 1/32 (2013.01); H02K 9/19 (2013.01);
Abstract
A rotor core has a plurality of magnetic steel sheets laminated in an axial direction. Cooling passages extending in an axial direction are formed by aligning openings of the plurality of magnetic steel sheets. The cooling passages have axial direction passages that communicate at one end. A coolant inlet is then formed in one passage, and coolant outlets are formed in the other passages.