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.

Date of Patent:
Sep. 29, 2020

Filed:

Oct. 30, 2018
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;

Inventors:

Hiroshi Inano, Miyoshi, JP;

Shigeru Kimura, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/24 (2006.01); H02K 9/19 (2006.01); H02K 7/00 (2006.01); H02K 11/25 (2016.01); H02K 1/32 (2006.01); F16H 57/04 (2010.01); B60K 6/36 (2007.10);
U.S. Cl.
CPC ...
H02K 9/19 (2013.01); H02K 1/32 (2013.01); H02K 7/003 (2013.01); H02K 7/006 (2013.01); H02K 9/24 (2013.01); H02K 11/25 (2016.01); B60K 6/36 (2013.01); B60Y 2200/92 (2013.01); B60Y 2306/05 (2013.01); F16H 57/0446 (2013.01);
Abstract

A cooling apparatus includes: an intra-axle coolant supply unit supplying coolant into a rotation shaft of a rotating electrical machine; a coolant discharge unit pouring coolant onto the rotating electrical machine, wherein the coolant is conducted in a predetermined distribution ratio to the intra-axle coolant supply unit and the coolant discharge unit; a flow rate adjustment device capable of adjusting a supply flow rate of the coolant; and a control device functioning as: a determination device determining overheating of the rotating electrical machine caused by deviating allocation of the coolant to the intra-axle coolant supply unit in an increase direction as compared to the predetermined distribution ratio; and a recovery device controlling the flow rate adjustment device to implement a recovery operation in which the supply flow rate is decreased and then elevated, when the determination device has determined that the overheating of the rotating electrical machine is occurring.


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