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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.:

US 11777364 B1

PDFFull Text
Date of Patent:
Oct. 03, 2023

Filed:

Nov. 05, 2021

Drive device and vehicle

Applicant:

Nidec Corporation, Kyoto, JP;

Inventors:

Yuki Ishikawa, Kyoto, JP;

Hitoshi Kuroyanagi, Kyoto, JP;

Naohiro Wada, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:

KEATING & BENNETT

Primary Examiner:

John K Kim

Int. Cl.
CPC ...
H02K 5/20 (2006.01); B60L 53/22 (2019.01); F16H 57/02 (2012.01); F16H 57/04 (2010.01); H02K 11/33 (2016.01); H02K 21/16 (2006.01); H02K 7/116 (2006.01); H02K 9/193 (2006.01); B60K 1/00 (2006.01);
U.S. Cl.
CPC ...
H02K 5/203 (2021.01); B60L 53/22 (2019.02); F16H 57/02 (2013.01); F16H 57/043 (2013.01); F16H 57/0417 (2013.01); F16H 57/0424 (2013.01); F16H 57/0436 (2013.01); F16H 57/0476 (2013.01); H02K 7/116 (2013.01); H02K 9/193 (2013.01); H02K 11/33 (2016.01); H02K 21/16 (2013.01); B60K 2001/001 (2013.01); F16H 2057/02034 (2013.01); F16H 2057/02052 (2013.01);
Abstract

A gear portion of a drive device is connected to a motor shaft. An oil passage through which oil to cool a motor flows includes a first oil passage, a second oil passage, a third oil passage, and a fourth oil passage. The first oil passage connects a gear accommodation portion and a pump accommodation portion. The second oil passage connects the pump accommodation portion and an oil cooler. The third oil passage connects the oil cooler and the fourth oil passage. The fourth oil passage connects the third oil passage and a motor accommodation portion. Each of the first oil passage, the second oil passage, and the third oil passage is in a first housing portion. The fourth oil passage is in a third housing portion.

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