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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 12015329 B1

PDFFull Text
Date of Patent:
Jun. 18, 2024

Filed:

Oct. 21, 2022

Motor unit with oil passage and partition

Applicant:

Nidec Corporation, Kyoto, JP;

Inventor:

Shuhei Nakamatsu, Kyoto, JP;

Assignee:

NIDEC CORPORATION, Kyoto, JP;

Attorney:

HAUPTMAN HAM, LLP

Primary Examiner:

John K Kim

Int. Cl.
CPC ...
H02K 9/193 (2006.01); B60K 1/00 (2006.01); H02K 5/20 (2006.01); H02K 5/24 (2006.01); H02K 7/00 (2006.01); H02K 7/116 (2006.01); H02K 21/14 (2006.01);
U.S. Cl.
CPC ...
H02K 9/193 (2013.01); B60K 1/00 (2013.01); H02K 5/20 (2013.01); H02K 5/203 (2021.01); H02K 5/24 (2013.01); H02K 7/003 (2013.01); H02K 7/116 (2013.01); H02K 21/14 (2013.01); B60K 2001/006 (2013.01);
Abstract

A motor unit includes a motor including a rotor including a shaft, and configured to rotate about a motor axis extending in a horizontal direction, and a stator located radially outside of the rotor; a housing including a housing space to accommodate the motor; an oil passage configured to circulate an oil in the housing space to cool the motor; a gear portion connected to the shaft on one side in an axial direction of the motor axis; and a pump arranged in the oil passage and arranged to the housing. The housing includes a partition arranged to divide a gear chamber to accommodate the gear portion and a motor chamber to accommodate the motor. The partition includes a second connection hole portion opened on the other side in the axial direction toward an inside of the motor chamber.

Find Patent Forward Citations

Nakamatsu, Shuhei. (2024). Motor unit with oil passage and partition (U.S. Patent No. 12015329). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12015329

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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