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. 05, 2026
Filed:
Mar. 29, 2024
Nidec Corporation, Kyoto, JP;
Ryosuke Matsuzaki, Kyoto, JP;
Taishi Satoda, Kyoto, JP;
Sota Doi, Kyoto, JP;
Jinnosuke Ikushima, Kyoto, JP;
Daichi Sukemori, Kyoto, JP;
NIDEC CORPORATION, Kyoto, JP;
Abstract
A drive device includes a motor, a transmission, a housing, and a flow path. The transmission includes first to third shafts, and first to third bearings supporting the first to third shafts, respectively. The housing includes a side wall covering a gear chamber from one side in an axial direction, and having first to third bearing holding portions for holding the first to third bearings, respectively. The flow path includes a supply flow path portion that supplies a fluid to the inside of the second bearing holding portion, a first flow path portion that connects the inside of the second bearing holding portion and the inside of the first bearing holding portion, and a second flow path portion that connects the inside of the second bearing holding portion and the inside of the third bearing holding portion.