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:
Jan. 29, 2013
Filed:
Mar. 06, 2009
Ken Yamamoto, Iwata, JP;
Tomoaki Makino, Iwata, JP;
Minoru Suzuki, Iwata, JP;
Takayuki Iio, Hamamatsu, JP;
Ken Yamamoto, Iwata, JP;
Tomoaki Makino, Iwata, JP;
Minoru Suzuki, Iwata, JP;
Takayuki Iio, Hamamatsu, JP;
NTN Corporation, Osaka, JP;
Suzuki Motor Corporation, Shizuoka, JP;
Abstract
An in-wheel motor drive device () includes a motor part A, a reducer part B, a wheel hub C, and a reducer part lubricating mechanism to supply a lubricant oil to the reducer part. The reducer part lubricating mechanism includes a lubricant oil path (), a lubricant oil supply port (), a lubricant oil discharge port (), a circulation oil path () passing through a casing () to connect the lubricant oil discharge port () to the lubricant oil path (), and to return the lubricant oil discharged from the lubricant oil discharge port () to the lubricant oil path (), a cooling water path () provided in the casing () so as to be in contact with the circulation oil path () to cool down the lubricant oil passing through the circulation oil path (), and a partition member () arranged in a contact position between the circulation oil path () and the cooling water path (), to separate them.