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:
Jul. 07, 2015
Filed:
Sep. 13, 2010
Applicants:
Tomoaki Makino, Iwata, JP;
Ken Yamamoto, Iwata, JP;
Inventors:
Tomoaki Makino, Iwata, JP;
Ken Yamamoto, Iwata, JP;
Assignee:
NTN CORPORATION, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 1/32 (2006.01); H02K 9/19 (2006.01); B60K 7/00 (2006.01); F16H 1/32 (2006.01); H02K 7/14 (2006.01); B60K 17/04 (2006.01); B60K 1/00 (2006.01); H02K 5/20 (2006.01);
U.S. Cl.
CPC ...
H02K 9/19 (2013.01); B60K 7/0007 (2013.01); B60K 17/046 (2013.01); B60K 2001/003 (2013.01); B60K 2007/0038 (2013.01); B60K 2007/0092 (2013.01); F16H 1/32 (2013.01); H02K 1/32 (2013.01); H02K 5/20 (2013.01); H02K 7/14 (2013.01); Y02T 10/641 (2013.01);
Abstract
This air-cooled type in-wheel motor drive assemblyincludes a lubrication oil circuit for lubricating a speed reduction unit B by allowing lubrication oil discharged from a lubrication oil pumpto flow through interconnected oil passagesprovided to a casing, motor-rotary-shaft oil passage, speed-reduction-unit input-shaft oil passageand interior of the speed reduction unit B, and for cooling a motor unit A and the speed reduction unit B with the lubrication oil cooled with the aid of outer finswhile flowing through the oil passagesprovided to the casing.