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:
Dec. 29, 2020
Filed:
Mar. 15, 2018
Applicant:
Honda Motor Co., Ltd., Tokyo, JP;
Inventor:
Junichi Yamaguchi, Tochigi, JP;
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16H 3/66 (2006.01);
U.S. Cl.
CPC ...
F16H 57/043 (2013.01); F16H 57/0426 (2013.01); F16H 57/0471 (2013.01); F16H 57/0484 (2013.01); F16H 3/66 (2013.01); F16H 2200/0069 (2013.01); F16H 2200/2012 (2013.01); F16H 2200/2046 (2013.01); F16H 2200/2048 (2013.01); F16H 2200/2066 (2013.01); F16H 2200/2082 (2013.01);
Abstract
A power transmission device is provided. A rotary shaft is provided in a housing via a bearing. A lubricant passage that is opened at an end is formed in the rotary shaft. A discharge channel that discharges the lubricant in the lubricant passage in a radial direction from an opening at the end of the rotary shaft and supplies the lubricant to the bearing is provided. An annular protruding portion is provided in the discharge channel. The annular protruding portion is formed on an inner surface of the housing facing an axial direction of the rotary shaft and protrudes to between the rotary shaft and the bearing.