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:
Aug. 30, 2016
Filed:
Aug. 12, 2014
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventor:
Kazuhisa Abe, Okayama, JP;
Assignee:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16H 41/30 (2006.01); F16D 33/18 (2006.01); F16H 57/02 (2012.01);
U.S. Cl.
CPC ...
F16H 57/0415 (2013.01); F16D 33/18 (2013.01); F16H 41/30 (2013.01); F16H 57/0416 (2013.01); F16D 2300/0212 (2013.01); F16D 2300/26 (2013.01); F16H 2057/02073 (2013.01); Y10T 74/2189 (2015.01);
Abstract
A power transmission device in which a motor and a reduction gear are connected through a fluid coupling, includes: a fan for reduction gear cooling provided at an input shaft of the reduction gear; and a protective cover configured to cover the fluid coupling, wherein the protective cover is provided with an air intake for the fan, and a guide unit that guides air drawn in from the air intake to the fan.