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:
Sep. 05, 2017
Filed:
Jun. 23, 2015
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventors:
Kazuhiro Kimura, Okayama, JP;
Yoshiki Hayashi, Okayama, JP;
Tetsuo Harii, Kanagawa, JP;
Sadanori Ishihara, Kanagawa, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/02 (2012.01); H05K 7/20 (2006.01); F16H 57/04 (2010.01); F16H 57/033 (2012.01);
U.S. Cl.
CPC ...
H05K 7/20145 (2013.01); F16H 57/0416 (2013.01); H05K 7/20154 (2013.01); F16H 57/033 (2013.01); F16H 57/0495 (2013.01);
Abstract
Disclosed is a power transmission apparatus that is cooled by airflow sent from a fan and includes fins provided on side surfaces of a casing. The fins include upstream fins close to the fan and downstream fins distant from the fan. An interval between the upstream fins is smaller than an interval between the downstream fins.