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:
Mar. 05, 2019
Filed:
Mar. 31, 2016
Applicant:
Sumitomo Heavy Industries, Ltd., Tokyo, JP;
Inventor:
Kazuhiro Kimura, Okayama, JP;
Assignee:
SUMITOMO HEAVY INDUSTRIES, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F04D 19/00 (2006.01); F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
F16H 57/0416 (2013.01); F04D 19/002 (2013.01); F04D 29/547 (2013.01);
Abstract
Disclosed is a speed reduction apparatus including: a casing that accommodates a speed reduction mechanism; an input shaft including a protruding portion protruding from the casing to the outside; a fan provided on the protruding portion of the input shaft; and a fan hood that covers the fan. The fan hood includes a cylindrical portion, and a trumpet-like portion that is connected to the cylindrical portion, and includes an inner surface inclined to be separated away from the input shaft toward a load side. A flow straightening fin is provided on an inner surface of the trumpet-like portion.