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:
Oct. 29, 2019
Filed:
Jun. 05, 2017
Applicant:
Minebea Mitsumi Inc., Kitasaku-Gun, Nagano, JP;
Inventors:
Naoya Murakami, Fukuroi, JP;
Yukihiro Higuchi, Fukuroi, JP;
Haruomi Morohashi, Hamamatsu, JP;
Toshiaki Seima, Fukuroi, JP;
Koichi Tamai, Kakegawa, JP;
Assignee:
Minebea Mitsumi Inc., Nagano, JP;
Primary Examiner:
Int. Cl.
CPC ...
F04D 17/14 (2006.01); F04D 29/22 (2006.01); F04D 17/16 (2006.01); F04D 25/10 (2006.01); F04D 25/06 (2006.01); F04D 29/38 (2006.01); F24F 7/06 (2006.01);
U.S. Cl.
CPC ...
F04D 29/2216 (2013.01); F04D 17/14 (2013.01); F04D 17/165 (2013.01); F04D 25/0613 (2013.01); F04D 25/10 (2013.01); F04D 29/384 (2013.01); F24F 7/06 (2013.01);
Abstract
An impeller of this disclosure includes a hub having a ring shape; and a plurality of blades that are provided on an outer periphery of the hub, wherein the blade has a trailing edge formed such that an inner side of a radial width of the blade is curved in a direction opposite to a rotation direction, in a plan view as viewed in a direction of a rotation axis.