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. 24, 2019
Filed:
Jul. 03, 2015
Applicant:
Daikin Industries, Ltd., Osaka-shi, Osaka, JP;
Inventors:
Kazuyasu Matsui, Osaka, JP;
Shimei Tei, Osaka, JP;
Tooru Iwata, Osaka, JP;
Shigeyuki Takaoka, Osaka, JP;
Assignee:
DAIKIN INDUSTRIES, LTD., Osaka-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/54 (2006.01); F04D 29/38 (2006.01); F24F 1/00 (2019.01); F04D 19/00 (2006.01); F04D 29/66 (2006.01); F24F 1/0029 (2019.01); F04D 29/16 (2006.01);
U.S. Cl.
CPC ...
F04D 29/542 (2013.01); F04D 19/002 (2013.01); F04D 29/164 (2013.01); F04D 29/38 (2013.01); F04D 29/384 (2013.01); F04D 29/544 (2013.01); F04D 29/661 (2013.01); F24F 1/00 (2013.01); F24F 1/0029 (2013.01); F05D 2240/122 (2013.01); F05D 2240/125 (2013.01); F05D 2240/305 (2013.01); F05D 2240/307 (2013.01);
Abstract
A propeller fan includes a rotary blade hub driven in rotation about a rotation axis, and a rotary blade installed at an outer periphery of the rotary blade hub. The rotary blade includes a rotary blade body protruding from an outer peripheral surface of the rotary blade hub, and a rib formed on an outer peripheral edge portion of a pressure surface of the rotary blade body so as to extend along an outer peripheral edge of the rotary blade body.