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.

Date of Patent:
Aug. 27, 2019

Filed:

Jun. 19, 2017
Applicant:

Industry-university Cooperation Foundation of Korea Aerospace University, Goyang-si, KR;

Inventors:

Jae-Sung Bae, Seoul, KR;

Soo-Yong Lee, Paju-si, KR;

Dong-Guk Choi, Goyang-si, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0641 (2013.01); F03D 1/0683 (2013.01); F03D 1/0633 (2013.01); F03D 1/0675 (2013.01); F05B 2240/21 (2013.01); F05B 2240/221 (2013.01); F05B 2240/2212 (2013.01); Y02E 10/721 (2013.01); Y02P 70/523 (2015.11);
Abstract

Provided is a blade for a wind power generator comprising: a main spar including: an upper main spar flange and a lower main spar flange whose both ends are protruded towards the front and rear side respectively; a front main spar web and a rear main spar web which are connecting the upper main spar flange and the lower main spar flange; a first body, located in the front side of the main spar, including an inverted D-type rib; and a second body, located in the rear side of the main spar, including a curved rib. The inverted D-type rib includes: a vertical frame; and a block frame extendedly formed from the upper side and the lower side of the vertical frame respectively and convexly formed towards the front side.


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