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:
Apr. 30, 2019
Filed:
Mar. 25, 2014
Applicant:
Windfin B.v., Leimuiden, NL;
Inventor:
Amedeo Sabbadin, Padua, IT;
Assignee:
WINDFIN B.V., Leimuiden, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 1/06 (2006.01); B29D 99/00 (2010.01); F03D 13/20 (2016.01); F03D 13/10 (2016.01); B29K 105/12 (2006.01); B29K 305/00 (2006.01);
U.S. Cl.
CPC ...
F03D 1/0675 (2013.01); B29D 99/0025 (2013.01); F03D 1/0658 (2013.01); F03D 13/10 (2016.05); F03D 13/20 (2016.05); B29K 2105/12 (2013.01); B29K 2305/00 (2013.01); F05B 2260/301 (2013.01); Y02E 10/721 (2013.01); Y02P 70/523 (2015.11);
Abstract
A wind turbine blade root having: an annular structure extending about a main axis and made of a composite material including a matrix and reinforcing fibers; first longitudinal reinforcing elements, which are incorporated in the annular structure, extend in the direction of the main axis, and are spaced apart in a circle about the main axis; and an annular reinforcing element connecting the first longitudinal reinforcing elements and having first coupling portions for connection to the first longitudinal reinforcing elements.