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. 20, 2018
Filed:
Jul. 16, 2012
Martin Dahl, Flensburg, DE;
Bjarne Krab Mortensen, Billund, DK;
Morten Olesen, Lunderskov, DK;
LM WP PATENT HOLDING A/S, Kolding, DK;
Abstract
A wind turbine blade () is formed of a fiber-reinforced composite material comprising a polymer matrix. The blade () further comprises a first region (), a second region () and a transition region () between the first and the second region (). The first region () is reinforced predominantly with a first reinforcement fiber material (). The second region () is reinforced predominantly with a second reinforcement fiber material (). The first and the second reinforcement fiber material differ from each other and has differing E-modulus. The transition region () additionally comprises a third type of reinforcement fiber material () differing from both the first and the second reinforcement fiber material () and having an E-modulus between that of the first reinforcement fiber material () and that of the second reinforcement fiber material ().