F - Mech Eng,Light,Heat,Weapons – 03 – D
Patent
F - Mech Eng,Light,Heat,Weapons
03
D
F03D 1/06 (2006.01)
Patent
CA 2625997
A blade (1) for a rotor of a wind turbine having a substantially horizontal' rotor shaft, said rotor comprising a hub, from which the blade extends substantially radially from said rotor when mounted. The blade (1) has a chord plane (K) extending between the leading edge (5) and the trailing edge (S) of the blade (1 ) . The blade (1) comprises a root area (2) closest to the hub, an airfoil area (4) furthest away from the hub and a transition area (3) between the root area (2) and the airfoil area (4) , and comprises a single airfoil along substantially the entire airfoil area (4) . The blade (1) comprises at least a first root segment (7) and a second root segment (8) along substantially the entire root area (2) , said segments being arranged with a mutual distance, as seen transverse to the chord plane (K) . At least one of the root segments (7, 8) has an airfoil profile.
La présente invention concerne une aube (1) pour un rotor d~une éolienne qui possède un arbre de rotor sensiblement horizontal, ledit rotor comprenant un moyeu, à partir duquel l~aube s~étend de façon sensiblement radiale lorsqu~elle est montée. L~aube (1) possède un plan de corde (K) qui s~étend entre le bord d~attaque (5) et le bord de fuite (S) de l~aube (1). L~aube (1) comprend une zone d~emplanture (2) la plus près du moyeu, une zone de profil aérodynamique (4) la plus éloignée du moyeu et une zone de transition (3) entre la zone d~emplanture (2) et la zone de profil aérodynamique (4), et comprend un profil aérodynamique unique le long sensiblement de la zone de profil aérodynamique (4) entière. L~aube (1) comprend au moins un premier segment d~emplanture (7) et un second segment d~emplanture (8) le long sensiblement de la zone d~emplanture (2) entière, lesdits segments étant agencés avec une distance mutuelle, telle que vue transversalement au plan de corde (K). Au moins un des segments d~emplanture (7, 8) possède un profil aérodynamique.
Lm Glasfiber A/s
Marks & Clerk
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