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    • 11. 发明申请
    • DEVICE FOR CHANGING A BLADE PITCH OF A BLADE IN A WIND TURBINE ROTOR
    • 改变风轮转子叶片叶片的装置
    • WO2009048403A1
    • 2009-04-16
    • PCT/SE2008/000597
    • 2008-10-13
    • AKTIEBOLAGET SKFLÖVGREN, TorbjörnOVIZE, PascalGARRIPOLI, Giuseppe
    • LÖVGREN, TorbjörnOVIZE, PascalGARRIPOLI, Giuseppe
    • F03D7/00F03D11/00
    • F03D7/0224F05B2260/79Y02E10/723
    • A device (3) for changing a blade pitch of a blade (2) in a wind turbine rotor (1) is disclosed. It comprises a first bearing (4) having a first ring (5), a second ring (6), and rolling elements (7) located therebetween. The wind turbine rotor (1) and a blade (2) is being fixable to the first bearing (4), and a gear (8) is operating between the first ring (5) and the second ring (6), wherein the gear (8) comprises a plurality of cog wheels (6, 10, 11, 16, 19, 34, 42, 44, 46, 48, 49, 52) having cogs, whereof a plurality of cogs are in driving cooperative engagement with cogs of at least one other cog wheel (6, 10, 11, 16, 19, 34, 42, 44, 46, 48, 49, 52) in the gear (8) during operation, a motor (9) for driving the gear (8) leading to a rotation of one of the first (5) and the second ring (6), leading to changing the blade pitch of the blade (2). Also disclosed is a wind turbine rotor (1) comprising: a hub mountable to a nacelle of a wind turbine, a plurality of devices (3) mounted onto the hub, each one of the devices (3) having a blade (2).
    • 公开了一种用于改变风力涡轮机转子(1)中的叶片(2)的叶片间距的装置(3)。 它包括具有第一环(5),第二环(6)和位于它们之间的滚动元件(7)的第一轴承(4)。 风力涡轮机转子(1)和叶片(2)可固定到第一轴承(4),齿轮(8)在第一环(5)和第二环(6)之间操作,其中齿轮 (8)包括具有齿轮的多个齿轮(6,10,11,16,19,34,42,44,46,48,49,52),所述齿轮具有齿轮,其中多个齿轮与所述齿轮的齿轮协同接合 在操作期间齿轮(8)中的至少一个其它齿轮(6,10,11,16,19,34,42,44,46,48,49,52),用于驱动齿轮的马达(9) 8)导致第一(5)和第二环(6)之一的旋转,导致改变叶片(2)的叶片间距。 还公开了一种风力涡轮机转子(1),包括:可安装到风力涡轮机的机舱的轮毂,安装在轮毂上的多个装置(3),每个装置(3)具有叶片(2)。