BLADE, CONNECTING ASSEMBLY, AND FORMING METHOD FOR BLADE

WIPO Patent Application WO/2023/169027

A1

The present application discloses a blade, a connecting assembly, and a forming method for the blade. The blade comprises a blade body and the connecting assembly, the blade body is provided with two or more segmented blades which are sequentially distributed, each segmented blade comprises a shell unit and a web unit, and the connecting assembly comprises a first connecting piece and a second connecting piece. The first connecting piece and the second connecting piece are respectively connected to the web units of the two adjacent segmented blades, and the ends of the first connecting piece and the second connecting piece which face each other are connected, i.e. the web units and the shell units of the two segmented blades can be connected by means of the connecting assembly, and the shell units and web units of the segmented blades are sequentially connected so as to form a casing and a web plate, so that the segmented blades are connected to form an integral blade. According to the blade provided by an embodiment of the present application, the connection reliability may be improved, the impact of the blade on blade weight distribution is reduced, and the costs are low, which makes the assembly and manufacturing of segmented blades more convenient.

LU XIAOFENG (CN)
ZHANG DANFENG (CN)
ZHAO LIYAN (CN)
LI ZHANYING (CN)
LI CHENGLIANG (CN)
WANG XIANGDONG (CN)
LI GUOYONG (CN)

PCT/CN2022/138305

September 14, 2023

December 12, 2022

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SINOMA WIND POWER BLADE CO LTD (CN)

F03D1/06

CN102734084A	2012-10-17
CN114810472A	2022-07-29
CN104612907A	2015-05-13
CN105526044A	2016-04-27
CN112412696A	2021-02-26
US20100143148A1	2010-06-10

BEIJING EAST IP LTD. (CN)

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