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Formation of a core structure of a wind turbine rotor blade by using a plurality of basic core components

A technology for wind turbines and rotor blades, applied in the field of basic core components, manufacturing such basic core components, and structural support components, can solve problems such as difficulty in manufacturing, and achieve easy and cheap manufacturing. "The effect of craftsmanship

Inactive Publication Date: 2013-04-17
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, this type of construction is relatively difficult to fabricate

Method used

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  • Formation of a core structure of a wind turbine rotor blade by using a plurality of basic core components
  • Formation of a core structure of a wind turbine rotor blade by using a plurality of basic core components
  • Formation of a core structure of a wind turbine rotor blade by using a plurality of basic core components

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Embodiment Construction

[0060] It should be noted that in different figures, similar or identical elements have reference numerals with the same last two digits.

[0061] figure 1 A base core member 100 is shown having a triangular cross-sectional shape. According to the embodiments described here, a triangle has a right angle and two sides of the same length. It should be mentioned that the described invention is not limited to basic core members having such a triangular cross-sectional shape. Besides triangles, other forms can also be used.

[0062] The base core part 100 comprises a pre-cast base element 110 made of foam material. The precast base element is therefore also referred to as a foam profile 110 . The resin receiving layer 120 is adhered to the two surfaces associated with the two triangle sides having the same length. According to the embodiment described here, the resin receiving layer is a fiber layer 120, such as a glass fiber layer and / or a carbon fiber layer.

[0063] fig...

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Abstract

It is described a basic core component (240, 740, 840, 940, 1040, 1140, 1240a-c) for forming, together with at least one another basic core component, a core structure of a rotor blade of a wind turbine. The basic core component comprises a precasted base element (110, 210, 310, 710, 810, 910, 1010, 1110) being made from a foam material (468, 568, 668), and a resin receiving layer (120, 220, 320, 420, 520, 620, 720, 820, 920, 1020, 1120), which is adhered to at least one surface of the precasted base element. When, during a casting procedure, the resin receiving layer adjoins the surface of another basic core component, the resin receiving layer is adapted to receive resin such that, after hardening the received resin, the basic core element and the another basic core element are mechanically connected with each other. It is further described a structural support assembly comprising at least one of such a basic core component and at least one further basic core component. Further, it is described a wind turbine rotor blade, which comprises a core structure comprising at least one of such a structural support assembly. Furthermore, a method for manufacturing such a basic core component is described.

Description

technical field [0001] The invention relates to the technical field of producing rotor blades for wind turbines. In particular, the invention relates to a base core part which, together with at least one further base core part, forms a core structure of a rotor blade of a wind turbine. Furthermore, the invention relates to a structural support assembly comprising at least one such base core part and at least one further base core part. Furthermore, the invention relates to a rotor blade for a wind turbine, wherein the rotor blade comprises a core structure comprising at least one such structural support assembly. Furthermore, the invention relates to a method for manufacturing such a basic core part. Background technique [0002] Modern wind turbine rotor blades typically consist of fiber-reinforced composites combined with lightweight materials such as balsa wood or plastic foam. The plastic foam may in particular comprise polyvinyl chloride (PVC), polyethylene terephtha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F03D1/06
CPCB29C70/52B29C70/865B29D99/0021B29L2031/085F05B2230/23F05B2230/24F05B2280/4003F03D1/0675Y02E10/72Y02P70/50
Inventor K.席布斯拜
Owner SIEMENS AG
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