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Method and tools for manufacturing a wind turbine blade, and the manufactured blade

A wind turbine, blade technology, applied in the field of manufacturing at least the root section of wind turbine blades

Active Publication Date: 2016-02-24
LM WP PATENT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This increased demand cannot be met by building new factories alone and requires optimization of manufacturing methods

Method used

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  • Method and tools for manufacturing a wind turbine blade, and the manufactured blade
  • Method and tools for manufacturing a wind turbine blade, and the manufactured blade
  • Method and tools for manufacturing a wind turbine blade, and the manufactured blade

Examples

Experimental program
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Effect test

Embodiment Construction

[0058] figure 1 A conventional modern upwind wind turbine 2 according to the so-called "Danish concept" is shown with a tower 4, a nacelle 6 and a rotor with a substantially horizontal rotor axis. The rotor comprises a hub 8 and three blades 10 extending radially from the hub 8 , each blade having a blade root 16 closest to the hub and a blade tip 14 furthest from the hub 8 .

[0059] figure 2 A schematic diagram of a first embodiment of a wind turbine blade 10 is shown. The wind turbine blade 10 has the shape of a conventional wind turbine blade and includes a root section 30 closest to the hub, a profile or airfoil section 34 furthest from the hub, and The transition section 32 between. The blade 10 includes a leading edge 18 facing the direction of rotation of the blade 10 when the blade is mounted on the hub and a trailing edge 20 facing the opposite direction of the leading edge 18 .

[0060] The airfoil section 34 (also referred to as profile section) has the ideal ...

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Abstract

A method and mould system for manufacturing at least a root section (30) of a wind turbine blade (10, 110, 310) is described. The method and system utilise a mould inlay (50, 150, 350) which is arranged on top of a mould surface (42, 142) of a mould part so as to change the radius of curvature of the mould part and thereby also the diameter of a root section manufactured via the mould part and mould inlay.

Description

technical field [0001] The invention relates to a method of manufacturing at least a root section of a wind turbine blade by using a mold insert. The invention also relates to a mold part for producing at least a root section of a wind turbine blade and suitable for use by a mold insert. The invention additionally relates to a kit of parts comprising a mold part for producing at least a root section of a wind turbine blade and a mold insert adapted to be inserted into the mold. Finally, the invention also relates to a wind turbine blade produced by means of a mold and a mold inlay and a blade series comprising a blade produced with a mold inlay and a blade produced without a mold inlay. Background technique [0002] Over the years, blade configurations for wind turbines have evolved towards shapes in which the blade (when mounted on a wind turbine) includes a root region closest to the hub of the wind turbine, a profile region or an airfoil region furthest from the hub and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/30F03D1/06B29C70/34B29L31/08
CPCB29C70/34B29C33/306F03D1/0675B29L2031/085F05B2230/21F05B2280/40F05B2280/6003B29D99/0028Y02E10/72Y02P70/50B29C70/342B29C70/443B29K2063/00B29K2067/00B29K2105/06F03D1/0633
Inventor P.奎林格M.舍弗
Owner LM WP PATENT HLDG