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A wind turbine blade equipped internally with collection means

A technology of wind power generators and collection devices, applied in the field of blades, can solve problems such as endangering the surrounding environment

Active Publication Date: 2007-12-19
LM GLASSFIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, it is also possible to prevent the drain hole from being blocked, thereby eliminating the need for maintenance on the drain hole; at the same time, the problem of endangering the surrounding environment due to loose objects thrown outside through the blade drain hole is also solved.

Method used

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  • A wind turbine blade equipped internally with collection means
  • A wind turbine blade equipped internally with collection means
  • A wind turbine blade equipped internally with collection means

Examples

Experimental program
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Embodiment Construction

[0025] Figure 1 is a cross-sectional view of a blade 101 for a wind turbine. Typically, a blade is assembled from two blade shells and some internal support posts 105 so that the blade includes one or more cavities. In order to also allow moisture to flow out of the blade during use, a plurality of drainage holes 102 are provided on the blade. In the example given, the drainage holes 102 are provided at the tip 103 of the blade, and at the rear right of the outermost part of the rear edge 104 of the blade. According to one embodiment of the present invention, a plurality of filters 106 are provided inside the blade 101 . Advantageously, they are located in front of each drainage hole 102 so that objects or particles larger than the mesh of the filter cannot enter the drainage holes 102 and accordingly do not block the drainage holes. Smaller particles either pass through the filter or are captured by it. According to another embodiment of the invention, the filter is arrang...

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Abstract

The vane for a wind energy installation is equipped with collecting devices and comprises at least two parts so that a hollow space is formed, in which devices are placed for collection of dust, particles or loose objects. The collecting dvices consist of a container with a funnel-shaped opening, with a valve or adhesive surfaces on the inside. The devices may also be a kind of filter positioned between chambers inside the vane.

Description

technical field [0001] The invention relates to a blade for a wind turbine, the blade being composed of at least two blade parts, the blade comprising a cavity. Background technique [0002] Blades are often constructed of two or more blade sections, shells or blade halves of reinforced fibre sheets bonded to each other or to one or more internal support posts. One or more cavities are thus formed in such blades. When gluing these blade parts to each other, enough glue or filler is used to ensure that the glue seam is filled. Any excess glue that builds up around the glue seam or falls into the mould will be scraped off and moved as far as possible; but inevitably, a considerable amount of glue will inevitably remain on the blade , especially the glue seam that remains on the outermost and narrowest part of the blade. As the blade is used, the blade bends and deforms dynamically, so the glue at the glue seam will fall off as a lump and fall into the blade. In theory, it ...

Claims

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Application Information

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IPC IPC(8): F03D1/06F03D11/00B64C27/473F01D5/18
CPCF03D11/0016F05B2260/63Y02E10/721Y02E10/722F03D80/55Y02E10/72
Inventor M·莫尔岑K·L·马森R·范登贝尔赫
Owner LM GLASSFIBER
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