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Container comprising fibrous material for fibre-reinforced composite component

A technology of fiber-reinforced composites and fiber materials, which is applied in the field of fiber materials and can solve problems such as adverse effects of turnaround time

Pending Publication Date: 2022-04-15
BLADE DYNAMICS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can have an adverse effect on turnaround time

Method used

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  • Container comprising fibrous material for fibre-reinforced composite component
  • Container comprising fibrous material for fibre-reinforced composite component
  • Container comprising fibrous material for fibre-reinforced composite component

Examples

Experimental program
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Embodiment Construction

[0046] figure 1 A conventional modern upwind wind turbine 2 according to the so-called "Danish Concept" is illustrated with a tower 4, a nacelle 6 and a rotor with a substantially horizontal rotor shaft. The rotor includes a hub 8 and three blades 10 extending radially from the hub 8 , each blade having a root end 16 closest to the hub and a blade tip 14 furthest from the hub 8 .

[0047] figure 2 A schematic diagram of an exemplary wind turbine blade 10 is shown. The wind turbine blade 10 has the shape of a conventional wind turbine blade having a root end and a tip end and includes a root region 30 closest to the hub, a profiled or airfoil region 34 farthest from the hub 8, and a root region 34 located at the root Transition region 32 between region 30 and airfoil region 34 . The blade 10 includes a leading edge 18 facing in the direction of rotation of the blade 10 and a trailing edge 20 facing in the opposite direction of the leading edge 18 when the blade is mounted o...

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Abstract

The present application relates to a container having a cavity wherein the cavity has a cavity pressure and comprises a fibrous material suitable for manufacturing one or more fiber-reinforced composite components for a wind turbine blade, and at least part of the fibrous material contacts a first portion of a wall of the container, at least the first portion of the wall being composed of a flexible airtight material, and the ratio of the total volume of uncured polymer in the cavity to the total volume of fibrous material in the cavity is less than 0.3, and the container is adapted to prevent the flow of polymer into the cavity. A method for preparing such a container is also disclosed. A method for laying a fibrous material into a mold is also disclosed.

Description

technical field [0001] The present invention relates to laying up and moving fibrous materials, such as glass fibre and carbon fibre materials, for example for use in the manufacture of wind turbine blades. Background technique [0002] Manufacturing the shells of wind turbine blades from fiber-reinforced composite materials is time-consuming, regardless of whether the manufacturing step involves dry fibers, which are then infused with polymer or pre-impregnated fiber materials. In the case of dry fibers, the lay-up process is performed on the mold in such a way as to achieve the desired shape including the desired cross-sectional properties along the longitudinal axis of the blade. In some cases, the blade may include a "main laminate" or spar cap (a locally thicker structure that adds bearing strength to the blade). Some areas of the blade may include combinations of different fiber types, such as very specific layered structures including eg glass fiber mats and / or carbo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/34B29C70/54B29C33/00B29L31/08
CPCB29C70/443B29C31/002B29C31/008B29C31/085B29D99/0028F03D1/0675Y02E10/72Y02P70/50B29C70/342B29C70/54B29K2307/04B29K2309/08B29L2031/085
Inventor P·托德
Owner BLADE DYNAMICS LTD
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