Device for absorbing heat
View Patent ↗A device for absorbing heat generated by curing of a curable matrix material, particularly heat generated by curing of a curable matrix material embedding a textile structure including a number of reinforcing fibers is provided. The device includes at least one envelope element defining at least one inner volume, and at least one thermally conductive heat absorbing element disposed within the at least one inner volume of the at least one envelope element. In a further embodiment, the at least one envelope element may be built of or include at least one non-adhering material which does not adhere to the curable or cured matrix material.
1. A device for absorbing heat generated by curing of a curable matrix material, wherein the device comprises:
at least one envelope element fully defining at least one inner volume inside the at least one envelope element, and
at least two thermally conductive heat absorbing elements stacked one atop another and disposed within the at least one inner volume of the at least one envelope element,
wherein the at least one envelope element is built of or comprises a non-adhering material which does not adhere to the curable matrix material or to cured matrix material, wherein the at least two thermally conductive heat absorbing elements are at least partially covered with a respective non-adhering material, and wherein the at least one envelope element is free to move relative to the at least two thermally conductive heat absorbing elements.
2. The device according to claim 1 , wherein the non-adhering material of the at least one envelope element is built of or comprises at least one fluoro-polymer, and/or at least one polyolefinic material.
3. The device according to claim 1 , wherein the at least one envelope element is built of or comprises at least one flexible material.
4. The device according to claim 1 , wherein the at least one envelope element is built of at least one foil.
5. The device according to claim 1 , whereby a first heat absorbing element comprises a higher thermal conductivity compared with a second heat absorbing element.
6. The device according to claim 1 , whereby a first heat absorbing element comprises different spatial dimensions compared with a second heat absorbing element.
7. The device according to claim 1 , wherein at least one first heat absorbing element is displaced relative to at least one second heat absorbing element in longitudinal direction of the device and/or the at least one first heat absorbing element is displaced relative to the at least one second heat absorbing element in transversal direction of the device.
8. The device according to claim 1 , wherein the at least two thermally conductive heat absorbing elements are built of or comprise at least one fibre material.
9. The device according to claim 1 , wherein the at least two thermally conductive heat absorbing elements are built of or comprise at least one metal.
10. An apparatus for manufacturing a composite part, the composite part comprising a curable or cured matrix material embedding at least one textile structure comprising a number of reinforcing fibres, wherein the apparatus comprises:
at least one mould, comprising a vacuum bag and a shaping mould cavity configured to shape the at least one textile structure comprising the number of reinforcing fibres and at least one curable matrix material embedding the at least one textile structure, and
at least one device disposed within the shaping mould cavity between the composite part and the at least one mould, wherein the at least one device comprises at least one envelope element fully defining at least one inner volume inside the at least one envelope element, and at least two thermally conductive heat absorbing elements stacked one atop another and disposed within the at least one inner volume of the at least one envelope element,
wherein the at least one envelope element is built of or comprises a non-adhering material which does not adhere to the curable matrix material or to cured matrix material, wherein the at least two thermally conductive heat absorbing elements are at least partially covered with a respective non-adhering material, and wherein the at least one envelope element is free to move relative to the at least two thermally conductive heat absorbing elements.
11. The device of claim 1 , the curable matrix material embedding a textile structure comprising a number of reinforcing fibres.
12. The device of claim 2 , wherein the at least one fluoro-polymer comprises polytetrafluoroethylene.
13. The device of claim 2 , wherein the at least one polyolefinic material comprises polyethylene and/or polypropylene.
14. The device of claim 8 , wherein the at least one fibre material comprises aramid fibres and/or carbon fibres and/or glass fibres.
15. The device of claim 9 , wherein the at least one metal comprises aluminium or copper.
16. The apparatus of claim 10 , wherein the at least one mould is configured for manufacturing a rotor blade for a wind turbine.
17. The device according to claim 1 , wherein the at least two thermally conductive heat absorbing elements are free to move relative to each other.
18. The apparatus of claim 10 , wherein the at least one device is disposed directly on the composite part.