[특허]Textile ducts

Wellman Defence Limited

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특허 상세정보

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Textile ducts

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F24F-007/04 F24F-013/02 F16L-011/02 F16L-011/00
미국특허분류(USC)	454/306; 454/296; 454/903; 138/113; 138/114
출원번호	US-0023510 (2004-12-29)
등록번호	US-7442121 (2008-10-28)
발명자 / 주소	Cassidy,Stephen Hunt,Brian Thomsen,Niels
출원인 / 주소	Wellman Defence Limited
대리인 / 주소	Bacon & Thomas PLLC
인용정보	피인용 횟수 : 5 인용 특허 : 11

초록

A textile duct for an air circulation system, the duct having an inner gas-permeable layer and an outer gas-impervious layer, and one or more spaces therebetween. An air circulation system having one or more ducts and one or more air treatment units and/or air handling units. The ducts are formed from laminates suitable for forming a duct for an air circulation system, the laminate has an inner gas-permeable layer and an outer gas-impervious layer, and one or more spaces therebetween.

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The invention claimed is: 1. An inflatable textile duct suitable for use in an air circulation system to transport a fluid whilst preventing condensation forming thereon, the duct comprising an inner gas-permeable layer and an outer gas-impervious layer formed from a material comprising a textile material, and spacing means located between the inner and outer layers so as to provide one or more inflatable unfilled spaces between the gas-permeable and gas-impervious layers, which unfilled spaces is/are capable of transporting a fluid in use, wherein the inner gas-permeable layer is provided with a porous weave which allows a fluid to pass through the inner gas-permeable layer. 2. A textile duct as claimed in claim 1, comprising along the length of the duct an inner gas-permeable layer and an outer gas-impervious layer. 3. A textile duct as claimed in claim 1, wherein the gas-permeable layer is a two-way gas permeable layer, allowing gas to pass in both directions through the gas-permeable layer. 4. A textile duct as claimed in claim 1, wherein the spacing means is/are formed from a material comprising a textile material. 5. A textile duct as claimed in claim 4, wherein the spacing means is/are selected from one or more of strips, tabs, meshes, webs, fibrous material and/or foams. 6. A textile duct as claimed in claim 4, wherein the spacing means is/are provided in sealing contact with one or more respective surfaces of the inner gas-permeable layer and/or the outer gas-impervious layer. 7. A textile duct as claimed in claim 1, wherein the inner gas-permeable layer and/or the outer gas-impervious layer is/are formed from a woven material. 8. A textile duct as claimed in claim 1, wherein the outer gas-impervious layer is formed from a material comprising an aramid and/or a polyester. 9. A textile duct as claimed in claim 8, wherein the material has a substantially non-porous weave. 10. A textile duct as claimed in claim 8, wherein the aramid is a meta-aramid fiber which is thermally protective and flame-retardant. 11. A textile duct as claimed in claim 1, wherein the inner gas-permeable layer is formed from a material comprising an aramid and/or a polyester. 12. A textile duct as claimed in claim 11, wherein the material has a porous weave. 13. A textile duct as claimed in claim 11, wherein the aramid is a meta-aramid fiber which is thermally protective and flame-retardant. 14. A textile duct as claimed in claim 1, and further comprising a fire-retardant. 15. A textile duct as claimed in claim 14, wherein the fire-retardant is associated with a material forming the inner gas-permeable layer and/or the outer gas-impervious layer, and/or the one or more spaces between the inner layer and outer layers. 16. A textile duct as claimed in claim 1, wherein the depth of spacing between the inner gas-permeable layer and the outer gas-impervious layer is provided by a predetermined relationship. 17. A textile duct as claimed in claim 16, wherein the depth of spacing between the inner gas-permeable layer and the outer gas-impervious layer of the duct depends upon one or more of the following factors: a proposed temperature differential between treated air and air surrounding the duct; a material of the inner gas-permeable layer; the permeability and/or density of said material; and the proposed flow rate of treated air within the duct. 18. A textile duct as claimed in claim 1, wherein the duct has a substantially circular, D-shaped or quadrant cross-section. 19. A textile duct as claimed in claim 1, and further comprising fastening means, for fastening together two or more ducts. 20. A textile duct as claimed in claim 1, comprising fastening means comprising one or more zips, for fastening together two or more ducts. 21. A textile duct as claimed in claim 1 further comprising one or more additional gas-permeable layers interposed between the inner and outer layers. 22. An air circulation system comprising one or more ducts as defined in claim 1. 23. An air circulation system as claimed in claim 22 comprising one or more air treatment units and/or air handling units, wherein said one or more ducts provide(s) passages by which treated air can pass from the treatment and/or handling unit(s) to a point of dispensation. 24. An air circulation system as claimed in claim 23 further comprising one or more air dispensation devices, wherein said one or more ducts provide(s) treated air to said one or more dispensation devices. 25. An air circulation system as claimed in claim 22, wherein, in use, the temperature of the treated air is below the temperature of air surrounding said one or more ducts. 26. An air circulation system as claimed in claim 22, wherein, in use, the temperature of the treated air is from 5�� C. to 18�� C. 27. An air circulation system as claimed in claim 22, wherein, in use, the temperature of the treated air is from 9�� C. to 13�� C. 28. An air circulation system as claimed in claim 22, wherein, in use, the air is treated by the air treatment and/or handling units to remove dust, particulates, moisture, and/or nuclear and/or biological and/or chemical agents. 29. An air circulation system as claimed in claim 22, wherein the air circulation system is provided on a marine vessel. 30. An air circulation system as claimed in claim 22, wherein the air circulation system is provided in a building. 31. An air circulation system as claimed in claim 22, wherein the air circulation system is provided in a vehicle. 32. A textile duct as claimed in claim 1, wherein the inner gas-permeable layer and the outer gas-impervious layer are formed from a material comprising a flexible material. 33. A flexible duct as claimed in claim 32, wherein the spacing means is/are formed from a material comprising a flexible material. 34. A textile duct as claimed in claim 1, wherein the inner gas-permeable layer and the outer gas-impervious layer are formed from one or more materials comprising a fire-resistant material or a fire-retardant material. 35. A duct as claimed in claim 34, wherein the spacing means is/are formed from one or more materials comprising a fire-resistant material or a fire-retardant material. 36. A textile duct as claimed in claim 1 further comprising a plurality of apertures in the inner gas-permeable layer to make the inner layer more permeable. 37. An inflatable textile laminate suitable for forming a textile duct, the textile laminate comprising an inner gas-permeable layer and an outer gas-impervious layer formed from a material comprising a textile material, and spacing means located between the inner and outer layers so as to provide one or more inflatable unfilled spaces between the gas-permeable and the gas-impervious layer, which spaces is/are capable of transporting a fluid in use, the inner gas-permeable layer is provided with a porous weave which allows a fluid to pass through the inner gas-permeable layer, wherein the laminate is formable in to a duct for transporting a fluid, whilst preventing condensation forming thereon. 38. A textile laminate as claimed in claim 37, wherein the laminate is formable in to a duct by sealing together a longitudinal edge of the textile laminate.

이 특허에 인용된 특허 (11)

이 특허를 인용한 특허 피인용횟수: 5

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Textile ducts

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Textile ducts

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이 특허에 인용된 특허 (11)

이 특허를 인용한 특허 피인용횟수: 5

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