IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0254875
(2010-03-08)
|
등록번호 |
US-8728605
(2014-05-20)
|
우선권정보 |
GB-0903963.7 (2009-03-06) |
국제출원번호 |
PCT/GB2010/000407
(2010-03-08)
|
§371/§102 date |
20111103
(20111103)
|
국제공개번호 |
WO2010/100440
(2010-09-10)
|
발명자
/ 주소 |
- Payne, John
- Squires, Leslie James
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
0 |
초록
▼
A water vapor permeable multi-layer thermal insulation (10) includes two water vapor permeable outer layers (16, 18) encapsulating inner air and water vapor permeable layers (14) of insulation material and at least one inner separating layer (12) of an air-open fibrous material interleaved with the
A water vapor permeable multi-layer thermal insulation (10) includes two water vapor permeable outer layers (16, 18) encapsulating inner air and water vapor permeable layers (14) of insulation material and at least one inner separating layer (12) of an air-open fibrous material interleaved with the inner thermal insulation layers (14) and having a mean flow pore size that allows water vapor to move from one side of the at least one inner fibrous separating layer to the other and through the inner insulation layers yet restricts mass movement of air from one side to the other of the at least one inner fibrous separating layer (12) to form a barrier to convection.
대표청구항
▼
1. A water vapor permeable multi-layer thermal insulation including two water vapor permeable outer layers encapsulating inner air and water vapor permeable layers of insulation material and at least one inner separating layer of an air-open fibrous material interleaved with the inner insulation lay
1. A water vapor permeable multi-layer thermal insulation including two water vapor permeable outer layers encapsulating inner air and water vapor permeable layers of insulation material and at least one inner separating layer of an air-open fibrous material interleaved with the inner insulation layers and having a mean flow pore size that allows water vapor to move from one side of the at least one inner fibrous separating layer to the other and through the inner insulation layers yet restricts mass movement of air from one side to the other of the at least one inner fibrous separating layer to form a barrier to convection, the multi-layer thermal insulation having a moisture vapor transmission rate (MTVR) of at least 1,200 g/m2·day and a thermal resistance (R) of at least 1.40 m2·K/W. 2. Multi-layer thermal insulation as claimed in claim 1, wherein the at least one inner fibrous separating layer has a mean flow pore size in the range of 1 to 20 μm to allow water vapor to move from one side of the or each inner fibrous separating layer to the other yet restrict mass movement of air from one side to the other of the at least one inner fibrous separating layer to form a barrier to convection. 3. Multi-layer thermal insulation as claimed in claim 2, wherein the mean flow pore size is 1 to 5 μm. 4. Multi-layer thermal insulation as claimed in claim 1, wherein the or each inner fibrous separating layer has a surface with an emissivity value in the range of from 0.05 to 0.5 that is provided on one or both sides thereof. 5. Multi-layer thermal insulation as claimed in claim 4, wherein the or each surface is provided by a reflective metallized coating that coats the fibers of the or each inner layer without blocking the pores between the fibers. 6. Multi-layer thermal insulation as claimed in claim 1, wherein the fibrous material of the or each inner fibrous separating layer is a woven or non-woven fabric. 7. Multi-layer thermal insulation as claimed in claim 6, wherein the fibrous material comprises a non-woven fabric selected from one or more of a spunbond, meltblown or wet-laid fabric. 8. Multi-layer thermal insulation as claimed in claim 1, wherein the inner insulation layers are of a fibrous material of low thermal conductivity and in the form of a wadding having fibers that range in diameter from 0.5 to 20 μm and having a density in the range 15 to 33 kg/m3. 9. Multi-layer thermal insulation as claimed in claim 8, and being of 50 mm thickness or less. 10. Multi-layer thermal insulation as claimed in claim 1, wherein the or each of the water vapor permeable outer layers has a surface with an emissivity value in the range of from 0.05 to 0.5 that is provided on one or both sides of the or each water vapor permeable outer layer. 11. Multi-layer thermal insulation as claimed in claim 10, wherein the surface is provided by a reflective substance. 12. Multi-layer thermal insulation as claimed in claim 1, wherein the or each of the water vapor permeable outer layers is air permeable. 13. Multi-layer thermal insulation as claimed in claim 1, wherein the or each of the water vapor permeable outer layers is air impermeable. 14. Multi-layer thermal insulation as claimed in claim 1, wherein the or each of the water vapor permeable outer layers is air and liquid water impermeable. 15. Multi-layer thermal insulation as claimed in claim 1, wherein the or each of the water vapor permeable outer layers are air permeable and are selected from spunbond fabrics, meltblown fabrics, or combinations of spunbond and meltblown fabrics, including spunbond-meltblown fabrics, spunbond-meltblown-spunbond fabrics, and spunbond-meltblown-meltblown-spunbond fabrics. 16. Multi-layer thermal insulation as claimed in claim 1, wherein the or each of the water vapor permeable outer layers are selected from micro-perforated films, microperforated foils, microporous polypropylene (PP), microporus polyurethane, microporus polyester, microporus polyethylene, and cellulosic films and laminates thereof. 17. Multi-layer thermal insulation as claimed in claim 1, wherein one of the water vapor permeable outer layers is a microporous film sandwiched between two air-open non-woven fabric layers and the other of the water vapor permeable outer layers is a reflective cellulosic film laminated to an air-open non-woven fabric layer. 18. Multi-layer thermal insulation as claimed in claim 1, and having an MVTR in the range of 1,200 to 2,500 g/m2·day. 19. Multi-layer thermal insulation as claimed in claim 1, and having an R value in the range of 1.40 to 2.00 m2·K/W. 20. Multi-layer thermal insulation as claimed in claim 2, wherein the mean flow pore size is 2 to 10 μm. 21. Multi-layer thermal insulation as claimed in claim 2 wherein the mean flow pore size is 5 to 10 μm. 22. A water vapor permeable multi-layer thermal insulation including two water vapor permeable outer layers encapsulating air and water vapor permeable inner layers of insulation material and at least one inner separating layer of an air-open fibrous material interleaved with the inner insulation layers and having a mean flow pore size in the range of 1 to 20 μm that allows water vapor to move from one side of the at least one inner fibrous separating layer to the other and through the inner insulation layers, yet restricts mass movement of air from one side to the other of the at least one inner fibrous separating layer to form a barrier to convection, the multi-layer thermal insulation having a moisture vapor transmission rate (MTVR) of at least 1,200 g/m2·day and thermal resistance (R) of at least 1.40 m2·K/W. 23. A water vapor permeable multi-layer thermal insulation including two water vapor permeable outer layers encapsulating air and water vapor permeable inner layers of insulation material and at least one inner separating layer of an air-open fibrous material interleaved with the inner insulation layers and having a mean flow pore size in the range of 1 to 20 μm that allows water vapor to move from one side of the at least one inner fibrous separating layer to the other and through the inner insulation layers, yet restricts mass movement of air from one side to the other of the at least one inner fibrous separating layer to form a barrier to convection, the or each inner fibrous separating layer having a surface with an emissivity value in the range of from 0.05 to 0.5 that is provided on one or both sides thereof by a reflective metallized coating that coats the fibers of the or each inner fibrous separating layer without blocking the pores between the fibers and the multi-layer thermal insulation having a moisture vapor transmission rate (MTVR) of at least 1,200 g/m2·day and thermal resistance (R) of at least 1.40 m2·K/W.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.