IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0272145
(2005-11-14)
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등록번호 |
US-7422053
(2008-09-09)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Convergence Technologies (USA), LLC
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대리인 / 주소 |
Edell, Shapiro & Finnan, LLC
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인용정보 |
피인용 횟수 :
6 인용 특허 :
21 |
초록
▼
A heat transfer device includes a base chamber, a fin chamber, and at least one fin. The chambers can be thermally coupled. The heat transfer device also includes a wick structure. The wick structure can include a multi-wick structure. The multi-wick structure can include a three-dimensional wick st
A heat transfer device includes a base chamber, a fin chamber, and at least one fin. The chambers can be thermally coupled. The heat transfer device also includes a wick structure. The wick structure can include a multi-wick structure. The multi-wick structure can include a three-dimensional wick structure and/or a spatially varying wick structure.
대표청구항
▼
What is claimed is: 1. A heat transfer device, comprising: at least one chamber containing a condensable fluid, the chamber including: an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, and a condensation region comprising condensation surfaces con
What is claimed is: 1. A heat transfer device, comprising: at least one chamber containing a condensable fluid, the chamber including: an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, and a condensation region comprising condensation surfaces configured to permit the vaporized condensable fluid to collect as condensate, wherein the at least one chamber is configured to cause the condensate to flow through increasingly less area in the vicinity of the evaporation region, giving rise to a converging flow condition as the condensate approaches the evaporation region; and a multi-wick structure comprising a plurality of hydraulically interconnected wick structures extending from the evaporation region into the condensation region for facilitating flow of the condensate toward the evaporation region, wherein a wicking power of the multi-wick structure increases with decreasing flow distance to the evaporation region to facilitate an increased flow rate of the condensate as the condensate approaches the evaporation region. 2. The heat transfer device of claim 1, wherein the multi-wick structure includes at least one of: a mesh, a groove formed on a surface of the at least one chamber, a powder wick, and a foam wick. 3. The heat transfer device of claim 1, wherein the multi-wick structure has a spatially varying wick structure that varies in accordance with the condensate's spatial flow requirements as the condensate travels toward the evaporation region. 4. The heat transfer device of claim 3, wherein the multi-wick structure includes at least one of: a mesh, a groove formed on a surface of the at least one chamber, a powder wick, and a foam wick. 5. A heat transfer device, comprising: at least one chamber containing a condensable fluid, the chamber including: an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, and a condensation region comprising condensation surfaces configured to permit the vaporized condensable fluid to collect as condensate; and a multi-wick structure comprising a plurality of hydraulically interconnected wick structures extending from the evaporation region into the condensation region for facilitating flow of the condensate toward the evaporation region, wherein a wicking power of the multi-wick structure increases with decreasing flow distance to the evaporation region to facilitate an increased flow rate of the condensate as the condensate approaches the evaporation region, wherein the multi-wick structure has a spatially varying wick structure that varies in accordance with the condensate's spatial flow requirements as the condensate travels toward the evaporation region, and the spatially varying wick structure includes a spatially varying quantity of wicking structure. 6. A heat transfer device, comprising: at least one chamber containing a condensable fluid, the chamber including: an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, and a condensation region comprising condensation surfaces configured to permit the vaporized condensable fluid to collect as condensate; and a multi-wick structure comprising a plurality of hydraulically interconnected wick structures extending from the evaporation region into the condensation region for facilitating flow of the condensate toward the evaporation region, wherein a wicking power of the multi-wick structure increases with decreasing flow distance to the evaporation region to facilitate an increased flow rate of the condensate as the condensate approaches the evaporation region, wherein the multi-wick structure includes at least one wick structure bridge interconnecting portions of the multi-wick structure to facilitate flow of the condensate between the portions of the multi-wick structure. 7. The heat transfer device of claim 6, wherein the wick structure bridge comprises an internal support structure for the at least one chamber. 8. The heat transfer device of claim 1, wherein the multi-wick structure includes a wick structure with decreasing porosity with decreasing flow distance to the evaporation region. 9. The heat transfer device of claim 1, further comprising at least one fin in thermal contact with the at least one chamber. 10. The heat transfer device of claim 9, wherein the at least one fin includes at least one opening through which air can flow. 11. A heat transfer device, comprising: at least one chamber containing a condensable fluid, the chamber including an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, the vaporized condensable fluid collecting as condensate on surfaces within the at least one chamber; at least one fin in thermal contact with the at least one chamber, wherein the at least one chamber includes a base chamber and a fin chamber, wherein the at least one fin is coupled to the fin chamber; and a multi-wick structure comprising a plurality of hydraulically interconnected wick structures disposed within the at least one chamber for facilitating flow of the condensate toward the evaporation region. 12. The heat transfer device of claim 11, wherein the at least one fin is further coupled to the base chamber. 13. The heat transfer device of claim 12, wherein the at least one fin includes at least one opening through which air can flow. 14. A heat transfer device, comprising: at least one chamber containing a condensable fluid, the chamber including an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, the vaporized condensable fluid collecting as condensate on surfaces within the at least one chamber, wherein the at least one chamber has a substantially inverted T-shaped configuration; and a multi-wick structure comprising a plurality of hydraulically interconnected wick structures disposed within the at least one chamber for facilitating flow of the condensate toward the evaporation region. 15. The heat transfer device of claim 1, wherein the at least one chamber has a substantially double inverted T-shaped configuration. 16. The heat transfer device of claim 1, wherein the at least one chamber has a substantially U-shaped configuration. 17. The heat transfer device of claim 1, wherein the at least one chamber has a substantially W-shaped configuration. 18. The heat transfer device of claim 1, wherein the at least one chamber includes an internal support structure to prevent collapse of the least one chamber. 19. A method of manufacturing a heat transfer device, comprising: forming at least one chamber containing a condensable fluid, the chamber including: an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, and a condensation region comprising condensation surfaces configured to permit the vaporized condensable fluid to collect as condensate, wherein the at least one chamber is configured to cause the condensate to flow through increasingly less area in the vicinity of the evaporation region, giving rise to a converging flow condition as the condensate approaches the evaporation region; and forming a multi-wick structure comprising a plurality of hydraulically interconnected wick structures extending from the evaporation region into the condensation region for facilitating flow of the condensate toward the evaporation region, wherein the multi-wick structure is formed such that a wicking power of the multi-wick structure increases with decreasing flow distance to the evaporation region to facilitate an increased flow rate of the condensate as the condensate approaches the evaporation region. 20. The method of claim 19, wherein the multi-wick structure is formed to have a spatially varying wick structure that varies in accordance with the condensate's spatial flow requirements as the condensate travels toward the evaporation region. 21. A method of manufacturing a heat transfer device, comprising: forming at least one chamber containing a condensable fluid, the chamber including: an evaporation region configured to be coupled to a heat source for vaporizing the condensable fluid, and a condensation region comprising condensation surfaces configured to permit the vaporized condensable fluid to collect as condensate; and forming a multi-wick structure comprising a plurality of hydraulically interconnected wick structures extending from the evaporation region into the condensation region for facilitating flow of the condensate toward the evaporation region, wherein the multi-wick structure is formed such that a wicking power of the multi-wick structure increases with decreasing flow distance to the evaporation region to facilitate an increased flow rate of the condensate as the condensate approaches the evaporation region, wherein the multi-wick structure is formed to include at least one wick structure bridge interconnecting portions of the multi-wick structure to facilitate flow of the condensate between the portions of the multi-wick structure. 22. The heat transfer device of claim 3, wherein at least a portion of the multi-wick structure comprises a mesh disposed on a groove structure. 23. The heat transfer device of claim 3, wherein at least a portion of the multi-wick structure comprises a foam wick disposed on a groove structure. 24. The heat transfer device of claim 5, wherein the spatially varying quantity of wicking structure comprises increased layering of mesh at the evaporation region. 25. The heat transfer device of claim 5, wherein the spatially varying quantity of wicking structure comprises an increased amount of sintered powder at the evaporation region.
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