Porous Layer
First Claim
Patent Images
1. A heat exchange device comprising:
- a solid substrate;
a boiling surface comprising a porous surface layer arranged on the solid substrate, the porous surface layer comprising a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and that have a diameter greater than 5 μ
m and less than 1000 μ
m,wherein the diameter of the pores gradually increases with distance from the substrate,and wherein the porous wall structure is a continuous branched structure.
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Abstract
Heat exchange device with a boiling surface comprising porous surface layer arranged on a solid substrate, the porous surface layer comprises a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and have a diameter greater than 5 μm and less than 1000 μm wherein the diameter of the pores gradually increases with distance from the substrate wherein the porous wall structure is a continuous branched structure.
35 Citations
20 Claims
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1. A heat exchange device comprising:
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a solid substrate; a boiling surface comprising a porous surface layer arranged on the solid substrate, the porous surface layer comprising a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and that have a diameter greater than 5 μ
m and less than 1000 μ
m,wherein the diameter of the pores gradually increases with distance from the substrate, and wherein the porous wall structure is a continuous branched structure. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A porous surface layer for a substrate of a heat exchange device, comprising:
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a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and that have a diameter greater than 5 μ
m and less than 1000 μ
m,wherein the diameter of the pores gradually increases with distance from the substrate, and wherein the porous wall structure is a continuous branched structure. - View Dependent Claims (8, 9)
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10. A method for forming a surface layer on a substrate, comprising the steps of:
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providing a substrate having a surface; depositing a surface layer on the surface of the substrate, the surface layer comprising a porous wall structure defining and separating macro-pores that are interconnected in the general direction normal to the surface of the substrate and that have a diameter greater than 5 μ
m and less than 1000 μ
m, wherein the diameter of the pores gradually increases with distance from the substrate, and wherein the porous wall structure comprises dendritically ordered nanoparticle; andmodifying the porous wall structure to a continuous branched structure. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification