Electric heater for thermal energy storage
US-2024393013-A1 · Nov 28, 2024 · US
Bi-directional porous media phase change heat exchanger
US10739089B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10739089-B2 |
| Application number | US-201414227083-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 27, 2014 |
| Priority date | Mar 27, 2014 |
| Publication date | Aug 11, 2020 |
| Grant date | Aug 11, 2020 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
Heat exchange structure. A hydrophilic, thermally conductive porous medium includes nanostructures formed substantially uniformly throughout the porous medium providing a balance of capillary and viscous forces to self-regulate a liquid-vapor contact line. A suitable porous medium is copper. A method for making the structure is also disclosed.
First claim
Opening claim text (preview).
What is claimed is: 1. A heat exchange structure comprising: a hydrophobic nonporous region adjacent to a hydrophilic porous media evaporator, the hydrophilic porous media evaporator being a thermally conductive porous medium including nanostructures, the nanostructures both in central portions of the porous medium as well as on surfaces of the porous medium configured to provide a balance of capillary and viscous forces to self-regulate a liquid-vapor contact line such that active throttling is not required and the porous medium remains hydrophilic in the presence of organic contaminates, and a hydrophobic cap layer directly over the thermally conductive porous medium. 2. The structure of claim 1 wherein the porous medium is copper. 3. The structure of claim 1 wherein the hydrophobic cap layer includes butadiene-styrene, silicone or teflon. 4. The structure of claim 1 disposed on the surface of a finned tube. 5. The structure of claim 1 disposed on the surface of a flat plate.
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Classifications
Thermal energy storage · CPC title
with nanostructures · CPC title
especially adapted for evaporator or condenser surfaces (F28F13/187 takes precedence) · CPC title
- F28D20/02Primary
using latent heat · CPC title
with plate-like or laminated conduits {(stacked plates having one or more openings therein to form tubular heat-exchange passages F28F3/086)} · CPC title
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Frequently asked questions
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- What does patent US10739089B2 cover?
- Heat exchange structure. A hydrophilic, thermally conductive porous medium includes nanostructures formed substantially uniformly throughout the porous medium providing a balance of capillary and viscous forces to self-regulate a liquid-vapor contact line. A suitable porous medium is copper. A method for making the structure is also disclosed.
- Who is the assignee on this patent?
- Massachusetts Inst Technology
- What technology area does this patent fall under?
- Primary CPC classification F28D20/02. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 11 2020 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).