Two-phase immersion-type heat dissipation structure having non-vertical fins

Patent metadata

Field	Value
Publication number	US-12092406-B2
Application number	US-202217978944-A
Country	US
Kind code	B2
Filing date	Nov 1, 2022
Priority date	Nov 1, 2022
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

A two-phase immersion-type heat dissipation structure is provided. The two-phase immersion-type heat dissipation structure includes a heat dissipation substrate and a plurality of non-vertical fins. The heat dissipation substrate has a fin surface and a non-fin surface that face away from each other. The non-fin surface is configured to be in contact with a heating element immersed in a two-phase coolant. The fin surface is connected with the non-vertical fins, a cross-sectional contour of one of the non-vertical fins has a top end point and a bottom end point connected with the fin surface, and the top and bottom end points are opposite to each other. A length of a cross-sectional contour line defined from the top end point to the bottom end point is greater than a perpendicular line length of a perpendicular line defined from the top end point to the fin surface.

First claim

What is claimed is:

1. A two-phase immersion-type heat dissipation structure, comprising:
a heat dissipation substrate having a fin surface and a non-fin surface that face away from each other, wherein the non-fin surface is configured to be in contact with a heating element immersed in a two-phase coolant; and
a plurality of non-vertical fins, wherein the fin surface is connected with the plurality of non-vertical fins, a cross-sectional contour of one of the non-vertical fins has a top end point and a bottom end point that is connected with the fin surface, and the top end point and the bottom end point are opposite to each other;
wherein a length of a cross-sectional contour line defined from the top end point to the bottom end point is greater than a perpendicular line length of a perpendicular line defined from the top end point to the fin surface.

2. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the plurality of non-vertical fins are made of copper, copper alloy, or aluminum alloy.

3. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the plurality of non-vertical fins are pin-fins or plate-fins.

4. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the cross-sectional contour of one of the plurality of non-vertical fins is arc-shaped.

5. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the cross-sectional contour of each of the plurality of non-vertical fins is arc-shaped, and concaved in a same direction.

6. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the plurality of non-vertical fins are arc-shaped fins formed by a process of applying pressure onto vertical fins.

7. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the cross-sectional contour of one of the plurality of non-vertical fins has a bent shape.

8. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the cross-sectional contour of each of the plurality of non-vertical fins has a bent shape, and is concaved in a same direction.

9. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the plurality of non-vertical fins are bent-shaped fins formed by a process of applying pressure onto vertical fins.

10. The two-phase immersion-type heat dissipation structure according to claim 1 , wherein the plurality of non-vertical fins are bent-shaped fins formed by multiple bending processes, and linear sections of each of the plurality of non-vertical fins extend along an inclined upward direction.

Assignees

• Amulaire Thermal Tech Inc

Inventors

• Yang Ching-Ming
• Wu Chun-Te
• Yeh Tze-Yang

Classifications

• H10W40/73 Primary

  for cooling by change of state · CPC title

• F28F3/025

  the means being corrugated, plate-like elements · CPC title

• F28F3/027

  with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips · CPC title

• F28D15/02

  in which the medium condenses and evaporates, e.g. heat pipes {(heat pipes used in solar heat collectors F24S10/95; in radiators F28D1/0226; in nuclear reactors G21C15/257)} · CPC title

• F28F2215/04

  Assemblies of fins having different features, e.g. with different fin densities · CPC title