WO2015094125A1 - High performance heat exchanger with inclined pin fin aragnement means and a method of producing the same - Google Patents

High performance heat exchanger with inclined pin fin aragnement means and a method of producing the same Download PDF

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Publication number
WO2015094125A1
WO2015094125A1 PCT/SI2013/000081 SI2013000081W WO2015094125A1 WO 2015094125 A1 WO2015094125 A1 WO 2015094125A1 SI 2013000081 W SI2013000081 W SI 2013000081W WO 2015094125 A1 WO2015094125 A1 WO 2015094125A1
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WO
WIPO (PCT)
Prior art keywords
pin fin
cooling system
arrangement means
inclined pin
fin
Prior art date
Application number
PCT/SI2013/000081
Other languages
French (fr)
Inventor
Peter SERVER
Original Assignee
Sieva, Podjetje Za Razvoj In Trženje V Avtomobilski Industriji, D.O.O.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sieva, Podjetje Za Razvoj In Trženje V Avtomobilski Industriji, D.O.O. filed Critical Sieva, Podjetje Za Razvoj In Trženje V Avtomobilski Industriji, D.O.O.
Priority to PCT/SI2013/000081 priority Critical patent/WO2015094125A1/en
Publication of WO2015094125A1 publication Critical patent/WO2015094125A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
    • H01L23/367—Cooling facilitated by shape of device
    • H01L23/3677—Wire-like or pin-like cooling fins or heat sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/022—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being wires or pins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
    • H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4814—Conductive parts
    • H01L21/4871—Bases, plates or heatsinks
    • H01L21/4882—Assembly of heatsink parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/467—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing gases, e.g. air
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
    • F28D2021/0029—Heat sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Abstract

The Advanced High Performance Heat Exchanger with inclined pin fin (2) arrangement means is characterized in that each individual pin fin (2) comprise a central aperture (2-CA) with at least two adherent junctions with first surface (1-FS), wherein each individual pin fin (2) further comprise the coolant fluid flow collector (2-FC), which guide and forces the main stream of the coolant fluid flow toward to the first surface (1-FS) of the heat sinks base plate (1). The invention is based on the insight that stream of a coolant fluid flow is selectively guided to the local heat sources by means of inclined pin fins (2) via principle of de-routing and redirecting the stream of the coolant fluid flow, rather than the physical principle of a drag force.

Description

HIGH PERFORMANCE HEAT EXCHANGER WITH INCLINED PIN FIN ARAGNEMENT MEANS
AND A METHOD OF PRODUCING THE SAME
Field of the Invention
The object of this patent application relates to the heat exchangers as| cooling system of power electronics. Such heat exchangers as Power Module Coolers are in the preferential embodiment designed as Pin Fin Coolers for high power applications in Motor and Motion Control, Hybrid Electric Vehicles and other Power Module systems.
Background of the Invention
Heat sinks are so-called extended surfaces that have been used to enhance cooling of heat dissipating surfaces. Such heat sinks have been fabricated in a number of designs. The designs are such as to decrease fluid flow impedance through the heat sink and thereby improve heat dissipation performance. The pin fin heat sink is of particular interest because it is one of the commonly used heat sinks.
The technological problem addressed by this patent-application is the lack of a high performance heat exchanger that is easy to fabricate and manufacture, whilst maintaining a minimal number of components thus ensuring the low cost overall system implementation.
A significant number of relevant solutions are listed in the International Patent register. The following two represents the solutions that describe the state of the art in this area of technology. According to JP201219668A (Mitsubishi heavy industries Ltd.), the heat exchanger comprise a staggered pin-fin array with predetermined interpin spacing in both, longitudinal and transverse directions, wherein inclination angle is between -45° and + 45°. Yet another solution as disclosed in US5763950 (Fujitsu Ltd.) incorporates plurality of inclined pin fin arrays which are disclosed here in various patterns and shapes.
The main and crucial disadvantage of stated solutions from prior art is that they are creating a drag force by inclined pin fin only on the outer surface of the pin fin, thus the created force for de-routing the stream of the coolant fluid flow is too weak to be effective.
Summary of the Invention
This invention relates to a cooling system having one or more inclined pin fins for an electric motor controller. An object of the present invention is to provide a high performance heat sink for liquid cooled applications with controlled force for de-routing the stream of coolant fluid flow by means of the inclined pin fin array, wherein the coolant fluid flow is selectively focused and guided to the first surface by pushing force of inclined pin fins. The invention is based on the insight that cooling fluid flow is selectively guided to the local heat sources by pushing force, rather than by the drag force.
Advanced heat exchanger with integrated array of inclined pin fins includes a base, i.e. first surface having the plurality of pin fins, wherein at least one pin fin comprises a central passage, where coolant fluid flow is selectively focused, thus the speed of the fluid is rapidly increased. Second aspect of the present invention is to provide a method to manufacture the high performance heat sink, while maintaining the optimum of acceptable costs for production of high added value products.
Preferred embodiment of the present invention will now be described with reference to the accompanying drawings of advanced heat exchanger with array of inclined pin fins.
Brief description of the drawings
Figure 1 is an isometric view of the advanced high performance pin fin (2) heat exchanger with inclined pin fin (2) array embodying a preferential embodiment of the present invention. The following items are shown and marked in Figure 1: the heat sinks base plate (1), as part of the power electronics enclosure, which is not shown nor exposed in this patent application due to the figure clarity reasons. Furthermore, the inlet aperture (1-1), the outlet aperture (1-0), a coolant fluid channel barrier (l-CB) and an inclined pin fin (2) as segment of pin fin (2) array is marked on the Figure 1, where for clarity of the figure only one random pin fin (2) in the array is labeled.
Figure 2 is a top view of the advanced high performance pin fin (2) heat exchanger with inclined pin fin (2) array. The following items are shown and marked in Figure 2: a base plate (1), inlet aperture (1-1), outlet aperture (1-0), channel barrier (l-CB) and an inclined pin fin (2). Furthermore, a cross section plane (A-A) and detailed view (B) are marked on the Figure 2.
Figure 3 is a section view of a cross section plane (A-A) as marked in the Figure 2. The following items are shown and marked in Figure 3: a base plate (1) with bottom surface (1- BS), where at least one heat source shall apply, and first surface (1-FS), where an array of protruding inclined pin fins (2) is arranged. Furthermore, scope of a detailed view (C) is shown and labeled on Figure 3.
Figure 4 is a top plan detailed view (B) of inclined pin fin (2) array as marked and labeled on Figure 3. The following items are shown and marked in Figure 4: central aperture (2-CA) of an individual inclined pin fin (2), side passage (2-SP) between two neighbored pin fins (2), pin fin array pitch (2-P), pin fin array raster (2-R), pin fin top angle (TA), diameter of pin fin circumscribed circle (2-D), diameter of pin fin central aperture inscribed circle (2-CAD), and side passage distance (2-SPD).
Figure 5 is a detailed view (C) of the cross section plane (A-A), as marked on Figure 3. The following items are shown and marked in Figure 5: a base plate (1) with first surface (1-FS), pin fin (2) and its central aperture (2-CA), height of the pin fin (2-H), height of the pin fin central aperture (2-CAH), pin fin inclination axis (2-A), pin fins inclination angle (A-2A), central aperture axis (2-CAA), central aperture axis angle (A-2CAA), first surface axis (1-FSA) defining the main coolant fluid flow direction and pin fin axis relative angle (A-RD).
Figure 6 is a side view of the advanced high performance pin fin (2) heat exchanger with inclined pin fin (2) array. The following items are shown and marked in Figure 6: a base plate (1) with coolant fluid channel barrier (1-CB) and a randomly marked pin fin (2). Furthermore, a scope of a detailed view (D) is marked on the Figure 6.
Figure 7 is a detailed view (D) as marked on Figure 6. The following items are shown and marked in Figure 7: a base plate (1) with its first surface (1-FS) and coolant fluid channel barrier (1-CB), a pin fin (2) with its coolant fluid flow collector (2-FC) and a central aperture (2-CA). Furthermore, pin fin height (2-H), side passage (2-SP) between two neighbored pin fins (2), diameter of pin fin circumscribed circle (2-D), diameter of pin fin central aperture inscribed circle (2-CAD), and side passage distance (2-SPD) are labeled on Figure 7.
Figure 8 is an isometric view of the advanced high performance heat sink with inclined pin fins (2), here shown in the wireframe view, where for clarity of the figure, elements of a heat sink are not labeled again. For easier understanding the primary coolant fluid flow (P) and a redirected coolant fluid flow (R) is marked on figure 8. As it can be clearly seen on the figure, illustrated streamlines of redirected coolant fluid flow (R) shows intensive turbulent coolant fluid flow in the area of inclined pin fin (2) array.
Figure 9 is a top plane view of the advanced high performance heat sink with inclined pin fins (2), here shown in the wireframe view, where for clarity of the figure elements of a heat sink are not labeled again. For easier understanding the primary coolant fluid flow (P) and a redirected coolant fluid flow (R) is marked on figure 9.
Figure 10 is a side view of the advanced high performance heat sink with inclined pin fins (2), here shown in the wireframe view, where for clarity of the figure elements of heat sink are not labeled again. For easier understanding the primary coolant fluid flow (P) and a redirected coolant fluid flow (R) is marked on figure 9. As it can be clearly seen on the figure, illustrated streamlines of redirected coolant fluid flow (R) are pressed toward to the first surface (1-FS) due to the intensive pushing force produced by inclined pin fins (2) with central apertures (2-CA).
Referring to the preferential embodiment of the advanced high performance heat sink with inclined pin fins (2), the coolant fluid channel within the main cavity of the heat sink is designed as channel with its flat first surface (1-FS), and sideway channel barrier (1-CB), wherein the plurality of inclined pin fins (2) in array arrangement are protruding from the first surface (1-FS). Said inclined pin fins (2) are protruding up to the top of the coolant fluid channel, where the height of the pin fins (2-H) is approximately the same as the height of the coolant fluid channel. Thus the array of inclined pin fins (2) actually acts as an internal quasi perforated wall of the heat sinks main cavity, where individual inclined pin fin (2) with central aperture (2-CA) generates a positive force which forces the coolant fluid flow toward to the first surface (1-FS). It is important to notice, that due to the clarity of the figures, the figures in this application do not show the power electronics elements, i.e. enclosure, heat sources, etc. Instead, the figures of this application shows only the heat sink in preferential embodiment as a segment of the power electronics cooling system or housing, where other elements, such as cover of the coolant channel are present, but not shown on figures of this patent application.
In exposed embodiment the heat sink shown on figures 1-10 is part or segment of the target device cooling system, thus the inlet and outlet apertures (1-1, 1-0) are here shown as wide open apertures. Regarding this patent application it is most important to notice, that each individual pin fin (2) comprises a central aperture (2-CA), where the main coolant fluid flow passes the pin fin (2) array quasi barrier, thus the force for de-routing the stream of the coolant fluid flow is generated by means of inclined pin fin (2) with central aperture (2-CA) within the array arrangement.
The pin fin (2) in exposed embodiment is designed as crescent moon type pin base, which is inclined at inclination axis (2-A) in relation to the first surface axis (1-FSA). Furthermore, the pin fin (2) in exposed embodiment comprises a second, pin fin (2) extraction area which consequently generates a pin fin (2) central aperture (2-CA) in accordance to the central aperture axis angle (A-2CAA). It can be understood, that the shape, area and height of the pin fin (2) central aperture (2-CA) is defined with shape, position and angle of extraction tool, which corresponds and thus exactly defines the shape of the pin fin (2). Due to the crescent moon type base structure an inclined pin fin (2) with central aperture (2-CA) further comprise a coolant fluid flow collector (2-FC), where the fluid flow is collected and directed toward central aperture (2-CA) of the pin fin (2) arrangement. In a preferential embodiment the pin fin (2) array is composed of pin fins (2), where a side passage (2-SP) between two neighbored pin fins (2) generates additional drag force due to the fluid flow principle, well known as Coanda effect. Due do the relatively small side passage distance (2-SPD) the main stream of a coolant fluid flow is redistributed toward to the central aperture (2-CA) of the pin fins (2), wherein a pin fin (2) array arrangement comprise a pin fin top angle (TA), which is defined by three neighbored pin fins (2) due to the pin fin array pitch (2-P) and pin fin array raster (2-R), as shown and defined on Figure 4.
Due to the central aperture (2-CA) of the pin fin (2) the method for producing the exposed embodiment comprises at least six different approaches for manufacturing process. First and preferential approach employ the technology of metal injection molding, well known as MI technology from prior art. Due to the advantages of stated technology, the manufacturing process of exposed preferential embodiment of advanced high performance heat sink with inclined pin fins (2) with central aperture (2-CA) comprises at least a production of pin fin (2) inserts by MIM technology, which are thereafter composed in pin fin (2) array arrangement and casted into the heat sink during the die casting process. Although, some types of disclosed high performance heat sink with inclined pin fins (2) and central aperture (2-CA) can be manufactured by MIM technology directly, in function of a final product. Second approach for manufacturing the advanced high performance heat sink includes the step of investment, i.e. lost foam casting, where green part is pre-manufactured by well known technology from prior art, and thereafter the heat sink is casted. Third approach for manufacturing an advanced heat sink with inclined pin fins (2) comprises the step of die- casting, where due to the two simultaneous draft angles a complex at least two stage side die assembly is employed for manufacturing process. The fourth approach for manufacturing an advanced heat sink with inclined pin fins (2) comprises an injection molding process, where high thermally conductive polymers are molded into its final shape. The fifth approach for manufacturing an advanced heat sink with inclined pin fins (2) comprise additive technologies such as rapid manufacturing, where high thermally conductive materials shall be employed.
The heat sink in exposed embodiment comprises the crescent moon type pin fin (2) base, which are in preferential embodiment cylindrical in shape. It can be understood, that the pin fins (2) can equally be also conical, elliptical, diamond, raindrop or semicircular type or any other shape, where it is important to notice, that each individual pin fin (2) shall comprise a central aperture (2-CA). Furthermore, the disclosed heat sink with inclined pin fins (2) is in its preferential embodiment made of aluminum, but it can be also made of any other relevant material, such as copper, or high thermally conductive plastics, polymer or elastomer with metal fillers included.
To provide the solution for preventing the laminar coolant flow passing by the pin fins (2), positioned near the side wall, the preferential embodiment further comprises the boundary fins (2) integrated into the agitated channel boundary wall (1-CB) of the heat sinks in main cavity. Consequently the passing by coolant fluid flow is forced to follow and hit the pin fin (2) array configuration which contributes to enhanced efficiency of the heat sink. The boundary pin fin (2) is actually designed as row of pin fins (2) integrated into the channel boundary wall (1-CB), thus the pattern of the boundary fin (2) is defined and dictated by the main, i.e. primary pattern of the pin fin (2) array, as shown and defined on Figure 4.
Hereinafter, the boundary conditions of stated parameters for designing the advanced heat sink with inclined pin fins (2) and central aperture (2-CA) are provided, where the pin fin top angle (TA) is in the range of 15° to 70°, preferably 40°; diameter of pin fin circumscribed circle (2-D) is in the range of 0,5mm to 10mm, preferably 3mm; diameter of pin fin central aperture inscribed circle (2-CAD) is in the range of 0,3mm to 8mm, preferably 1,75mm; a side passage distance (2-SPD) is in the range of 0,25 to 5mm, preferably 0,5mm; a height of the pin fin (2-H) is in the range of 1mm to 15mm, preferably 7mm; height of the pin fin central aperture (2-CAH) is in the range of 0,5mm to 10mm, preferably 3mm, pin fin inclination angle (A-2A) is in the range of 30° to 150°, preferably 60°; and central aperture axis angle (A-2CAA) is in the range of 60° to 120°, preferably 90°.
In the foregoing description those skilled in the art will readily appreciate that modifications may be made to the invention without departing from the concepts disclosed herein. Such modifications are to be considered as included in the following claims, unless these claims expressly state otherwise.

Claims

We claim:
1. A cooling system with inclined pin fin (2) arrangement means comprising: at least one first surface (1-FS) defining a base portion of the cooling system with heat sources located therein; at least one pin fin (2) array extending from at least one surface of the cooling system apparatus, wherein at least one individual pin fin (2) further comprises a central aperture (2-CA), wherein the central aperture (2-CA) is generated by said first surface (1-FS) and by at least one extended segment on the tip of individual pin fin (2), wherein said extended segment of each individual pin fin (2) further comprise at least a thermal junction with the first surface (1-FS) of the cooling system apparatus.
2. A cooling system with inclined pin fin (2) arrangement means of claim 1 comprising: at least one first surface (1-FS) defining at least a base portion of the cooling system; at least one pin fin (2) array extending from at least one first surface (1-FS) wherein at least one individual pin fin (2) further comprises a central aperture (2-CA), wherein each individual pin fin (2) comprises at least two separate adherent junctions with said first surface (1-FS) wherein said segments of each individual pin fin (2) joints together in the upper body portion of said pin fin (2), thus generating a central aperture (2-CA) of the pin fin (2) arrangement means, wherein the pin fin (2) base structure cross section is in the shape of crescent moon, thus said pin fin (2) further comprises the coolant fluid flow collector (2-FC) which pushes the stream of the main coolant fluid flow toward to the central aperture (2-CA) of the pin fin (2); wherein a cooling system further comprises a boundary pin fins (2) integrated in agitated side wall as part of the coolant fluid channel barrier (1-CB), thus forcing the main stream of the coolant fluid flow to enter into the pin fin (2) array.
3. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein the pin fin top angle (TA) is in the range of 15° to 70°.
4. A cooling system with inclined pin fin (2) arrangement means of claim 3 wherein the pin fin top angle (TA) is 40°.
5. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein the diameter of pin fin circumscribed circle (2-D) is in the range of 0,5 mm to 10 mm.
6. A cooling system with inclined pin fin (2) arrangement means of claim 5 wherein the diameter of pin fin circumscribed circle (2-D) is 3 mm.
7. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein the diameter of pin fin central aperture inscribed circle (2-CAD) is in the range of 0,3 mm to 8 mm.
8. A cooling system with inclined pin fin (2) arrangement means of claim 7 wherein the diameter of pin fin central aperture inscribed circle (2-CAD) is 1,75 mm.
9. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein a side passage distance (2-SPD) is in the range of 0,25 mm to 5 mm.
10. A cooling system with inclined pin fin (2) arrangement means of claim 9 wherein a side passage distance (2-SPD) is 0,5 mm.
11. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein a height of the pin fin (2-H) is in the range of 1 mm to 15 mm.
12. A cooling system with inclined pin fin (2) arrangement means of claim 11 wherein a height of the pin fin (2-H) is 7 mm.
13. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein a height of the pin fin central aperture (2-CAH) is in the range of 0,5 mm to 10 mm.
14. A cooling system with inclined pin fin (2) arrangement means of claim 13 wherein a height of the pin fin central aperture (2-CAH) is 3 mm.
15. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein the pin fin inclination angle (A-2A) is in the range of 30° to 150°.
16. A cooling system with inclined pin fin (2) arrangement means of claim 15 wherein the pin fin inclination angle (A-2A) is 60°.
17. A cooling system with inclined pin fin (2) arrangement means of claim 2 wherein central aperture axis angle (A-2CAA) is in the range of 60° to 120°.
18. A cooling system with inclined pin fin (2) arrangement means of claim 17 wherein central aperture axis angle (A-2CAA) is 90°.
19. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is made of aluminum.
20. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is made of copper.
21. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is made of thermally conductive polymer.
22. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is made of thermally conductive elastomer.
23. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is manufactured by metal injection molding technology.
24. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is manufactured by investment casting technology.
25. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is manufactured by die-casting technology.
26. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is manufactured by injection molding technology.
27. A cooling system with inclined pin fin (2) arrangement means of claim 1 wherein the heat sink with inclined pin fins (2) in its preferential embodiment is manufactured by additive technology, i.e. rapid manufacturing.
28. A method of producing the heat sink with inclined pin fin (2) arrangement means further comprising the central aperture (2-CA) for coolant fluid flow de-routing comprising the steps of:
a) producing the pin fins (2) in the form of an inserts by metal injection molding; b) casting the inserts into the heat sink wherein a metallurgical bond is generated between the heat sink base plate (1) and individual pin fin (2) with central aperture (2-CA).
PCT/SI2013/000081 2013-12-16 2013-12-16 High performance heat exchanger with inclined pin fin aragnement means and a method of producing the same WO2015094125A1 (en)

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US10184728B2 (en) 2017-02-28 2019-01-22 General Electric Company Additively manufactured heat exchanger including flow turbulators defining internal fluid passageways
EP3306659A4 (en) * 2015-06-03 2019-06-19 Mitsubishi Electric Corporation Liquid-cooled cooler, and manufacturing method for radiating fin in liquid-cooled cooler
DE102018209586A1 (en) * 2018-06-14 2019-12-19 Volkswagen Aktiengesellschaft Electronic component with improved cooling performance and motor vehicle with at least one electronic component
CN110793370A (en) * 2019-11-12 2020-02-14 山东大学 Design method of water-cooled tube plate heat exchanger
EP4020043A1 (en) * 2020-07-02 2022-06-29 Google LLC Thermal optimizations for osfp optical transceiver modules
WO2022163418A1 (en) * 2021-01-27 2022-08-04 昭和電工マテリアルズ株式会社 Cooling structure
EP4293308A1 (en) * 2022-06-14 2023-12-20 Hamilton Sundstrand Corporation Heat exchanger core layer

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