CN105066754B - Pulsating heat pipe (PHP) heat exchanger and machining method thereof - Google Patents
Pulsating heat pipe (PHP) heat exchanger and machining method thereof Download PDFInfo
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- CN105066754B CN105066754B CN201510463032.XA CN201510463032A CN105066754B CN 105066754 B CN105066754 B CN 105066754B CN 201510463032 A CN201510463032 A CN 201510463032A CN 105066754 B CN105066754 B CN 105066754B
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- heat exchange
- transverse tube
- pipe
- dividing plate
- heat exchanger
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- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
The invention provides a pulsating heat pipe (PHP) heat exchanger and a machining method thereof. The machining method mainly comprises S1, installation steps of basic heat exchange units that positioning tubes are made to penetrate into vertical heat exchange branch tubes to the middle positions and are fixed; separation plates are put into the vertical heat exchange branch tubes at the two ends of each positioning tube, and the basic heat exchange units are formed; S2, installation steps of heat exchange units that fins are fixed to the vertical heat exchange branch tubes at the outer sides of the separation plates by adopting fixing components, and the heat exchange units are formed; and S3, installation steps of effective heat exchange substrates that the two ends of each vertical heat exchange branch tube are inserted into a first horizontal tube group and a second horizontal tube group separately, and joint points are all welded in a high-silver welding mode; neighboring separation plates are connected; neighboring horizontal tubes in the first horizontal tube group and the second horizontal tube group are connected through elbows, and the vertical heat exchange branch tubes and all the horizontal tubes are connected to be a return circuit. The machining method is simple in technology, suitable for mass production, and the PHP heat exchanger machined through the machining method is good in reliability.
Description
Technical field
The present invention relates to pulsating heat pipe technology is and in particular to a kind of pulsating heat pipe heat exchanger and its processing method.
Background technology
Current heat exchanger mostly is dividing wall type heat exchanger, mainly includes shell-and-tube heat exchanger, plate type heat exchanger and fin-tube type
Heat exchanger, plate type heat exchanger therein is high due to compact conformation, heat transfer coefficient, and application is relatively broad.But dividing wall type heat exchanger
The defect that generally existing sealing is difficult, difficulty of processing is big, and long processing time, complex process, lead to cost of a relatively high, and
During heat exchanger uses, because cold fluid and hot fluid passes through heat transfer wall mediate contact, once revealing, cold fluid and hot fluid can be caused
Blend, the safe operation of exchange hot systems brings hidden danger.
Sealing that current dividing wall type heat exchanger exists in process is difficult, difficulty of processing is big, process-cycle length length,
Complex process, the defect such as high cost, security reliability difference.
Content of the invention
In view of this, the present invention provides a kind of pulsating heat pipe heat exchanger and its processing method and changes it is intended to simplify pulsating heat pipe
The processing technique of hot device, and improve the performance of pulsating heat pipe heat exchanger.
The technical solution used in the present invention particularly as follows:
A kind of processing method of pulsating heat pipe heat exchanger, comprises the steps:
S1. the installation steps of basic heat exchange unit:
Positioning pipe is penetrated vertical heat exchange arm to centre position and be fixed, at the two ends of positioning pipe, dividing plate is divided
Do not load described vertical heat exchange arm, form basic heat exchange unit；
S2. the installation steps of heat exchange unit:
Fin is fixed on by vertical heat exchange arm outside described dividing plate using fixation kit, forms heat exchange unit；
S3. the installation steps of effective heat exchange matrix:
The two ends of vertical heat exchange arm are inserted in the first transverse tube group and the second transverse tube group respectively, and the side by high silver soldering
Each combination is spot welded by formula；
Connect adjacent dividing plate；
First transverse tube group is connected by elbow with the adjacent transverse tube in the second transverse tube group, vertical heat exchange arm and each
Transverse tube connects into loop.
In the processing method of above-mentioned pulsating heat pipe heat exchanger, further comprising the steps of:
S4. dividing plate heat insulation function realize step:
Clog insulation material in the inner side of dividing plate, or
The insulation material foaming at scene is directly carried out in the inner side of dividing plate using polyurathamc mode and solidifies；
S5. test leakage step:
Air pressure in loop is suppressed to certain pressure intensity, checks whether each loop has leak source.
In the processing method of above-mentioned pulsating heat pipe heat exchanger, described fin is fixed on described vertical heat exchange by riveting tool and props up
Pipe, the material of described riveting tool is to make the t8 steel of Quenching Treatment with the contact jaw of fin.
In the processing method of above-mentioned pulsating heat pipe heat exchanger, described fin is aluminum fin-stock.
In the processing method of above-mentioned pulsating heat pipe heat exchanger, the section of described dividing plate is u-shaped structure, adjacent described every
Plate is connected by bolt and nut component.
Through the structure of the pulsating heat pipe heat exchanger of above-mentioned steps processing it is:
Including transverse tube pedestal and several heat exchange units, described transverse tube pedestal includes the first transverse tube group and the second transverse tube group,
Several described heat exchange units are between described first transverse tube group and described second transverse tube group；Wherein:
Described heat exchange unit includes basic heat exchange unit and several fins, and described basic heat exchange unit includes vertical heat exchange
Arm, dividing plate and positioning pipe, described positioning pipe sleeve is respectively sleeved in the centre position of described vertical heat exchange arm, described dividing plate
The corresponding position in positioning pipe two ends of described vertical heat exchange arm, several described fins are placed on the described fixed of vertical heat exchange arm
Position pipe two ends outwards corresponding position；
In first transverse tube group or the second transverse tube group, adjacent transverse tube is connected by elbow；
The dividing plate of adjacent described heat exchange unit is connected.
In above-mentioned pulsating heat pipe heat exchanger, described fin is aluminum fin-stock.
In above-mentioned pulsating heat pipe heat exchanger, described elbow is solid by way of high silver soldering with the junction of described transverse tube
Fixed.
In above-mentioned pulsating heat pipe heat exchanger, the junction of described heat exchange unit and described transverse tube pedestal is by high silver soldering
Mode is fixed.
The beneficial effect comprise that:
The fire end of the pulsating heat pipe heat exchanger of the present invention is placed in zone of heat liberation, and condensation end is placed in cold fluid pass
Interior, cold fluid and hot fluid runs in the respective passage that centre dividing plate separates, by the operation of pulsating heat pipe by zone of heat liberation
The heat that interior hot fluid contains is released to the cold flow body in cold fluid pass, thus without the mixing that cold fluid and hot fluid occurs,
The heat exchange mode that cold fluid and hot fluid passes through heat transfer wall mediate contact is avoided, safety and reliability are good, using the longevity in work process
Life length；
The processing method of the pulsating heat pipe heat exchanger of the present invention completes heat exchange by the way of wire cutting, punch press, high silver soldering
The cutting of copper pipe, welding and assembling, processing technique is simple, and the process-cycle is short, high yield rate, small volume, heat exchanging pipe wall temperature
Controlled, it is to avoid dew point corrosion, low to the quality requirements of cold fluid and hot fluid, due to cold fluid and hot fluid and heat exchanger tube wall contacts, easily clearly
Sweep dirt, be easy to keep in repair, improve low cost it is easy to extensive batch machining produces.
Brief description
When considered in conjunction with the accompanying drawings, the present invention can more completely be more fully understood.Accompanying drawing described herein is used for providing
A further understanding of the present invention, embodiment and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.
Fig. 1 is a kind of structural representation one of the basic heat exchange unit of pulsating heat pipe heat exchanger of the present invention；
Fig. 2 is a kind of structural representation two of the basic heat exchange unit of pulsating heat pipe heat exchanger of the present invention；
Fig. 3 is a kind of scheme of installation of the aluminum fin-stock of pulsating heat pipe heat exchanger of the present invention；
Fig. 4 is a kind of structural representation of (the basic heat exchange unit+aluminum fin-stock+transverse tube) of pulsating heat pipe heat exchanger of the present invention
One；
Fig. 5 is a kind of structural representation of (the basic heat exchange unit+aluminum fin-stock+transverse tube) of pulsating heat pipe heat exchanger of the present invention
Two
Fig. 6 is a kind of structural representation of the elbow of pulsating heat pipe heat exchanger of the present invention.
In figure:
1- vertical heat exchange arm
2- dividing plate
3- positioning pipe
4- aluminum fin-stock
41- hammer
42- riveting has extension bar
43- riveting has
44- fixture a part
45- fixture b part
5- transverse tube
6- elbow.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to technical scheme.
Before processing it is necessary first to carry out the processing link of each assembly (with the actual component parameter of certain group in engineering
As a example):
A. vertical heat exchange arm 1:
Cut external diameter 3mm, internal diameter 2mm, the cold-drawn copper tube 42 of length 400mm, every 7 are one group, totally 6 groups.Due to
Vertical heat exchange arm 1 is directly contacted with cold fluid and hot fluid, and cold fluid and hot fluid is pressure flow body, and therefore vertical heat exchange arm 1 is selected
Intensity is high, pressure-bearing is big, on-deformable cold-drawn copper tube.
B. dividing plate 2:
Thickness is 3mm, section is the steel plate of u-shaped structure, and in the structure of pulsating heat pipe heat exchanger, dividing plate 2 is divided into up and down
Two groups, every group of dividing plate forms (thickness of u-shaped dividing plate is 2mm) by the u-shaped dividing plate of six 180mm × 30mm × 12mm, each every
(adjacent pitch of holes is 15mm, and outermost circular hole one divides apart from dividing plate two ends to be machined with the circular hole one that 7 external diameters are 3mm on plate
Wei 60mm and 30mm), it is used for enabling vertical heat exchange arm 1 to be respectively connected with leading to cold fluid and hot fluid passage through dividing plate 2, pass through
Set up positioning pipe 3 so that each vertical heat exchange arm 1 is stabilized arrangement in the cavity of u-shaped dividing plate.In each u-shaped dividing plate
Side wall on, be machined with the circular hole two (the centre distance side wall top 4mm of circular hole two) of two a diameter of 5.5mm, by consolidating
Determine bolt and pass through this hole it is achieved that the connection of adjacent separator 2, form one group of dividing plate.
C. positioning pipe 3:
Cut external diameter 5mm, internal diameter 3mm, the brass pipe 42 of length 28mm, positioning pipe 3 is placed on the outer of vertical heat exchange arm 1
Side, and be arranged in the cavity of dividing plate 2, vertical heat exchange arm 1 is fixing.
D. aluminum fin-stock 4:
The aluminium sheet of thickness 0.88mm is cut out first the rectangular sheet 180 of about 120mm × 40mm with plate shearing machine, by 180
Rectangular sheet is divided into four groups, every group 45；After being riveted together after every group of rectangular sheet is overlapped, aligns, then rectangular sheet is adopted
Line cutting technology carries out reworking, and the physical dimension of the aluminum fin-stock 4 of machine-shaping is 100mm × 20mm, and in each aluminum wing
(adjacent pitch of holes is 15mm, and outermost circular hole three is apart from aluminum fin-stock to process 7 circular holes three of a diameter of 3.03mm on piece 4
End be respectively 5mm), be used for enabling vertical heat exchange arm 1 to pass through.
Certainly, if desired produce in enormous quantities, take into account economy and feasibility, by the way of punch press processing, substitute wire cutting
Technology.
E. transverse tube 5:
Cut external diameter 5mm, internal diameter 3mm, the cold-drawn copper tube 12 of length 120mm, every transverse tube is processed a diameter of
Seven circular holes four (adjacent pitch of holes is 15mm, and outermost circular hole four is respectively 15mm apart from copper pipe End) of 3mm, are used for
So that vertical heat exchange arm 11 is inserted into transverse tube, form the closed circuit of pulsating heat pipe.
F. elbow 6:
Processing radius using the cold-drawn copper tube after external diameter 5mm, the copper tube coil of internal diameter 3mm or annealed process is
The end at elbow 6 two ends totally 10, is carried out enlarging using enlarging technology, for connecting adjacent transverse tube 5 by the elbow of 15mm
(transverse tube 5 adopts high silver soldering with the connected mode of the joint of elbow 6).
The process that said modules are processed as pulsating heat pipe heat exchanger specifically includes following steps:
S1. the installation steps of basic heat exchange unit (main inclusion positioning pipe 3, dividing plate 2 and vertical heat exchange arm 1):
As shown in Figure 1-2, positioning pipe 3 is penetrated vertical heat exchange arm 1 to middle position, and be fixed with ab glue, complete
Become the fixation of 7 copper pipes of every group of copper pipe row, at the two ends of positioning pipe 3, by dividing plate 2 respectively from the top and bottom of copper pipe difference
(totally 6 groups of vertical heat exchange arm 1 before corresponding, every group has 7 copper pipes, complete in the same way to load vertical heat exchange arm 1
Become the assembling of 6 groups of vertical heat exchange arms 1)；
S2. the installation of aluminum fin-stock 4 and fixing step:
Aluminum fin-stock 4 is fixed on by vertical heat exchange arm 1 outside dividing plate using fixation kit, fixation kit mainly includes hammering into shape
Son 41, riveting tool extension bar 42, riveting tool 43 and fixture (44,45) part, fixture (44,45) is partly used for vertical heat exchange arm 1
Clamp fixing (tightening nut, vertical heat exchange arm 1 is fixed between fixture (a, b) part), hammer 41, riveting tool extension bar 42 and
Riveting tool 43 is then used for for aluminum fin-stock 4 being fixed on vertical heat exchange arm 1；According in every group of vertical heat exchange arm 1 between adjacent copper pipe
Away from (44,45) two parts are machined with the semicircle orifice of seven a diameter of 3mm respectively, and docking forms seven circular holes, so that copper pipe is smooth
Pass through.Specifically as shown in Figure 3:
S21, using bolt machinery fastening clips (a, b) part, it is fixed, by every group of vertical heat exchange arm 1
Seven copper pipes are longitudinally inserted in seven circular holes of fixture (44,45) successively；
S22, aluminum fin-stock 4 is laterally penetrated successively every group of vertical heat exchange arm 1；
S23, riveting tool 43 penetrate each copper pipe in every group of vertical heat exchange arm 1 successively, after penetrating, are tapped with hammer 41
Riveting has extension bar 42 and is able to be riveted aluminum fin-stock 4 so that having extension bar 42 with riveting and mating the riveting tool 43 being connected, that is, complete a piece of aluminum fin-stock
Installation.
According to the step of above-mentioned s21～s23, other aluminum fin-stock 4, the upper/lower terminal of every group of vertical heat exchange arm 1 row are installed
It is respectively mounted 15 aluminum fin-stock 4, the installation of aluminum fin-stock 4 is completed on six groups of vertical heat exchange arms 1.
As a kind of preferred, in order to ensure fixing reliability and operability, the material that riveting has 43 is quenched for lower end
The t8 steel that fire is processed.
S3. number of assembling steps:
As illustrated in figures 4-5, the upper and lower end portion of every group of vertical heat exchange arm 1 is inserted respectively in the circular hole four of transverse tube 5, so
Afterwards by each binding site firm welding by way of high silver soldering, and process other five groups of vertical heat exchange in the same way respectively and prop up
Pipe 1；By the way of bolt mechanical fasteners, adjacent dividing plate 2 (being coordinated with the circular hole two of u-shaped structure both sides) is connected, completes six
Organize the connection of basic heat exchange unit；
Elbow shown in Fig. 6 is inserted adjacent transverse tube 5 end and by the knot of elbow 6 and transverse tube 5 by way of high silver soldering
Conjunction face is fixed, and the transverse tube 5 of six groups of vertical heat exchange arms 1 is connected into a loop.
In addition, the loop of heat exchanger lower end is connected as loop, and the loop spare interface of upper end, for filling working medium
With.
S4. the heat insulation function of dividing plate realizes step:
For avoiding the fluid heat transferring in the hot and cold passage of heat exchanger, the inner side filling such as poly- ammonia in dividing plate 2 of hollow structure
The insulation materials such as ester are thermally shielded, or directly carry out foam-in-place simultaneously in the inner side of hollow structure using polyurathamc mode
Solidification is heat-insulated.
S5. encapsulation step:
The above-mentioned effective component assembling is fixed in the cuboid framework being welded into by little angle bar, framework therein
(upper and lower, left and right) four side is closed with sheet iron, and (forward and backward) side is the passage of cold flow body and hot fluid.
S6. test leakage step:
In order to ensure the reliability of pulsating heat pipe heat exchanger, with air compressor machine, the air pressure in loop is suppressed to 8 × 105Pa,
Check whether each loop has leak source, remedy in time if any leak source.
The structure of the pulsating heat pipe heat exchanger making through above-mentioned steps is:
Mainly include the transverse tube pedestal that is made up of upper and lower two groups of transverse tubes and be placed in therebetween several by basic heat exchange list
Unit and the heat exchange unit of fin composition, wherein:
Basic heat exchange unit includes vertical heat exchange arm 1, dividing plate 2 and positioning pipe 3, and positioning pipe sleeve is in vertical heat exchange arm
3 centre position, and two dividing plates 2 are then respectively sleeved in the corresponding position in positioning pipe 3 two ends of vertical heat exchange arm 1, several
Aluminum fin-stock 4 is placed on the positioning pipe 3 two ends outwards corresponding position of vertical heat exchange arm 1；Adjacent transverse tube 5 passes through elbow 6 and is connected
Connect；Adjacent dividing plate is connected by bolt and nut component.
In order to ensure the reliability and the sealing property that connect, elbow 6 and transverse tube 5 and vertical heat exchange arm 1 and transverse tube 5
Junction is all fixed by way of high silver soldering.
As can be seen that the course of processing of the pulsating heat pipe heat exchanger of the present invention is subject to the factor of man's activity less, and technique
Simply, it is suitable for producing in enormous quantities, the pulsating heat pipe processing is functional.
Above in association with accompanying drawing, embodiments of the invention are explained, accompanying drawing herein is used to provide to this
That invents further understands.Obviously, the foregoing is only the present invention preferably specific embodiment, but protection scope of the present invention
Be not limited thereto, any be to one skilled in the art can readily occur in, essentially without depart from the present invention
Change or replacement, are also all contained within protection scope of the present invention.
Claims (9)
1. a kind of processing method of pulsating heat pipe heat exchanger is it is characterised in that comprise the steps:
S1. the installation steps of basic heat exchange unit:
Positioning pipe is penetrated vertical heat exchange arm to centre position and be fixed, at the two ends of positioning pipe, dividing plate is filled respectively
Enter described vertical heat exchange arm, form basic heat exchange unit；
S2. the installation steps of heat exchange unit:
Fin is fixed on by vertical heat exchange arm outside described dividing plate using fixation kit, forms heat exchange unit；
S3. the installation steps of effective heat exchange matrix:
The two ends of vertical heat exchange arm are inserted in the first transverse tube group and the second transverse tube group respectively, and will by way of high silver soldering
Each combination is spot welded；
Connect adjacent dividing plate；
First transverse tube group is connected by elbow with the adjacent transverse tube in the second transverse tube group, vertical heat exchange arm and each transverse tube
Connect into loop.
2. the processing method of pulsating heat pipe heat exchanger according to claim 1 is it is characterised in that further comprising the steps of:
S4. the heat insulation function of dividing plate realizes step:
Clog insulation material in the inner side of dividing plate, or
The insulation material foaming at scene is directly carried out in the inner side of dividing plate using polyurathamc mode and solidifies；
S5. test leakage step:
Air pressure in loop is suppressed to certain pressure intensity, checks whether each loop has leak source.
3. the processing method of pulsating heat pipe heat exchanger according to claim 1 is it is characterised in that described fin is had by riveting
It is fixed on described vertical heat exchange arm, the material of described riveting tool is to make the t8 steel of Quenching Treatment with the contact jaw of fin.
4. the processing method of pulsating heat pipe heat exchanger according to claim 1 is it is characterised in that described fin is aluminum wing
Piece.
5. the processing method of pulsating heat pipe heat exchanger according to claim 1 is it is characterised in that the section of described dividing plate is
U-shaped structure, adjacent described dividing plate is connected by bolt and nut component.
6. a kind of pulsating heat pipe heat exchanger is it is characterised in that include transverse tube pedestal and several heat exchange units, described transverse tube pedestal
Including the first transverse tube group and the second transverse tube group, several described heat exchange units are located at described first transverse tube group and described second transverse tube
Between group；Wherein:
Described heat exchange unit includes basic heat exchange unit and several fins, and described basic heat exchange unit includes vertical heat exchange and props up
Pipe, dividing plate and positioning pipe, described positioning pipe sleeve is respectively sleeved in institute in the centre position of described vertical heat exchange arm, described dividing plate
State the corresponding position in positioning pipe two ends of vertical heat exchange arm, several described fins are placed on the described positioning of vertical heat exchange arm
Pipe two ends outwards corresponding position；
First transverse tube group is connected by elbow with adjacent transverse tube in the second transverse tube group；
The dividing plate of adjacent described heat exchange unit is connected.
7. pulsating heat pipe heat exchanger according to claim 6 is it is characterised in that described fin is aluminum fin-stock.
8. pulsating heat pipe heat exchanger according to claim 6 is it is characterised in that the junction of described elbow and described transverse tube
Fixed by way of high silver soldering.
9. pulsating heat pipe heat exchanger according to claim 6 is it is characterised in that described heat exchange unit and described transverse tube pedestal
Junction fixed by way of high silver soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463032.XA CN105066754B (en) | 2015-07-31 | 2015-07-31 | Pulsating heat pipe (PHP) heat exchanger and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510463032.XA CN105066754B (en) | 2015-07-31 | 2015-07-31 | Pulsating heat pipe (PHP) heat exchanger and machining method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105066754A CN105066754A (en) | 2015-11-18 |
| CN105066754B true CN105066754B (en) | 2017-01-18 |
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ID=54496185
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| CN201510463032.XA Active CN105066754B (en) | 2015-07-31 | 2015-07-31 | Pulsating heat pipe (PHP) heat exchanger and machining method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3816562B1 (en) * | 2019-10-31 | 2023-05-03 | Hamilton Sundstrand Corporation | Oscillating heat pipe integrated thermal management system for power electronics |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006308111A (en) * | 2005-04-26 | 2006-11-09 | Showa Denko Kk | Method of manufacturing heat pipe type heat exchanger |
| CN102944052A (en) * | 2012-11-09 | 2013-02-27 | 上海交通大学 | Plate type pulsating heat pipe fresh air heat regenerator |
| CN203772083U (en) * | 2013-12-30 | 2014-08-13 | 北京建筑大学 | Multi-channel pulsating heat pipe heat exchanger |
| CN203848731U (en) * | 2014-05-05 | 2014-09-24 | 大连海事大学 | Staggered plate type pulsating heat pipe heat exchanger |
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2015
- 2015-07-31 CN CN201510463032.XA patent/CN105066754B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3816562B1 (en) * | 2019-10-31 | 2023-05-03 | Hamilton Sundstrand Corporation | Oscillating heat pipe integrated thermal management system for power electronics |
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| CN105066754A (en) | 2015-11-18 |
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