CN204514143U - With the pulsating heat pipe radiator of micro-channel - Google Patents
With the pulsating heat pipe radiator of micro-channel Download PDFInfo
- Publication number
- CN204514143U CN204514143U CN201520055891.0U CN201520055891U CN204514143U CN 204514143 U CN204514143 U CN 204514143U CN 201520055891 U CN201520055891 U CN 201520055891U CN 204514143 U CN204514143 U CN 204514143U
- Authority
- CN
- China
- Prior art keywords
- micro
- heat pipe
- pulsating heat
- channel
- channel structure
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- 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
- F28D15/0266—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 with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
-
- 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
- F28D15/04—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 with tubes having a capillary structure
- F28D15/046—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 with tubes having a capillary structure characterised by the material or the construction of the capillary structure
Landscapes
- 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)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
A kind of pulsating heat pipe radiator with micro-channel, it comprises and bends integrated evaporator section, adiabatic section and condensation segment by capillary, the threeway of condensation segment is connected with and vacuumizes/liquid injection port, it is characterized in that the internal face of described capillary has micro-channel structure, the size of micro-channel structure is tens of to hundreds of micron dimension.The utility model not only can have that common pulsating heat pipe structure is simple, the advantage of good heat-transfer, the capillarity of internal face micro-channel structure can also be utilized to realize working medium by the neous flow of cold junction to hot junction, thus have the function of liquid-sucking core heat pipe concurrently.The utility model have compact conformation, cost of manufacture low, without the need to additional servicing unit and can the feature run steady in a long-term.
Description
Technical field
The utility model relates to a kind of passive drive cooling technology of electronic devices and components, especially a kind of pulsation dynamic heat dissipation technology, specifically a kind of pulsating heat pipe radiator with micro-channel.
Background technology
At present, along with improving constantly of various electronic devices and components integrated level, its working heat load and unit are caloric value also significantly increase, and have had a strong impact on the service behaviour of device and have normally used, cause heat dissipation problem more and more outstanding, and become the bottleneck of its development of restriction.And pulsating heat pipe structure is simple, without internal capillary core, there is miniaturization, advantage that cost is low, be very suitable for the cooling field under high heat flux, but its service behaviour also can be subject to the certain influence of working environment (as gravitational field inversion, Microgravity).And traditional liquid-sucking core heat pipe, the spontaneous backflow of working medium autocondensation section to evaporator section can be realized by capillarity, thus effectively overcome the adverse effect of the environmental factor such as Microgravity and VARIATION OF GRAVITY FIELD.
Application number 201310626276.6, name are called " a kind of pulsating heat pipe with alligatoring structure ", and to disclose a kind of evaporator section internal face be granular pulsating heat pipe, in order to realize dispelling the heat to electronic devices and components.Traditional pulsating heat pipe is bent by the capillary of inner wall smooth and forms, and could start after heat flow density need acquire a certain degree, and effectively can reduce the minimum temperature needed for pulsating heat pipe startup after adopting this nutty structure, and then shortens start-up time.But in whole cooling process, after evaporator section inside adopts grain structure, the overall heat transfer property of pulsating heat pipe is not had clear improvement, and the adverse effect of the factors such as VARIATION OF GRAVITY FIELD cannot be overcome.Pulsating heat pipe described in above-mentioned patent, only employs liquid-sucking core grain structure at evaporator section position, is not applied to whole pulsating heat pipe inner." Effect of Internal Wick Structure on Liquid-Vapor Oscillatory Flow and Heat Transfer in an Oscillating Heat Pipe " literary composition that Xu etc. deliver on " ASME Journal of Heat Transfer " (2009 volume 131 numberings 121012) after then analog study internal face entirety has particle liquid sucting core structure the working medium of pulsating heat pipe move and heat transfer property, find that this type of pulsating heat pipe is all improved in latent heat and sensible heat transfer compared with light pipe, thus effectively enhance the heat transfer property of heat pipe.Although it is effective in enhancing pulsating heat pipe heat-transfer capability that above theoretical research shows to add particle liquid sucting core structure, in view of this heat pipe internal diameter less (usual 1 ~ 5 mm), there is larger difficulty in actual processing, and will improve its application cost.Therefore, find or adopt the liquid sucting core structure of other Simple And Practical more, at popularization pulsating heat pipe technical elements, there is very high potential using value.
Summary of the invention
The purpose of this utility model is poor for existing pulsation type heat pipe starting state, the problem that especially cannot normally work when level or antigravity are placed, design a kind of feature having liquid-sucking core heat pipe and common pulsating heat pipe concurrently, obviously can improve the startup situation of pulsating heat pipe, improve the pulsating heat pipe radiator of the band micro-channel of its heat transfer property, to be difficult to the defect of startup and service behaviour degradation when can improve traditional pulsating heat pipe level and the placement of antigravity pattern, strengthen its actual application ability.
The technical solution of the utility model is:
A kind of pulsating heat pipe radiator with micro-channel, it comprises and bends integrated evaporator section, adiabatic section and condensation segment by capillary, condensation segment is connected with by threeway and vacuumizes/liquid injection port, it is characterized in that the internal face of described capillary has micro-channel structure, the size of micro-channel structure is tens of to hundreds of micron dimension.
Described micro-channel structure is covered with the whole internal face of capillary, is formed by the mode of surperficial mechanical treatment, corrosion or sintering.
The shape of cross section of the micro-channel structure in described capillary is square, rectangle, triangle, ellipse or trapezoidal.
The tooth depth of described triangle micro-channel structure
e=0.14 mm, addendum angle
β=40 °, tooth root is wide
t b=0.102 mm.
The length direction of described micro-channel structure and axis of bore are to parallel or be arranged in twist on capillary tube inner wall.
Fill pure water, alcohol solution in described capillary or from wetting liquid working medium, volume liquid filled ratio is 30 ~ 70%.
Described capillary bends to snakelike or oval, circular configuration.
The beneficial effects of the utility model:
The utility model is simple in inheriting tradition pulsating heat pipe structure, heat-transfer capability is strong, be easy to the advantage such as miniaturized while, mainly also have the following advantages or effect compared with existing pulsating heat pipe technology:
(1) while inheriting tradition pulsating heat pipe basic function, working medium can be realized by the spontaneous backflow effect of condensation segment to evaporator section by the capillarity of internal face micro-channel structure, realize the function of similar general heat pipe liquid-sucking core.This to avoiding the dryouting of evaporator section under high hot-fluid load condition, to improve heat transport limitation very favourable, enhance stability during pulsating heat pipe work, improve heat transfer property.Meanwhile, this microflute capillarity is also beneficial to the operation realized under pulsating heat pipe level or antigravity heating mode, and traditional pulsating heat pipe is then difficult to realize this effect in the less situation of elbow quantity.
(2) at evaporator section position, micro-channel structure more easily realizes the nucleate boiling of liquid working substance compared with light pipe, increases unit are vaporization nucleus calculation, is beneficial to the startup realizing pulsating heat pipe at a lower temperature; Also will increase the contact area of liquid-vaqor interface area and working medium and heat pipe inner wall face simultaneously, reach the effect strengthening flow boiling and heat transfer further.And at condensation segment position, the most advanced and sophisticated boss of micro-channel structure can effectively reduce condensate film thickness under surface tension effects, significantly strengthen condensing heat-exchange ability.Therefore, compared with common pulsating heat pipe, in band, overall flow phase transformation (boiling and the condensation) heat transfer coefficient of micro-channel structure pulsating heat pipe working medium in running is higher, and the heat-transfer capability of heat pipe is also stronger.
In addition, micro-channel capillary structure suitability for secondary processing is better compared with granular imbibition cored structure, in the process such as bending, flattening, and the phenomenon that there will not be similar granular imbibition cored structure and wall to peel off even entirety to come off, processing cost is lower, and dependability is stronger.
The micro-channel structure pulsating heat pipe that the utility model proposes, wide, the dark size of conduit is tens of to hundreds of micron, and heat pipe hydraulic diameter is several millimeters, and therefore conduit size differs over one hundred times with internal diameter.Although its internal working medium needs to overcome larger flow resistance than light-pipe structure in micro-channel pulsating heat pipe running, increase limited extent, can substantially ignore compared with heat conduction reinforced effect.
Accompanying drawing explanation
Fig. 1 is the pulsating heat pipe apparatus structure schematic diagram of micro-channel structure in the utility model band.
Fig. 2 is the copper capillary tube cross sectional representation of the pulsating heat pipe device of micro-channel structure in the utility model band
In Fig. 1,1,2 and 3 are respectively the micro-channel structure pulsation evaporator section of heat-generating pipe, adiabatic section and condensation segment in band, and 4 is threeway.In Fig. 2,5 is the cross sectional representation of a microflute deferent, and 6 is microflute deferent cross section partial enlarged drawing, wherein
efor tooth depth,
sbe two tooth pitches from,
βfor addendum angle,
t wfor thickness of pipe wall,
t bfor tooth root is wide.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment one.
As shown in Figure 1.
With a pulsating heat pipe radiator for micro-channel, it comprises by capillary is the integrated evaporator section of serpentine bend, adiabatic section and condensation segment, as shown in Figure 1.Condensation segment is connected with by threeway and vacuumizes/liquid injection port, the internal face of described capillary has the micro-channel structure formed by the mode of surperficial mechanical treatment, corrosion or sintering, the size of micro-channel structure is tens of extremely hundreds of micron dimension and is covered with the whole internal face of capillary, and the shape of cross section of micro-channel structure is rectangle, triangle or trapezoidal.The length direction of micro-channel structure both can adopt with axis of bore to parallel mode, and spiral way also can be adopted to be arranged on capillary tube inner wall.Fill pure water, alcohol solution in capillary or from wetting liquid working medium, volume liquid filled ratio is 30 ~ 70%.
embodiment two.
As depicted in figs. 1 and 2, the copper capillary tube integrated shaping that a kind of pulsating heat pipe device with interior micro-channel structure of the utility model embodiment is processed with micro-channel structure primarily of internal face completes, and comprises evaporator section 1, adiabatic section 2, condensation segment 3 and vacuumizes/fluid injection threeway 4.Realize vacuumizing the injection with working medium by threeway 4, threeway connects into entirety by the cementing method of high temperature and the two-port of copper capillary tube, formation pulsating heat pipe loop.In the present embodiment, in pulsating heat pipe, fill the pure water of 50% volume fraction.
In Fig. 2, the overall diameter of copper capillary tube
d=5 mm, wall thickness
t w=0.21 mm, internal face tooth depth
e=0.14 mm, addendum angle
β=40 °, tooth root is wide
t b=0.102 mm, helical angle
α=18 °, tooth bar number
n=40, the copper capillary tube hydraulic diameter formed thus is about 2.81 mm.
Before filled working medium, process need be vacuumized to the described pulsating heat pipe device with interior micro-channel structure by liquid injection port, after inner incoagulable gas is fully got rid of, a certain amount of pure water can be filled, then liquid injection port is sealed, the pulsating heat pipe cooling device with interior micro-channel structure can be obtained.The evaporator section of pulsating heat pipe is directly connected with high power heater members, when heater members transfers heat to the working medium in evaporator section micro-channel, heat absorption is seethed with excitement and is continued to produce bubble by working medium, bubble parameters, gathering, expansion promote the vapour of surrounding afterwards, liquid fills in row unstable oscillation campaign, heat by the Movement transmit of vapour, liquid plug to the condensation segment of pulsating heat pipe, pass to surrounding environment at this place by the mode of free convection or forced convection (air-cooled or liquid cooling), realize cooling effect.Deaeration, liquid plug are outside the oscillating movement of heat pipe cold hot arc, condensate liquid also has the spontaneous trend to hot junction flowing under the effect of micro-channel capillary force, be beneficial to the operation realized under pulsating heat pipe level or antigravity heating mode, and effectively can improve the heat transport limitation of pulsating heat pipe evaporator section under high heat load, avoid the generation of dryouting phenomenon, strengthen the heat transfer property of pulsating heat pipe, operation stability and environmental suitability thus.
embodiment three.
As shown in Figure 1 and Figure 2, with embodiment 1, difference is, interior its length direction of micro-channel structure of pulsating heat pipe is along the axial direction of capillary, and namely helical angle is 0 °.In the present embodiment, have 40 micro-channel, equidistant circle distribution shown in Fig. 2, the hydraulic diameter of corresponding copper capillary tube is 2.95 mm.
embodiment four.
With embodiment 1, embodiment 2, difference is, the shape of interior micro-channel cross section is rectangle, and the hydraulic diameter of corresponding copper capillary tube is 2.39 mm.
embodiment five.
With embodiment 1, embodiment 2, difference is, the shape of interior micro-channel cross section is triangle, has 141 micro-channel in copper capillary tube, and the hydraulic diameter of corresponding copper capillary tube is 1.256 mm.
embodiment six.
With embodiment 1, embodiment 2, difference is, fill the n-butanol aqueous solution of 50% volume fraction, its mass concentration is 1.0%.
embodiment seven.
With embodiment 1, embodiment 2, difference is, fill the ethanol water of 50% volume fraction, the volume ratio of second alcohol and water is 1:13.
It is illustrating for the feasible embodiment of the utility model that upper example describes in detail, and this embodiment is also not used to limit the scope of the claims of the present utility model.Wherein, the elbow number of pulsating heat pipe can adjust according to actual needs, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the scope of the claims of this case.
The utility model does not relate to the part prior art that maybe can adopt all same as the prior art and is realized.
Claims (7)
1. the pulsating heat pipe radiator with micro-channel, it comprises and bends integrated evaporator section, adiabatic section and condensation segment by capillary, condensation segment is connected with by threeway and vacuumizes/liquid injection port, it is characterized in that the internal face of described capillary has micro-channel structure, the size of micro-channel structure is tens of to hundreds of micron dimension.
2. the pulsating heat pipe radiator of band micro-channel according to claim 1, is characterized in that described micro-channel structure is covered with the whole internal face of capillary, is formed by the mode of surperficial mechanical treatment, corrosion or sintering.
3. the pulsating heat pipe radiator of band micro-channel according to claim 1, is characterized in that the shape of cross section of the micro-channel structure in described capillary is square, rectangle, triangle, ellipse or trapezoidal.
4. the pulsating heat pipe radiator of band micro-channel according to claim 3, is characterized in that the tooth depth of described triangle micro-channel structure
e=0.14 mm, addendum angle
β=40 °, tooth root is wide
t b=0.102 mm.
5. the pulsating heat pipe radiator of band micro-channel according to claim 1, is characterized in that the length direction of described micro-channel structure and axis of bore are to parallel or be arranged in twist on capillary tube inner wall.
6. the pulsating heat pipe radiator of band micro-channel according to claim 1, is characterized in that described capillary interior filled pure water, alcohol solution or from wetting liquid working medium, volume liquid filled ratio is 30 ~ 70%.
7. the pulsating heat pipe radiator of band micro-channel according to claim 1, is characterized in that described capillary bends to snakelike or oval, circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055891.0U CN204514143U (en) | 2015-01-27 | 2015-01-27 | With the pulsating heat pipe radiator of micro-channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520055891.0U CN204514143U (en) | 2015-01-27 | 2015-01-27 | With the pulsating heat pipe radiator of micro-channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204514143U true CN204514143U (en) | 2015-07-29 |
Family
ID=53712112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520055891.0U Active CN204514143U (en) | 2015-01-27 | 2015-01-27 | With the pulsating heat pipe radiator of micro-channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204514143U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634147A (en) * | 2015-01-27 | 2015-05-20 | 江苏中圣压力容器装备制造有限公司 | Pulsating heat pipe with micro-groove structure |
| CN105571366A (en) * | 2015-12-25 | 2016-05-11 | 南昌大学 | Pulsating heat pipe with tilt-angle communicating pipe structure |
| CN105864733A (en) * | 2016-05-26 | 2016-08-17 | 吉林大学 | Special-shaped heat pipe radiator for car lamp |
| CN106225539A (en) * | 2016-08-26 | 2016-12-14 | 江苏中圣压力容器装备制造有限公司 | A kind of three-dimensional pulsating heat pipe cooling chiller of band flat panel microchannel vaporizer |
| CN106643241A (en) * | 2016-11-27 | 2017-05-10 | 洛阳文森科技有限公司 | Compound-type efficient heat pipe and technology |
| CN107291977A (en) * | 2017-05-05 | 2017-10-24 | 华南理工大学 | A kind of nucleate boiling Micro-specimen analysis numerical computation method |
| CN108716870A (en) * | 2018-05-25 | 2018-10-30 | 浙江大学 | The temperature equalization system of cryogen thermally stratified layer under a kind of elimination microgravity |
| CN110470162A (en) * | 2019-08-20 | 2019-11-19 | 大连海事大学 | A kind of liquid metal steam cushion formula pulsating heat pipe |
| CN110913658A (en) * | 2019-11-19 | 2020-03-24 | 中通服咨询设计研究院有限公司 | Cabinet based on coupling of pulsating heat pipe and phase-change material |
| CN111457768A (en) * | 2020-03-24 | 2020-07-28 | 东南大学 | Be applied to frozen low temperature phase transition heat exchanger of cell vitrification |
| CN111720805A (en) * | 2020-07-17 | 2020-09-29 | 扬州大学 | High-power LED lamp heat abstractor |
| CN114427797A (en) * | 2022-03-08 | 2022-05-03 | 大连海事大学 | Pulsating heat pipe with variable heat insulation section |
| US20220299458A1 (en) * | 2019-08-20 | 2022-09-22 | Dalian Maritime University | Liquid metal high-temperature oscillating heat pipe and testing method |
-
2015
- 2015-01-27 CN CN201520055891.0U patent/CN204514143U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634147A (en) * | 2015-01-27 | 2015-05-20 | 江苏中圣压力容器装备制造有限公司 | Pulsating heat pipe with micro-groove structure |
| CN105571366A (en) * | 2015-12-25 | 2016-05-11 | 南昌大学 | Pulsating heat pipe with tilt-angle communicating pipe structure |
| CN105864733A (en) * | 2016-05-26 | 2016-08-17 | 吉林大学 | Special-shaped heat pipe radiator for car lamp |
| CN106225539A (en) * | 2016-08-26 | 2016-12-14 | 江苏中圣压力容器装备制造有限公司 | A kind of three-dimensional pulsating heat pipe cooling chiller of band flat panel microchannel vaporizer |
| CN106643241A (en) * | 2016-11-27 | 2017-05-10 | 洛阳文森科技有限公司 | Compound-type efficient heat pipe and technology |
| CN107291977A (en) * | 2017-05-05 | 2017-10-24 | 华南理工大学 | A kind of nucleate boiling Micro-specimen analysis numerical computation method |
| CN107291977B (en) * | 2017-05-05 | 2020-06-19 | 华南理工大学 | Nuclear boiling micro-liquid layer model numerical calculation method |
| CN108716870A (en) * | 2018-05-25 | 2018-10-30 | 浙江大学 | The temperature equalization system of cryogen thermally stratified layer under a kind of elimination microgravity |
| US20220299458A1 (en) * | 2019-08-20 | 2022-09-22 | Dalian Maritime University | Liquid metal high-temperature oscillating heat pipe and testing method |
| CN110470162A (en) * | 2019-08-20 | 2019-11-19 | 大连海事大学 | A kind of liquid metal steam cushion formula pulsating heat pipe |
| CN110913658A (en) * | 2019-11-19 | 2020-03-24 | 中通服咨询设计研究院有限公司 | Cabinet based on coupling of pulsating heat pipe and phase-change material |
| CN110913658B (en) * | 2019-11-19 | 2021-06-11 | 中通服咨询设计研究院有限公司 | Cabinet based on coupling of pulsating heat pipe and phase-change material |
| CN111457768B (en) * | 2020-03-24 | 2021-04-06 | 东南大学 | Be applied to frozen low temperature phase transition heat exchanger of cell vitrification |
| CN111457768A (en) * | 2020-03-24 | 2020-07-28 | 东南大学 | Be applied to frozen low temperature phase transition heat exchanger of cell vitrification |
| CN111720805A (en) * | 2020-07-17 | 2020-09-29 | 扬州大学 | High-power LED lamp heat abstractor |
| CN114427797A (en) * | 2022-03-08 | 2022-05-03 | 大连海事大学 | Pulsating heat pipe with variable heat insulation section |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204514143U (en) | With the pulsating heat pipe radiator of micro-channel | |
| CN104634147A (en) | Pulsating heat pipe with micro-groove structure | |
| Wei et al. | A study on a flat-plate type of solar heat collector with an integrated heat pipe | |
| TWI329184B (en) | Vapor chamber and manufacturing method thereof | |
| CN100513970C (en) | Pulsation type heat pipe | |
| CN103200803B (en) | A kind of heat radiation device for loop heat pipe having pool boiling | |
| CN100426494C (en) | Heat radiator of heat pipe | |
| CN100506004C (en) | Remote passive circulating phase-change heat-diffusing method and system | |
| US20100319884A1 (en) | Self-excited oscillating flow heat pipe | |
| CN101144694A (en) | Loop heat pipe | |
| TW201542995A (en) | Pulsating multi-pipe heat pipe | |
| CN102829660B (en) | Pulse heat pipe exchanger based on foamed materials | |
| CN101566748A (en) | Radiating module and backlight module adopting same | |
| CN102425966B (en) | Manufacturing method of nanoemulsion pulsating heat pipe | |
| CN105277026A (en) | Self-wetting fluid oscillatory flow heat pipe | |
| CN102984916A (en) | Circulating type radiator | |
| CN205066525U (en) | Heat pipe | |
| CN102116588B (en) | Evaporation and heat conduction device with micro passageway | |
| CN201306961Y (en) | Cascaded heat pipe | |
| CN201306960Y (en) | High-power loop type heat pipe radiating device | |
| CN105222628A (en) | Pulsating heat pipe | |
| CN107588671A (en) | Multi-tube type three-dimensional pulse heat pipe | |
| CN105571366A (en) | Pulsating heat pipe with tilt-angle communicating pipe structure | |
| RU2502931C2 (en) | Double-pipe heat exchanger | |
| CN2593364Y (en) | Evaporative heat-transfer tube type radiator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |