CN103002713A - Integrated fan motor and controller housing - Google Patents
Integrated fan motor and controller housing Download PDFInfo
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- CN103002713A CN103002713A CN2012103405566A CN201210340556A CN103002713A CN 103002713 A CN103002713 A CN 103002713A CN 2012103405566 A CN2012103405566 A CN 2012103405566A CN 201210340556 A CN201210340556 A CN 201210340556A CN 103002713 A CN103002713 A CN 103002713A
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- fan
- electronic unit
- conduit
- cooling
- inner space
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Abstract
An electronics cooling system comprises a tubular fan duct and an electronics housing. The fan duct includes has a fan duct casing containing a fan with rotor blades and stator vanes. The electronics housing is mounted directly on the tubular fan duct, such that the electronics housing and the fan duct casing together enclose an interior space. A cooling airflow path extends from a high-pressure region of the tubular fan duct, through an inlet hole into the interior space, and out a bleed hole into a surrounding environment. The electronics cooling system further comprises three electronics mounts within the interior space. A first electronics mount is located immediately adjacent to the inlet hole, on the fan duct. A second electronics mount is located immediately radially outward of the stator vanes, on the fan duct. A third electronics mount is located immediately adjacent to the bleed hole, on the housing.
Description
The cross reference of related application
The application is the partial continuous application of the U.S. Patent application No. 13/050509 of submission on March 17th, 2011, incorporates by reference this U.S. Patent application at this.Also incorporate by reference the U.S. Patent application No. 13/052837 that the people such as Pal submitted on March 21st, 2011 into.
Technical field
Relate generally to electronic device cooling of the present invention, and relate more specifically to cool off for the air of fan motor controller.
Background technology
Fan is generally used for dispersing heat from electronic unit, avoids thus the inefficacy of parts and the life-span of prolongation parts.Electronic unit in some aircrafts (comprising motor controller) is usually located in the motor controller housing that is installed on the blower-casting.Routinely, the air stream that circulates with near fan cools off the electronic device that is installed in these motor controller housings.Some this cooling systems turn to the zone of relatively cold air from the fan conduit in fan downstream, and make this air through housing, and then the floss hole place in housing is discharged into it in environment.Other conventional cooling systems suck the air that is used for cooling by means of the outlet in the case from environment, and by means of air flue housing are passed through in this air suction, and this air flue is close to the zone of the fan conduit of upstream from the housing to the fan.In aircraft, it can be the part of air manager system that the fan of cooling-air stream is provided.Compare total air stream volume of fan, the amount of air that is used for cooling usually little (usually 2% magnitude), thus can not upset normal fan functionality, for example cabin or washroom air circulation or be used for the electronic compartment cooling.
Conventional fan motor controller assemblies comprises the box-like fan motor controller housing with flat pedestal, and this flat base is installed to adjacent cylindrical fan conduit via the hot interface of centre, and this has increased cost and the weight of total assembly.In addition, many fan motor controller housings comprise near the mechanical fin that is arranged in the high heat parts, to increase cooling surface area.These fins have also increased cost and the weight of total assembly.
Usually expectation is that taking up room of fan motor controller hardware is as far as possible little.Yet any increase of the packaging density of heating electronic device is all so that be necessary heat radiation is improved accordingly, to avoid excessive component degradation.Therefore, need a kind of fan motor controller housing that can in the situation of lower cost and weight, increase cooling.
Summary of the invention
The present invention relates to a kind of electronic device cooling system, it comprises tubulose fan conduit and electronics housing.Described tubulose fan conduit has the fan conduit case, and described fan conduit case holds fan, and described fan has rotor blade and stator vanes.Described electronics housing is directly installed on the described tubulose fan conduit, so that described electronics housing and described fan conduit case have sealed the inner space together.The cooling-air flow path extends into described inner space and from porus excretorius out and enter surrounding environment from the high pressure zone of described tubulose fan conduit by the ingate.Described electronic device cooling system also comprises three electronic device supports that are installed in the described inner space.The first electronic device support is positioned to be close to described ingate, is positioned on the described fan conduit.The second electronic device support is positioned at next-door neighbour's radial outside of described stator vanes, is positioned on the described fan conduit.The 3rd electronic device support is positioned to be close to described porus excretorius, is positioned on the described housing.
Description of drawings
Fig. 1 is the perspective view of fan motor controller assemblies.
Fig. 2 is the cutaway view of the fan motor controller assemblies of Fig. 1.
Fig. 3 is the perspective view of fan conduit of the fan motor controller assemblies of Fig. 1.
Fig. 4 is the transparent perspective view of the fan motor controller assemblies of Fig. 1, shows the parts in the fan motor controller housing.
Fig. 5 A and 5B are the perspective views of a panel of the fan motor controller housing of Fig. 4.
Fig. 6 is the transparent perspective view of another panel of the fan motor controller housing of Fig. 1.
Embodiment
Fig. 1 is the perspective view of fan motor controller assemblies 10.Fan motor controller assemblies 10 comprises housing 12 and fan conduit 14.Housing 12 is box like structure of holding the motor controller electronic unit, and described electronic unit produces heat.Housing 12 is formed by rigidity, Heat Conduction Material, for example aluminium.Fan conduit 14 is the substantially cylindrical conduits that hold the fan (see figure 2), and this fan drives air along airflow direction when activating, and produces thus the zone (seeing Fig. 2 below) of high and low relative pressure in fan conduit 14.Fan conduit 14 can for example be the aluminum tubular conductor for the aircraft air manager system, such as cabin or washroom air conduit or electronic device cooling-air source.
As shown in the figure, housing 12 is by a top panel 16, two front/rear panels 18 and two five structures that side panel 20 forms.Top panel 16 and side panel 20 are rectangle substantially, and front/rear panel 18 is shaped as the cylindrical of the adjacently situated surfaces that meets fan conduit 14.In the embodiment shown, front/rear panel 18 panel that is eight faces.In other embodiments, front/rear panel 18 can have other shapes on the surface that meets fan conduit 14.In certain embodiments, as two side panels 20, the two also is identical for front/rear panel 18.In other embodiments, each panel can show little difference, for example in the position of cooling or attachment hole (below discussion).The same with fan conduit 14, panel 16,18 and 20 is formed by the rigidity heat conductor, for example aluminum or aluminum alloy.In certain embodiments, each panel 16,18 or 20 is independent parts.In other embodiments, panel 16, some subsets of 18 and 20 can be cast or the single-piece that becomes welded together.
Fig. 2 is the cutaway view of motor controller assembly 10 that passes the cutting line 2-2 of Fig. 1.As described above, motor controller assembly 10 comprises housing 12 and fan conduit 14.Fan conduit 14 comprises rotor blade 22 and the stator vanes 24 that is positioned at conduit enclosure 26.Although only show the one-level of rotor blade 22 and stator vanes 24, some embodiment can comprise the multistage rotor blade that replaces and stator vanes.Discuss about Fig. 1 as top, housing 12 has by conduit enclosure 26 and panel 16,18 and 20 inner spaces that form 28.In certain embodiments, as shown in Figure 3 and following described about Fig. 3, the part of the restriction inner space 28 of conduit enclosure 26 comprises substantially flat surface, and it has departed from the substantial cylindrical shape of fan conduit 14.Fan conduit 14 is called ingate 30 jointly by ingate 30a and 30b() by fluid be connected to inner space 28, and inner space 28 by porus excretorius 32 by fluid be connected to environment.Ingate 30 is by the outside casting of fan conduit 14 or the hole that gets out in the high pressure position.Air deflection from ingate 30 goes out fan conduit 14 and enters inner space 28 with cooling electronic device.A plurality of porus excretoriuses 32 are positioned on panel 18 and 20, discharge air with space internally 28.About Fig. 4,5A, 5B and 6 described, porus excretorius 32 is located to aspirate air dexterously passes through electronic unit as following.The air that is turned to from fan conduit 14 by ingate 30a and 30b enters and circulates and spreads all over inner space 28, thereby cools off the electronic unit in it, then leaves by porus excretorius 32.Air is discharged to surrounding environment (being in low relative pressure) from porus excretorius 32.In certain embodiments, porus excretorius 32 also can be present in the panel 16.
The air that turns to from fan conduit 14 through and flow around ATRU 102, direct air cooling is provided.In one embodiment, described such as U.S. Patent application No. 13/050509, ATRU 102 can be by the light weight transformer that is installed in the support construction supports on the conduit enclosure 26, and the application is the partial continuous application of this U.S. Patent application.In other embodiments, ATRU 102 can be the conventional transformer assembly in the hot potting.ATRU 102 comprises air duct, can pass this air duct with cooling ATRU 102 from the air in the high pressure zone of fan conduit 14.In certain embodiments, these air ducts and ingate 30b converge, so that the low relative pressure of inner space 28() and the high pressure zone (high relative pressure) of fan conduit 14 between pressure differential suction air pass through ATRU 102.
By IGBT module 100 and ATRU 102 are directly installed on the fan conduit case 26, fan motor controller assemblies 10 provides sufficient cooling can for two parts, and does not rely on the heavy hot interface between electronic unit and the fan conduit 14.In addition, stator vanes 24 is used as cooling fins so that need not independently finned heat exchanger, thereby in the situation that does not reduce cooling capacity, further reduces quality.
Fig. 3 is the perspective view of fan conduit 14, shows fan conduit case 26, and it has ingate 30(and includes oral pore 30a and ingate 30b), flat bearing 34, hot interface 36 and attachment hole 38.Describe about Fig. 1 and 2 as top, fan conduit case 26 has formed the outside of fan conduit 14, and ingate 30 provide by inner space 28(see Fig. 2) cooling-air stream.Attachment hole 38 is rivet hole or screw hole, and it allows front/rear panel 18 and side panel 20 to be bolted to fan conduit case 26.In certain embodiments, by backing out bolt or screw from attachment hole 38, some panels 18 and 20 can be removable.As previously mentioned, some panels 18 and 20 appropriate locations that can be welded on the fan conduit case 26.
Flat bearing 34 is provided for the conduction platform such as the electronic unit of IGBT 100 and ATRU 102.By flat bearing 34 is casted in the fan conduit case 26, fan motor controller assemblies 10 can be avoided using conventional, electronic device platform that separate, flat, and it is connected to the cylindrical surface of fan conduit case 26 by heavy hot interface.Therefore, flat bearing 34 provides the more directly conduction cooling of electronic unit, and allows simultaneously to reduce the gross mass of fan motor controller assemblies 10.Some embodiment of fan motor controller assemblies 10 also comprise one or more hot boundary layers 36, and it can for example be conventional conductive material (for example, Thermstrate) heat pad.Hot boundary layer 36 is thin and light weight, and has formed the hot interface between electronic unit and the fan conduit case 26, and it can significantly not increase the quality of fan motor controller assemblies 10.
Fig. 4 is the transparent perspective view of fan motor controller assemblies 10, show and be installed in the parts that are in the inner space 28 on panel 18 and 20, comprise IPT 104, inductor 106, differential mode (DM) inductor 108, resistor 110, capacitor 112 and a plurality of printed substrate and other electronic units.As described previously, fan motor controller assemblies 10 comprises housing 12 and fan conduit 14.Housing 12 is formed by top panel 16, two front/rear panels 18 and two side panels 20, and is comprised porus excretorius 32a, 32b, 32c and 32d by porus excretorius 32() penetrate.IPT 104 and inductor 106 are installed on the front/rear panel 18, and DM inductor 108, resistor 110 and capacitor 112 are installed on the side panel 20.These parts are by the heat loss through conduction by panel 18 or 20 and flow through or the direct air stream that passes electronic unit cools off.Some parts (for example capacitor 112) need few cooling or do not need cooling.Miscellaneous part (for example IPT 104 and inductor 106) a large amount of heat that must be able to dissipate is to minimize the degeneration of parts.Porus excretorius 32 in the panel 16,18 and 20 internally space 28 is discharged air, produces thus from fan conduit 14 by the continuous cooling air stream inner space 28 and the entered environment.Particularly, porus excretorius 32a discharges air by top panel 16, and porus excretorius 32b and 32c see following Fig. 5 A and 5B by front/rear panel 18() discharge air, and porus excretorius 32d sees following Fig. 6 by side panel 20() the discharge air.Porus excretorius 32b is positioned at the installation site of IPT 104 and passes through IPT 104 with the suction air, so that the direct air that obtains to strengthen cools off.Porus excretorius 32c is positioned at the installation site of inductor 106 to aspirate similarly air by inductor 106, in order to obtain direct air cooling.Porus excretorius 32d is positioned near the fan conduit 14, and provides air stream to pass through side panel 20, but is not positioned at the installation site of DM inductor 108 or resistor 110, because these parts are compared IPT 104 or inductor 106 needs less cooling.In a word, porus excretorius 32 suction air are by the electronic unit of maximum heats that must dissipate, and are installed in miscellaneous part on the panel 16,18 and 20 only by in inner space 28 and the general air stream cooling by inner space 28.Therefore, porus excretorius 32 is provided to provide directly by air stream by the parts that need most cooling dexterously.In the embodiment shown, porus excretorius 32a, 32b and 32d and ingate 30a are that diameter is the circular hole of 0.2 inch (5.1 mm), porus excretorius 32c is that diameter is the circular hole of 0.125 inch (3.2 mm), and ingate 30b is the kidney shape hole of 0.312 * 0.188 inch (7.9 * 4.8 mm).In nature, the size of ingate 30 is selected in the situation of the operation that does not weaken fan and provides sufficient cooling-air stream by making superfluous air diverts for the motor controller electronic device.Ingate 30 only makes by about 2% of the air stream of fan conduit 14 and turns to, and this impact for the operation of fan can be ignored.Although the size of porus excretorius 32 is not crucial, the two must be enough stopped up ingate 30 and porus excretorius 32 by dust or chip avoiding greatly, and enough little so that air stream concentrates on around the heat production electronic device.Secondly, porus excretorius 32 provides the device that is used for discharging from fan motor controller assemblies 10 moisture between the starting period.
Fig. 5 A and 5B are the perspective views of a front/rear panel 18 of housing 12.Fig. 5 A shows the external view of front/rear panel 18, and Fig. 5 B shows the inboard of front/rear panel 20.Front/rear panel 18 has porus excretorius 32b and 32c, and supports IPT 104 and inductor 106.
Each IPT 104 comprises a plurality of winding cores 114, and a plurality of winding cores 114 are separated by space 116, and space 116 overlaps with porus excretorius 32b.Environment (low relative pressure) and the high relative pressure of inner space 28() between pressure differential aspirate cooling-air and go out by space 116 and via porus excretorius 32b.With respect to for the convection current cooling of the general air circulation in the inner space 28, this directly provides the cooling that strengthens by the air stream of IPT 104.
Front/rear panel 18 comprises inductor support 40, also is platform, and inductor 106 is attached to inductor support 40 in order to cool off.Inductor support 40 comprises a plurality of inductor air flues 42, and it extends to porus excretorius 32c in space 28 internally.Air is flowed out porus excretorius 32c by internally space 28 suctions by air flue 42 and by the pressure differential between environment previously discussed and the inner space 28.With respect to for the convection current cooling of the general air circulation in the inner space 28, cooling-air provides the cooling of enhancing for inductor 106 by flowing of inductor air flue 42.
Fig. 6 is the transparent perspective view of a side panel 20 of housing 12.Side panel 20 has porus excretorius 32d and supports DM inductor 108, resistor 110 and capacitor 112.Capacitor 112 produces insignificant heat.DM inductor 108 and resistor 110 are substantial heat production devices, and it must be cooled to avoid parts damages and minimize degeneration.Be different from IPT 104 or inductor 106, DM inductor 108 and resistor 110 are only cooled off by the recycled air stream in the inner space 28; Porus excretorius 32d is positioned near the intersection of side panel 20 and fan conduit case 26, thereby does not aspirate cooling-air by DM inductor 108 or resistor 110.In the alternate embodiment of the extra cooling of expectation, such as what describe about the porus excretorius 32b among Fig. 5 A and the 5B and 32c, electronic unit and porus excretorius 32d can be relocated to overlap.In the embodiment shown, porus excretorius 32a, 32b, 32c and 32d provide the air circulation by the inner space jointly, the electronic unit of its direct cooling heat producing.Air circulation by the inner space.
Fan motor controller assemblies 10 provides convection current and conduction cooling for electronic unit, and described electronic unit comprises IGBT module 100, ATRU 102, IPT 104, inductor 106, DM inductor 108 and resistor 110.Hotter parts are by being guided through these parts or near the cooling of the air stream these parts via ingate 30a and 30b and porus excretorius 30b and 30c.IGBT module 100 and ATRU 102 produce maximum heats of the electronic unit in the fan motor controller assemblies 10, and contact with fan conduit case 26 direct heat of fan conduit 14, wherein, stator vanes 24 is served as cooling fins to dispel the heat at large surface area.The position of the parts in the fan motor controller assemblies 10, ingate and porus excretorius provides the cooling that strengthens in terms of existing technologies, and in the situation that reduces weight parts is concentrated in the less space simultaneously.
Although described the present invention with reference to (one or more) example embodiment, it will be appreciated by those skilled in the art that and to make in the case without departing from the scope of the present invention various changes and can replace its element with equivalent.In addition, in the situation that does not deviate from essential scope of the present invention, can make many modifications so that concrete condition or material adapt to instruction of the present invention.Therefore, anticipate and seek for, the invention is not restricted to disclosed (one or more) specific embodiment, but the present invention will comprise falling all embodiment within the scope of the appended claims.
Claims (20)
1. electronic device cooling system comprises:
The tubulose fan conduit, it has the fan conduit case, and described fan conduit case holds fan, and described fan has rotor blade and stator vanes;
Electronics housing, it is directly installed on the described tubulose fan conduit, so that described electronics housing and described fan conduit case have sealed the inner space together;
Enter described inner space and from porus excretorius out and enter the cooling-air flow path of surrounding environment from the high pressure zone of described tubulose fan conduit by the ingate;
The first electronic device installation site, it is positioned on the described fan conduit, in described inner space and be close to described ingate;
The second electronic device installation site, it is positioned on the described fan conduit, in described inner space and radially closely outside from described stator vanes; With
The 3rd electronic device installation site, it is positioned on the described housing, in described inner space and be close to described porus excretorius.
2. electronic device cooling system as claimed in claim 1, wherein, guiding cooling air stream in described ingate is directly by being installed in the electronic device of described the first electronic device installation site.
3. electronic device cooling system as claimed in claim 1, wherein, described stator vanes is served as cooling fins, its from the dissipation from electronic devices that is installed in described the second electronic device installation site to the main air flow path of described fan.
4. electronic device cooling system as claimed in claim 1, wherein, described porus excretorius suction cooling-air is directly by being installed in the electronic device of described the 3rd electronic device installation site.
5. electronic device cooling system as claimed in claim 1, wherein, described the 3rd electronic device installation site be positioned at described porus excretorius on the platform of process, so that described porus excretorius suction cooling-air is installed in the electronic device of described the 3rd installation site with cooling by described platform.
6. fan motor controller assemblies comprises:
The tubulose fan conduit, it has the fan conduit case, and described fan conduit case holds fan, and described fan has rotor blade and stator vanes;
Electronics housing, it is directly installed on the described tubulose fan conduit, so that described electronics housing and described fan conduit case have sealed the inner space together;
A plurality of ingates, it passes described tubulose fan conduit, with the high pressure regional fluid of described tubulose fan conduit be connected to described inner space;
A plurality of porus excretoriuses, it passes described electronics housing, with described inner space fluid be connected to environment, form thus from described tubulose fan conduit by described ingate to described inner space and come out to the air flow path of surrounding environment from described porus excretorius; And
Be arranged in a plurality of electronic units in the described inner space, described a plurality of electronic units comprise:
The first electronic unit, it is installed on the described tubulose fan conduit, and by adopting described stator vanes to serve as cooling fins with in the main air flow flow path that rejects heat to described fan and cooled off by described fan conduit with conducting; With
The second electronic unit, it is installed on the described electronics housing, is arranged at least one position of described porus excretorius, and via the air stream by described porus excretorius by the cooling of convection current ground.
7. fan motor controller assemblies as claimed in claim 6, wherein, described a plurality of electronic unit also comprises the 3rd electronic unit, described the 3rd electronic unit is installed on the described tubulose fan conduit, be arranged at least one position of described ingate, and via the air stream by described ingate by the cooling of convection current ground.
8. fan motor controller assemblies as claimed in claim 7, wherein, at least a portion of the described fan conduit case that described electronics housing is mounted thereon forms flat bearing, and wherein, described the first electronic unit and described the 3rd electronic unit are installed on the described flat bearing.
9. fan motor controller assemblies as claimed in claim 7, wherein, described the 3rd electronic unit closely is installed in the described ingate at least one, so that the air that enters described inner space is directly through described the 3rd electronic unit.
10. fan motor controller assemblies as claimed in claim 7, wherein, described the 3rd electronic unit is the autotransformer rectifier unit.
11. fan motor controller assemblies as claimed in claim 6, wherein, described the first electronic unit is insulated gate bipolar transistor module.
12. fan motor controller assemblies as claimed in claim 6, wherein, described the second electronic unit is in inductor and the transformer.
13. fan motor controller assemblies as claimed in claim 6, wherein, described the second electronic unit closely is installed in the described porus excretorius at least one, so that leave the air of described inner space directly through described the second electronic unit via described porus excretorius.
14. fan motor controller assemblies as claimed in claim 6, wherein, described the second electronic unit is attached at least one platform that extends through in the described porus excretorius, so that leave the described platform of air process of described inner space to cool off described the second electronic unit via described porus excretorius.
15. fan motor controller assemblies as claimed in claim 6, wherein, described the first electronic unit is installed in the just radial outside of described stator vanes.
16. a method that is used for the electronic unit in cooled interior space, described inner space is formed between electronics housing and the fan conduit, and described fan conduit has carried rotor blade and stator vanes, and described method comprises:
Air is drawn into the described inner space by the ingate and by the first electronic unit from described fan conduit, and described the first electronic unit is installed on the described fan conduit and is positioned to be close to described ingate;
Air is discharged into the surrounding environment from described inner space by porus excretorius and by the second electronic unit, and described the second electronic unit is installed on the electronics housing and is positioned to be close to described porus excretorius; And
By described stator vanes being used as cooling fins to reject heat to by cooling off the 3rd electronic unit in the main air flow of described fan conduit, described the 3rd electronic unit is installed on the described fan conduit and is positioned at next-door neighbour's radial outside of described stator vanes with conducting.
17. method as claimed in claim 16, wherein, enter described inner space and formed cooling-air stream via the air that described porus excretorius leaves via described ingate, described cooling-air stream is from the heat radiation of quadrielectron parts, and described quadrielectron parts are installed in the described inner space and still are not positioned on described ingate or the described porus excretorius.
18. method as claimed in claim 17, wherein, other ingates and other porus excretoriuses with the electronic unit vicinity do not help described cooling-air stream.
19. method as claimed in claim 16, wherein, described the first electronic unit is the autotransformer rectifier unit.
20. method as claimed in claim 16, wherein, described the second electronic unit is insulated gate bipolar transistor module, and described the 3rd electronic unit is one in inductor or the transformer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/233855 | 2011-09-15 | ||
| US13/233,855 US8593808B2 (en) | 2011-03-17 | 2011-09-15 | Integrated fan motor and controller housing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103002713A true CN103002713A (en) | 2013-03-27 |
| CN103002713B CN103002713B (en) | 2017-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210340556.6A Active CN103002713B (en) | 2011-09-15 | 2012-09-14 | Integrated fan motor and controller housing |
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| CN (1) | CN103002713B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104584A (en) * | 1992-09-09 | 1994-04-15 | Hitachi Ltd | Cooler for electronic component |
| CN101004178A (en) * | 2003-12-31 | 2007-07-25 | 奇鋐科技股份有限公司 | Fan with central inlet gas |
| CN101166409A (en) * | 2006-10-16 | 2008-04-23 | 英业达股份有限公司 | Liquid-cooling heat radiator |
| CN101321450A (en) * | 2007-06-08 | 2008-12-10 | 星普科技股份有限公司 | Method for accelerated cooling of thin type electronic device by air suction mode |
-
2012
- 2012-09-14 CN CN201210340556.6A patent/CN103002713B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06104584A (en) * | 1992-09-09 | 1994-04-15 | Hitachi Ltd | Cooler for electronic component |
| CN101004178A (en) * | 2003-12-31 | 2007-07-25 | 奇鋐科技股份有限公司 | Fan with central inlet gas |
| CN101166409A (en) * | 2006-10-16 | 2008-04-23 | 英业达股份有限公司 | Liquid-cooling heat radiator |
| CN101321450A (en) * | 2007-06-08 | 2008-12-10 | 星普科技股份有限公司 | Method for accelerated cooling of thin type electronic device by air suction mode |
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|---|---|
| CN103002713B (en) | 2017-03-01 |
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