CN101846479A - Fins for heat exchanger and heat exchanger using same - Google Patents
Fins for heat exchanger and heat exchanger using same Download PDFInfo
- Publication number
- CN101846479A CN101846479A CN200910119662A CN200910119662A CN101846479A CN 101846479 A CN101846479 A CN 101846479A CN 200910119662 A CN200910119662 A CN 200910119662A CN 200910119662 A CN200910119662 A CN 200910119662A CN 101846479 A CN101846479 A CN 101846479A
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- Prior art keywords
- windowing
- fin
- shutter
- spacing
- flow direction
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
- F28F1/128—Fins with openings, e.g. louvered fins
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/006—Preventing deposits of ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
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- 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
- F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Air-Flow Control Members (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses fins for a heat exchanger. A louver is formed on the fin. When the heat exchanger works, air serving as a heat exchange working medium sequentially flows by each window fin of the louver. The window space of the louver changes along the flow direction of the air, so that the window spaces on different parts of the louver are matched with the frosting amount on corresponding parts. By using the technical scheme of the invention, the window space on a part of the louver is matched with the frosting amount on a corresponding part, so that a sufficient space is remained between adjacent window fins to ventilate the air after the frost is formed on the louver; therefore, the air resistance cannot be increased obviously or the air quantity cannot be decreased obviously so as to bring the heat conduction performance of the fin into full play.
Description
Technical field
The present invention relates to a kind of heat exchanger, particularly relate to a kind of fin that is used for heat exchanger.
Background technology
Heat exchanger is the common components that is used for refrigeration system, air-conditioning system, divides according to its function, can be divided into condenser and evaporimeter or the like.In order to improve the heat exchange property of heat exchanger, inter alia, heat exchanger is equipped with fin usually.
Figure 1A and 1B illustrate a kind of traditional fin that is used for heat exchanger, and wherein Figure 1A is the plan view of fin, and Figure 1B is the cross section view along the intercepting of the B-B line among Figure 1A.
Fin is by having the material with good heat conductive performance to make such as aluminium alloy etc., and by aluminium alloy plate is processed type.Under the duty of heat exchanger, fin is by contacting with the wall of for example flat tube of heat exchanger etc., thereby realizes conducting heat between flat tube and fin.And fin carries out heat exchange with the outside working medium of the fin of flowing through, thereby realizes the heat exchange of heat exchanger and outside working medium.
Shown in Figure 1A and Figure 1B, fin 1 is formed with shutter 20, working medium for example the flow direction of air be on the left and right directions of Figure 1B, shutter can be divided into windward side and leeward side two parts.The fenestration of tradition fin is complete symmetry, and particularly, spacing and louver angle and shutter leeward side window spacing and the louver angle partly of windowing of shutter windward side part is identical from one another.When operation of heat exchanger, the flow air windward side part of at first flowing through, the leeward side part of then flowing through.
When micro-channel heat exchanger is used for heat pump outdoor unit, under the lower situation of outdoor environment temperature, can frosting on micro-channel heat exchanger outer surface and the fin.The frosting of fin windward side part is comparatively fast more, and the frosting of fin leeward side part is more less.Fin windward side part and fin leeward side partly window spacing and louver angle situation identical from one another under, because the frosting of fin windward side part is comparatively fast more, so the negotiable aisle spare of air that fin windward side part is respectively windowed between the sheet reduces.As its result, cause windage increase, the air quantity of windward side part to reduce, cause heat exchanger heat-transfer performance to descend.Like this, can not give full play to the heat transfer property of micro-channel heat exchanger.
In view of the problems referred to above of traditional fin, there is the demand of further improving the heat exchanger heat exchange property in the industry.
Summary of the invention
The objective of the invention is to overcome the defective that conventional art exists, a kind of fin that is used for heat exchanger is provided, it can improve the heat exchange property of heat exchanger, particularly under the situation of frosting on the fin.
Another object of the present invention provides a kind of heat exchanger that is equipped with according to fin of the present invention.
For achieving the above object,, provide a kind of fin that is used for heat exchanger, be formed with shutter on this fin, when described heat exchanger is worked, crossed the sheet of respectively windowing of described shutter as the air sequential flow of heat exchange working medium according to first aspect present invention; It is characterized in that the spacing of windowing of described shutter changes along the flow direction of air, make how much the adapting of frosting degree at window spacing and corresponding site place at shutter different parts place.
Preferably, the spacing of windowing that is positioned at the upstream along air-flow direction is more than or equal to the adjacent with it downstream spacing of windowing, and windows spacing greater than the adjacent with it downstream spacing of windowing to small part.
Preferably, the spacing of windowing of described shutter reduces continuously along air-flow direction.
Preferably, described shutter has constant louver angle, and the pitch of windowing of shutter reduces continuously along air-flow direction.
Preferably, described shutter has the constant pitch of windowing, and the louver angle of shutter reduces continuously along air-flow direction.
Preferably, described shutter is divided into a plurality of parts along air-flow direction, and each part has the constant spacing of windowing, and is positioned at the window spacing of spacing greater than adjacent with it downstream part of windowing of the part of upstream along air-flow direction.
Preferably, described a plurality of parts have identical louver angle, and the window pitch of pitch greater than adjacent with it downstream part of windowing that is positioned at the part of upstream along air-flow direction.
Preferably, described a plurality of parts have the identical pitch of windowing, and the louver angle of part that is positioned at the upstream along air-flow direction is greater than the louver angle of adjacent with it downstream part.
Preferably, described shutter is divided into windward side part that is positioned at the upstream and the leeward side part that is positioned at the downstream along the flow direction of air.
According to a further aspect of the invention, provide a kind of heat exchanger, it comprises according to the described fin of first aspect present invention.
Preferably, described heat exchanger is a micro-channel heat exchanger.
Adopt technical scheme of the present invention, how much adapting of the frosting degree at window spacing and corresponding site place by making a certain position of shutter, make after the shutter frosting, still leaving enough spaces between the sheet in adjacent windowing goes over for circulation of air, therefore, can not cause windage significantly to increase air quantity is obviously reduced, can give full play to the heat transfer property of fin thus.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in further detail, wherein
Figure 1A is a plan view, illustrates the traditional fin structure that is used for heat exchanger; Figure 1B is the cross section view along the intercepting of the B-B line among Figure 1A, illustrates the structure of traditional shutter;
Fig. 2 is the view that is similar to Figure 1A, illustrates the structure according to the shutter of first embodiment of the invention;
Fig. 3 is the view that is similar to Fig. 2, illustrates the structure according to the shutter of second embodiment of the invention;
Fig. 4 is the view that is similar to Fig. 2, illustrates the structure according to the shutter of third embodiment of the invention; And
Fig. 5 is the view that is similar to Fig. 3, illustrates the structure according to the shutter of fourth embodiment of the invention.
The specific embodiment
Below the fin that is used for heat exchanger of the present invention is described in detail.At this, should be pointed out that embodiments of the invention only are exemplary, it only is used to illustrate principle of the present invention and unrestricted the present invention.In addition, it will be apparent for a person skilled in the art that fin of the present invention can be used for comprising the heat exchanger of the various employing fins of micro-channel heat exchanger.
In the following description, same as the prior art or similar structure member will be given identical Reference numeral, and its description will give simply.
Adjacent two ventilation area of windowing between the sheet of shutter depend on adjacent two vertical ranges of windowing between sheet spacing of promptly windowing, the present invention considers the difference along the frosting state between the different parts of air-flow direction of shutter windward side part and leeward side part and windward side part and leeward side part, and a kind of shutter has been proposed, it can prevent the decline of heat exchanger heat exchange property under the situation of fin frosting.
First embodiment
At first referring to Fig. 2, it illustrates the structure according to the shutter of first embodiment of the invention.The frosting degree of considering each position of shutter under the lower situation of outdoor environment temperature reduces this fact gradually along air-flow direction, has adopted following solution according to the fin of first embodiment of the invention.
The adjacent pitch of windowing of windowing between the sheet of shutter reduces gradually along air-flow direction, and the louver angle of shutter remains unchanged, make the spacing d that windows of shutter reduce gradually along air-flow direction, i.e. d1＞d2＞d3＞d4＞d5＞d6＞d7＞d8 is shown in Fig. 2 signal.Adopt such structure, make how much the adapting of frosting degree at window spacing and corresponding site place at shutter different parts place: the position frosting that is positioned at the upstream with respect to air-flow direction is more, and correspondingly the adjacent spacing of windowing of windowing between the sheet at this position is bigger; And it is less to be positioned at the position frosting in downstream with respect to air-flow direction, and correspondingly the adjacent spacing of windowing of windowing between the sheet at this position is less.
By making shutter have above-mentioned fenestration, make in the adjacent spacing of windowing of windowing between the sheet of the more position shutter of shutter frosting correspondingly bigger, therefore can hold more frost, even thereby frosting is more, still leaves enough spaces between the sheet in adjacent windowing and go over for circulation of air; Along air-flow direction, because the frosting degree at each position of shutter reduces gradually, correspondingly the pitch of windowing of shutter reduces gradually, therefore makes that having kept the suitable sheet of windowing when not influencing the shutter rate of air circulation is provided with density.Therefore, adopt the fin of first embodiment of the invention, taken into account the ventilation area at each position of shutter under the frosting situation and the sheet of windowing be provided with density both, can under the situation of fin frosting, give full play to the heat transfer property of fin thus.
Second embodiment
Fig. 3 illustrates the fin according to second embodiment of the invention.In view of the frosting degree at each position of shutter reduces gradually along air-flow direction, adopted following solution according to the fin of second embodiment of the invention.
Adjacent the windowing of each of shutter windward side part adopted the first segment distance between the sheet, and second pitch less than the first segment distance is adopted in respectively windowing of shutter leeward side part between the sheet, and by making respectively the window louver angle of sheet of shutter keep identical, make the shutter windward side partly have unified first space D 1 of windowing, the shutter leeward side partly has unified second space D 2 of windowing, and first windows space D 1 greater than second space D 2 of windowing, as shown in Figure 3.Adopt such structure, make how much the adapting of frosting degree at window spacing and corresponding site place of shutter windward side part and leeward side part: the frosting of shutter windward side is more, and correspondingly the shutter windward side spacing of windowing partly is bigger; And the frosting of shutter leeward side is less, and correspondingly the spacing of windowing of shutter leeward side part is less.
By making shutter have a kind of like this fenestration, because it is correspondingly bigger in the spacing of windowing of the more windward side position shutter of frosting, therefore can hold more frost, thereby, still leave enough spaces between the sheet in adjacent windowing and go over for circulation of air even frosting is more.
Adopt the fin of second embodiment of the invention,,, cause heat exchange property to be lower than the leeward side part, increased, can significantly not reduce the circulation of air after the frosting because the windward side part can be held the space of frost though the pitch of windowing is bigger for windward side; And, correspondingly adopt the little pitch of windowing because frosting degree is few for leeward side, kept the suitable sheet of windowing density has been set.Therefore, the fin of second embodiment of the invention has been given full play to the heat transfer property of fin windward side and leeward side part.And, adopt the fin of second embodiment, because the shutter windward side partly adopts unified pitch and the leeward side of windowing partly to adopt the unified pitch of windowing, therefore for first kind of scheme, fin is processed relatively easily.
The 3rd embodiment
Fig. 4 illustrates the fin according to third embodiment of the invention.In view of the frosting degree at each position of shutter reduces gradually along air-flow direction, adopted following solution according to the fin of third embodiment of the invention.
Respectively the window louver angle α of sheet of shutter is reduced gradually along air-flow direction, be α 1＞α 2＞α 3＞α 4＞α 5＞α 6＞α 7＞α 8, and the adjacent pitch of windowing between the sheet of shutter keeps identical, make the adjacent spacing of windowing of windowing between the sheet of shutter reduce gradually, as shown in Figure 4.Adopt such structure, make how much the adapting of frosting degree at window spacing and corresponding site place of the adjacent sheet of windowing at shutter different parts place: it is more to be positioned at anterior position frosting with respect to air-flow direction, correspondingly thereby the big spacing that causes windowing of the louver angle of the sheet of windowing at this position is bigger, and it is less to be positioned at the position frosting at rear portion with respect to air-flow direction, thereby correspondingly the less spacing that causes windowing of the louver angle of the sheet of windowing at this position is less.
By making shutter have above-mentioned fenestration, be similar to first embodiment, make in the adjacent spacing of windowing of windowing between the sheet of the more position shutter of shutter frosting correspondingly bigger, therefore can hold more frost, even thereby frosting is more, still leaves enough spaces between the sheet in adjacent windowing and go over for circulation of air; And in the shutter windward side part of shutter, the sheet of windowing is provided with density and big do not window spacing and reduce because adopt.Therefore, adopt the fin of third embodiment of the invention, taken into account the ventilation area at each position of shutter under the frosting situation and the sheet of windowing be provided with density both, can give full play to the heat transfer property of fin thus.
The 4th embodiment
Fig. 4 illustrates the fin according to fourth embodiment of the invention.In view of the frosting degree at each position of shutter reduces gradually along air-flow direction, adopted following solution according to the fin of fourth embodiment of the invention:
The shutter windward side partly adopts the first louver angle α 1, and the shutter leeward side partly adopts the second louver angle α 2 less than the first louver angle α 1, and shutter adopts the unified pitch of windowing, make the shutter windward side partly have unified first spacing of windowing thus, the shutter leeward side partly has unified second spacing of windowing, and first windows spacing greater than second spacing of windowing, as shown in Figure 5.Adopt such structure, make how much the adapting of frosting degree at window spacing and corresponding site place of shutter windward side part and leeward side part: the frosting of shutter windward side part is more, and correspondingly the shutter windward side spacing of windowing partly is bigger; And the frosting of shutter leeward side part is less, and correspondingly the spacing of windowing of shutter leeward side part is less.
By making shutter have a kind of like this fenestration, because partly locate the spacing of windowing of shutter at the more windward side of frosting correspondingly bigger, therefore can hold more frost, thereby, still leave enough spaces between the sheet in adjacent windowing and go over for circulation of air even frosting is more.
Adopt the fin of fourth embodiment of the invention, for windward side, owing to louver angle is provided with density not because adopt the big spacing of windowing to reduce than big and the sheet of windowing, its heat transfer property is better; And, also can significantly not reduce the circulation of air after the frosting because the spacing of windowing is bigger, therefore given full play to the heat transfer property of fin.And, adopt the fin of the 4th embodiment, because the shutter windward side partly adopts unified louver angle and leeward side partly to adopt unified louver angle, therefore for the third scheme, fin is processed relatively easily.
According to as can be seen above, according to the present invention, how much adapting of the frosting degree at window spacing and corresponding site place by making a certain position of shutter, make after the shutter frosting, still leaving enough spaces between the sheet in any two adjacent windowing goes over for circulation of air, therefore, can not cause windage significantly to increase air quantity is obviously reduced, can give full play to the heat transfer property of fin thus.
Below describe the present invention in conjunction with the accompanying drawings and embodiments, but those skilled in the art are to be understood that, the foregoing description only is exemplary and nonrestrictive, under the conditions without departing from the spirit and scope of the present invention, can make all improvement to the foregoing description.
In the above-mentioned second and the 4th embodiment, fin is divided into windward side part and leeward side part along air-flow direction, and the adjacent spacing of windowing of windowing between the sheet all equates on each part.But the invention is not restricted to this, but can make various changes according to the principle of the invention, for instance:
Windward side part and leeward side one of partly or both can also further be divided into plurality of segments along air-flow direction, each segmentation has the constant spacing of windowing, and the spacing of windowing of adjacent each segmentation does not wait each other;
2. the spacing of windowing of one of windward side part and leeward side part reduces gradually along air-flow direction.
Windward side part and leeward side one of partly or both can further be divided into for example first and second segmentations along air-flow direction, one of first segmentation and second segmentation have the constant spacing of windowing, and another windowing spacing and reducing gradually along air-flow direction in first segmentation and second segmentation.
In above-mentioned first and second embodiment, the fin louver angle remains unchanged and only changes the adjacent spacing of windowing of windowing between the sheet by changing the fin pitch of windowing; And in above-mentioned third and fourth embodiment, fin is windowed that pitch remains unchanged and is only changed the adjacent spacing of windowing of windowing between the sheet by changing the fin louver angle.But the invention is not restricted to this, the adjacent spacing of windowing of windowing between the sheet also can be changed with the pitch of windowing by changing louver angle simultaneously; Perhaps, be divided into along air-flow direction at fin under the situation of windward side part and leeward side part, one of windward side part and leeward side part change the adjacent spacing of windowing of windowing between the sheet by changing fin louver angle and fin one of the pitch of windowing, and in windward side part and the leeward side part another changes the adjacent spacing of windowing of windowing between the sheet by window in the pitch another of change fin louver angle and fin.Therefore, the window change of spacing of fin can be undertaken by any-mode in conjunction with fin louver angle and fin two parameters of pitch of windowing, as long as can reach how much the adapting of frosting degree at the window spacing and the corresponding site place at each position of shutter.
In addition, in the above-described embodiments, for convenience of explanation, shutter is divided into windward side part and leeward side part along air-flow direction.But shutter can otherwise be divided into several portions along air-flow direction, and this is conspicuous for the insider.
Claims (11)
1. a fin that is used for heat exchanger is formed with shutter on this fin, when described heat exchanger is worked, crosses the sheet of respectively windowing of described shutter as the air sequential flow of heat exchange working medium;
It is characterized in that the spacing of windowing of described shutter changes along the flow direction of air, make how much the adapting of frosting degree at window spacing and corresponding site place at shutter different parts place.
2. fin as claimed in claim 1 is characterized in that, the spacing of windowing that is positioned at the upstream along air-flow direction is more than or equal to the adjacent with it downstream spacing of windowing, and windows spacing greater than the adjacent with it downstream spacing of windowing to small part.
3. fin as claimed in claim 2 is characterized in that, the spacing of windowing of described shutter reduces continuously along air-flow direction.
4. fin as claimed in claim 3 is characterized in that described shutter has constant louver angle, and the pitch of windowing of shutter reduces continuously along air-flow direction.
5. fin as claimed in claim 3 is characterized in that, described shutter has the constant pitch of windowing, and the louver angle of shutter reduces continuously along air-flow direction.
6. fin as claimed in claim 2, it is characterized in that, described shutter is divided into a plurality of parts along air-flow direction, and each part has the constant spacing of windowing, and is positioned at the window spacing of spacing greater than adjacent with it downstream part of windowing of the part of upstream along air-flow direction.
7. fin as claimed in claim 6 is characterized in that, described a plurality of parts have identical louver angle, and the window pitch of pitch greater than adjacent with it downstream part of windowing that is positioned at the part of upstream along air-flow direction.
8. fin as claimed in claim 6 is characterized in that, described a plurality of parts have the identical pitch of windowing, and the louver angle of part that is positioned at the upstream along air-flow direction is greater than the louver angle of adjacent with it downstream part.
9. as each described fin of claim 6-8, it is characterized in that described shutter is divided into windward side part that is positioned at the upstream and the leeward side part that is positioned at the downstream along the flow direction of air.
10. a heat exchanger comprises each described fin among the claim 1-9.
11. heat exchanger as claimed in claim 10 is characterized in that, described heat exchanger is a micro-channel heat exchanger.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119662XA CN101846479B (en) | 2009-03-25 | 2009-03-25 | Fins for heat exchanger and heat exchanger using same |
| EP10003134.3A EP2236972B1 (en) | 2009-03-25 | 2010-03-24 | Fin for heat exchanger and heat exchanger using the fin |
| US12/731,845 US20100243226A1 (en) | 2009-03-25 | 2010-03-25 | Fin for heat exchanger and heat exchanger using the fin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910119662XA CN101846479B (en) | 2009-03-25 | 2009-03-25 | Fins for heat exchanger and heat exchanger using same |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110119685 Division CN102252556B (en) | 2009-03-25 | 2009-03-25 | Fin for heat exchanger and heat exchanger employing fin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101846479A true CN101846479A (en) | 2010-09-29 |
| CN101846479B CN101846479B (en) | 2012-02-22 |
Family
ID=42263709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910119662XA Active CN101846479B (en) | 2009-03-25 | 2009-03-25 | Fins for heat exchanger and heat exchanger using same |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20100243226A1 (en) |
| EP (1) | EP2236972B1 (en) |
| CN (1) | CN101846479B (en) |
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| CN102519293A (en) * | 2011-09-26 | 2012-06-27 | 郑州大学 | Novel shutter fin |
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| CN107076495A (en) * | 2014-11-10 | 2017-08-18 | Bsh家用电器有限公司 | No-frost refrigeration device |
| CN107208982A (en) * | 2014-07-17 | 2017-09-26 | Lg电子株式会社 | Heat exchanger and the heat pump for possessing it |
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| US6907919B2 (en) * | 2003-07-11 | 2005-06-21 | Visteon Global Technologies, Inc. | Heat exchanger louver fin |
| US7428920B2 (en) * | 2003-08-21 | 2008-09-30 | Visteon Global Technologies, Inc. | Fin for heat exchanger |
| WO2005022064A1 (en) * | 2003-08-26 | 2005-03-10 | Valeo, Inc. | Aluminum heat exchanger and method of making thereof |
| US20070051502A1 (en) * | 2004-05-19 | 2007-03-08 | Showa Denko K.K. | Heat exchanger fin, heat exchanger, condensers, and evaporators |
| KR20040104439A (en) * | 2004-11-19 | 2004-12-10 | 이성우 | Louver Fin for Heat Exchanger with High Effective and Low Noise, and Manufacturing Method Thereof |
| US20070240865A1 (en) * | 2006-04-13 | 2007-10-18 | Zhang Chao A | High performance louvered fin for heat exchanger |
| KR100821180B1 (en) * | 2006-11-28 | 2008-04-14 | 현대모비스 주식회사 | Louver fin of radiator |
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| US7721794B2 (en) * | 2007-02-09 | 2010-05-25 | Lennox Industries Inc. | Fin structure for heat exchanger |
| CN101074855A (en) * | 2007-06-28 | 2007-11-21 | 上海交通大学 | Enhanced heat-conductive louver sheets |
| US20090173478A1 (en) * | 2008-01-09 | 2009-07-09 | Delphi Technologies, Inc. | Frost tolerant fins |
-
2009
- 2009-03-25 CN CN200910119662XA patent/CN101846479B/en active Active
-
2010
- 2010-03-24 EP EP10003134.3A patent/EP2236972B1/en active Active
- 2010-03-25 US US12/731,845 patent/US20100243226A1/en not_active Abandoned
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839592A (en) * | 2010-05-19 | 2010-09-22 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger |
| CN101839592B (en) * | 2010-05-19 | 2013-05-29 | 三花控股集团有限公司 | Heat exchanger |
| CN102519293A (en) * | 2011-09-26 | 2012-06-27 | 郑州大学 | Novel shutter fin |
| CN105783139A (en) * | 2012-08-08 | 2016-07-20 | 三菱电机株式会社 | Manufacture method for heat exchanger and manufacture method for air conditioner |
| CN104833137A (en) * | 2014-02-12 | 2015-08-12 | Lg电子株式会社 | Heat exchanger |
| CN107208982A (en) * | 2014-07-17 | 2017-09-26 | Lg电子株式会社 | Heat exchanger and the heat pump for possessing it |
| CN107208982B (en) * | 2014-07-17 | 2019-06-28 | Lg电子株式会社 | Heat exchanger and the heat pump for having it |
| CN107076495A (en) * | 2014-11-10 | 2017-08-18 | Bsh家用电器有限公司 | No-frost refrigeration device |
| CN107076495B (en) * | 2014-11-10 | 2021-06-29 | Bsh家用电器有限公司 | Frost-free refrigeration appliance |
| CN109070697A (en) * | 2016-06-01 | 2018-12-21 | 株式会社电装 | cold-storage heat exchanger |
| CN111912279A (en) * | 2020-08-13 | 2020-11-10 | 西安交通大学 | Twisted zigzag louver fin |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2236972A2 (en) | 2010-10-06 |
| EP2236972A3 (en) | 2014-03-05 |
| US20100243226A1 (en) | 2010-09-30 |
| EP2236972B1 (en) | 2020-09-30 |
| CN101846479B (en) | 2012-02-22 |
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