CN103791660A - Finned tube heat exchanger - Google Patents
Finned tube heat exchanger Download PDFInfo
- Publication number
- CN103791660A CN103791660A CN201310530385.8A CN201310530385A CN103791660A CN 103791660 A CN103791660 A CN 103791660A CN 201310530385 A CN201310530385 A CN 201310530385A CN 103791660 A CN103791660 A CN 103791660A
- Authority
- CN
- China
- Prior art keywords
- fin
- flow
- heat exchanger
- tube heat
- notch
- 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.)
- Granted
Links
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a finned tube heat exchanger that prevents the heat exchange performance from declining caused by frosting and condensed water. The finned tube heat exchanger comprises multiple fins (1) laminated in a mutually spaced manner, and multiple heat transfer tubes (2) penetrating the multiple fins (1) in the lamination direction. Fluids for heat exchange of air flows flowing across the multiple fins (1) communicate with the inside of the multiple heat transfer tubes (2). Each fin (1) has an inclined surface (4), in at least more than one position, enabling the flowing direction of the air flows to be bent. One inclined surface positioned at the outmost leeward side among the inclined surfaces is equipped with a single side turning cutting portion (5) in a cutting and molding way that only the leeward side has an opening port (5a).
Description
Technical field
The present invention relates to a kind of fin-tube heat exchanger of the heat exchange for cold-producing medium.
Background technology
In prior art, this fin-tube heat exchanger comprises as shown in Figure 7: be spaced from each other the stacked multiple fins 101 in interval; With the multiple heat-transfer pipes 102 that arrange in the mode that connects multiple fins 101 at stacked direction.
In this fin-tube heat exchanger, the air-flows 103 such as the air of being sent here by pressure fan (not shown) flow through between fin adjacent one another are 101, thus, carry out heat exchange with the fluid of the inside of flowing through heat-transfer pipe 102.
As the fin-tube heat exchanger with this structure, for example, be disclosed in patent documentation 1(TOHKEMY 2001-091101 communique) in.
Fig. 8 A is the partial plan of the fin that possesses of existing fin-tube heat exchanger.Fig. 8 B is the A0-A0 line sectional view of Fig. 8 A.Fig. 8 C is the sectional view of the stacked state of the fin shown in presentation graphs 8B.
The fin 111 possessing at existing fin-tube heat exchanger is provided with multiple for connecting the also fin collar 114 cylindraceous of the fixing heat-transfer pipe 112 of expander in vertical.In addition, the air-flow 113 used in the heat exchange shown in the arrow with respect to Fig. 8 A, part take the central portion of the width of fin 111 as the weather side on boundary, as shown in Figure 8 B, be provided with to occur the mode of mountain portion and the kink 115 that bends.And, in the part between the downwind side take the central portion of the width of fin 111 as boundary and heat-transfer pipe 112 adjacent one another are with respect to air-flow 113, as shown in Figure 8 B, be provided with and cut shaping notch 116.Existing fin-tube heat exchanger as shown in Figure 8 C, has the structure of the fin 111 of stacked multiple aforesaid way formations.
At above-mentioned existing fin-tube heat exchanger for example the off-premises station for air conditioner, particularly in the warming operation process in the time that external air temperature is low, easily in the part generation frosting of the weather side of fin 111.According to existing fin-tube heat exchanger, be only provided with kink 115 in the part of the weather side of this fin 111, so form the roughly stream of equally spaced air-flow 113 between fin adjacent one another are 111.Thus, as shown in Figure 8 C, even form frost layer 117 at exterior region (end of the weather side) 111a of fin 111, also can suppress to be stopped up by this frost layer 117 between fin 111 adjacent one another are.In addition, be provided with and cut shaping notch 116 in the part of downwind side that the fin 111 that the possibility of frosting is low occurs, thus the heat transmission to air-flow 113 can be improved, thus can improve heat exchange performance.
Look-ahead technique document
Patent documentation
Patent documentation 1: TOHKEMY 2001-091101 communique
Summary of the invention
The problem that invention will solve
But, in above-mentioned existing structure, be difficult to remove completely the moisture of air-flow 113 in the part of the weather side of fin 111, so form frost layer 118 at the exterior region 116a that cuts shaping notch 116, between fin 111 adjacent one another are, likely stopped up by this frost layer 118.In this case, the mobile of air-flow 113 hindered, and heat exchange performance declines.
In addition, conventionally, in the time of warming operation, condensed water easily covers the whole surface of fin 111.In above-mentioned existing structure, near the exterior region 116a of incision shaping notch 116 of downwind side that is arranged at fin 111, the bridge (bridge) that produces condensed water stops up between fin adjacent one another are 111 making, and heat exchange performance likely declines to a great extent.
The object of the invention is to, solve above-mentioned existing problem, the fin-tube heat exchanger that provides a kind of heat exchange performance that can suppress to cause because of frosting and condensed water to decline.
For solving the method for problem
In order to solve above-mentioned existing problem, fin-tube heat exchanger of the present invention comprises:
Be spaced from each other the stacked multiple fins in interval; With
Multiple heat-transfer pipes, it connects above-mentioned multiple fins at stacked direction, and have and flow through the fluid that the air-flow between above-mentioned multiple fin carries out heat exchange at the internal circulation of the plurality of heat-transfer pipe,
Above-mentioned fin has the inclined plane of the flow direction bending that makes said flow more than at least one place, the inclined plane that is positioned at downwind side in above-mentioned inclined plane, and the mode having only to have a peristome at downwind side is cut the one-sided notch of digging of shaping.
Invention effect
According to fin-tube heat exchanger of the present invention, by thering is said structure, can suppress the decline of the heat exchange performance causing because of frosting and condensed water.
Accompanying drawing explanation
Fig. 1 is the stereogram of the fin-tube heat exchanger of the 1st embodiment of the present invention.
Fig. 2 A is the partial plan of the fin that possesses of the fin-tube heat exchanger shown in Fig. 1.
Fig. 2 B is the A1-A1 line sectional view of Fig. 2 A.
Fig. 2 C is the key diagram that represents the flow direction of air-flow in the A1-A1 of Fig. 2 A line sectional view.
Fig. 3 A is in the fin of Fig. 2 A, the big or small key diagram of the dead water region that represent to flow through the flowing of air-flow between heat-transfer pipe adjacent one another are, produces with the downwind side at heat-transfer pipe.
Fig. 3 B is not possessing in the fin of the one-sided comparative example of digging notch, the big or small key diagram of the dead water region that represent to flow through the flowing of air-flow between heat-transfer pipe adjacent one another are, produces with the downwind side at heat-transfer pipe.
Fig. 4 A is the partial plan of the fin that possesses of the fin-tube heat exchanger of the 2nd embodiment of the present invention.
Fig. 4 B is the key diagram that represents the hydropexic state of condensation in the A2-A2 of Fig. 4 A line sectional view.
Fig. 4 C is the key diagram that represents the drainage situation of condensed water in the amplification view of Fig. 4 A.
Fig. 5 A is the partial plan of the fin that possesses of the fin-tube heat exchanger of the 3rd embodiment of the present invention.
Fig. 5 B is the A3-A3 line sectional view of Fig. 5 A.
Fig. 5 C is the key diagram that represents the flow direction of air-flow in the A3-A3 of Fig. 5 A line sectional view.
Fig. 6 A is the partial plan that represents the shape of the fin of Fig. 5 A to be deformed into the example of inverted v-shaped.
Fig. 6 B is the partial plan that is illustrated near the portion below of heat-transfer pipe of the fin of Fig. 6 A and is provided with the example of draining otch.
Fig. 7 is the approximate three-dimensional map of existing fin-tube heat exchanger.
Fig. 8 A is the partial plan of the fin that possesses of existing fin-tube heat exchanger.
Fig. 8 B is the A0-A0 line sectional view of Fig. 8 A.
Fig. 8 C is the sectional view of the stacked state of the fin shown in presentation graphs 8A.
The specific embodiment
Fin-tube heat exchanger of the present invention comprises:
Be spaced from each other the stacked multiple fins in interval; With
Multiple heat-transfer pipes, it connects above-mentioned multiple fins at stacked direction, and have and flow through the fluid that the air-flow between above-mentioned multiple fin carries out heat exchange at the internal circulation of the plurality of heat-transfer pipe,
Above-mentioned fin has the inclined plane of the flow direction bending that makes said flow more than at least one place, the inclined plane that is positioned at downwind side in above-mentioned inclined plane, and the mode having only to have a peristome at downwind side is cut the one-sided notch of digging of shaping.
According to this structure, be provided with the one-sided notch of digging on the inclined plane that is positioned at downwind side, so can make whole fin be formed as being conducive to the bending shape (so-called ripple (corrugated) shape) of heat exchange.Thus, high heat transfer property can be guaranteed, and heat exchange performance can be improved.In addition, there is not peristome at the one-sided weather side of digging notch, so compared with prior art can suppress the heat exchange performance decline that frosting causes.
In addition, preferred above-mentioned fin has standing piece, the mode of this standing piece so that the face that erects of bottom that is formed at above-mentioned one-sided vertical of digging notch is connected with the end of the downwind side of above-mentioned fin, erects setting from the inclined plane that is positioned at above-mentioned downwind side.
According to this structure, utilize and flow through the kinetic energy of the air-flow between stacked fin, can will be trapped near the condensed water one-sided peristome of digging notch and guide to the end of the downwind side of fin.That is, standing piece can work as draining road, promotes that condensed water moves to the end of the downwind side of fin.Thus, prevent the one-sided peristome of the digging notch water slug that is condensed, can suppress the increase of flowing resistance, can suppress the decline of the heat exchange performance causing because of condensed water.
In addition, preferred above-mentioned standing piece is at the flow direction of said flow, along with alee side whereabouts below inclination.
According to this structure, utilize the potential energy of condensed water and flow through the kinetic energy of the air-flow between stacked fin, condensed water can be guided to the end of the downwind side of fin.Thus, the drainage of condensed water can be further improved, thereby the decline of the heat exchange performance causing because of condensed water can be further suppressed.
In addition, be preferably placed at the banded fin portion of the above-mentioned one-sided downwind side of digging notch, with the main surface parallel extending in above-mentioned one-sided vertical of digging notch.
Thus, due to banded fin portion and the one-sided main surface parallel of digging notch, so can utilize the end of the weather side of banded fin portion to be cut apart abreast by the one-sided air-flow of digging notch guiding.Thus, can suppress as much as possible flowing resistance, and promote to conduct heat, can further improve heat exchange performance.
Below, with reference to accompanying drawing, embodiments of the present invention are described.In addition, the present invention is not limited to this embodiment.
(the 1st embodiment)
Fig. 1 is the stereogram of the fin-tube heat exchanger of the 1st embodiment of the present invention.Fig. 2 A is the partial plan of the fin that possesses of the fin-tube heat exchanger shown in Fig. 1.Fig. 2 B is the A1-A1 line sectional view of Fig. 2 A.Fig. 2 C is the key diagram that represents the mobility status of air-flow in the A1-A1 of Fig. 2 A line sectional view.The fin-tube heat exchanger of this 1st embodiment is for example loaded in the off-premises stations such as air conditioner, Teat pump boiler, heat-pump hot-water heating.
As shown in Figure 1, the fin-tube heat exchanger of this 1st embodiment comprises: be spaced from each other the stacked multiple fins 1 of interval Fp in order to form the stream of air-flow 3; With the multiple heat-transfer pipes 2 that connect multiple fins 1 at stacked direction.
Fluid is flow through in inside at heat-transfer pipe 2, this fluid and pass out to the air-flows 3 such as the air between multiple fins 1 by pressure fan (not shown) and carry out heat exchange.In addition, as shown in Figure 1, multiple heat-transfer pipes 2 also can connected to each otherly become a heat-transfer pipe.The fluid that flows through the inside of heat-transfer pipe 2 is generally the two-phase state of liquid phase and gas phase, by becoming overheated gas with the heat exchange liquid phase evaporation of air-flow 3, flows out to the outside of fin-tube heat exchanger.
As the fluid of inside that flows through heat-transfer pipe 2, can use HFC cold-producing medium, HFO cold-producing medium, HC cold-producing medium, CO
2cold-producing medium or their mix refrigerant.By using these cold-producing mediums, the destruction that can suppress ozone layer.In addition, using HC cold-producing medium and CO
2in the situation of cold-producing medium, global warming coefficient is little, so can realize air conditioner and the refrigerator of environment-friendly type.
According to this 1st embodiment, the one-sided notch 5 of digging is formed at inclined plane 4, so whole fin 1 can be formed as being conducive to the curved shape (so-called bellows-shaped) of heat exchange.Thus, high heat transfer property can be guaranteed, and heat exchange performance can be improved.
In addition, according to this 1st embodiment, as shown in Figure 2 C, there is not peristome at the one-sided weather side of digging notch 5, so there is not the exterior region (end of weather side) that produces frost layer.Therefore, compared with prior art, can suppress the decline of the heat exchange performance causing because of frosting.
In addition, as shown in Fig. 2 B and Fig. 2 C, there is exterior region 10a in the banded fin portion 10 that is positioned at the one-sided downwind side of digging notch 5.This exterior region 10a may become the generation bridge of condensed water and the main cause of frost layer.But, in this 1st embodiment, the one-sided notch 5 of digging is arranged to the inclined plane 4 that is positioned at downwind side, so can suppress because one-sided increase of digging the flowing resistance that notch 5 causes is set.In addition, exterior region 10a is positioned at the downwind side of the stream maximum of air-flow 3 and the fin 1 of mean flow rate step-down.Therefore, even be attached with condensed water and white in the situation that, also can avoid the stream of air-flow 3 to be stopped up completely at exterior region 10a.Therefore, compared with prior art, can suppress the decline of heat exchange performance.
In addition, according to this 1st embodiment, by the one-sided notch 5 of digging is set at fin 1, this is one-sided digs notch 5 becomes the factor of flowing resistance, as shown in Figure 3A, can make more to flow along the surface of heat-transfer pipe 2 by the air-flow 33 between heat-transfer pipe adjacent one another are 2,2.Thus, can dwindle the dead water region 7 producing at the downwind side (rear side) of heat-transfer pipe 2.In addition, as shown in Figure 3 B, do not arranging one-sidedly dig notch 5 in the situation that, easily leaving from the surface of heat-transfer pipe 2 by the air-flow 33 between heat-transfer pipe adjacent one another are 2,2, roughly advancing as the crow flies.Consequently, the dead water region 7 producing at the downwind side of heat-transfer pipe 2 becomes large.
The running kind of cooling/heating no matter as mentioned above, according to the fin-tube heat exchanger of this 1st embodiment, there is above-mentioned effect, so can maintain the heat exchange performance of high level.
(the second embodiment)
Below, with reference to Fig. 4 A～Fig. 4 C, the fin-tube heat exchanger of the 2nd embodiment of the present invention is described.
Fig. 4 A is the partial plan of the fin that possesses of the fin-tube heat exchanger of this 2nd embodiment.Fig. 4 B is the key diagram that represents the hydropexic state of condensation in the A2-A2 of Fig. 4 A line sectional view.Fig. 4 C is the key diagram that represents the drainage situation of condensed water in the amplification view of Fig. 4 A.
The difference of this fin-tube heat exchanger of the 2nd embodiment and the fin-tube heat exchanger of above-mentioned the 1st embodiment is, as shown in Figure 4 C, there is standing piece 8a, this standing piece 8a, being formed at the face that the erects 5b of bottom of one-sided vertical of digging notch 5 and the mode that hinder marginal part (end of the downwind side) 1b of fin 1 is connected, erects setting from the inclined plane 4 that is positioned at downwind side.In addition, in this 2nd embodiment, standing piece 8a as shown in Figure 4 C, is arranged on the flow direction of air-flow 3, along with alee side whereabouts below inclination.
According to this 2nd embodiment, as shown in Figure 4 C, utilize the potential energy of condensed water 9 and flow through the kinetic energy of the air-flow 3 between stacked fin 1, can will be trapped near the condensed water 9 one-sided peristome 5a that digs notch 5 and guide to the hinder marginal part 1b of fin 1.That is, standing piece 8a plays a role as draining road, can promote to the movement of the hinder marginal part 1b of fin 1.Thus, prevent the one-sided peristome 5a that digs notch 5 water slug that is condensed, can suppress the increase of flowing resistance, can control the decline of the heat exchange performance that condensed water 9 causes.
In addition, according to this 2nd embodiment, by the one-sided notch 5 of digging is set, as shown in Figure 4 B, form exterior region (end of the weather side of banded fin portion 10) 10a at the downwind side of peristome 5a.Make air-flow 3 this exterior region of contact 10a, thus, utilize so-called leading edge effect can promote heat transmission.
In addition, according to this 2nd embodiment, in the part of the downwind side of fin 1, parallelly with vertical be only provided with peristome 5a at a place, so heat transmission can excessively not blocked, can make the whole surface of fin 1 contribute to conduct heat.
In addition, the fin-tube heat exchanger of this 2nd embodiment as shown in Figure 4 C, also can be face symmetry and form on the horizontal plane h1 of the central part by the fin collar 4., standing piece 8b also can be set so that the face that the erects 5d of the upper end that is formed at one-sided vertical of digging notch 5 is connected with the hinder marginal part 1b of fin 1.In this case, though can provide a kind of above-below direction by fin 1 anti-install and also can obtain the high fin of design freedom of equal effect.
(the 3rd embodiment)
Below, with reference to Fig. 5 A～Fig. 5 C, the fin-tube heat exchanger of the 3rd embodiment of the present invention is described.
Fig. 5 A is the partial plan of the fin that possesses of the fin-tube heat exchanger of the 3rd embodiment of the present invention.Fig. 5 B is the A3-A3 line sectional view of Fig. 5 A.Fig. 5 C is the key diagram that represents the flow direction of air-flow in the A3-A3 of Fig. 5 A line sectional view.
The difference of this fin-tube heat exchanger of the 3rd embodiment and the fin-tube heat exchanger of above-mentioned the 2nd embodiment is, as shown in Fig. 5 B or Fig. 5 C, be positioned at the banded fin portion 10 of the one-sided downwind side of digging notch 5, parallel with the interarea 5c extending in one-sided vertical of digging notch 5.
According to this 3rd embodiment, banded fin portion 10 is parallel with the one-sided interarea 5c that digs notch 5, so as shown in Figure 5 C, utilizes the end 10a of the weather side of banded fin portion 10, can cut apart abreast by one-sided and dig the air-flow 33 that notch 5 guides.Thus, can suppress as much as possible flowing resistance, and promote to conduct heat, can further improve heat exchange performance.
In addition, the present invention is not limited to described embodiment, can adopt other variety of ways to implement.For example, in above-mentioned the 2nd embodiment, standing piece 8a is arranged in the flow direction of air-flow 3, and along with alee side whereabouts below inclination, but the present invention is not limited to this.Standing piece 8a, as long as the stream that can discharge condensed water 9 as the kinetic energy that utilizes air-flow 3 works, for example, also can be formed as extending in the horizontal direction.
In addition, for example, in above-mentioned the 3rd embodiment, form fin 1 to possess two modes (font of falling W) with mountain portion and the paddy portion kink that alternately modes of appearance bend, but the present invention is not limited to this.For example, as shown in Figure 6A, also can form fin 1 in the mode that possesses a kink (inverted v-shaped).Thus, can reduce flowing resistance, realize the lower pressure loss.In addition, in this case, the inclined plane 4 of downwind side becomes wider than above-mentioned the 3rd embodiment, and so the configuration free degree of digging notch 5 one-sided increases, and easily carries out the optimization of fin 1.
In addition, as shown in Figure 6B, also can be below heat-transfer pipe 2 near portion be arranged on thickness direction and connect the otch 11 for draining of fin 1.In the case, near the drainage of the portion below of heat-transfer pipe 2 of easy generation condensed water etc. can be improved, particularly in the time of warming operation, heat exchange performance can be significantly improved.
Wherein, by the embodiment arbitrarily in the middle of appropriately combined above-mentioned various embodiments, can make the effect that had separately prove effective.
In industry, utilize possibility
Fin-tube heat exchanger of the present invention can suppress the decline of the heat-exchange capacity that frosting and condensed water cause, so be useful as the heat exchanger using in water heater, freezing/various heat-pump apparatus such as air conditioner.
Reference numeral explanation
1 fin
1b hinder marginal part
2 heat-transfer pipes
3,33 air-flows
4 inclined planes
The 5 one-sided notch of digging
5a peristome
5b, 5d erect face
5c interarea
7 dead water regions
8a, 8b standing piece
9 condensed waters
10 banded fin portions
10a exterior region
11 draining otch
H1 horizontal direction
Claims (4)
1. a fin-tube heat exchanger, is characterized in that, comprising:
Be spaced from each other the stacked multiple fins in interval; With
Multiple heat-transfer pipes, it connects described multiple fins at stacked direction, and have and flow through the fluid that the air-flow between described multiple fin carries out heat exchange at the internal circulation of the plurality of heat-transfer pipe,
Described fin has the inclined plane of the flow direction bending that makes described air-flow more than at least one place, the inclined plane that is positioned at downwind side in described inclined plane, and the mode having only to have a peristome at downwind side is cut the one-sided notch of digging of shaping.
2. fin-tube heat exchanger as claimed in claim 1, is characterized in that:
Described fin has standing piece, and the mode of this standing piece so that the face that erects of bottom that is formed at described one-sided vertical of digging notch is connected with the end of the downwind side of described fin erects setting from the inclined plane of downwind side described in being positioned at.
3. fin-tube heat exchanger as claimed in claim 2, is characterized in that:
Described standing piece is at the flow direction of described air-flow, along with alee side whereabouts below inclination.
4. the fin-tube heat exchanger as described in any one in claim 1～3, is characterized in that:
Be positioned at the banded fin portion of the described one-sided downwind side of digging notch, with the main surface parallel extending in described one-sided vertical of digging notch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012240186A JP6131460B2 (en) | 2012-10-31 | 2012-10-31 | Finned heat exchanger |
| JP2012-240186 | 2012-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103791660A true CN103791660A (en) | 2014-05-14 |
| CN103791660B CN103791660B (en) | 2017-07-04 |
Family
ID=50667561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310530385.8A Active CN103791660B (en) | 2012-10-31 | 2013-10-31 | Fin-tube heat exchanger |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6131460B2 (en) |
| CN (1) | CN103791660B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906351A (en) * | 2016-11-14 | 2019-06-18 | 三菱电机株式会社 | Heat exchanger, the manufacturing method of heat exchanger and fin assembling part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103213A (en) * | 1985-05-10 | 1986-11-19 | 松下电器产业株式会社 | Heat exchanger |
| US4817709A (en) * | 1987-12-02 | 1989-04-04 | Carrier Corporation | Ramp wing enhanced plate fin |
| JP2002318088A (en) * | 2001-04-20 | 2002-10-31 | Hitachi Ltd | Heat exchanger and air conditioner |
| CN101573581A (en) * | 2007-01-12 | 2009-11-04 | 普罗里昂斯国际公司 | Heat exchanger fin |
| CN102322762A (en) * | 2006-07-18 | 2012-01-18 | 大金工业株式会社 | The manufacturing approach of heat exchanger, aircondition and heat exchanger |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5512302A (en) * | 1978-07-07 | 1980-01-28 | Hitachi Ltd | Heat exchanger |
| JPS6026300Y2 (en) * | 1979-07-12 | 1985-08-07 | カルソニックカンセイ株式会社 | corrugate fin |
| JPS5923984Y2 (en) * | 1981-06-17 | 1984-07-16 | ダイキン工業株式会社 | Heat exchanger |
| JP3765141B2 (en) * | 1996-12-25 | 2006-04-12 | ダイキン工業株式会社 | Heat transfer fins |
| JP2001091101A (en) * | 1999-09-20 | 2001-04-06 | Fujitsu General Ltd | Heat exchanger for air conditioner |
| JP2002188833A (en) * | 2000-12-20 | 2002-07-05 | Fujitsu General Ltd | Outdoor unit of air conditioner |
-
2012
- 2012-10-31 JP JP2012240186A patent/JP6131460B2/en active Active
-
2013
- 2013-10-31 CN CN201310530385.8A patent/CN103791660B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103213A (en) * | 1985-05-10 | 1986-11-19 | 松下电器产业株式会社 | Heat exchanger |
| US4817709A (en) * | 1987-12-02 | 1989-04-04 | Carrier Corporation | Ramp wing enhanced plate fin |
| JP2002318088A (en) * | 2001-04-20 | 2002-10-31 | Hitachi Ltd | Heat exchanger and air conditioner |
| CN102322762A (en) * | 2006-07-18 | 2012-01-18 | 大金工业株式会社 | The manufacturing approach of heat exchanger, aircondition and heat exchanger |
| CN101573581A (en) * | 2007-01-12 | 2009-11-04 | 普罗里昂斯国际公司 | Heat exchanger fin |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109906351A (en) * | 2016-11-14 | 2019-06-18 | 三菱电机株式会社 | Heat exchanger, the manufacturing method of heat exchanger and fin assembling part |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103791660B (en) | 2017-07-04 |
| JP6131460B2 (en) | 2017-05-24 |
| JP2014089017A (en) | 2014-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101592421B (en) | Fin tubular heat exchanger | |
| CN101619939B (en) | Heat exchanger | |
| JP6687967B2 (en) | Heat exchanger | |
| JP5945806B2 (en) | Finned tube heat exchanger | |
| CN103998891B (en) | Fin tube type heat exchanger | |
| CN104344609A (en) | Heat exchanger and corrugated fin thereof | |
| CN103791750B (en) | Fin-tube heat exchanger | |
| JP2013245884A (en) | Fin tube heat exchanger | |
| JPWO2015005352A1 (en) | Heat pump equipment | |
| CN104833137A (en) | Heat exchanger | |
| JP2018532093A (en) | Heat exchanger | |
| CN104169669A (en) | Cooling radiator for a vehicle, particularly a motor vehicle | |
| CN105021069A (en) | Heat exchanger | |
| CN203203297U (en) | High-efficiency heat exchanger | |
| CN104089517A (en) | Fin used for heat exchanger and heat exchanger with same | |
| JP6375897B2 (en) | Heat exchanger | |
| JP2015004451A (en) | Fin tube heat exchanger | |
| JP5958917B2 (en) | Finned tube heat exchanger | |
| JP2005201492A (en) | Heat exchanger | |
| CN103791660A (en) | Finned tube heat exchanger | |
| CN104272053A (en) | Fin-tube heat exchanger and refrigeration cycle device using same | |
| JPWO2013094084A1 (en) | Air conditioner | |
| JP5404571B2 (en) | Heat exchanger and equipment | |
| JP2015014397A (en) | Heat exchanger | |
| CN103791661B (en) | Fin-tube heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |