CN108398045A - A kind of flat tube, heat exchanger and its manufacturing method using the flat tube - Google Patents
A kind of flat tube, heat exchanger and its manufacturing method using the flat tube Download PDFInfo
- Publication number
- CN108398045A CN108398045A CN201810295105.2A CN201810295105A CN108398045A CN 108398045 A CN108398045 A CN 108398045A CN 201810295105 A CN201810295105 A CN 201810295105A CN 108398045 A CN108398045 A CN 108398045A
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- Prior art keywords
- flat tube
- side wall
- heat exchanger
- shell
- major side
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 claims abstract description 7
- 239000003507 refrigerant Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000005219 brazing Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- BHSUFIXFUOVBAB-TXPOCZTKSA-N mateside Natural products C[C@@H]1CC[C@@]2(CC[C@]3(C)C(=CC[C@@H]4[C@@]5(C)CC[C@H](O[C@H]6OC[C@H](O)[C@@H](O)[C@@H]6O)[C@@](C)(CO)[C@@H]5CC[C@@]34C)[C@@H]2[C@]1(C)O)C(=O)O BHSUFIXFUOVBAB-TXPOCZTKSA-N 0.000 claims 2
- 238000004378 air conditioning Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- 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
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- 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
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of flat tube of heat exchanger, including flat tube shell and the liner fin being arranged in the flat tube shell, the shell forms Type B by one piece of metal plate by bending, with a pair the first major side wall and the second major side wall that are mutually parallel, first end and the second end bend inwards and mutually fit closely after 90 degree；There are one square wave sections, the square wave section to be bonded respectively with the second major side wall, first end and the second end for tool in the middle part of the liner fin.A kind of flat tube of heat exchanger of the present invention, the end of flat tube shell and the square wave configuration of first end and liner fin are coordinated, and make heat-radiation belt efficient weld area bigger for circular arc pair side wall, to improve weld strength.And plane contact is used between flat tube outer casing end and liner fin, manufactures and assemble more convenient and simple, can be improved production efficiency, reduction difficulty of processing and manufacturing cost.
Description
Technical field
The present invention relates to heat exchanger field more particularly to automotive air-conditioning system heat exchanger, typically evaporator and cold
Condenser, specifically a kind of flat tube of heat exchanger, using the manufacturing method of the heat exchanger of the flat tube and the flat tube.Institute
It is liner fin-type folded tube to state flat tube, and the heat exchanger is parallel-flow heat exchanger.
Background technology
Automotive air-conditioning system heat exchanger is the important component of automotive air-conditioning system, and the performance of heat exchanger directly determines
The refrigeration or heating performance of air-conditioning system.The heat exchanger mainstream in automobile industry is parallel flow heat exchanger at present,
Basic structure includes heat exchanger core body, header, inlet and outlet etc., and heat exchanger core body is made of multigroup flat tube and heat-radiation belt, installation
Among two headers, refrigerant is passed to by flat tube in the header of the other side from side header, and air flows through heat dissipation
Band completes heat exchange.
Automotive air-conditioning system main composition is：Low-temp low-pressure gaseous refrigerant is compressed into high pressure gaseous by compressor
Refrigerant, then into condenser；High temperature and high pressure gaseous refrigerant is become high temperature and pressure liquid by condenser by heat release
Refrigerant, then into expansion valve；It is low by throttling action to be become two phases by expansion valve for high temperature and pressure liquid refrigerant
Warm low pressure refrigerant, then into evaporator；Two phase refrigerants are become low-temp low-pressure gaseous refrigerant by evaporator,
Then into compressor, refrigerant circulation is completed.Indoor evaporator is other than refrigeration, also dehumidification function, reduces
Vehicle humidity, but it should be noted that its frost monitoring because frosting can reduce its exchange capability of heat, and increase windage, frosting
When serious, need to open defrosting mode.Outdoor condenser is mounted on automotive front end, and intake is by speed and rotation speed of the fan control
System, heat exchange amount with condenser exchange capability of heat itself in addition to having outside the Pass, also by shadows such as environment temperature, intake, compressor rotary speeds
It rings.
At present in heat exchanger field, especially parallel-flow heat exchanger, flat tube is one of most important parts, knot
Structure and performance have significant impact to exchange capability of heat, the structural strength etc. of entire heat exchanger.It is presently used for the flat of heat exchanger
Pipe is roughly divided into two kinds according to processing method：Extruded tube and folded tube.The advantage of extruded tube is handling ease, extrusion die at
This is relatively low, and flat tube intensity is high, but its disadvantage is also apparent from：Weight is big, and volume production is of high cost.In addition to this, for folded tube
The material of selection is more extensive, and the Corrosion Protection of extruded tube optional material wants difference very for folded tube optional material
It is more.Automobile integrally pursues that light weight and cost is low, performance is good, this proposes high request with regard to the design of heat exchanging device etc., and uses folding
The heat exchanger of folded pipe has a clear superiority.Typical folded tube becomes single or multiple cavitys by sheet metal bent, then leads to
Soldering processes sealing is crossed, medium can be flowed through with the slave cavity of No leakage.
The present invention relates to the flat tube of heat exchanger for using bending technique to make.The flat tube is by flat tube shell and liner fin
It constitutes, flat tube shell is bent by one piece of metal plate.Consider that tablet is bent into Type B, and liner fin also can for intensity
Reinforce flat tube integral strength to a certain extent.Importantly, liner fin greatly improves flat tube by increasing heat exchange area
Exchange capability of heat.
Document CN 103080685（B）A kind of flat tube and the condenser using the flat tube are disclosed, its processing system is described
Make process.The flat tube equally includes shell and inside points flow made of flat plate buckling, and shell constitutes a closed Circulation Area
Circulating area is separated into multiple runners by domain, splitter.The program is in flat tube middle position, flat tube shell and built-in splitter
It is not close to, is contacted simply by end, weld strength and built-in splitter vibration resistance is difficult to ensure.
Document JP 3631214（B2 a kind of flat tube being used for evaporator for air-conditioning system of automobile or condenser) is disclosed,
The flat tube is formed by one piece of metal plate bending, connects to form airtight passage by intermediate position doubling section, the linkage section
It is formed by the fringe region of thin plate is bent into hook-shaped, and places corrugated fin inside flat tube.The shortcomings that design, exists
In flat tube shell intermediate connection zones, weld strength is difficult to ensure, increases the requirement to technique.
Patent US 6192977 describes a kind of flat tube, and the flat tube overlapping part is in end.The program is in flat tube height
Very little（Such as less than 1 mm）When be difficult to control.
Patent DE 102006006670 describes a kind of flat tube, and scheme flat tube side has multiple bending parts, the party
Case can lead to consuming excessively for material.
Invention content
The present invention is to solve above-mentioned technical problem of the existing technology, it is intended to obtain one kind at low cost, lightweight, performance
Good, intensity height, the flat tube of long lifespan and heat exchanger and the higher processing technology thereof of reliability using the flat tube.It should
Heat exchanger is used for automotive air-conditioning system condenser or evaporator.These heat exchangers all at least have first fluid and second
Fluid exchanges heat, and channel of the flat tube as heat exchange, performance and structural reliability determine the reliable of entire heat exchanger
Property.
In order to solve the above technical problems, the present invention uses following technical scheme：
A kind of flat tube of heat exchanger, including flat tube shell and the liner fin that is arranged in the flat tube shell, the shell by
One piece of metal plate forms Type B by bending, has a pair of the first major side wall and the second major side wall being mutually parallel, and connection
The secondary side wall of the first of first major side wall and the second major side wall and the second secondary side wall；The liner fin is ripple type knot
Structure, and be close to respectively with first major side wall and the second major side wall at peaks and troughs, form multiple independent Jie
Matter channel, it is characterised in that first major side wall include have the first half of first end and with the second end
Two half, the first end and the second end bend inwards along the first half and the second half mutually close after 90 degree respectively
Fitting；Tool is there are one square wave section in the middle part of the described liner fin, the square wave section respectively with the second major side wall, first end and
The second end is bonded.
A kind of flat tube of heat exchanger of the present invention, the square wave knot of the end of flat tube shell and first end and liner fin
Structure is coordinated, and makes heat-radiation belt efficient weld area bigger for circular arc pair side wall, to improve weld strength.And
And plane contact is used between flat tube outer casing end and liner fin, it manufactures and assembles more convenient and simple, production can be improved
Efficiency reduces difficulty of processing and manufacturing cost.
Described first secondary side wall and the second secondary side wall are slab construction, and with first major side wall and the second main side
Round-corner transition between wall.
The secondary side wall of described first and the second secondary side wall are fitted closely with two ends of liner fin respectively.
The material of the flat tube shell is aluminium alloy, and its material thickness is between 0.2-1.5 mm.
The liner fin material is aluminium alloy, and its thickness is between 0.05-0.5 mm.
Original size of the inner fins before being packed into flat tube shell is more than the inside dimension of flat tube shell.Liner wing
Piece generates pretightning force after the completion of assembly, under the action of the pretightning force, both ends and the secondary side wall and second of flat tube shell first
Secondary side wall fits closely, convenient for welding；Meanwhile but also the Wave crest and wave trough of liner fin is closely pasted with each side wall of flat tube shell
It closes.
The outer layer of the flat tube shell is brazing layer, and the internal layer and/or liner fin surface of flat tube shell are brazing layer.
The present invention also provides a kind of heat exchanger, including heat exchanger core body, refrigerant inlet, refrigerant outlet and both sides
Header, the header are equipped with end cap, and at least one header is equipped with partition board, the refrigerant inlet and refrigeration
Agent outlet is arranged on the header, and the heat exchanger core body includes the flat tube and heat-radiation belt being arranged alternately, feature
It is that the flat tube uses any of the above flat tube configuration.
The present invention also provides a kind of manufacturing method of flat tube of heat exchanger, it is characterised in that includes the following steps：
1）Take one piece of metal plate；
2）Ripple type liner fin is placed on the metal plate；There are one square waves for the middle part tool of the liner fin
Section；
3）Metal plate is bent into Type B structure, integrally wraps liner fin, metal plate first end and the second end are set
In in square wave section, and fitted closely with square wave section；
4）The components welding assembled is molded.
Description of the drawings
Fig. 1 is the structural schematic diagram of present heat exchanger flat tube.
Fig. 2 is the structural schematic diagram of the hot invention heat exchanger flat pipe shell of the present invention.
Fig. 3 is the structural schematic diagram of liner fin of the present invention.
Fig. 4-Fig. 7 is the schematic diagram of the manufacturing process of present heat exchanger flat tube.
Fig. 8 is the structural schematic diagram of present heat exchanger.
Fig. 9 is the structural schematic diagram of present heat exchanger core.
In figure：A kind of heat exchangers of 1-, 2- heat exchanger core bodies, 3- flat tubes, 4- heat-radiation belts, 5- refrigerant inlets, 6- refrigeration
Agent exports, 7- headers 1,8- headers 2,9- partition boards, 10- end caps, 11- side plates, 12- flat tubes the second major side wall of shell, and 13- is flat
First half of the first major side wall of pipe shell, the second half of 14- flat tubes the first major side wall of shell, 15- flat tubes shell first are secondary
Side wall, the secondary side wall of 16- flat tubes shell second, 17- flat tube shell first ends portion, 18- flat tube shell the second ends, 19- liner wings
Piece, 20- fin the second ends, 21- fin first ends, the square wave section in the middle part of 22- liner fins, 23- flat tube shells, 24- gold
Category tablet, 25- medium channels, the inner surface in 26- flat tube shell first ends portion, the end face in 27- flat tube shell first ends portion,
The inner surface of 28- flat tube shell the second ends, the end face of 29- flat tube shell the second ends, the side of 30- liner fin square wave sections
Portion's inner surface, the lateral interior surfaces of 31- liner fin square wave sections, the upper base surface of 32- liner fin square wave sections, 33- liners
The bottom lower surface of fin square wave section.
Specific implementation mode
In the following, the invention will be further described for Structure Figure and specific implementation mode.
Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of flat tube of heat exchanger of the invention, including flat tube shell 23 and setting are described
Liner fin 19 in flat tube shell 23, the shell 23 form Type B by one piece of metal plate 24 by bending, have a pair of of phase
Mutually parallel the first major side wall and the second major side wall 12, and connect the first of first major side wall and the second major side wall 12
Secondary side wall 15 and the second secondary side wall 16；The liner fin 19 be ripple type structure, and at peaks and troughs respectively with
First major side wall 10 and the second major side wall 9 is close to, and multiple independent medium channels 25 are formed.First major side wall
10 include first half 13 with first end 17 and the second half 14 with the second end 18, the first end 17
It bends inwards along the first half 13 and the second half 14 with the second end 18 and is mutually fitted closely after 90 degree respectively；The liner
The middle part of fin 19 tool there are one square wave section 22, the square wave section 22 respectively with the second major side wall 12, first end 17 and second
End 18 is bonded.
More specifically, the square wave section 22 is mutually parallel with bottom plane and vertical with bottom plane two
Side, after flat tube shell 23 and 19 molding assembly of liner fin, inner surface 26 and the liner wing in flat tube shell first end portion
The left side inner surface 30 of piece square wave section fits closely, inner surface 28 and the liner fin square wave section of flat tube shell the second end
Right side inner surface 31 fit closely, the end face 27 in flat tube shell first end portion and the end face 29 of flat tube shell the second end with
The upper base surface 32 of liner fin square wave section fits closely, the bottom lower surface 33 of liner fin square wave section and flat tube shell the
The inner surface of two major side walls fits closely.In this way, the square wave section 22 of liner fin tightly wraps the end of flat tube shell, together
When flat tube shell 3 tightly wrap liner fin 19 is whole again, to ensure the reliability of welding.
15 and second secondary side wall 16 of described first secondary side wall is slab construction, and with first major side wall and second
Round-corner transition between major side wall 12.
15 and second secondary side wall 16 of described first secondary side wall respectively with the first end of liner fin 19 21 and second end
Ask that 20 fit closely.
The material of the flat tube shell 23 is aluminium alloy, and its material thickness is between 0.2-1.5 mm.
19 material of liner fin is aluminium alloy, and its thickness is between 0.05-0.5 mm.
The outer layer of the flat tube shell 23 is brazing layer, and the internal layer of flat tube shell 23 and/or 19 surface of liner fin are pricker
Layer.
The present invention also provides a kind of manufacturing method of flat tube of heat exchanger, it is characterised in that includes the following steps：
1）With reference to Fig. 4, one piece of metal plate 24 is taken；
2）With reference to Fig. 5, ripple type liner fin 19 is placed on the metal plate 24；The middle part of the liner fin 19
There are one square wave sections 22 for tool；
3）With reference to Fig. 6, metal plate 24 is upwardly and inwardly bent from the both ends of liner fin, until Type B structure is formed, it is whole
Body wraps liner fin 19, and 24 first end 17 of metal plate and the second end 18 are placed in square wave section 22, and with square wave section
22 fit closely；
4）With reference to Fig. 7, the components welding assembled is molded.
Original size of the inner fins 19 before being packed into flat tube shell 23 is more than the inside dimension of flat tube shell 23.
Liner fin 19 generates pretightning force after the completion of assembly, under the action of the pretightning force, both ends 21,20 and flat tube shell first
Secondary side wall 15 and the second secondary side wall 16 fit closely, convenient for welding；Meanwhile but also outside the Wave crest and wave trough and flat tube of liner fin
Each side wall of shell fits closely.
With reference to Fig. 8 and Fig. 9, a kind of heat exchanger of the invention, including heat exchanger core body 2, refrigerant inlet 5, refrigerant
Outlet 6 and two-side current collecting pipe 7,8, the header 7,8 are equipped with end cap 10, and at least one header 7,8 is equipped with partition board
9, the refrigerant inlet 5 and refrigerant outlet 6 are arranged on the header 7, and the heat exchanger core body 2 includes handing over
For the flat tube 3 and heat-radiation belt 4 of setting, the flat tube 3 uses previously described structure.
It is to be understood that：Above-described embodiment be to the explanation of invention, rather than limiting the invention, it is any not
Beyond the innovation and creation within the scope of true spirit, each fall within protection scope of the present invention.
Claims (10)
1. a kind of flat tube of heat exchanger, including flat tube shell（23）With setting in the flat tube shell（23）Interior liner fin
（19）, the shell（23）By one piece of metal plate（24）Type B is formed by bending, there is a pair of the first main side being mutually parallel
Wall and the second major side wall（12）, and the first major side wall and the second major side wall described in connection（12）The first secondary side wall（15）With
Second secondary side wall（16）；The liner fin（19）For ripple type structure, and at peaks and troughs respectively with it is described
First major side wall（10）With the second major side wall（9）It is close to, forms multiple independent medium channels（25）, it is characterised in that it is described
First major side wall（10）Including with first end（17）The first half（13）With with the second end（18）The second half
（14）, the first end（17）And the second end（18）Respectively along the first half（13）With the second half（14）It bends inwards
It is mutually fitted closely after 90 degree；The liner fin（19）There are one square wave sections for middle part tool（22）, the square wave section（22）
Respectively with the second major side wall（12）, first end（17）And the second end（18）Fitting.
2. a kind of flat tube of heat exchanger according to claim 1, it is characterised in that the secondary side wall of described first（15）With
Second mate's side wall（16）For slab construction, and with first major side wall and the second major side wall（12）Between round-corner transition.
3. a kind of flat tube of heat exchanger according to claim 2, it is characterised in that the secondary side wall of described first（15）With
Second mate's side wall（16）Respectively with liner fin（19）Two ends fit closely.
4. a kind of flat tube of heat exchanger according to claim 1, it is characterised in that the flat tube shell（23）Material be
Aluminium alloy, and its material thickness is between 0.2-1.5 mm.
5. a kind of flat tube of heat exchanger according to claim 1, it is characterised in that the liner fin（19）Material is
Aluminium alloy, and its thickness is between 0.05-0.5 mm.
6. a kind of flat tube of heat exchanger according to claim 1, it is characterised in that the inner fins（19）It is being packed into
Flat tube shell（23）Preceding original size is more than flat tube shell（23）Inside dimension.
7. according to a kind of flat tube of heat exchanger described in claim 1-6 any one, it is characterised in that the flat tube shell
（23）Outer layer be brazing layer, flat tube shell（23）Internal layer and/or liner fin（19）Surface is brazing layer.
8. a kind of heat exchanger, including heat exchanger core body（2）, refrigerant inlet（5）, refrigerant outlet（6）With two-side current collecting pipe
（7、8）, the header（7、8）It is equipped with end cap（10）, at least one header（7、8）It is equipped with partition board（9）, described
Refrigerant inlet（5）And refrigerant outlet（6）It is arranged in the header（7）On, the heat exchanger core body（2）Including handing over
For the flat tube of setting（3）And heat-radiation belt（4）, it is characterised in that the flat tube（3）Using such as claim 1-7 any one institute
The flat tube configuration stated.
9. a kind of manufacturing method of flat tube of heat exchanger, it is characterised in that include the following steps：
1）Take one piece of metal plate（24）；
2）By ripple type liner fin（19）It is placed in the metal plate（24）On；The liner fin（19）Middle part tool
There are one square wave sections（22）；
3）By metal plate（24）It is bent into Type B structure, integrally wraps liner fin（19）, metal plate（24）First end
（17）And the second end（18）It is placed in square wave section（22）It is interior, and with square wave section（22）It fits closely；
4）The components welding assembled is molded.
10. a kind of manufacturing method of flat tube of heat exchanger according to claim 9, it is characterised in that the inner fins
（19）It is being packed into flat tube shell（23）Preceding original size is more than flat tube shell（23）Inside dimension, machined in flat tube
Afterwards, the inner fins（19）Under the action of pretightning force with flat tube shell（23）It fits closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295105.2A CN108398045A (en) | 2018-03-30 | 2018-03-30 | A kind of flat tube, heat exchanger and its manufacturing method using the flat tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295105.2A CN108398045A (en) | 2018-03-30 | 2018-03-30 | A kind of flat tube, heat exchanger and its manufacturing method using the flat tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108398045A true CN108398045A (en) | 2018-08-14 |
Family
ID=63099628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810295105.2A Withdrawn CN108398045A (en) | 2018-03-30 | 2018-03-30 | A kind of flat tube, heat exchanger and its manufacturing method using the flat tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108398045A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344763A (en) * | 2019-08-07 | 2021-02-09 | 丹佛斯有限公司 | Method for manufacturing heat exchanger |
| CN112902728A (en) * | 2021-04-14 | 2021-06-04 | 浙江银轮机械股份有限公司 | Heat exchange tube, heat exchange core and heat exchanger |
| CN113251847A (en) * | 2020-02-07 | 2021-08-13 | 马勒国际公司 | Inner fin and flat tube having the same |
| WO2024089798A1 (en) * | 2022-10-26 | 2024-05-02 | 三菱電機株式会社 | Heat exchanger and refrigeration cycle device equipped with heat exchanger |
-
2018
- 2018-03-30 CN CN201810295105.2A patent/CN108398045A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344763A (en) * | 2019-08-07 | 2021-02-09 | 丹佛斯有限公司 | Method for manufacturing heat exchanger |
| EP4012320A4 (en) * | 2019-08-07 | 2023-08-30 | Danfoss A/S | Method for producing heat exchanger |
| CN113251847A (en) * | 2020-02-07 | 2021-08-13 | 马勒国际公司 | Inner fin and flat tube having the same |
| CN113251847B (en) * | 2020-02-07 | 2023-10-27 | 马勒国际公司 | Inner fin and flattened tube having the same |
| CN112902728A (en) * | 2021-04-14 | 2021-06-04 | 浙江银轮机械股份有限公司 | Heat exchange tube, heat exchange core and heat exchanger |
| WO2024089798A1 (en) * | 2022-10-26 | 2024-05-02 | 三菱電機株式会社 | Heat exchanger and refrigeration cycle device equipped with heat exchanger |
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Application publication date: 20180814 |