CN109506398A - A kind of intercooler finned tube and preparation method thereof - Google Patents
A kind of intercooler finned tube and preparation method thereof Download PDFInfo
- Publication number
- CN109506398A CN109506398A CN201811446002.8A CN201811446002A CN109506398A CN 109506398 A CN109506398 A CN 109506398A CN 201811446002 A CN201811446002 A CN 201811446002A CN 109506398 A CN109506398 A CN 109506398A
- Authority
- CN
- China
- Prior art keywords
- intercooler
- preparation
- finned tube
- sandwich layer
- composite layer
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/06—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of metal tubes
-
- 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
- F28F1/003—Multiple wall conduits, e.g. for leak detection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of intercooler finned tubes and preparation method thereof, belong to intercooler finned tube preparation technical field, including intercooler finned tube, intercooler finned tube includes sandwich layer, composite layer and punching, intercooler finned tube and preparation method thereof, it further include preparation method, preparation method includes the following steps: that sandwich layer cleans, composite layer cold drawing forging and stamping, high-frequency welding, the techniques such as plating, it is forged and pressed by using cold drawing, high-frequency welding, plating, it sealing propertytest and the techniques such as cleans and is dried again substrate sandwich layer and composite layer are processed, the performance of the intercooler finned tube made is more preferably more stable, the preparation method of this intercooler finned tube, processing program is simple, it is at low cost, properties of product are stablized, substantially improve product quality, and reduce manual operation in preparation process, high degree of automation, save it is artificial and when Between, it improves preparation efficiency and can ensure product quality.
Description
Technical field
The present invention relates to radiator fields, more particularly to a kind of intercooler finned tube and preparation method thereof, belong in it is cold
Device finned tube preparation technical field.
Background technique
With extensive use of the central air-conditioning in production and life, to important heat transfer element-fin in central air-conditioning
The research of pipe also just becomes more and more important.Currently, applied in central air-conditioning most commonly used finned tube is that inside and outside fin is purple
Copper pipe.Although this pipe heat transfer property is relatively good, consumption copper is also more, leads to the increase of production cost.Therefore, to finned tube
The research of production to be finally reached both improves central air-conditioning work for around how the use of effectively save copper metal is unfolded
The triple purposes for making efficiency, reducing production cost again, saving precious resource for country, composite fin tube is precisely in order to meet these
It needs and generates.It combines the advantage of multiple tube and finned tube respectively, be it is a kind of currently study in the world it is relatively broad
New and effective heat-transfer pipe.From the point of view of comprehensive data at home and abroad, the exploitation for composite fin tube series of products is carried out with Japan
It is more.As Japanese documentation reported outer with the compound radial fins pipe of stainless steel and welding production in the outer aluminium of rolling production
Stainless steel shaft is to composite fin tube in aluminium.But this kind of product that Japan is developed is the outer fin multiple tube of interior smooth surface, can't
Achieve the purpose that make full use of inner surface of tube product, improve its heat transfer property, and these documents are Japan Patent, so, it is right
It is not reported in more detail in the production technology of composite fin tube, a kind of intercooler finned tube and preparation method are badly in need of in the country.
Summary of the invention
To solve the problems, such as to propose in above-mentioned background technique, a kind of intercooler finned tube and preparation method thereof is provided, by adopting
With cold drawing hot forging pressure, high-frequency welding, plating and the techniques such as cleans and be dried again substrate sandwich layer and composite layer are processed
Processing, the composite performance of the intercooler finned tube made is more preferably more stable, the preparation method of this intercooler finned tube, processes journey
Sequence is simple, at low cost, and properties of product are stablized, and substantially improves product quality, and reduce manual operation in preparation process, automatically
Change degree is high, saves the artificial and time, improves preparation efficiency and can ensure product quality, can satisfy the needs of modern society.
To achieve the above object, the invention provides the following technical scheme: a kind of intercooler finned tube and preparation method thereof, packet
Include intercooler finned tube, the intercooler finned tube includes sandwich layer, composite layer and punching, the intercooler finned tube and its preparation
Method, further includes preparation method, and preparation method includes the following steps:
1) sandwich layer successively, sandwich layer cleaning step: is placed in cleaning device, high pressure air dryer, the sandwich layer after being cleaned；
2), composite layer forming step: composite layer is handled by cold drawing, obtains molding composite layer；
3), sandwich layer and composite layer forging step: molding composite layer is put above sandwich layer after cleaning, at hot pressing forging
Reason obtains double multiple materials；
4), forming step: double multiple materials that hot pressing is forged and pressed symmetrically are bent into composite fin structure, obtain molding double multiple
Material；
5), cooling step；The double multiple materials of the molding of completion are put into cooling device, are cooled down；
6), plating step: double multiple materials after cooling are subjected to zincincation, obtain finished product intercooler finned tube；
7) it, cleans again and is dried step: the effective hydraulic giant of intercooler fin is cleaned again, it then will be in after cleaning
Cooler finned tube is dried by high pressure air dryer；
8), finished product packing: finished product intercooler finned tube is cleaned, checked and packed.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the dry dress of the high-pressure blast
It sets including shell, the inside top of the shell is provided with sliding rail, and the bottom of the sliding rail is provided with sliding block, the sliding block
Bottom is provided with high pressure air pressure gun, and the middle position of the shell is provided with substrate sandwich layer, the top setting of the substrate sandwich layer
There is scraper plate, and be provided with automatic telescopic link on the right side of the scraper plate, and the bottom righthand side of the shell is provided with the first sewage draining exit, institute
It states sliding block to be flexibly connected with sliding rail, the automatic telescopic link is fixed by screws with scraper plate.
Include as a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the cleaning device
Cabinet, the inside top of the cabinet is provided with giant mounting rack, and the bottom of the giant mounting rack is provided with
Giant, the middle position of the cabinet is provided with rolling crawler belt, and the left upper end for rolling crawler belt is provided with feed inlet,
The upper right side for rolling crawler belt is provided with discharge port, and the bottom righthand side of the cabinet is provided with the second sewage draining exit, the high pressure
There are two hydraulic giant is total, and they are evenly distributed on the inside top of cabinet, the rolling crawler belt and cabinet and pass through screw activity
Connection.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the intercooler finned tube
Wall thickness be 0.08-1.2mm.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the sandwich layer is 3003.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the sandwich layer is 3005.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the composite layer is 7072
Aluminium alloy.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the intercooler finned tube
Recombination rate be 10 ± 2%.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the intercooler finned tube
State be H24.
As a kind of intercooler finned tube of the invention and preparation method thereof optimal technical scheme, the composite layer and base
It is completed by 4343 by high-frequency welding.
Compared with prior art, the beneficial effects of the present invention are:
In the present invention, using cold drawing hot forging pressure, high-frequency welding, plating and again clean and be dried etc. techniques to substrate sandwich layer and
Composite layer is processed, and the performance of the intercooler finned tube made is more preferably more stable, the preparation of this intercooler finned tube
Method, processing program is simple, at low cost, and properties of product are stablized, and substantially improves product quality, and reduce people in preparation process
Work operation, high degree of automation save the artificial and time, improve preparation efficiency and can ensure product quality.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of a preferred embodiment of intercooler finned tube solid according to the invention；
Fig. 2 is the overall structure diagram of a preferred embodiment of intercooler finned tube normal section according to the invention；
Fig. 3 is the overall structure diagram of a preferred embodiment of intercooler finned tube according to the invention lateral section；
Fig. 4 is the overall structure diagram of a preferred embodiment of high pressure air dryer according to the invention；
Fig. 5 is the overall structure diagram of a preferred embodiment of cleaning device according to the invention；
Fig. 6 is the overall structure diagram of a preferred embodiment of preparation section process according to the invention；
In figure: 1, shell；2, sliding rail；3, sliding block；4, high pressure air pressure gun；5, automatic telescopic link；6, scraper plate；7, the first sewage draining exit；8,
Substrate sandwich layer；9, giant mounting rack；10, giant；11, crawler belt is rolled；12, the second sewage draining exit；13, cabinet；14, into
Material mouth；15, discharge port.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of intercooler finned tube provided in this embodiment and its preparation
Method, including intercooler finned tube, the intercooler finned tube include sandwich layer, composite layer and punching, the intercooler finned tube
And preparation method thereof, it further include preparation method, preparation method includes the following steps:
1) sandwich layer successively, sandwich layer cleaning step: is placed in cleaning device, high pressure air dryer, the sandwich layer after being cleaned；
2), composite layer forming step: composite layer is handled by cold drawing, obtains molding composite layer；
3), sandwich layer and composite layer forging step: molding composite layer is put above sandwich layer after cleaning, at hot pressing forging
Reason obtains double multiple materials；
4), forming step: double multiple materials that hot pressing is forged and pressed symmetrically are bent into composite fin structure, and are punched out, and obtain
To molding double multiple materials；
5), cooling step；The double multiple materials of the molding of completion are put into cooling device, are cooled down；
6), plating step: double multiple materials after cooling are subjected to zincincation, obtain finished product intercooler finned tube；
7) it, cleans again and is dried step: the effective hydraulic giant of intercooler fin is cleaned again, it then will be in after cleaning
Cooler finned tube is dried by high pressure air dryer；
8), finished product packing: finished product intercooler finned tube is cleaned, checked and packed.
In the present embodiment, the high pressure air dryer includes shell 1, and the inside top of the shell 1 is provided with cunning
Rail 2, and the bottom of the sliding rail 2 is provided with sliding block 3, the bottom of the sliding block 3 are provided with high pressure air pressure gun 4, and the shell 1
Middle position is provided with substrate sandwich layer 8, and the top of the substrate sandwich layer 8 is provided with scraper plate 6, and the right side setting of the scraper plate 6
There is automatic telescopic link 5, and the bottom righthand side of the shell 1 is provided with the first sewage draining exit 7, the sliding block 3 is flexibly connected with sliding rail 2,
The automatic telescopic link 5 is fixed by screws with scraper plate 6.
In the present embodiment, the cleaning device includes cabinet 13, and the inside top of the cabinet 13 is provided with high pressure water
Rifle mounting rack 9, and the bottom of the giant mounting rack 9 is provided with giant 10, the interposition of the cabinet 13 installs
It is equipped with and rolls crawler belt 11, and the left upper end for rolling crawler belt 11 is provided with feed inlet 14, the upper right side for rolling crawler belt 11
It is provided with discharge port 15, and the bottom righthand side of the cabinet 13 is provided with the second sewage draining exit 12, the giant 10 is total two
It is a, and they are evenly distributed on the inside top of cabinet 13, the rolling crawler belt 11 is flexibly connected with cabinet 13 by screw, institute
The wall thickness for stating intercooler finned tube is 0.08-1.2mm.
In the present embodiment, the sandwich layer is 3003 or 3005, and the composite layer is 7072 aluminium alloys, and when sandwich layer is
When 3005, the composite layer and base are completed by 4343 by high-frequency welding, and the recombination rate of the intercooler finned tube is 10
± 2%, the state of the intercooler finned tube is H24.
In the present embodiment, the preparation method provided using the invention, by sandwich layer cleaning step, it is extra on sandwich layer to remove
Impurity, aluminium skimmings etc. influence compound factor, and by high pressure air dryer, removal cleaning moisture content etc., while can also be again
Remove impurity, it is ensured that compound yield rate, meanwhile, composite layer is carried out cold drawing process by the composite layer forming step of progress, can
Intensity is greatly improved, later, sandwich layer and composite layer are subjected to forging and stamping processing, forms double multiple materials, then carry out forming step, it can
It is effective to guarantee that mechanical strength does not reduce, it later, is cooled down, prevents material from deforming again, later, carry out plating step
Suddenly, the processing of zincincation is carried out, corrosion resistant erosion degree can be increased, improved service life, is finally cleaned and is dried again,
Finished product is completed, is packed, and carry out checking whether there is flaw etc., obtains the intercooler finned tube of finished goods, such intercooler
Finned tube, durability get a promotion, while thermal conductance is also increased dramatically, moreover, can be mentioned significantly using this preparation method
Production efficiency and yield rate are risen, product service life is improved, there is very high practicability and generalization.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of intercooler finned tube and preparation method thereof, including intercooler finned tube, it is characterised in that: the intercooler fin
Pipe includes sandwich layer, composite layer and punching, and described intercooler finned tube and preparation method thereof further includes preparation method, preparation method
Include the following steps:
1) sandwich layer successively, sandwich layer cleaning step: is placed in cleaning device, high pressure air dryer, the sandwich layer after being cleaned；
2), composite layer forming step: composite layer is handled by cold drawing, obtains molding composite layer；
3), sandwich layer and composite layer forging step: molding composite layer is put above sandwich layer after cleaning, at hot pressing forging
Reason obtains double multiple materials；
4), forming step: double multiple materials that hot pressing is forged and pressed symmetrically are bent into composite fin structure, and are punched out, and obtain
To molding double multiple materials；
5), cooling step；The double multiple materials of the molding of completion are put into cooling device, are cooled down；
6), plating step: double multiple materials after cooling are subjected to zincincation, obtain finished product intercooler finned tube；
7) it, cleans again and is dried step: the effective hydraulic giant of intercooler fin is cleaned again, it then will be in after cleaning
Cooler finned tube is dried by high pressure air dryer；
8), finished product packing: finished product intercooler finned tube is cleaned, checked and packed.
2. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the high pressure air-dries
Dry device includes shell (1), and the inside top of the shell (1) is provided with sliding rail (2), and the bottom setting of the sliding rail (2)
Have sliding block (3), the bottom of the sliding block (3) is provided with high pressure air pressure gun (4), and the middle position of the shell (1) is provided with base
Material sandwich layer (8) is provided with scraper plate (6) at the top of the substrate sandwich layer (8), and is provided on the right side of the scraper plate (6) and stretches automatically
Contracting bar (5), and the bottom righthand side of the shell (1) is provided with the first sewage draining exit (7), the sliding block (3) and sliding rail (2) activity are even
It connects, the automatic telescopic link (5) is fixed by screws with scraper plate (6).
3. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the cleaning device
Including cabinet (13), the inside top of the cabinet (13) is provided with giant mounting rack (9), and the giant is installed
The bottom of frame (9) is provided with giant (10), and the middle position of the cabinet (13), which is provided with, rolls crawler belt (11), and described
The left upper end for rolling crawler belt (11) is provided with feed inlet (14), and the upper right side for rolling crawler belt (11) is provided with discharge port
(15), and the bottom righthand side of the cabinet (13) is provided with the second sewage draining exit (12), there are two the giant (10) is total, and
They are evenly distributed on the inside top of cabinet (13), and the rolling crawler belt (11) is flexibly connected with cabinet (13) by screw.
4. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the intercooler wing
The wall thickness of piece pipe is 0.08-1.2mm.
5. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the sandwich layer is
3003。
6. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the sandwich layer is
3005。
7. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the composite layer is
7072 aluminium alloys.
8. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the intercooler wing
The recombination rate of piece pipe is 10 ± 2%.
9. a kind of intercooler finned tube according to claim 1 and preparation method thereof, it is characterised in that: the intercooler wing
The state of piece pipe is H24.
10. according to claim 1 or a kind of intercooler finned tube as claimed in claim 6 and preparation method thereof, it is characterised in that:
The composite layer and base are completed by 4343 by high-frequency welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446002.8A CN109506398A (en) | 2018-11-29 | 2018-11-29 | A kind of intercooler finned tube and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446002.8A CN109506398A (en) | 2018-11-29 | 2018-11-29 | A kind of intercooler finned tube and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109506398A true CN109506398A (en) | 2019-03-22 |
Family
ID=65751350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811446002.8A Pending CN109506398A (en) | 2018-11-29 | 2018-11-29 | A kind of intercooler finned tube and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109506398A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039696A (en) * | 2000-07-28 | 2002-02-06 | Matsumoto Jukogyo Kk | Fin tube and its manufacturing method |
| CN101947610A (en) * | 2010-08-03 | 2011-01-19 | 浙江广山汽车零部件有限公司 | Hydraulic oil radiator mainboard production process |
| CN103128455A (en) * | 2013-02-03 | 2013-06-05 | 张文军 | Air cooler aluminum finned tube and machining process and installation process thereof |
| CN204052237U (en) * | 2014-06-30 | 2014-12-31 | 何笑飞 | A kind of surface of the work cleaning device |
| CN104321451A (en) * | 2012-03-07 | 2015-01-28 | 美铝公司 | Improved 7XXX aluminum alloys, and methods for producing the same |
| CN205056016U (en) * | 2015-10-15 | 2016-03-02 | 常德市金润新材料科技有限公司 | Reation kettle with self-cleaning and shredding function |
| CN106595242A (en) * | 2016-12-20 | 2017-04-26 | 湛来 | Large-scale high-efficiency drying device for battery electrode slices |
-
2018
- 2018-11-29 CN CN201811446002.8A patent/CN109506398A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002039696A (en) * | 2000-07-28 | 2002-02-06 | Matsumoto Jukogyo Kk | Fin tube and its manufacturing method |
| CN101947610A (en) * | 2010-08-03 | 2011-01-19 | 浙江广山汽车零部件有限公司 | Hydraulic oil radiator mainboard production process |
| CN104321451A (en) * | 2012-03-07 | 2015-01-28 | 美铝公司 | Improved 7XXX aluminum alloys, and methods for producing the same |
| CN103128455A (en) * | 2013-02-03 | 2013-06-05 | 张文军 | Air cooler aluminum finned tube and machining process and installation process thereof |
| CN204052237U (en) * | 2014-06-30 | 2014-12-31 | 何笑飞 | A kind of surface of the work cleaning device |
| CN205056016U (en) * | 2015-10-15 | 2016-03-02 | 常德市金润新材料科技有限公司 | Reation kettle with self-cleaning and shredding function |
| CN106595242A (en) * | 2016-12-20 | 2017-04-26 | 湛来 | Large-scale high-efficiency drying device for battery electrode slices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103956219B (en) | A kind of preparation method of NbTi-CuNi-Cu super-conduct composite line material | |
| CN101380648B (en) | Copper aluminum composite pipes shaping method | |
| WO2007121622A1 (en) | A Cu/Al COMPOSITE PIPE AND A MANUFACTURING METHOD THEREOF | |
| CN102873098B (en) | Manufacturing method for ultrathin-wall titanium tubing | |
| CN106183220B (en) | A kind of composite bimetal pipe Thermal expansion-shrinkage combination production method | |
| CN103231209A (en) | Method for producing vacuum-embedded metallurgical composite bimetal seamless tube | |
| WO2018049585A1 (en) | Aluminum alloy composite strip for internal threaded heat exchange tube, and manufacturing method therefor | |
| CN106881373B (en) | The shear processing technology of Precipitation enhanced type Cu alloy material | |
| CN104191183A (en) | Metal composite pipe production method | |
| CN108842098B (en) | Processing technology of titanium alloy pipe | |
| CN101000218A (en) | Bus, heavy, duty truck radiation brazed of water chamber and main piece and its brazing technology | |
| CN103177817A (en) | Hydrostatic extrusion preparing method of aluminum clad copper composite materials | |
| CN109506398A (en) | A kind of intercooler finned tube and preparation method thereof | |
| CN1618540A (en) | Method for making soldered hot-rolled composite metal tube | |
| CN109489473A (en) | A kind of radiator main side plate and preparation method thereof | |
| CN109457263B (en) | Method for preparing magnesium alloy-stainless steel composite board | |
| CN1286393A (en) | Built-in plate-fins machine oil cooler made of aluminium | |
| CN106584043A (en) | Production method for wrapping-type flow collecting pipe | |
| CN106563931B (en) | A kind of production method of header | |
| CN107131757A (en) | A kind of vacuum drying oven highly effective ring red copper heat exchanger | |
| CN204902335U (en) | Cooling piping | |
| CN2783249Y (en) | Aluminium-steel composite profile material | |
| CN2662187Y (en) | An externally intensified heat transferring composite tube | |
| CN109489469A (en) | A kind of radiator flat tube and preparation method thereof suitable for parallel flow condenser | |
| CN203116582U (en) | Compound aluminum tube bank used for cold storage refrigeration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 224200 No.9, Weiqi Road, Dongtai Economic Development Zone, Yancheng City, Jiangsu Province Applicant after: Shanghai, the new Dongtai heat transfer materials Co. Ltd. Address before: 224200 No. 9 Weiqi Road, Yancheng Economic Development Zone, Jiangsu Province Applicant before: Shanghai, the new Dongtai heat transfer materials Co. Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190322 |
|
| RJ01 | Rejection of invention patent application after publication |