CN101788244A - Pipe joint structure - Google Patents
Pipe joint structure Download PDFInfo
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- CN101788244A CN101788244A CN200910003388A CN200910003388A CN101788244A CN 101788244 A CN101788244 A CN 101788244A CN 200910003388 A CN200910003388 A CN 200910003388A CN 200910003388 A CN200910003388 A CN 200910003388A CN 101788244 A CN101788244 A CN 101788244A
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Abstract
The invention relates to a pipe joint structure, comprising a collecting pipe for delivering fluid along a first direction, an inlet/outlet pipe for delivering fluid along a second direction which is perpendicular to the first direction and a hollow pipe joint hermetically jointed to the collecting pipe and the inlet/outlet pipe. The first joint part of the pipe joint is jointed to one end part of the inlet/outlet pipe and maintains the fluid communication, the second joint part of the pipe joint is jointed to the collecting pipe and maintains the fluid communication with the collecting pie via a hole on the side wall of the collecting pipe, thereby enabling the fluid communication between the inlet/outlet pipe and the collecting pipe is maintained. The second joint part forms a pipe-like wall or partially pipe-like wall configuration jointed to the collecting pipe. The pipe joint structure has advantages of small pressure drop in the inlet/outlet pipe, high burst strength in the joint part and low cost.
Description
Technical field
The present invention relates to a kind of pipe joint structure, especially but not exclusively relate to a kind of pipe joint structure that is used for heat exchanger.
Background technology
In the application of all kinds of pipe-line systems,, to use pipe joint structure inevitably, particularly for the connection between two vertical duct for the change that realizes the pipeline throughput direction, the shunting of fluid, the connection between each pipeline etc.For example, in existing aluminium heater, employing will directly be inserted into as the import and export pipe of arm as the method in the header of being responsible for usually, realize that the fluid between two pipelines is communicated with.
Fig. 1 shows pipe joint structure 10 of the prior art.This pipe joint structure 10 comprises that header 11, hole 12 and the along continuous straight runs on the header sidewall vertically carried such as the cold-producing medium of water provide/the import and export pipe 13 of refrigerant emission, wherein, this import and export pipe 13 passes this hole 12 and directly is inserted in the header 11, and be connected to this header 11 by welding in the joint, realized that thus the fluid between level and the vertical duct is communicated with.
The 10 simple and easily enforcements of aforementioned tube joint design, but because import and export pipe 13 inserts in the header 11, and import and export pipe place flow of refrigerant resistance increases, thereby cause pipe joint structure 10 existence to import and export the bigger shortcoming of pipe place's refrigerant pressure drop; On the other hand, because the welding contact-making surface of the joint of import and export pipe 13 and header 11 is less, cause this pipe joint structure 10 to have the low deficiency of joint weld strength.
For this reason, people propose to weld aluminium block on header, and will import and export the pipe joint method in the hole that pipe is inserted into this aluminium block, though the pipe joint structure that obtains thus can weaken above-mentioned defective to a certain extent, have also produced new problem.Promptly in this pipe joint structure,, all exist materials to reach the high problem of processing cost more, cause the cost of product and weight to increase thus because this aluminium block no matter be to hole by first extrusion modling to form, still forms by whole machined moulding again.
Summary of the invention
In order to solve the above-mentioned defective that exists in the prior art, the purpose of this invention is to provide a kind of and the known structure specific energy pipe joint structure that reduces to import and export pipe place fluid-pressure drop and increase the joint burst strength mutually.Further aim of the present invention provides a kind ofly compares with known structure that cost is low, the pipe joint structure of light weight.
According to the invention provides a kind of pipe joint structure, this pipe joint structure comprises the header of carrying fluid along first direction, along carrying the import and export pipe of fluid with the vertical second direction of first direction and engaging header hermetically and import and export the pipe joint of the hollow of pipe, wherein, first junction surface of pipe joint joins to merging with an end of importing and exporting pipe and keeps fluid to be communicated with, the Kong Eryu header that second junction surface and the header of pipe joint joins on the sidewall of merga pass header keeps fluid to be communicated with, thereby make that importing and exporting pipe keeps fluid to be communicated with header, wherein, second junction surface forms tubular wall or the part tubular wall configuration that engages with header.
Preferably, first junction surface can be designed to hold the end of importing and exporting pipe.More preferably, an end of importing and exporting pipe is inserted in first junction surface, and the import and export pipe is positioned at the outside of header along the flow path of first direction.Wherein, the end at first junction surface can have enlarging so that the import and export pipe is inserted in first junction surface.
Perhaps, importing and exporting pipe can be set on the outer wall at first junction surface.
In each scheme of the present invention, first junction surface can be tubulose, imports and exports pipe and can be welded to first junction surface.
In an embodiment of the present invention, the outer wall of second junction surface and header is fitted, and the center line at first junction surface is vertical with the center line of the tubular wall at place, second junction surface.
In this embodiment, pipe joint can be with aluminium sheet by once being stamped to form type towards the hole flanging mould.Preferably, the internal diameter size at described first junction surface that punching press forms is equal to or slightly greater than the outside dimension of described import and export pipe, and the diameter in the hole on the sidewall of header is more than or equal to the internal diameter of importing and exporting pipe.
In another embodiment of the present invention, the inwall of second junction surface and header is fitted, and the center line at first junction surface is vertical with the center line of the tubular wall at place, second junction surface.
In this embodiment, the diameter in the hole on the sidewall of header can be less than or equal to the external diameter of importing and exporting pipe, and preferably, pipe joint also comprises the transition part that is formed between first junction surface and second junction surface.Wherein, first junction surface of pipe joint processes by enlarging with the aluminum pipe that can match with the hole, and the not flared end of this aluminum pipe is inserted in this hole, and to this not flared end carry out enlarging and form second junction surface on the inwall that fits in header.
In an embodiment more of the present invention, the pore that turns up of the outstanding height of the sidewall of this header of Kong Weicong on the sidewall of header, fit with the inwall or the outer wall of the pore that turns up in second junction surface, and the center line at first junction surface is parallel with the center line at second junction surface.
In this embodiment, when fit with the outer wall of the pore that turns up in second junction surface, the internal diameter at second junction surface can be less than or equal to the internal diameter at described first junction surface.Preferably, when the internal diameter at the internal diameter at first junction surface and second junction surface was unequal, pipe joint also comprised the transition part that is formed between first junction surface and second junction surface.
In this embodiment, the pore that turns up can form the outside flange of this micropore towards header by bore a micropore on the sidewall of header again.
In each preferred embodiment of the present invention, second junction surface can be welded to header.
Adopt technical scheme of the present invention, on the one hand, form tubulose thin-walled or the part tubulose thin-walled configuration that engages with header, make pipe joint and header have bigger bonding area by second junction surface, weld strength increases, and makes that simultaneously the quality of product alleviates, cost reduces; On the other hand, be designed to hold the end of importing and exporting pipe by first junction surface, make pipe joint and import and export pipe have bigger bonding area, weld strength also obtains increasing; Again on the one hand, the end by outlet is inserted in first junction surface, and imports and exports pipe and be positioned at the outside of header along the flow path of first direction, makes that importing and exporting pipe place fluid flow resistance reduces, thereby has reduced fluid-pressure drop.
Description of drawings
Below with reference to the accompanying drawings the present invention is described in detail, wherein:
Fig. 1 shows the cutaway view of pipe joint structure common in the prior art;
Fig. 2 shows the perspective view according to the pipe joint structure of first embodiment of the invention;
Fig. 3 A-3C shows perspective view, front view and the side sectional view of the pipe joint of pipe joint structure among Fig. 2 respectively;
Fig. 4 shows the forming process of the pipe joint among Fig. 3 A-3C;
Fig. 5 A and 5B show forward cutaway view and the side sectional view according to the pipe joint structure of second embodiment of the invention respectively;
Fig. 6 shows the adapter of the pipe joint that is used for shop drawings 5A and 5B pipe joint structure;
Fig. 7 shows the cutaway view according to the pipe joint structure of third embodiment of the invention; With
Fig. 8 shows the cutaway view according to the pipe joint structure of fourth embodiment of the invention.
The specific embodiment
Fig. 2 is the perspective view according to the pipe joint structure 20 of first embodiment of the invention.This pipe joint structure 20 comprises header 11, imports and exports pipe 13 and pipe joint 100, wherein, header 11 is carried fluid along first direction (x direction as shown in Figure 2), this fluid includes but not limited to the heat exchange medium such as water, oil, this header 11 has the through hole (not shown) that is formed on its sidewall, is used for and other pipeline cross connection; Import and export pipe 13 and carry fluid along second direction (y direction as shown in Figure 2), first direction is vertical substantially with second direction usually; Pipe joint 100 is used for engaging with header 11 and import and export pipe 13 hermetically, this pipe joint 100 is a hollow, and can comprise first junction surface 101 that engages with an end of importing and exporting pipe 13, and second junction surface 102 (as shown in Figure 3A) that engages with hole on the sidewall of header 11, make header 11 and import and export pipe 13 keep fluids to be communicated with, realize that thus fluid shunting, fluid supply or fluid discharge.
In present embodiment and other embodiments of the invention, first junction surface 101 can be designed to hold the end of importing and exporting pipe 13, thereby increase first junction surface 101 and the bonding area of importing and exporting pipe 13, make both connect reliably, increased the burst strength of joint.Preferably, an end of importing and exporting pipe 13 is inserted in first junction surface 101, as shown in Figure 2, and make that importing and exporting pipe 13 is positioned at the outside of header 11 along the flow path of first direction, promptly import and export the inside that pipe 13 is not inserted into header 11, thereby avoided fluid in the header 11 owing to the insertion of importing and exporting pipe increases flow resistance, caused the fluid in the header 11 to increase in the pressure drop of importing and exporting the tube end place.
Alternatively, import and export pipe 13 and also can be set on the outer wall at first junction surface 101, and with its reliable connection.In this arrangement, import and export pipe 13 and can not be inserted into the inside of header 11, thereby also avoided the increase of fluid-pressure drop in the header 11.
Preferably, first junction surface 101 can be tubulose, so that processing and make the little light weight of final products volume.Welding is advantageously adopted with importing and exporting engaging of pipe 13 in first junction surface 101, or adopts and wait other suitable juncture such as bonding.
Fig. 3 A-3C at length shows the pipe joint 100 in the first embodiment of the invention.First junction surface 101 of this pipe joint 100 is a tubulose, and second junction surface 102 forms the part tubular wall of fitting with the outer wall of header 11, and the center line at this first junction surface 101 is vertical substantially with the center line (being the center line of header 11) of the tubular wall at 102 places, second junction surface.Second junction surface 102 has bigger bonding area with header 11, therefore makes the intensity height of pipe joint structure 20.
In this embodiment, as shown in Figure 4, pipe joint 100 can be with aluminium sheet 15 by once being stamped to form type towards the hole flanging mould, and thus, this pipe joint consumption is few, easy, the low cost of manufacture of processing.The material of pipe joint 100 is not limited to aluminium, and the material that other suitable ductility is good also can use, for example copper.Preferably, pipe joint 100 is equal to or slightly greater than the outside dimension of importing and exporting pipe 13 by the internal diameter size at tubulose first junction surface 101 that forms behind hole flanging, and fit clearance between the two meets the soldering requirement.Preferably, the diameter in the hole on the sidewall of header 11 should be more than or equal to the internal diameter of importing and exporting pipe 13.
Fig. 5 A and 5B show forward cutaway view and the side sectional view according to the pipe joint structure 30 of second embodiment of the invention respectively.Similar with first embodiment, the pipe joint structure 30 of second embodiment comprises header 11, with the vertically disposed substantially import and export pipe 13 of header 11 and engage header 11 hermetically and import and export the hollow tube joint 200 of pipe 13, header 11, import and export and keep fluid to be communicated with between pipe 13 and pipe joint 200 threes.
In order to guarantee the structural strength of pipe joint, preferably the diameter in the hole 12 on the sidewall of header 11 is less than or equal to the external diameter of importing and exporting pipe 13, and pipe joint 200 also comprises the transition part 202 that is formed between first junction surface 101 and second junction surface 203.
This pipe joint structure 30 can be realized by following step.At first, intercept a bit of tubing with good ductility, for example a bit of aluminum pipe, enlarging is carried out in a end to this aluminum pipe, form adapter 205 as shown in Figure 6, part after this aluminum pipe enlarging forms first junction surface 101 of pipe joint 200, and its internal diameter is equal to or slightly greater than the external diameter of the import and export pipe 13 that is contained in wherein.Certainly, more preferably be the aluminum pipe of selecting internal diameter directly to match with the external diameter of import and export pipe 13.Secondly, perforate on the sidewall of header 11 makes the not flared end of this aluminum pipe be inserted in the header 11 by this hole.With flaring tool the bottom port of this adapter 205 is carried out enlarging again, form second junction surface 203 of inwall of applying header 11 and the transition part 202 between first junction surface 101 and second junction surface 203.
Preferably, adopt inwall that the method for welding makes first junction surface 101 to manage 13 outer wall and make the inner wall sealing ground of second junction surface 203 and header 11 and be connected securely with importing and exporting, because importing and exporting pipe 13 is inserted in first junction surface 11, the configuration that second junction surface 203 forms the part tubular wall is fitted on the inwall of header 11, therefore, the welding contact area is big, the weld strength height.In addition, import and export pipe 13 and be inserted in the adapter 205, need not be inserted in the header 11, therefore, the flow resistance at fluid 12 places in the hole in the header is little, and pressure drop is also corresponding to be reduced.Simultaneously, this pipe joint structure is simple, is easy to processing, thus low cost of manufacture.
Fig. 7 and Fig. 8 show the cutaway view of the pipe joint structure 40,50 of two other preferred embodiment according to the present invention respectively.Different with previous embodiment is that the hole on the sidewall of header 11 stretches out and an outstanding height from this sidewall, forms as Fig. 7 or the pore 14 that turns up shown in Figure 8.This pore 14 that turns up for example can be by boring a micropore on the sidewall of header 11, with the flange instrument this micropore is formed towards the outside flange of header 11 again.
In the embodiment shown in fig. 7, second junction surface 303 of pipe joint 300 fits with the outer wall of the pore 14 that turns up, and form the tubular wall configuration, and the center line at first junction surface 101 is parallel with the center line at second junction surface 303.Preferably, the internal diameter at second junction surface 303 is less than or equal to the internal diameter at first junction surface 101, so that the pipe joint 300 that processes by enlarging has good structural strength.And in the embodiment shown in fig. 8, second junction surface 403 of pipe joint 400 fits with the inwall of the pore 14 that turns up.
In above-mentioned two embodiment, pipe joint 300 and 400 can process with the method similar with forming adapter 205, and the size at its first junction surface and second junction surface is fit to respectively and imports and exports pipe 13 and matches with the pore 14 that turns up.In addition, pipe joint 300 and 400 also can comprise the transition part 302 and 402 that is formed between first junction surface and second junction surface respectively.
Similarly, pipe joint 300 and 400 material are not limited to aluminum pipe, and the material that other suitable ductility is good also can use, for example copper pipe.Second junction surface 302,402 can be to adopt welding with importing and exporting engaging of pipe 13, or adopts and wait other suitable juncture such as bonding.
Although the present invention by with reference to the accompanying drawings and mode in conjunction with the preferred embodiments be described in detail, the present invention is not limited to this.Under the prerequisite that does not break away from spirit of the present invention and essence, those of ordinary skill in the art can carry out the distortion and the change of various equivalences to embodiments of the invention, and these distortion and change are all in covering scope of the present invention.
Claims (19)
1. pipe joint structure, comprise the header of carrying fluid along first direction, along carrying the import and export pipe of fluid and engage described header hermetically and the pipe joint of the hollow of described import and export pipe with the vertical second direction of first direction, wherein, first junction surface of described pipe joint joins to merging with an end of described import and export pipe and keeps fluid to be communicated with, the described header of Kong Eryu that second junction surface of described pipe joint and described header join on the sidewall of the described header of merga pass keeps fluid to be communicated with, thereby make described import and export pipe and described header keep fluid to be communicated with, it is characterized in that: described second junction surface forms tubular wall or the part tubular wall configuration that engages with described header.
2. pipe joint structure as claimed in claim 1 is characterized in that: described first junction surface is designed to hold the end of described import and export pipe.
3. pipe joint structure as claimed in claim 2 is characterized in that: an end of described import and export pipe is inserted in described first junction surface, and described import and export pipe is positioned at the outside of described header along the flow path of described first direction.
4. pipe joint structure as claimed in claim 3 is characterized in that: the end at described first junction surface has enlarging so that described import and export pipe is inserted in described first junction surface.
5. pipe joint structure as claimed in claim 1 is characterized in that: described import and export pipe box is located on the outer wall at described first junction surface.
6. as each described pipe joint structure in the claim 1 to 5, it is characterized in that: described first junction surface is a tubulose.
7. as each described pipe joint structure in the claim 1 to 5, it is characterized in that: described import and export pipe is welded to described first junction surface.
8. as each described pipe joint structure in the claim 1 to 5, it is characterized in that: the outer wall of described second junction surface and described header is fitted, and the center line at described first junction surface is vertical with the center line of the tubular wall at place, described second junction surface.
9. pipe joint structure as claimed in claim 8 is characterized in that: described pipe joint with aluminium sheet by once being stamped to form type towards the hole flanging mould.
10. pipe joint structure as claimed in claim 9 is characterized in that: the internal diameter size at described first junction surface is equal to or greater than the outside dimension of described import and export pipe, and the diameter in described hole is more than or equal to the internal diameter of described import and export pipe.
11. as each described pipe joint structure in the claim 1 to 5, it is characterized in that: the inwall of described second junction surface and described header is fitted, and the center line at described first junction surface is vertical with the center line of the tubular wall at place, described second junction surface.
12. pipe joint structure as claimed in claim 11 is characterized in that: the diameter in described hole is less than or equal to the external diameter of described import and export pipe.
13. pipe joint structure as claimed in claim 12 is characterized in that: described pipe joint also comprises the transition part that is formed between described first junction surface and second junction surface.
14. pipe joint structure as claimed in claim 13, it is characterized in that: first junction surface of described pipe joint is with processing by enlarging with the aluminum pipe that matches in described hole, and the not flared end of this aluminum pipe is inserted in the described hole, and to this not flared end carry out enlarging again and form second junction surface on the inwall that fits in described header.
15. as each described pipe joint structure in the claim 1 to 5, it is characterized in that: the pore that turns up of the outstanding height of the sidewall of the described header of described Kong Weicong, the inwall of described second junction surface and the described pore that turns up or outer wall are fitted, and the center line at described first junction surface is parallel with the center line at described second junction surface.
16. pipe joint structure as claimed in claim 15 is characterized in that: when the outer wall of described second junction surface and the described pore that turns up was fitted, the internal diameter at described second junction surface was less than or equal to the internal diameter at described first junction surface.
17. pipe joint structure as claimed in claim 15, it is characterized in that: when the internal diameter at the internal diameter at described first junction surface and described second junction surface was unequal, described pipe joint also comprised the transition part that is formed between described first junction surface and described second junction surface.
18. pipe joint structure as claimed in claim 15 is characterized in that: the described pore that turns up forms the outside flange of this micropore towards described header by bore a micropore on the sidewall of described header again.
19. as claim 10,14 or 18 described pipe joint structures, it is characterized in that: described second junction surface is welded to described header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910003388A CN101788244A (en) | 2009-01-22 | 2009-01-22 | Pipe joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910003388A CN101788244A (en) | 2009-01-22 | 2009-01-22 | Pipe joint structure |
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|---|---|
| CN101788244A true CN101788244A (en) | 2010-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910003388A Pending CN101788244A (en) | 2009-01-22 | 2009-01-22 | Pipe joint structure |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697745A (en) * | 2014-01-20 | 2014-04-02 | 丹佛斯微通道换热器（嘉兴）有限公司 | Collecting pipe assembly and heat exchanger with collecting pipe assembly |
| CN104114971A (en) * | 2012-02-16 | 2014-10-22 | 德尔福技术有限公司 | Face plumbing adapter for a heat exchanger assembly |
| CN105547028A (en) * | 2014-04-16 | 2016-05-04 | 英瑞美国有限责任公司 | Heat exchanger tube with concave-shaped end and method of manufacturing a heat exchanger tube with concave-shaped end |
| WO2016107422A1 (en) * | 2014-12-29 | 2016-07-07 | 杭州三花微通道换热器有限公司 | Heat exchanger and collecting pipe assembly thereof |
| CN106322841A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322840A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322838A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322846A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322839A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Microchannel heat exchanger |
| CN106322842A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger and application thereof to system |
| CN106322843A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322845A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106338162A (en) * | 2015-06-30 | 2017-01-18 | 杭州三花家电热管理系统有限公司 | Microchannel heat exchanger and application of same in system |
| CN106352605A (en) * | 2015-06-30 | 2017-01-25 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger and application thereof in system |
| CN110132044A (en) * | 2018-02-02 | 2019-08-16 | 秦凤海 | A kind of new-type connector of baseboard radiator |
| CN111765270A (en) * | 2019-04-01 | 2020-10-13 | 浙江三花智能控制股份有限公司 | Four-way valve |
-
2009
- 2009-01-22 CN CN200910003388A patent/CN101788244A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104114971A (en) * | 2012-02-16 | 2014-10-22 | 德尔福技术有限公司 | Face plumbing adapter for a heat exchanger assembly |
| CN103697745A (en) * | 2014-01-20 | 2014-04-02 | 丹佛斯微通道换热器（嘉兴）有限公司 | Collecting pipe assembly and heat exchanger with collecting pipe assembly |
| CN105547028A (en) * | 2014-04-16 | 2016-05-04 | 英瑞美国有限责任公司 | Heat exchanger tube with concave-shaped end and method of manufacturing a heat exchanger tube with concave-shaped end |
| WO2016107422A1 (en) * | 2014-12-29 | 2016-07-07 | 杭州三花微通道换热器有限公司 | Heat exchanger and collecting pipe assembly thereof |
| CN106322839A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Microchannel heat exchanger |
| CN106322840A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322838A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322846A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322841A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322842A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger and application thereof to system |
| CN106322843A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106322845A (en) * | 2015-06-30 | 2017-01-11 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger |
| CN106338162A (en) * | 2015-06-30 | 2017-01-18 | 杭州三花家电热管理系统有限公司 | Microchannel heat exchanger and application of same in system |
| CN106352605A (en) * | 2015-06-30 | 2017-01-25 | 杭州三花家电热管理系统有限公司 | Micro-channel heat exchanger and application thereof in system |
| CN110132044A (en) * | 2018-02-02 | 2019-08-16 | 秦凤海 | A kind of new-type connector of baseboard radiator |
| CN111765270A (en) * | 2019-04-01 | 2020-10-13 | 浙江三花智能控制股份有限公司 | Four-way valve |
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Owner name: DANFOSS INC. Effective date: 20120817 Owner name: SANHUA HOLDING GROUP CO., LTD. Free format text: FORMER OWNER: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., LTD. Effective date: 20120817 |
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Address after: 310018 No. 289, No. 12, Hangzhou economic and Technological Development Zone, Zhejiang Applicant after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Address before: 310018 No. 60, No. 21, Hangzhou economic and Technological Development Zone, Zhejiang Province Applicant before: DANFOSS SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: DANFOSS SANHUA (HANGZHOU) MICRO-CHANNEL HEAT EXCHANGER CO., LTD. TO: HANGZHOU SANHUA MICRO-CHANNEL HEAT EXCHANGER CO., LTD. Free format text: CORRECT: ADDRESS; FROM: 310018 HANGZHOU, ZHEJIANG PROVINCE TO: 312500 SHAOXING, ZHEJIANG PROVINCE |
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Effective date of registration: 20120817 Address after: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Applicant after: SANHUA HOLDING GROUP Co.,Ltd. Applicant after: DANFOSS A/S Address before: 310018 No. 289, No. 12, Hangzhou economic and Technological Development Zone, Zhejiang Applicant before: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. |
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Application publication date: 20100728 |