CN202973679U - Refrigerant distributor and heat exchanger using same - Google Patents
Refrigerant distributor and heat exchanger using same Download PDFInfo
- Publication number
- CN202973679U CN202973679U CN201220704662.3U CN201220704662U CN202973679U CN 202973679 U CN202973679 U CN 202973679U CN 201220704662 U CN201220704662 U CN 201220704662U CN 202973679 U CN202973679 U CN 202973679U
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- Prior art keywords
- distributing pipe
- refrigerant distributor
- refrigerant
- pipe
- heat exchanger
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 47
- 238000009826 distribution Methods 0.000 claims abstract description 26
- 239000000463 material Substances 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 230000008676 import Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000009827 uniform distribution Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a refrigerant distributor, including one-level distribution portion, this one-level distribution portion is including the first distributing pipe and many and the first distributing pipe intercommunication that have the refrigerant import, and has the second distributing pipe in a plurality of equal liquid holes, and a plurality of equal liquid holes are located the orificial on the surface that deviates from the heat exchange tube on the second distributing pipe. Above-mentioned refrigerant distributor will all liquid hole set up on the orificial surface that deviates from the heat exchange tube on the second distribution pipe, when the refrigerant flows out the second distribution pipe, because the refrigerant receives the action of gravity, its kinetic energy will reduce, and the refrigerant flows to the second distribution pipe from all liquid holes on the surface, forms even liquid film, and its kinetic energy will further reduce. The refrigerant distributor greatly reduces the kinetic energy of the refrigerant after flowing through the primary distribution part, reduces the amount of the refrigerant which is sputtered, and effectively relieves the problem of uneven distribution of the refrigerant. The utility model also discloses a heat exchanger of having above-mentioned refrigerant distributor.
Description
Technical field
The utility model relates to the heat-exchange apparatus technical field, relates in particular to a kind of refrigerant distributor.The utility model also relates to a kind of heat exchanger with above-mentioned refrigerant distributor.
Background technology
Heat-exchange apparatus is used for the energy of cold-producing medium is passed to working media, make the temperature of working media raise or reduce, with the demand of conforming, the core component of the heat-exchange apparatus that uses at present is heat exchanger, this heat exchanger is divided into evaporimeter and condenser, and both work mainly depends on the state variation of cold-producing medium.Along with the development of economy, the efficiency of heat-exchange apparatus more and more by more people pay attention to.
Take evaporimeter as example, evaporimeter comparatively commonly used mainly contains three kinds at present: dry evaporator, flooded evaporator and downward film evaporator, than dry evaporator and flooded evaporator, downward film evaporator has that refrigerant charge is less, the oil return effect is higher and the advantage such as heat transfer effect is better, so downward film evaporator has obtained using widely.Yet the efficiency of above-mentioned evaporimeter and the distribution of cold-producing medium are closely bound up, and especially in downward film evaporator, whether the performance of its advantage and the distribution of cold-producing medium evenly exist larger relation.
In the refrigerant distributor that generally uses at present, because the equal liquid hole on the cross directional stretch capillary is opened in its bottom, and cold-producing medium flows into and when flowing out from equal liquid hole from feed tube, because it still has on other structures or heat exchange pipe external surface that larger kinetic energy is splashed to distributor, cause cold-producing medium to distribute uneven.The problems referred to above exist in condenser equally.
In sum, how to alleviate cold-producing medium and distribute uneven problem, become the great technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
The purpose of this utility model is to provide a kind of refrigerant distributor, and this refrigerant distributor can effectively be alleviated cold-producing medium and distribute uneven problem.Another purpose of the present utility model is to provide a kind of heat exchanger with above-mentioned refrigerant distributor.
In order to realize above-mentioned first purpose, the utility model provides following technical scheme:
A kind of refrigerant distributor, comprise the one-level dispenser, described one-level dispenser comprises that the first distributing pipe with refrigerant inlet and many are communicated with described the first distributing pipe, and the second distributing pipe with a plurality of equal liquid holes, a plurality of described equal liquid holes are positioned on the surface of the mouth of pipe that deviates from heat exchanger tube on described the second distributing pipe.
Preferably, in above-mentioned refrigerant distributor, level distributing pipe and second subprime distributing pipe for the first time that described the first distributing pipe comprises the chopped-off head distributing pipe with described refrigerant inlet and is connected to described chopped-off head distributing pipe two ends, the two ends of described the second distributing pipe respectively with the described distributing pipe of level for the first time be connected the second subprime distributing pipe and be connected.
Preferably, in above-mentioned refrigerant distributor, described the first distributing pipe comprises the chopped-off head distributing pipe with described refrigerant inlet and the secondary distributing pipe that is connected in described chopped-off head distributing pipe one end, and an end of described the second distributing pipe is connected with described secondary distributing pipe.
Preferably, in above-mentioned refrigerant distributor, the mid point line of a plurality of described equal liquid holes on every described the second distributing pipe is parallel to the axis of described the second distributing pipe, and the face that described mid point line and described axis form is positioned at vertical plane.
Preferably, in above-mentioned refrigerant distributor, described refrigerant inlet is arranged at the center of described chopped-off head distributing pipe.
Preferably, in above-mentioned refrigerant distributor, the diameter of a plurality of described equal liquid holes successively decreases to the two ends of described the second distributing pipe successively from the middle part of described the second distributing pipe.
Preferably, in above-mentioned refrigerant distributor, described chopped-off head distributing pipe is communicated with the middle part of described level distributing pipe for the first time and described second subprime distributing pipe.
Preferably, in above-mentioned refrigerant distributor, the centre distance between adjacent two described the second distributing pipes equates, and described centre distance be adjacent two described equal liquid holes centre-to-centre spacing 0.8-1.2 doubly.
Preferably, in above-mentioned refrigerant distributor, the secondary distribution section of described refrigerant distributor is porose material and/or porous plate.
Preferably, in above-mentioned refrigerant distributor, a plurality of separatory hole in described secondary distribution section is corresponding one by one with the mouth of pipe of described heat exchanger tube.
In technique scheme, the one-level dispenser of the refrigerant distributor that the utility model provides comprises the first distributing pipe and Duo Gen the second distributing pipe, has refrigerant inlet on the first distributing pipe, many the second distributing pipes are communicated with the first distributing pipe, and be provided with a plurality of equal liquid holes on this second distributing pipe, and a plurality of equal liquid hole is positioned on the surface of the mouth of pipe that deviates from heat exchanger tube on the second distributing pipe.During the work of this refrigerant distributor, after the cold-producing medium that is flowed into by the refrigerant inlet of the first distributing pipe enters the second distributing pipe, a plurality of equal liquid holes of flowing through successively, and flow out this one-level dispenser by equal liquid hole.
By foregoing description as can be known, the refrigerant distributor that the utility model provides is arranged at equal liquid hole on the surface of the mouth of pipe that deviates from heat exchanger tube on the second distributing pipe, when cold-producing medium flows out the second distributing pipe, because cold-producing medium is subject to Action of Gravity Field, its kinetic energy will reduce to some extent, and cold-producing medium flow on the surface of the second distributing pipe from equal liquid hole, forms uniform liquid film, and its kinetic energy will further reduce.As seen, the kinetic energy that the refrigerant distributor that the utility model provides makes cold-producing medium flow through after the one-level dispenser reduces greatly, has reduced the amount that the cold-producing medium of sputter occurs, and has effectively alleviated cold-producing medium and has distributed uneven problem.
In order to realize above-mentioned second purpose, the utility model also provides a kind of heat exchanger, comprises heat exchanger tube and the refrigerant distributor that is oppositely arranged with the mouth of pipe of described heat exchanger tube, and described refrigerant distributor is the described refrigerant distributor of above-mentioned any one.Because above-mentioned refrigerant distributor has above-mentioned technique effect, the heat exchanger with this refrigerant distributor also should have corresponding technique effect.
Description of drawings
The structural representation of the refrigerant distributor that Fig. 1 provides for the utility model embodiment;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the structure for amplifying schematic diagram of C part in Fig. 2;
Fig. 4 is that the B-B of Fig. 1 is to cutaway view;
The structural representation of the porous plate that Fig. 5 provides for the utility model embodiment;
The structural representation of the heat exchanger that Fig. 6 provides for the utility model embodiment.
In upper Fig. 1-6:
The specific embodiment
Core of the present utility model is to provide a kind of refrigerant distributor, and this refrigerant distributor can effectively be alleviated cold-producing medium and distribute uneven problem.Another core of the present utility model is to provide a kind of heat exchanger with above-mentioned refrigerant distributor.
In order to make those skilled in the art understand better the technical scheme that the utility model provides, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Fig. 1-4, the refrigerant distributor that the utility model embodiment provides comprises one-level dispenser and secondary distribution section, the one-level dispenser comprises feed tube 11, the first distributing pipe and Duo Gen the second distributing pipe 15, secondary distribution section can be comprised of porous material layer and porous plate 21, and porous plate 21 is relative with the mouth of pipe of heat exchanger tube.Has refrigerant inlet on the first distributing pipe, feed tube 11 is communicated with the first distributing pipe by this refrigerant inlet, many the second distributing pipes 15 all are connected with the first distributing pipe, and have a plurality of equal liquid holes 16 on the second distributing pipe 15, particularly, the first distributing pipe cross direction profiles, the second distributing pipe 15 vertically distributes.The improvement of the refrigerant distributor that the utility model embodiment provides is, above-mentioned a plurality of equal liquid holes 16 are positioned on the surface of the mouth of pipe that deviates from heat exchanger tube on the second distributing pipe 15.
During above-mentioned refrigerant distributor work, cold-producing medium is flowed through and is flowed into the second distributing pipe 15 after feed tube 11 and the first distributing pipe, and a plurality of equal liquid holes 16 of flowing through successively, and flow out this one-level dispenser by equal liquid hole 16, through flowing in corresponding heat exchanger tube after the distribution of secondary distribution section.
The refrigerant distributor that the utility model embodiment provides is arranged at equal liquid hole 16 on the surface of the mouth of pipe that deviates from heat exchanger tube on the second distributing pipe 15, when cold-producing medium flows out the second distributing pipe 15, because cold-producing medium is subject to Action of Gravity Field, its kinetic energy will reduce to some extent, and cold-producing medium flow on the surface of the second distributing pipe 15 from equal liquid hole 16, form uniform liquid film, its kinetic energy will further reduce, and prevent from being interfered by the multiply cold-producing medium that flows out in a plurality of equal liquid holes.As seen, the kinetic energy that the refrigerant distributor that the utility model embodiment provides makes cold-producing medium flow through after the one-level dispenser reduces greatly, has reduced the amount that the cold-producing medium of sputter occurs, and has effectively alleviated cold-producing medium and has distributed uneven problem.
Further in technical scheme, level distributing pipe 13 and second subprime distributing pipe 14 for the first time that above-mentioned the first distributing pipe comprises the chopped-off head distributing pipe 12 with refrigerant inlet and is connected to chopped-off head distributing pipe 12 two ends, are connected with the second subprime distributing pipe and are connected with a level distributing pipe 13 for the first time respectively in the two ends of the second distributing pipe 15, feed tube 11 is connected with chopped-off head distributing pipe 12.Cold-producing medium flows through feed tube 11, chopped-off head distributing pipe 12 successively, and disperse to flow into level distributing pipe 13 and second subprime distributing pipe 14 for the first time, then flows into simultaneously the second distributing pipe 15, then flows out equal liquid hole 16, enters secondary distribution section.Level distributing pipe 13 for the first time in this scheme and second subprime distributing pipe 14 import cold-producing medium to the second distributing pipe 15 simultaneously, thereby shortened the flow process of cold-producing medium in the second distributing pipe 15, further alleviated the cold-producing medium that occurs because of on-way resistance and distributed uneven problem.
Certainly, according to different use occasions, any one in level distributing pipe 13 and second subprime distributing pipe 14 also can only be set for the first time, and to form secondary distributing pipe, namely an end of chopped-off head distributing pipe 12 is communicated with secondary distributing pipe, other end sealing, one end of the second distributing pipe 15 is communicated with secondary distributing pipe, and the other end seals, at this moment, suitable adjustment can be carried out in the position of the refrigerant inlet on the first distributing pipe, to realize the uniform distribution of cold-producing medium.
The technical scheme that provides in order to optimize the utility model embodiment, the mid point line of a plurality of equal liquid holes 16 on every the second distributing pipe 15 is parallel to the axis of the second distributing pipe 15, and the face that the axis of the mid point line of these equal liquid holes 16 and corresponding the second distributing pipe 15 forms is positioned at vertical plane, that is, equal liquid hole 16 is positioned on the second distributing pipe 15 mouth of pipe position farthest apart from heat exchanger tube.Obviously, be arranged so that so cold-producing medium flows out along gravity direction, its kinetic energy amount of decrease is larger, thereby situation about interfering between the multiply cold-producing medium obtains alleviation by a larger margin, the possibility of cold-producing medium generation sputter is lower, guarantees that then cold-producing medium more is uniformly distributed in each heat exchanger tube.
Above-mentioned level distributing pipe 13 for the first time and second subprime distributing pipe 14 can be adjusted according to the position of heat exchanger tube with the position relationship of chopped-off head distributing pipe 12, particularly, level distributing pipe 13 acutangulates or the obtuse angle setting with chopped-off head distributing pipe 12 for the first time, and second subprime distributing pipe 14 also acutangulates or the obtuse angle setting with chopped-off head distributing pipe 12.And general heat exchanger tube is all rectangular distribution, therefore more even for the distribution that makes cold-producing medium, the above-mentioned distributing pipe 13 of level for the first time is all vertical with chopped-off head distributing pipe 12 with second subprime distributing pipe 14, make many to be arranged at for the first time the equal in length of the second distributing pipe 15 between level distributing pipe 13 and second subprime distributing pipe 14, the flow process of cold-producing medium of these the second distributing pipes 15 of flowing through also just equates, is conducive to cold-producing medium and is uniformly distributed in many heat exchanger tubes.
Further in technical scheme, above-mentioned refrigerant inlet is arranged at the center of chopped-off head distributing pipe 12, and is understandable, and the stroke that the cold-producing medium of refrigerant inlet two side flow flow to secondary distribution section is substantially equal, helps the uniform distribution cold-producing medium.In like manner, chopped-off head distributing pipe 12 is communicated with the middle part of level distributing pipe 13 and second subprime distributing pipe 14 for the first time, makes above-mentioned effect more obvious.
Follow above-mentioned technical conceive, the utility model embodiment has also carried out relevant improvement to the size of equal liquid hole 16, and particularly, the diameter of a plurality of equal liquid holes 16 successively decreases to the two ends of the second distributing pipe 15 successively from the middle part of the second distributing pipe 15.Namely, the diameter of equal liquid hole 16 that is positioned at the second distributing pipe 15 middle parts is maximum, the flow velocity of cold-producing medium herein is minimum, the diameter of equal liquid hole 16 that is positioned at the second distributing pipe 15 two ends is minimum, the flow velocity of cold-producing medium herein is maximum, due to the factor of this two aspect, the flow of cold-producing medium on whole the second distributing pipe 15 is substantially equal.In specific implementation process, the diameter of adjacent two equal liquid holes 16 is poor can be according to the length of the second distributing pipe 15, and the conditions such as whole flow velocity of cold-producing medium are determined.Further, the diameter of the equal liquid hole at every the second distributing pipe 15 middle parts also can increase progressively to the position away from chopped-off head distributing pipe 12 successively from the position near chopped-off head distributing pipe 12, the impact that cold-producing medium is distributed to make up better on-way resistance.
In preferred technical scheme, the centre distance between adjacent two the second distributing pipes 15 equates, can guarantee well the uniform distribution of cold-producing medium according to the characteristics of motion of fluid thus.And, studies show that, when the centre distance between adjacent two the second distributing pipes 15 is 0.8-1.2 times of centre-to-centre spacing of adjacent two equal liquid holes 16, can reach the effect of uniform distribution cold-producing medium preferably.
In preferred technical scheme, the utility model embodiment provides secondary distribution section can be formed by porose material or porous plate 21, all have a plurality of equal liquid holes on porose material and porous plate 21, after cold-producing medium flows out from the one-level dispenser only the distribution by porose material or porous plate 21 can enter heat exchanger tube.The structure of porous plate 21 as shown in Figure 5, the aperture in the separatory hole on this porous plate 21 determines according to length and the evaporation capacity of liquid distributor, and the quantity of equal liquid hole 16 and position can also be corresponding with the separatory hole, and both apertures can equate.In addition, the length of porous plate 21 equates with axial length and the transverse width of heat exchanger tube basically with width.The one-level dispenser that provides in view of the utility model embodiment can satisfy the requirement of uniform distribution cold-producing medium substantially, therefore, secondary distribution section only adopts porose material or porous plate 21 not to affect the distribution of cold-producing medium, has on the contrary the advantage of simplifying the refrigerant distributor structure, manufacturing, processing that makes this refrigerant distributor etc. is convenient, has effectively controlled the cost of refrigerant distributor.
In order to optimize to a greater degree the uniformity of assignment system cryogen, the separatory hole of above-mentioned secondary distribution section is corresponding one by one with the mouth of pipe of heat exchanger tube.
Certainly, the structure of above-described various embodiment can be in the situation that get rid of conflicting any combination, to reach better effect.
As shown in Figure 6, the heat exchanger that the utility model embodiment provides comprises heat exchanger tube 31 and the refrigerant distributor that is oppositely arranged with the mouth of pipe of heat exchanger tube 31, and this refrigerant distributor is the described refrigerant distributor of above-mentioned arbitrary scheme.Because above-mentioned refrigerant distributor has above-mentioned technique effect, the heat exchanger with this refrigerant distributor also should have corresponding technique effect, no longer describes in detail herein.
Above refrigerant distributor provided by the utility model and applied heat exchanger thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (11)
1. refrigerant distributor, comprise the one-level dispenser, described one-level dispenser comprises that the first distributing pipe with refrigerant inlet and many are communicated with described the first distributing pipe, and the second distributing pipe (15) with a plurality of equal liquid holes (16), it is characterized in that, a plurality of described equal liquid holes (16) are positioned on the surface of the mouth of pipe that deviates from heat exchanger tube (31) on described the second distributing pipe (15).
2. according to refrigerant distributor claimed in claim 1, it is characterized in that, level distributing pipe (13) and second subprime distributing pipe (14) for the first time that described the first distributing pipe comprises the chopped-off head distributing pipe (12) with described refrigerant inlet and is connected to described chopped-off head distributing pipe (12) two ends, the two ends of described the second distributing pipe (15) respectively with described grade distributing pipe (13) for the first time be connected second subprime distributing pipe (14) and be connected.
3. according to refrigerant distributor claimed in claim 1, it is characterized in that, described the first distributing pipe comprises the chopped-off head distributing pipe (12) with described refrigerant inlet and the secondary distributing pipe that is connected in described chopped-off head distributing pipe (12) one ends, and an end of described the second distributing pipe is connected with described secondary distributing pipe.
4. according to the described refrigerant distributor of claim 1-3 any one, it is characterized in that, the mid point line of a plurality of described equal liquid hole (16) on every described the second distributing pipe (15) is parallel to the axis of described the second distributing pipe (15), and the face of described mid point line and described axis composition is positioned at vertical plane.
5. according to the described refrigerant distributor of claim 2 or 3, it is characterized in that, described refrigerant inlet is arranged at the center of described chopped-off head distributing pipe (12).
6. according to refrigerant distributor claimed in claim 2, it is characterized in that, the diameter of a plurality of described equal liquid holes (16) successively decreases to the two ends of described the second distributing pipe (15) successively from the middle part of described the second distributing pipe (15).
7. according to refrigerant distributor claimed in claim 2, it is characterized in that, described chopped-off head distributing pipe (12) is communicated with the middle part of described level distributing pipe (13) for the first time and described second subprime distributing pipe (14).
8. according to the described refrigerant distributor of any one in claim 1-3, it is characterized in that, centre distance between adjacent two described the second distributing pipes (15) equates, and described centre distance be adjacent two described equal liquid holes (16) centre-to-centre spacing 0.8-1.2 doubly.
9. according to the described refrigerant distributor of any one in claim 1-3, it is characterized in that, the secondary distribution section of described refrigerant distributor is porose material and/or porous plate (21).
10. according to refrigerant distributor claimed in claim 9, it is characterized in that, a plurality of separatory hole in described secondary distribution section is corresponding one by one with the mouth of pipe of described heat exchanger tube (31).
11. a heat exchanger, comprise heat exchanger tube (31) and with the refrigerant distributor that the mouth of pipe of described heat exchanger tube (31) is oppositely arranged, it is characterized in that, described refrigerant distributor is refrigerant distributor as described in any one in claim 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220704662.3U CN202973679U (en) | 2012-12-18 | 2012-12-18 | Refrigerant distributor and heat exchanger using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220704662.3U CN202973679U (en) | 2012-12-18 | 2012-12-18 | Refrigerant distributor and heat exchanger using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202973679U true CN202973679U (en) | 2013-06-05 |
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ID=48514744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220704662.3U Expired - Lifetime CN202973679U (en) | 2012-12-18 | 2012-12-18 | Refrigerant distributor and heat exchanger using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202973679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868287A (en) * | 2012-12-18 | 2014-06-18 | 珠海格力电器股份有限公司 | Refrigerant distributor and heat exchanger using same |
| CN105276871A (en) * | 2015-11-23 | 2016-01-27 | 珠海格力电器股份有限公司 | Liquid distributor, evaporator and air conditioning equipment |
-
2012
- 2012-12-18 CN CN201220704662.3U patent/CN202973679U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868287A (en) * | 2012-12-18 | 2014-06-18 | 珠海格力电器股份有限公司 | Refrigerant distributor and heat exchanger using same |
| CN103868287B (en) * | 2012-12-18 | 2016-02-03 | 珠海格力电器股份有限公司 | Refrigerant distributor and heat exchanger using same |
| CN105276871A (en) * | 2015-11-23 | 2016-01-27 | 珠海格力电器股份有限公司 | Liquid distributor, evaporator and air conditioning equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20160203 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20160203 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |