CN203163346U - Two-way phase equilibrium heat exchanger, air conditioner and heat pump water heater - Google Patents
Two-way phase equilibrium heat exchanger, air conditioner and heat pump water heater Download PDFInfo
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- CN203163346U CN203163346U CN 201320100769 CN201320100769U CN203163346U CN 203163346 U CN203163346 U CN 203163346U CN 201320100769 CN201320100769 CN 201320100769 CN 201320100769 U CN201320100769 U CN 201320100769U CN 203163346 U CN203163346 U CN 203163346U
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Abstract
The utility model provides a two-way phase equilibrium heat exchanger which comprises a fin group, a first heat exchange pipe, a second heat exchange pipe, a first inlet/outlet pipe and a second inlet/outlet pipe, wherein the first heat exchange pipe and the second heat exchange pipe are inserted into the fin group and located in a first heat exchange region and a second heat exchange region; when the two-way phase equilibrium heat exchanger is in use, the heat exchange efficiency of the first heat exchange region is higher than that of the second heat exchange region; the second heat exchange pipe is provided with a first end and a second end connected with the first inlet/outlet pipe and the second inlet/outlet pipe respectively; the first end and the second end serve as an inlet end and an outlet end in evaporation states, and as an outlet end and an inlet end in condensation states; and a runner from the second end of the second heat exchange pipe to the second inlet/outlet pipe is internally provided with a flow chocking structure. The two-way phase equilibrium heat exchanger can balance forward evaporation fluid resistance and reverse condensation fluid resistance, and realizes efficient evaporation and condensation, so that the utilization ratio of the heat exchanger is increased. The utility model further provides an air conditioner and a heat pump water heater employing the two-way phase equilibrium heat exchanger.
Description
Technical field
The utility model relates to a kind of heat exchanger, relates in particular to a kind of two-way heat exchanger that balances each other, and the air-conditioner and the heat pump water heater that adopt this two-way heat exchanger that balances each other.
Background technology
Current, the energy-conservation themes of the times that become are subjected to people and show great attention to.(for example improve air-conditioner, domestic air conditioner, air-conditioner etc.) and Teat pump boiler is (for example, air source, water source and earth source heat pump etc.) efficiency, generally can adopt the heat exchange area that increases heat exchanger, increase air quantity, strengthen casing and duct dimension, measures such as increase fan blade diameter, but the enforcement of these measures or increase the cost of product greatly, or increase product noise etc., thus product comfort reduced, and greatly reduce cost performance of product.
When enhancing product performance, reduce, keep or increase a little product cost, improve the product price ratio, be that people yearn for naturally.On this basis, the utilization rate that improves each parts of existing product a kind of excellent approach of can yet be regarded as, for products such as air-conditioner and Teat pump boilers, the utilization rate that improves heat exchanger is the most common and comparatively economic a kind of approach that improves the product efficiency.Improving one of modal means of heat exchanger utilization rate is exactly the internal resistance of balance heat exchanger, realizes evenly shunting (being reference with the heat exchanger inlet and outlet temperature generally).
At present, common heat exchanger shunt method all is to start with from the arrival end of fluid, utilizes " distributor+tubule footpath rectification+prolongation inefficient area flow process " to realize the fluid reasonable distribution, improves the whole heat exchange efficiency of heat exchanger.With respect to decreasing in uneven cause serious of heat exchanger shunting, take said method to shunt and be to reduce partial loss, obtain certain effect.But in essence, above-mentioned this common shunt method is still more unilateral, the reasons are as follows: the first, and adopt tubule footpath rectification will inevitably cause certain internal resistance loss; The second, very big change can take place because of the phase attribute of fluid in the effect of tubule footpath rectification, for fluid liquid, adopt tubule footpath rectification will produce effect, then the caliber reduce in scale of rectifying tube and pipe range must amplify a lot, and so, interior damage also correspondingly can increase a lot; The 3rd, come the balance internal resistance by the flow process that prolongs the poor efficiency heat transfer zone, reduce flowing into this regional fluid flow, come down in a disguised form to amplify the area in poor efficiency heat exchange zone, the part potentiality of having lost heat exchanger; The 4th, dual-purpose system for evaporation, condensation, above shunt method then more can demonstrate the limitation of its inadequate natural endowment, for heat exchanger, when evaporating state shunting even relatively, but when making heat exchanger be used as condensation the system reverse, this heat exchanger just may be shunt very inhomogeneous, like this can only be by loss part volatility to remedy reverse condensation performance, consequently evaporation relatively preferably is also weakened originally, causes evaporation, condensation effect all undesirable.
The utility model content
Main purpose of the present utility model is to provide a kind of two-way air-conditioner and heat pump water heater that balances each other heat exchanger and adopt the described two-way heat exchanger that balances each other, be intended to the fluid resistance of the evaporation of balance forward and reverse condensation, realization is evaporated, condensation is two efficient, thereby improves the heat exchanger utilization rate.
To achieve these goals, the utility model provides a kind of two-way heat exchanger that balances each other, comprise fins set, first heat exchanger tube, second heat exchanger tube, first imports and exports pipe and second imports and exports pipe, described first heat exchanger tube and second heat exchanger tube are inserted in the described fins set, described fins set comprises first heat transfer zone and second heat transfer zone, described first heat exchanger tube is positioned at described first heat transfer zone, described second heat exchanger tube is positioned at described second heat transfer zone, describedly two-wayly balance each other heat exchanger in use, the heat exchange efficiency of described first heat transfer zone is higher than the heat exchange efficiency of described second heat transfer zone, described second heat exchanger tube has respectively imports and exports first end and second end that pipe is connected with the described first import and export pipe and second, when the described two-way heat exchanger that balances each other is operated in evaporating state, described first end and second end are respectively as entrance point and the port of export of described second heat exchanger tube, when the described two-way heat exchanger that balances each other is operated in condensing state, described first end and second end are respectively as the port of export and the entrance point of described second heat exchanger tube, lead to described second by second end of described second heat exchanger tube and import and export in the runner of pipe and be provided with the choked flow structure, in order to obstruct flowing to described second fluid of importing and exporting pipe by described second heat exchanger tube through described second end.
Preferably, described choked flow structure is by reducing being carried out in described second end of importing and exporting pipe or form to in-flanges, and the bore at described reducing or flange place is less than the caliber of second end of described second heat exchanger tube.
Preferably, described choked flow structure is the baffle plate of being located in the described runner.
Preferably, described choked flow structure is located in the interior or described second import and export pipe of second end of described second heat exchanger tube.
Preferably, described second imports and exports the caliber of pipe less than the caliber of second end of described second heat exchanger tube, and described choked flow structure is to form by enlarging is carried out in described second end of importing and exporting pipe.
Preferably, the area of described first heat transfer zone is more than or equal to the area of described second heat transfer zone, and the main-process stream of first heat exchanger tube in described first heat transfer zone is more than or equal to the main-process stream of second heat exchanger tube in described second heat transfer zone.
Preferably, the quantity of set first heat exchanger tube is one or more in described first heat transfer zone, and the quantity of set second heat exchanger tube is one or more in described second heat transfer zone.
Preferably, described first heat exchanger tube comprises several long U pipes, connects by elbow between adjacent two long U pipes of described first heat exchanger tube, and described second heat exchanger tube comprises several long U pipes, connects by elbow between adjacent two long U pipes of described second heat exchanger tube.
The utility model also provides a kind of air-conditioner, and described air-conditioner comprises the aforesaid two-way heat exchanger that balances each other.
The utility model also provides a kind of Teat pump boiler, and described Teat pump boiler comprises the aforesaid two-way heat exchanger that balances each other.
The two-way heat exchanger that balances each other of the present utility model, take into full account the gaseous fluid resistance much larger than the characteristic of fluid liquid resistance, determine with the mass balances to be main the shunting, by in the runner that leads to the described second import and export pipe at second end by described second heat exchanger tube choked flow structure being set, so that the fluid in the described runner (whole or major part is gaseous state) is obstructed, realize uniformity and the balance of the bidirectional shunt of evaporation, condensing state, thereby improve the heat exchange efficiency of the two-way heat exchanger that balances each other; Utilize eddy resistance to reduce the area in poor efficiency heat exchange zone, increase the heat exchange area in high efficient heat exchanging zone and the fluid flow in this high efficient heat exchanging zone of flowing through, realize the heat exchange efficiency maximization of the two-way heat exchanger that balances each other; The two-way shunting that balances each other can effectively improve evaporation, the unbalanced bottleneck problem of condensation, realize evaporation, the two optimum efficiencies efficiently of condensation, promote product quality significantly, particularly for the system that biases toward refrigeration at present, the described two-way heat exchanger that balances each other can be implemented in the heating performance that promotes product on the basis of effective lifting refrigeration performance significantly; In addition, that the two-way heat exchanger that balances each other also has is workable, good manufacturability, high conformity, enforcement are simple, and characteristics such as cost is low have high promotional value.
Description of drawings
Fig. 1 wherein indicates the flow direction that the described two-way heat exchanger that balances each other is operated in evaporating state for the structural representation of a preferred embodiment of the two-way heat exchanger that balances each other of the utility model.
Fig. 2 is operated in the direction of flow schematic diagram of condensing state for the two-way heat exchanger that balances each other shown in Figure 1.
Fig. 3 is structure and the fluid flow inside view thereof of an embodiment of choked flow structure in the two-way heat exchanger that balances each other shown in Figure 1.
Fig. 4 is structure and the fluid flow inside view thereof of another embodiment of choked flow structure in the two-way heat exchanger that balances each other shown in Figure 1.
Fig. 5 is structure and the fluid flow inside view thereof of an embodiment again of choked flow structure in the two-way heat exchanger that balances each other shown in Figure 1.
Fig. 6 wherein indicates the flow direction that the described two-way heat exchanger that balances each other is operated in evaporating state for the structural representation of two-way another preferred embodiment of heat exchanger that balances each other of the utility model.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that the specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 3, balance each other for the utility model is a two-way preferred embodiment of heat exchanger.
The described two-way heat exchanger that balances each other comprises fins set 10, first heat exchanger tube 20, second heat exchanger tube 30, the first import and export pipe, the 40 and second import and export pipe 50.Described first heat exchanger tube 20 and second heat exchanger tube 30 are inserted in the described fins set 10, described fins set 10 comprises the first heat transfer zone A and the second heat transfer zone B, described first heat exchanger tube 20 is positioned at the described first heat transfer zone A, described second heat exchanger tube 30 is positioned at the described second heat transfer zone B, describedly two-wayly balance each other heat exchanger in use, the heat exchange efficiency of the described first heat transfer zone A is higher than the heat exchange efficiency of the described second heat transfer zone B, that is to say, the described first heat transfer zone A is in the big or higher relatively position of wind speed of air quantity, and the described second heat transfer zone B then is in the position that air quantity is less or wind speed is relatively low.
Described second heat exchanger tube 30 has respectively imports and exports the pipe 40 and second import and export pipe 50 first end 31 that is connected and second ends 32 with described first.As shown in Figure 1, when the described two-way heat exchanger that balances each other was operated in evaporating state, described first end 31 and second end 32 were respectively as entrance point and the port of export of described second heat exchanger tube 30.As shown in Figure 2, when the described two-way heat exchanger that balances each other was operated in condensing state, 32 at described first end 31 and second end were respectively as the port of export and the entrance point of described second heat exchanger tube 30.Lead to described second by second end 32 of described second heat exchanger tube 30 and import and export in the runner of pipe 50 and be provided with choked flow structure 60, in order to obstruct flowing to described second fluid of importing and exporting pipe 50 by described second heat exchanger tube 30 through described second end 32.The import and export at described first heat exchanger tube 20 two ends can adopt the import and export pipe 70 identical with the caliber of described first heat exchanger tube 20 to connect.
The area of the described first heat transfer zone A is greater than the area of the described second heat transfer zone B, and the main-process stream of first heat exchanger tube 20 in the described first heat transfer zone A is greater than the main-process stream of second heat exchanger tube 30 in the described second heat transfer zone B.
In the present embodiment, the flow process of set first heat exchanger tube 20 is one in the described first heat transfer zone A, namely the quantity of first heat exchanger tube 20 is one, and the flow process of set second heat exchanger tube 30 is similarly one in the described second heat transfer zone B, and namely the quantity of second heat exchanger tube 30 is similarly one.The described two-way heat exchanger main-process stream number that balances each other is two.
Described first heat exchanger tube 20 comprises several long U pipes 21, for example lack U pipe or semicircle pipe by elbow 22(between adjacent two long U pipes 21 of described first heat exchanger tube 20) connect, described second heat exchanger tube 30 comprises several long U pipes 33, for example lacks U pipe or semicircle pipe by elbow 34(between adjacent two long U pipes 33 of described second heat exchanger tube 30) connect.
Described fins set 10 is superimposed by the single fin of multi-disc and forms, dash in the fins set 10 through hole is arranged, the long U of long U pipe 21 and second heat exchanger tube 30 of first heat exchanger tube 20 manages 33 and is interspersed in the fins set 10 by described through hole, and the mode by expand tube is closely linked the long U pipe 33 of long U pipe 21 and second heat exchanger tube 30 of first heat exchanger tube 20 with fins set 10, again by elbow 34(for example short U pipe or semicircle pipe) adjacent two long U of described first heat exchanger tube 20 are managed 21 be connected and two adjacent long U of described second heat exchanger tube 30 are managed 33 and be connected.
The material of described first heat exchanger tube 20 and second heat exchanger tube 30 can be copper, aluminium, iron etc., and pipe shape can be circle, ellipse, square etc.The fin of described fins set 10 can be plain film, calking sheet, corrugated plate etc., and the material of fin can be aluminium, copper, iron etc.
As shown in Figure 3, in the present embodiment, described choked flow structure 60 is to form by reducing is carried out in described second end of importing and exporting pipe 50, and the bore of described reducing place is less than the caliber of second end 32 of described second heat exchanger tube 30.
As shown in Figure 1, when the described two-way heat exchanger that balances each other is operated in evaporating state, fluid is liquid state or vapour-liquid coexisting state in the entrance point of the two-way heat exchanger that balances each other, and be steam state basically in the port of export, the second end 32(evaporating state by second heat exchanger tube 30 in the second heat transfer zone B is the port of export) near choked flow structure 60 is set, the gas eddy stream and the internal resistance that utilize choked flow structure 60 to form, effectively reduce the fluid flow of flow process in the second heat transfer zone B, simply and promptly realize the balance purpose, to guarantee the first heat transfer zone A(efficient region) heat exchange area and fluid flow, reduce simultaneously the second heat transfer zone B(inefficient area relatively) heat exchange area and fluid flow.
As shown in Figure 2, when the described two-way heat exchanger that balances each other was operated in condensing state, fluid was steam state in the entrance point of the two-way heat exchanger that balances each other, and was liquid in the port of export, and this moment, second end 32 of second heat exchanger tube 30 became entrance point.At this moment, the fluid that entrance point flows into mostly is steam state, the second end 32(condensing state of second heat exchanger tube 30 is entrance point) near set choked flow structure 60 can reduce equally to flow through fluid flow in second heat exchanger tube 30 in the second heat transfer zone B, when therefore the described two-way heat exchanger that balances each other is as condensation, also can obtain comparatively desirable counterbalance effect, condensing heat-exchange efficient is desirable equally.
In the present embodiment, described choked flow structure 60 forms by reducing is carried out in described second end of importing and exporting pipe 50, and the flow process quantity of interior set second heat exchanger tube 30 of set first heat exchanger tube 20 and the described second heat transfer zone B is one in the described first heat transfer zone A.In other embodiments, described choked flow structure 60 also can form by alternate manner, and for example by described second end of importing and exporting pipe 50 is formed to in-flanges, the bore at described flange place is less than the caliber of second end 32 of described second heat exchanger tube 30; The flow process number of interior set second heat exchanger tube 30 of set first heat exchanger tube 20 and the described second heat transfer zone B also can be many in the described first heat transfer zone A.
As shown in Figure 4, be the structural representation of another embodiment of choked flow structure of the described two-way heat exchanger that balances each other.In the present embodiment, choked flow structure 60a is baffle plate or the baffle ring of being located in the described runner, and inwardly and towards second end, 32 inclinations of described second heat exchanger tube 30 is extended by described second periphery of importing and exporting the end of pipe 50a.
As shown in Figure 5, be the structural representation of an embodiment again of choked flow structure in the described two-way heat exchanger that balances each other.In the present embodiment, described second imports and exports the caliber of pipe 50b less than the caliber of second end 32 of described second heat exchanger tube 30, and described choked flow structure 60b forms by enlarging is carried out in described second end of importing and exporting pipe 50b.
Fig. 6 wherein indicates the flow direction that the described two-way heat exchanger that balances each other is operated in evaporating state for the structural representation of two-way another preferred embodiment of heat exchanger that balances each other of the utility model.The structure of the structure of the two-way heat exchanger that balances each other of present embodiment and the two-way heat exchanger that balances each other shown in Figure 1 is basic identical, difference between the two is: in the present embodiment, the main-process stream number of the two-way heat exchanger that balances each other is three, wherein the flow process number of set first heat exchanger tube 20 is two in the first heat transfer zone A1 of fins set 10a, namely the quantity of first heat exchanger tube 20 is two, the flow process number of set second heat exchanger tube 30 is one in the second heat transfer zone B1 of fins set 10a, namely the quantity of second heat exchanger tube 30 is one, advances three streams that go out thereby form three.In the present embodiment, difference according to heat exchange efficiency is divided the first heat transfer zone A1(high efficient heat exchanging district with fins set 10a) and the second heat transfer zone B1(poor efficiency heat transfer zone), incorporate the middle transition zone into the efficient flow district as much as possible, dwindling poor efficiency flow process district relatively, thereby realize the heat exchange efficiency maximization of the two-way heat exchanger that balances each other.
In the above-mentioned two-way heat exchanger that balances each other, take into full account the gaseous fluid resistance much larger than the characteristic of fluid liquid resistance, determine with the mass balances to be main the shunting, by in the runner that leads to the described second import and export pipe at second end by described second heat exchanger tube choked flow structure being set, so that the fluid in the described runner (whole or major part is gaseous state) is obstructed, realize uniformity and the balance of the bidirectional shunt of evaporation, condensing state, thereby improve the heat exchange efficiency of the two-way heat exchanger that balances each other; Utilize eddy resistance to reduce the area in poor efficiency heat exchange zone, increase the heat exchange area in high efficient heat exchanging zone and the fluid flow in this high efficient heat exchanging zone of flowing through, realize the heat exchange efficiency maximization of the two-way heat exchanger that balances each other; The two-way shunting that balances each other can effectively improve evaporation, the unbalanced bottleneck problem of condensation, realize evaporation, the two optimum efficiencies efficiently of condensation, promote product quality significantly, particularly for the system that biases toward refrigeration at present, the described two-way heat exchanger that balances each other can be implemented in the heating performance that promotes product on the basis of effective lifting refrigeration performance significantly; In addition, that the two-way heat exchanger that balances each other also has is workable, good manufacturability, high conformity, enforcement are simple, and characteristics such as cost is low have high promotional value.
The described two-way heat exchanger that balances each other can be used in air-conditioner and the Teat pump boiler, in order to replace existing evaporation, the condensation dual-purpose heat exchanger in air-conditioner and the Teat pump boiler, by adopting the described two-way heat exchanger that balances each other, the heat exchange efficiency of air-conditioner and Teat pump boiler may effectively be promoted.
The utility model is not limited to above embodiment, under the disclosed technology contents of above-mentioned embodiment, can also carry out various variations.Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. two-way heat exchanger that balances each other, comprise fins set, first heat exchanger tube, second heat exchanger tube, first imports and exports pipe and second imports and exports pipe, described first heat exchanger tube and second heat exchanger tube are inserted in the described fins set, described fins set comprises first heat transfer zone and second heat transfer zone, described first heat exchanger tube is positioned at described first heat transfer zone, described second heat exchanger tube is positioned at described second heat transfer zone, describedly two-wayly balance each other heat exchanger in use, the heat exchange efficiency of described first heat transfer zone is higher than the heat exchange efficiency of described second heat transfer zone, described second heat exchanger tube has respectively imports and exports first end and second end that pipe is connected with the described first import and export pipe and second, when the described two-way heat exchanger that balances each other is operated in evaporating state, described first end and second end are respectively as entrance point and the port of export of described second heat exchanger tube, when the described two-way heat exchanger that balances each other is operated in condensing state, described first end and second end are respectively as the port of export and the entrance point of described second heat exchanger tube, it is characterized in that, lead to described second by second end of described second heat exchanger tube and import and export in the runner of pipe and be provided with the choked flow structure, in order to obstruct flowing to described second fluid of importing and exporting pipe by described second heat exchanger tube through described second end.
2. the two-way heat exchanger that balances each other as claimed in claim 1, it is characterized in that, described choked flow structure is by reducing being carried out in described second end of importing and exporting pipe or form to in-flanges, and the bore at described reducing or flange place is less than the caliber of second end of described second heat exchanger tube.
3. the two-way heat exchanger that balances each other as claimed in claim 1 is characterized in that, described choked flow structure is baffle plate or the baffle ring of being located in the described runner.
4. the two-way heat exchanger that balances each other as claimed in claim 3 is characterized in that, described choked flow structure is located in the interior or described second import and export pipe of second end of described second heat exchanger tube.
5. the two-way heat exchanger that balances each other as claimed in claim 1 is characterized in that, described second imports and exports the caliber of pipe less than the caliber of second end of described second heat exchanger tube, and described choked flow structure is to form by enlarging is carried out in described second end of importing and exporting pipe.
6. the two-way heat exchanger that balances each other as claimed in claim 1, it is characterized in that, the area of described first heat transfer zone is more than or equal to the area of described second heat transfer zone, and the main-process stream of first heat exchanger tube in described first heat transfer zone is more than or equal to the main-process stream of second heat exchanger tube in described second heat transfer zone.
7. the two-way heat exchanger that balances each other as claimed in claim 6 is characterized in that, the quantity of set first heat exchanger tube is one or more in described first heat transfer zone, and the quantity of set second heat exchanger tube is one or more in described second heat transfer zone.
8. the two-way heat exchanger that balances each other as claimed in claim 1, it is characterized in that, described first heat exchanger tube comprises several long U pipes, connect by elbow between adjacent two long U pipes of described first heat exchanger tube, described second heat exchanger tube comprises several long U pipes, connects by elbow between adjacent two long U pipes of described second heat exchanger tube.
9. an air-conditioner is characterized in that, described air-conditioner comprises as any described two-way heat exchanger that balances each other in the claim 1 to 8.
10. a Teat pump boiler is characterized in that, described Teat pump boiler comprises as any described two-way heat exchanger that balances each other in the claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100769 CN203163346U (en) | 2013-03-05 | 2013-03-05 | Two-way phase equilibrium heat exchanger, air conditioner and heat pump water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100769 CN203163346U (en) | 2013-03-05 | 2013-03-05 | Two-way phase equilibrium heat exchanger, air conditioner and heat pump water heater |
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| Publication Number | Publication Date |
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| CN203163346U true CN203163346U (en) | 2013-08-28 |
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| CN 201320100769 Withdrawn - After Issue CN203163346U (en) | 2013-03-05 | 2013-03-05 | Two-way phase equilibrium heat exchanger, air conditioner and heat pump water heater |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216975A (en) * | 2013-03-05 | 2013-07-24 | 广东美的电器股份有限公司 | Bidirectional phase equilibrium heat exchanger, air conditioner and heat pump water heater |
| CN109405354A (en) * | 2018-11-19 | 2019-03-01 | 珠海格力电器股份有限公司 | Falling-film heat exchanger and air-conditioner set |
| CN114110785A (en) * | 2021-11-23 | 2022-03-01 | 珠海格力电器股份有限公司 | Heat exchange air port structure, control method thereof and air conditioner |
| CN114440321A (en) * | 2022-02-09 | 2022-05-06 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
-
2013
- 2013-03-05 CN CN 201320100769 patent/CN203163346U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216975A (en) * | 2013-03-05 | 2013-07-24 | 广东美的电器股份有限公司 | Bidirectional phase equilibrium heat exchanger, air conditioner and heat pump water heater |
| CN103216975B (en) * | 2013-03-05 | 2015-03-25 | 广东美的制冷设备有限公司 | Bidirectional phase equilibrium heat exchanger, air conditioner and heat pump water heater |
| CN109405354A (en) * | 2018-11-19 | 2019-03-01 | 珠海格力电器股份有限公司 | Falling-film heat exchanger and air-conditioner set |
| CN114110785A (en) * | 2021-11-23 | 2022-03-01 | 珠海格力电器股份有限公司 | Heat exchange air port structure, control method thereof and air conditioner |
| CN114440321A (en) * | 2022-02-09 | 2022-05-06 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioner |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: GUANGDONG MIDEA REFRIGERATION EQUIPMENT CO., LTD. Effective date: 20131204 Owner name: GUANGDONG MIDEA REFRIGERATION EQUIPMENT CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131204 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131204 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: Guangdong Midea Refrigeration Equipment Co., Ltd. Patentee after: Midea Group Co., Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: Meidi Electric Appliances Co., Ltd., Guangdong Patentee before: Guangdong Midea Refrigeration Equipment Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130828 Effective date of abandoning: 20150325 |
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| RGAV | Abandon patent right to avoid regrant |