CN202066281U - Air cooling circulation system for refrigerator and air cooling refrigerator comprising same - Google Patents
Air cooling circulation system for refrigerator and air cooling refrigerator comprising same Download PDFInfo
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- CN202066281U CN202066281U CN2011200953131U CN201120095313U CN202066281U CN 202066281 U CN202066281 U CN 202066281U CN 2011200953131 U CN2011200953131 U CN 2011200953131U CN 201120095313 U CN201120095313 U CN 201120095313U CN 202066281 U CN202066281 U CN 202066281U
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- refrigerator
- evaporimeter
- suction unit
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Abstract
The utility model provides an air cooling circulation system for a refrigerator, which comprises an air channel, an evaporator, an air circulation driving unit and a water absorption unit, wherein the water absorption unit is arranged below the evaporator inside the air channel and is used for absorbing water generated during defrosting period. The utility model also provides a refrigerator comprising the air cooling circulation system. In the utility model, the water absorption unit is arranged below the evaporator inside the air channel to absorb the water generated during the defrosting period, so that water in air inside the refrigerator can be absorbed and stored to be circulated along with the circulation of air, water loss of the evaporator is effectively prevented during the defrosting period, and food stored in the refrigerator can be kept fresh and wet more easily; and in addition, the air cooling circulation system does not need to occupy additional space and is convenient to implement.
Description
Technical field
The utility model relates to art of refrigeration units, relates in particular to a kind of improved air-cooled circulatory system of refrigerator and wind cooling refrigerator with this air-cooled circulatory system of being used for.
Background technology
Air-cooled refrigerator in the market is to use compulsory cold wind circulation and freeze.As Fig. 1 to shown in Figure 2, the cold single system refrigerator of this class full blast all comprise usually evaporimeter 1 ', air channel 2 ', fan 3 ' and drainage pipeline (not shown).2 ' upper end, air channel is provided with air outlet, and the lower end is provided with air inlet.When refrigerator moves, evaporimeter 1 ' with air cooling, fan 3 ' then the air of refrigeration is sent into cold compartment of refrigerator, the thermal air current that forms with the generation heat exchanges such as food of cold compartment of refrigerator 6 ' interior flows to evaporimeter 1 ' refrigeration by the air inlet of lower end, thereby the forced convertion that forms air-flow circulates (direction shown in arrow among the figure).And evaporimeter 1 ' behind cooling air is because moisture in its surface condensation, easily in surperficial frosting, influences heat exchange effect.Generally all adopt electrically heated mode defrost at present, defrost water directly is discharged to outside the refrigerator by drainage pipeline after the defrost, since have only an evaporimeter 1 ' be arranged on refrigerating chamber 7 ', refrigerating chamber 6 ' interior moisture nearly all can be discharged refrigerator with top endless form, thereby cause the interior humidity of refrigerator very low, be unfavorable for that very preserving moisture of food such as fruits and vegetables is fresh-keeping, store.
In order to solve the fresh-keeping problem of preserving moisture, air-cooled multisystem refrigerator has as shown in Figure 3 also appearred in the market, different with above-mentioned single system refrigerator is, this class refrigerator be provided with two evaporimeters 1 ', the evaporimeter 1 of refrigerating chamber 7 ' and refrigerating chamber 6 ' all have separately refrigeration ', the moisture of refrigerating chamber independently circulates, the direction shown in arrow among the figure, but refrigerating chamber 6 ' evaporimeter 1 ' surface defrosting back moisture still can discharge refrigerator, fresh-keeping effect does not still obtain too big improvement.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.
For this reason, the utility model need provide a kind of improved air-cooled circulatory system that is used for refrigerator, and this air-cooled circulatory system that is used for refrigerator can realize better preserving moisture fresh-keeping effect.
In addition, the utility model also needs to provide a kind of improved wind cooling refrigerator, and this wind cooling refrigerator can be realized better preserving moisture, fresh-keeping effect.
According to an embodiment of the present utility model, a kind of air-cooled circulatory system that is used for refrigerator is provided, comprising: be arranged on the air channel at the back of refrigerating chamber, and the air channel has air inlet that is arranged on the lower end and the air outlet that is arranged on the upper end, air channel; Be arranged in the above-mentioned air channel evaporimeter and the air in the refrigerating chamber is cooled off; Be arranged in the refrigerating chamber and the air circulation driver element of close described air outlet; And the suction unit, this suction unit be arranged in the described air channel and be positioned at the below of described evaporimeter and absorb defrost during the water that produced.Adopt such air cooling system, because the evaporimeter below in the air channel is provided with the suction unit, the moisture that produces during the defrost will be stored in the suction unit, and in the process of the wind circulation of forced convertion, moisture also circulates with the wind, helps the fresh-keeping of food.Because the suction unit is arranged in the air channel, do not take unnecessary space in addition, be provided with succinct, convenient.
Other embodiment of the present utility model provide a kind of wind cooling refrigerator, comprising: refrigerating chamber; Be arranged on the air channel at the back of refrigerating chamber, and this air channel have air inlet that is arranged on the lower end and the air outlet that is arranged on the upper end, air channel; Be arranged on the evaporimeter in the described air channel and the air in the refrigerating chamber cooled off; Be arranged in the refrigerating chamber and near the air circulation driver element of described air outlet, and the suction unit, described suction unit be arranged in the described air channel and be positioned at the below of described evaporimeter and absorb defrost during the water that produced.Adopt the refrigerator of this spline structure, because the evaporimeter below in the air channel is provided with the suction unit, the moisture that produces during the defrost will be stored in the suction unit, and in the process of the wind circulation of forced convertion, moisture also circulates with the wind, helps the fresh-keeping of food.Because the suction unit is arranged in the air channel, do not take unnecessary space in addition, be provided with succinct, convenient.
According to other embodiment of the present utility model, described suction unit can be a water-absorption fiber.
According to other embodiment of the present utility model, air channel inwall setting can be close in described suction unit, be convenient to like this be provided with, and the moisture in the evaporimeter can flow down along the air channel and enters in the suction unit.Preferably, can be provided with the current guide in the described air channel, described current guide can be formed on the inner surface in described air channel and with the water that is produced during the evaporimeter defrost and guide to described suction unit.
According to other embodiment of the present utility model, described suction unit can be provided with the multi-layer absorbent fibrous material layer, material layer and air channel distinguished and admirable becomes vertical angle substantially thereby the edge of material layer links to each other with the air channel, such structure first is convenient to stop the moisture of evaporator surface, second because big with the wind contact area, the moisture of taking away with the wind in cyclic process is more, is beneficial to the circulation of moisture.
According to other embodiment of the present utility model, described evaporimeter is communicated with described air channel phase fluid.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1-2 is the cold single system refrigerator of a full blast wind circulation schematic diagram in the prior art;
Fig. 3 is the cold dual system refrigerator of a full blast wind circulation schematic diagram in the prior art;
Fig. 4 is a wind cooling refrigerator wind circulation schematic diagram among some embodiment of the utility model;
Fig. 5 is a wind cooling refrigerator wind circulation schematic diagram among other embodiment of the utility model;
Fig. 6 is the schematic diagram of suction unit set-up mode in the air channel among some embodiment of the utility model; And
Fig. 7 is the cross sectional representation of suction unit set-up mode in the air channel among other embodiment of the utility model.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than the device or the element of indication or hint indication must have specific orientation, therefore orientation structure and operation with specific can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In description of the present utility model, unless otherwise prescribed and limit, need to prove that term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can link to each other indirectly by intermediary, for the ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be.
According to Fig. 4 to Fig. 7 some specific embodiment that are used for the air-cooled circulatory system of refrigerator of the present utility model are described below.
As shown in Figure 4 and Figure 5, embodiment more of the present utility model provide a kind of refrigerator air cooling system, comprising: air channel 2, and described air channel 2 is arranged on the back of refrigerating chamber 6, and has air inlet 202 that is arranged on the lower end and the air outlet 201 that is arranged on the upper end, air channel; Evaporimeter 1, described evaporimeter 1 is arranged in the described air channel 2, is used for the air of refrigerating chamber is cooled off; Air circulation driver element 3, described air circulation driver element 3 are arranged in the refrigerating chamber 6 and close described air outlet 201; And suction unit 5, described suction unit 5 is arranged in the described air channel 2 and is positioned at the below of described evaporimeter 1, is used to absorb the water that is produced during the defrost.Wherein the endless form of air-flow is as follows: the cold air through evaporimeter 1 refrigeration passes through above-mentioned air outlet 201 exhaust passages 2 under the effect of air circulation driver element 3, because the density of cold air own is bigger, naturally sink, and described air circulation driver element 3 forces to drive the convection current of air, and cold air circulation back cold air warms with extraneous for example food generation heat exchange and freezes by evaporimeter 1 along rising naturally after above-mentioned air inlet 202 enters the air channel.4 is distinguished and admirable in the diagram, and arrow has been represented the flow direction of wind.And owing to above-mentioned evaporimeter 1 below in the air channel 2 is provided with suction unit 5, the water that forms during defrost can flow to or directly drop onto suction unit 5 and be stored in wherein, below in the process of the wind of forced convertion circulation, moisture in the suction unit 5 also circulates with distinguished and admirable 4, enter in the refrigerating chamber, prevented the loss of moisture, improved dry and cold state, help preserving moisture of food, fresh-keeping.Because suction unit 5 is arranged in the air channel 2, do not take unnecessary space in addition, be provided with succinct, convenient.The method of the evaporimeter concrete defrost in 1 surface is a technology well-known to those skilled in the art in the above-mentioned specific embodiment, on the one hand, nature situation lower part frost is melted by stream of warm air in the air channel and forms water droplet, on the other hand, also have in the prior art multiple defroster for example electric-heating defrosting device frost is melted.For the sake of brevity, the method for concrete defrosting is not just given unnecessary details.
Wherein, be understandable that above-mentioned air channel 2, the shape variable of return air inlet 202 and air outlet 201, those skilled in the art can adjust according to actual needs.
In addition, above-mentioned air circulation driver element 3 can drive the parts that air flows for what those skilled in that art knew, fan for example, blinds fan etc.
In addition, it is contemplated that described suction unit can be multiple absorbent material, for example superabsorbent fibrous material.
Fig. 6 shows other preferred specific embodiment that are used for the air-cooled circulatory system of refrigerator of the present utility model, suction unit 5 in the above-mentioned air channel 2 can be the superabsorbent fibrous material of multilayer, and the edge shape of superabsorbent fibrous material layer 5 and air channel 2 adapts and edge and air channel are close to, thereby distinguished and admirablely be vertical state with the water-absorption fiber layer substantially.Such setting is convenient to stop the moisture that the defrosting of evaporator surface falls, and second because big with distinguished and admirable contact area, and the moisture of taking away with the wind in cyclic process is more, is beneficial to the circulation of moisture.It is contemplated that described suction unit can be multiple absorbent material, the superabsorbent fibrous material in the foregoing description can also be woven into the fiber cloth of porous, and is in suction, also can excessive influence not distinguished and admirable.
Fig. 7 shows other preferred specific embodiment that are used for the air-cooled circulatory system of refrigerator of the present utility model, the inwall setting in air channel 2 is close in suction unit 5 in the above-mentioned air channel 2, such setting is convenient to stop the moisture that prolongs under the wind path wall landing, under the preferable case, the inwall in air channel 2 contains flow diverter, described current guide is formed on the inner surface in described air channel 2, and the water that is used for being produced during evaporimeter 1 defrost guides to described suction unit 5.
Be understandable that the shapes such as air channel in the foregoing description and the diagram only are signal, those skilled in that art can adjust as required.
According to Fig. 4 to Fig. 7 the utility model some specific embodiment about wind cooling refrigerator are described below.
To shown in Figure 5, embodiment more of the present utility model provide a kind of wind cooling refrigerator, comprising: refrigerating chamber 6 according to Fig. 4; Air channel 2, described air channel 2 is arranged on the back of refrigerating chamber 6, and has air inlet 202 that is arranged on the lower end and the air outlet 201 that is arranged on the upper end, air channel; Evaporimeter 1, described evaporimeter 1 is arranged in the described air channel 2, is used for the air of refrigerating chamber 6 is cooled off; Air circulation driver element 3, described air circulation driver element 3 are arranged in the refrigerating chamber 6 and close described air outlet 201; And suction unit 5, described suction unit 5 is arranged in the described air channel 2 and is positioned at the below of described evaporimeter 1, is used to absorb the water that is produced during the defrost.Wherein the endless form of air-flow is as follows: the cold air through evaporimeter 1 refrigeration passes through above-mentioned air outlet 201 exhaust passages 2 under the effect of air circulation driver element 3, because the density of cold air own is bigger, naturally sink, and described air circulation driver element 3 forces to drive the convection current of air, and cold air circulation back cold air warms with extraneous for example food generation heat exchange and enters behind the air channel by evaporimeter 1 refrigeration along above-mentioned air inlet 202.4 is distinguished and admirable in the diagram, and arrow has been represented the flow direction of wind.And owing to above-mentioned evaporimeter 1 below in the air channel 2 is provided with suction unit 5, the water that forms during defrost can flow to or directly drop onto suction unit 5 and be stored in wherein, below in the process of the wind of forced convertion circulation, moisture in the suction unit 5 also circulates with distinguished and admirable 4, enter in the refrigerating chamber, prevented the loss of moisture, improved dry and cold state, help preserving moisture of food, fresh-keeping.Because suction unit 5 is arranged in the air channel 2, do not take unnecessary space in addition, be provided with succinct, convenient.The method of the evaporimeter concrete defrost in 1 surface is a technology well-known to those skilled in the art in the above-mentioned specific embodiment, on the one hand, nature situation lower part frost is melted by stream of warm air in the air channel and forms water droplet, on the other hand, also have in the prior art multiple defroster for example electric-heating defrosting device frost is melted.For the sake of brevity, the method for concrete defrosting is not just given unnecessary details.
Wherein, be understandable that above-mentioned air channel 2, the shape variable of return air inlet 202 and air outlet 201, those skilled in the art can adjust according to actual needs.
In addition, above-mentioned air circulation driver element 3 can drive the parts that air flows, for example convection fan, vortex flow fan etc. for what those skilled in that art knew.
In addition, it is contemplated that described suction unit can be multiple absorbent material, for example superabsorbent fibrous material.
Fig. 6 shows other preferred specific embodiment of wind cooling refrigerator of the present utility model, suction unit 5 in the above-mentioned air channel 2 can be the superabsorbent fibrous material of multilayer, and the edge shape of superabsorbent fibrous material layer 5 and air channel 2 adapts and edge and air channel are close to, thereby distinguished and admirablely be vertical state with the water-absorption fiber layer substantially.Such setting is convenient to stop the moisture that the defrosting of evaporator surface falls, and second because big with distinguished and admirable contact area, and the moisture of taking away with the wind in cyclic process is more, is beneficial to the circulation of moisture.It is contemplated that described suction unit can be multiple absorbent material, the superabsorbent fibrous material in the foregoing description can also be woven into the fiber cloth of porous, and is in suction, also can excessive influence not distinguished and admirable.
Fig. 7 shows other preferred specific embodiment of wind cooling refrigerator of the present utility model, the inwall setting in air channel 2 is close in suction unit 5 in the above-mentioned air channel 2, such setting is convenient to stop the moisture that prolongs under the wind path wall landing, under the preferable case, the inwall in air channel 2 contains current guide (not shown), described current guide is formed on the inner surface in described air channel 2, and the water that is used for being produced during evaporimeter 1 defrost guides to described suction unit 5.
Also show the air-flow circulation of refrigerating chamber 7 among Fig. 4 and Fig. 5 in addition, because refrigerating chamber is used for frozen food, water in air is divided all and can be existed with the form of ice, does not have the fresh-keeping problem of preserving moisture that exists in the above-mentioned refrigerating chamber, therefore seldom lays down a definition at this.In addition; no matter whether have refrigerating chamber 7; or how to arrange refrigerating chamber and refrigerating chamber; arrange refrigerating chamber and refrigerating chamber of top and bottom for example; or arrange refrigerating chamber and refrigerating chamber down, about or right left bank cloth refrigerating chamber and refrigerating chamber, as long as the air cooling system that refrigerating chamber is used the utility model embodiment to be provided all can be realized better fresh-keeping function; thereby such variation also is not break away from the utility model essence, all within protection domain of the present utility model.
For the wind cooling refrigerator of single system,, shown in 2, have only an evaporimeter that the air of refrigerating chamber and refrigerating chamber is freezed, and the evaporimeter multidigit is in the back of refrigerating chamber as Fig. 1.In this case, the water that the suction unit receives the evaporator surface defrost still can be set in the evaporimeter bottom.But because circulation such as Fig. 1 of air-flow, shown in the arrow in 2, airborne moisture part can flow to the wind into refrigerating chamber freezes, and refrigerating chamber does not have relatively independent air circulation, freeze so moisture may progress into refrigerating chamber, thereby it is not good that effect of the present utility model is realized.Certainly, conceivablely be, for the wind cooling refrigerator of single system, also absorbent material can be set in the air channel, but because the airborne water yield is limited, can only solve the problem of preserving moisture limitedly, the water of evaporator surface defrost still can run off.Therefore, the utility model can be applied to single system wind cooling refrigerator but more limited for the improvement effect of the wind cooling refrigerator of single system.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. an air-cooled circulatory system that is used for refrigerator is characterized in that, comprising:
The air channel, described air channel is arranged on the back of refrigerating chamber, and has air inlet that is arranged on the lower end and the air outlet that is arranged on the upper end, air channel;
Evaporimeter, described evaporimeter are arranged in the described air channel and to the air in the refrigerating chamber and cool off;
Air circulation driver element, described air circulation driver element are arranged in the refrigerating chamber and close described air outlet; And
Suction unit, described suction unit be arranged in the described air channel and be positioned at the below of described evaporimeter and absorb defrost during the water that produced.
2. the air-cooled circulatory system according to claim 1 is characterized in that, described suction unit is made of water-absorption fiber.
3. the air-cooled circulatory system according to claim 2 is characterized in that, described water-absorption fiber is a multilayer, and is close to setting with the inwall in described air channel.
4. the air-cooled circulatory system according to claim 1 is characterized in that, described air circulation driver element is to be arranged near the fan of described air outlet.
5. the air-cooled circulatory system according to claim 1 is characterized in that, described evaporimeter is communicated with described air channel phase fluid.
6. the air-cooled circulatory system according to claim 1 is characterized in that, is provided with the current guide in the described air channel, and described current guide is formed on the inner surface in described air channel and with the water that is produced during the evaporimeter defrost and guides to described suction unit.
7. a wind cooling refrigerator is characterized in that, comprising:
Refrigerating chamber;
The air channel, described air channel is arranged on the back of refrigerating chamber, and has air inlet that is arranged on the lower end and the air outlet that is arranged on the upper end, air channel;
Evaporimeter, described evaporimeter are arranged in the described air channel and to the air in the refrigerating chamber and cool off;
Air circulation driver element, described air circulation driver element are arranged in the refrigerating chamber and close described air outlet; And
Suction unit, described suction unit be arranged in the described air channel and be positioned at the below of described evaporimeter and absorb defrost during the water that produced.
8. wind cooling refrigerator according to claim 7 is characterized in that, described suction unit is formed by the multi-layer absorbent fiber, and is close to setting with the inwall in described air channel.
9. wind cooling refrigerator according to claim 7 is characterized in that, described air circulation driver element is to be arranged near the fan of described air outlet.
10. wind cooling refrigerator according to claim 7 is characterized in that, is provided with the current guide in the described air channel, and described current guide is formed on the inner surface in described air channel and with the water that is produced during the evaporimeter defrost and guides to described suction unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200953131U CN202066281U (en) | 2011-03-31 | 2011-03-31 | Air cooling circulation system for refrigerator and air cooling refrigerator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200953131U CN202066281U (en) | 2011-03-31 | 2011-03-31 | Air cooling circulation system for refrigerator and air cooling refrigerator comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066281U true CN202066281U (en) | 2011-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200953131U Expired - Lifetime CN202066281U (en) | 2011-03-31 | 2011-03-31 | Air cooling circulation system for refrigerator and air cooling refrigerator comprising same |
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| Country | Link |
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| CN (1) | CN202066281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2457391A1 (en) * | 2012-10-23 | 2014-04-25 | BSH Electrodomésticos España S.A. | Domestic refrigerator appliance with a cold air duct (Machine-translation by Google Translate, not legally binding) |
| CN103900325A (en) * | 2014-04-14 | 2014-07-02 | 合肥美菱股份有限公司 | Multi-fan refrigerator air channel |
| CN106225376A (en) * | 2016-07-22 | 2016-12-14 | 海信（山东）冰箱有限公司 | A kind of cold room and refrigerator |
-
2011
- 2011-03-31 CN CN2011200953131U patent/CN202066281U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2457391A1 (en) * | 2012-10-23 | 2014-04-25 | BSH Electrodomésticos España S.A. | Domestic refrigerator appliance with a cold air duct (Machine-translation by Google Translate, not legally binding) |
| CN103900325A (en) * | 2014-04-14 | 2014-07-02 | 合肥美菱股份有限公司 | Multi-fan refrigerator air channel |
| CN103900325B (en) * | 2014-04-14 | 2016-08-17 | 合肥美菱股份有限公司 | A kind of multi-fan refrigerator air duct |
| CN106225376A (en) * | 2016-07-22 | 2016-12-14 | 海信（山东）冰箱有限公司 | A kind of cold room and refrigerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HEFEI MIDEA REFRIGERATOR CO., LTD. Free format text: FORMER NAME: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee after: Hefei Midea Refrigerator Co., Ltd. Patentee after: Hefei Hualing Co., Ltd. Address before: 230601 Hefei Changjiang Road, Anhui, No. 669 Patentee before: Hefei Media Rongshida Refrigerator Co., Ltd. Patentee before: Hefei Hualing Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |