CN102313411B - Refrigerator and refrigerating system thereof - Google Patents
Refrigerator and refrigerating system thereof Download PDFInfo
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- CN102313411B CN102313411B CN 201110313329 CN201110313329A CN102313411B CN 102313411 B CN102313411 B CN 102313411B CN 201110313329 CN201110313329 CN 201110313329 CN 201110313329 A CN201110313329 A CN 201110313329A CN 102313411 B CN102313411 B CN 102313411B
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Abstract
The invention provides a refrigerator and a refrigerating system thereof. The refrigerating system comprises a compressor, a condenser, a capillary tube, a freezing evaporator, a cold-storage evaporator, a first switching unit, a second switching unit and a third switching unit; each of the first switching unit, the second switching unit and the third switching unit is respectively provided with a first port, a second port, a third port and a freshness-preserving evaporator; one end of the freshness-preserving evaporator is connected with the third port of the first switching unit; and the other end of the freshness-preserving evaporator is respectively connected with the third port of the second switching unit and the third port of the third switching unit. According to the refrigerating system of the refrigerator provided by the embodiment of the invention, through the structure and the switching units of the refrigerating system, the freshness-preserving evaporator can be guaranteed to be used as an evaporator or the condenser; the switching between the evaporator and the condenser can be carried out freely; therefore, an unfreezing device is not necessary to be arranged additionally; thus, the structure of the refrigerating system is not only simplified; the manufacturing cost is saved; the fire disaster hidden danger is avoided; but also, the improvement of the refrigeration efficiency can be achieved in an unfreezing process; and the energy consumption is utilized adequately.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to a kind of refrigerator and refrigeration system thereof.
Background technology
In the three-door refrigerator in the market, the chamber mostly is fresh-keeping chamber between middle refrigeration, but fresh-keeping chamber only plays the fresh-keeping and freezing effect of zero degree mostly, can not satisfy people to the requirement of refrigerator multifunctional.
Existing refrigerator is in order to solve the food problem of thawing rapidly, and an electric heater unit is set up in some employing, in order to fresh-keeping chamber is heated up, reaches the food thawing purpose.But adopt the effect of above-mentioned thawing mode undesirable, electric heater unit also can cause the potential safety hazards such as fire and additionally increase the energy consumption of refrigerator in addition.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind ofly to be incubated that evaporimeter is changeable to be the refrigerator refrigerator refrigeration system of condenser.
Another object of the present invention is to propose a kind of refrigerator with above-mentioned refrigerator refrigeration system.
Refrigerator refrigeration system according to the embodiment of the invention comprises: compressor; Condenser, the entrance of described condenser links to each other with the outlet of described compressor; Capillary, described entrance capillaceous links to each other with the outlet of described condenser; Refrigerating evaporator and refrigeration evaporator, described refrigerating evaporator and refrigeration evaporator are connected between the entrance of described capillary outlet and described compressor, and the outlet of described refrigerating evaporator links to each other with the entrance of described refrigeration evaporator; The first to the 3rd switch unit, in described the first to the 3rd switch unit each all has the first to the 3rd port, the first port of described the first switch unit links to each other with the outlet of described compressor and the entrance of condenser respectively, the second port of described the first switch unit links to each other with the entrance of described refrigeration evaporator and the first port of described the 3rd switch unit respectively, the first port of described the second switch unit links to each other with the outlet of described condenser, the second port of described the second switch unit links to each other with described entrance capillaceous, the 3rd port of described the second switch unit links to each other with the 3rd port of described the 3rd switch unit, the first port of described the 3rd switch unit links to each other with the entrance of described refrigeration evaporator, and the second port of described the 3rd switch unit links to each other with the outlet of described refrigerating evaporator; With fresh-keeping evaporimeter, an end of described fresh-keeping evaporimeter links to each other with the 3rd port of described the first switch unit, and the other end of described fresh-keeping evaporimeter links to each other with the 3rd port of described the second switch unit and the 3rd port of described the 3rd switch unit respectively.
Refrigerator refrigeration system according to the embodiment of the invention, structure and switch unit by refrigeration system, can between fresh-keeping evaporimeter is as evaporimeter or condenser, freely switch, therefore need not to arrange in addition thawing apparatus, so namely simplified the structure of refrigeration system, saved manufacturing cost, avoided disaster hidden-trouble, can also be implemented in when thawing, improve refrigerating efficiency, take full advantage of energy consumption.
In addition, the refrigerator refrigeration system according to this law people above-described embodiment can also have following additional technical feature:
Embodiment according to an aspect of the present invention, described condenser comprises the first condenser and the second condenser, and the outlet of described the first condenser links to each other with the first port of described the second switch unit, the entrance of described the second condenser links to each other with the second port of described the second switch unit, and the outlet of stating the second condenser links to each other with described entrance capillaceous.
According to one embodiment of present invention, between described the first condenser and the second condenser, be provided with condensation-preventing device.
According to one embodiment of present invention, the first port of described the second switch unit links to each other with the outlet of described condensation-preventing device, and the second port of described the second switch unit links to each other with the entrance of described the second condenser.
According to one embodiment of present invention, described the first to the 3rd switch unit is the two-bit triplet magnetic valve.
According to one embodiment of present invention, between described condenser and described capillary, be provided with device for drying and filtering.
According to one embodiment of present invention, the muffler between the entrance of the outlet of described refrigeration evaporator and described compressor comprises and the juxtaposed return-air heat exchange of described capillary pipeline section.
The refrigerator of embodiment according to a further aspect of the invention, comprising: casing is limited with refrigerating chamber, refrigerating chamber and fresh-keeping chamber in the described casing; And refrigeration system, described refrigeration system is the described refrigerator refrigeration system of above-mentioned each embodiment, the refrigerating evaporator of wherein said refrigeration system is used for described refrigerating chamber refrigeration, described refrigeration evaporator is used for described refrigerating chamber refrigeration, and described fresh-keeping evaporimeter is used for described fresh-keeping chamber is freezed, thaws and is incubated.
Refrigerator according to the embodiment of the invention, structure and switch unit by refrigeration system, can between fresh-keeping evaporimeter is as evaporimeter or condenser, freely switch, therefore need not to arrange in addition thawing apparatus, so namely simplified the structure of refrigerator, saved manufacturing cost, avoided disaster hidden-trouble, can also be implemented in when thawing, improve refrigerating efficiency, take full advantage of energy consumption.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the schematic diagram of refrigeration system under normal refrigeration mode according to an embodiment of the invention;
Fig. 2 is the schematic diagram of refrigeration system under defrost mode according to an embodiment of the invention;
Fig. 3 is the schematic diagram of refrigeration system under normal refrigeration mode in accordance with another embodiment of the present invention; With
Fig. 4 is the schematic diagram of refrigeration system under defrost mode in accordance with another embodiment of the present invention.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, connect integratedly, also can be to removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly to link to each other, also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Below with reference to Fig. 1-4 refrigerator refrigeration system according to the embodiment of the invention is described.
As depicted in figs. 1 and 2, the refrigerator refrigeration system according to the embodiment of the invention comprises: compressor 1, condenser 2, capillary 3, refrigerating evaporator 4, refrigeration evaporator 5, the first switch unit 61, the second switch unit 62, the 3rd switch unit 63 and fresh-keeping evaporimeter 7.
Particularly, the entrance 202 of condenser 2 links to each other with the outlet 11 of compressor 1, the entrance 32 of capillary 3 links to each other with the outlet 201 of condenser 2, refrigerating evaporator 4 and refrigeration evaporator 5 are connected between the entrance 12 of the outlet 31 of capillary 3 and compressor 1, and the outlet 41 of refrigerating evaporator 4 links to each other with the entrance 52 of refrigeration evaporator 5.
The first to the 3rd switch unit 61,62, in 63 each all has the first to the 3rd port, the first port 611 of the first switch unit 61 links to each other with the outlet 11 of compressor 1 and the entrance 202 of condenser 2 respectively, the second port 612 of the first switch unit 61 links to each other with the entrance 52 of refrigeration evaporator 5 and the first port 631 of the 3rd switch unit 63 respectively, the first port 621 of the second switch unit 62 links to each other with the outlet 201 of condenser 2, the second port 622 of the second switch unit 62 links to each other with the entrance 32 of capillary 3, the 3rd port 623 of the second switch unit 62 links to each other with the 3rd port 633 of the 3rd switch unit 63, the first port 631 of the 3rd switch unit 63 links to each other with the entrance 52 of refrigeration evaporator 5, and the second port 632 of the 3rd switch unit 63 links to each other with the outlet 41 of refrigerating evaporator 4.
One end 71 of fresh-keeping evaporimeter 7 (left end of fresh-keeping evaporimeter 7 among the figure) links to each other with the 3rd port 613 of the first switch unit 61, and the other end 72 of fresh-keeping evaporimeter 7 (right-hand member of fresh-keeping evaporimeter 7 among the figure) links to each other with the 3rd port 623 of the second switch unit 62 and the 3rd port 633 of the 3rd switch unit 63 respectively.
Refrigerator refrigeration system according to the embodiment of the invention, when selected normal refrigeration mode, the first switch unit 61 switches to the second port 612 and 613 conductings of the 3rd port and the first port 611 disconnects, the second switch unit 62 switches to the first port 621 and 622 conductings of the second port and the 3rd port 623 disconnects, and the 3rd switch unit 63 switches to the second port 632 and 633 conductings of the 3rd port and the first port 631 and disconnects.
As shown in Figure 1, after cold-producing medium flows out from the outlet 11 of compressor 1, (this moment, 72 ends of fresh-keeping evaporimeter 7 were entrance through condenser 2, the second switch unit 62, capillary 3, refrigerating evaporator 4, the 3rd switch unit 63, fresh- keeping evaporimeter 7,71 ends are outlet), the first switch unit 61, refrigeration evaporator 5, flow back at last the entrance 12 of compressor 1, finish kind of refrigeration cycle.Under normal refrigeration mode, fresh-keeping evaporimeter 7 is as evaporimeter and refrigerating evaporator 4 and refrigeration evaporator 5 refrigeration that is cascaded.
Refrigerator refrigeration system according to the embodiment of the invention, when selected defrost mode, the first switch unit 61 switches to the first port 611 and 613 conductings of the 3rd port and the second port and disconnects, the second switch unit 62 switch to the second port 622 respectively with the first port 621 and 623 conductings of the 3rd port, the 3rd switch unit 63 switches to the first port 631 and 633 conductings of the 3rd port and the second port 632 disconnects.
As shown in Figure 2, cold-producing medium is divided into two-way, one tunnel the first port 621 and the second port 622 through condenser 2, the second switch unit 62 after the outlet 11 of compressor 1 is flowed out; Another road is through the 3rd port 623 and second port 622 of 71 ends of the first port 611 of the first switch unit 61, the 3rd port 613, fresh-keeping evaporimeter 7,72 ends, the second switch unit 62, cold-producing medium is after the second port 622 places of the second switch unit 62 converge, flow through capillary 3, refrigerating evaporator 4, the 3rd switch unit 63, refrigeration evaporator 5, flow back at last the entrance 12 of compressor 1, finish kind of refrigeration cycle.Therefore under defrost mode, fresh-keeping evaporimeter 7 is in parallel with condenser 2 as condenser, and the mode by external heat release reaches the effect to food thawing and insulation.
Refrigerator refrigeration system according to the embodiment of the invention, structure and switch unit by refrigeration system, can between fresh-keeping evaporimeter 7 is as evaporimeter or condenser, freely switch, therefore need not to arrange in addition thawing apparatus, so namely simplified the structure of refrigeration system, saved manufacturing cost, avoided disaster hidden-trouble, can also be implemented in when thawing, improve refrigerating efficiency, take full advantage of energy consumption.
As shown in Figure 3 and Figure 4, according to one embodiment of present invention, condenser 2 comprises the first condenser 21 and the second condenser 22.The outlet 211 of the first condenser 21 links to each other with the first port 621 of the second switch unit 62, and the entrance 222 of the second condenser 22 links to each other with the second port 622 of the second switch unit 62, and the outlet 221 of the second condenser 22 links to each other with the entrance 32 of capillary 3.
When selected normal refrigeration mode, form the structure that the first condenser 21 is connected with the second condenser 22; When selected defrost mode, form the structure of connecting with the second condenser 22 again after the first condenser 21 and fresh-keeping evaporimeter 7 parallel connections.Thus, according to the refrigerator refrigeration system of the embodiment of the invention, can further improve refrigerating efficiency and refrigeration.
Since the magnetic valve of two-bit triplet have switch accurately, simple, controllability is strong, long service life and the advantage such as cheap, preferably, the first to three switch unit 61,62 and 63 adopts the two-bit triplet magnetic valves
As shown in Figure 3 and Figure 4, according to an example of the present invention, between the first condenser 21 and the second condenser 22, be provided with condensation-preventing device 8.The outlet 211 of the first condenser 21 links to each other with the entrance 82 of condensation-preventing device 8, and the first port 621 of the second switch unit 62 links to each other with the outlet 81 of condensation-preventing device 8, and the second port 622 of the second switch unit 62 links to each other with the entrance 222 of the second condenser 22.Can effectively prevent chamber door and doorframe contact position dewfall by condensation-preventing device 8.
According to an example of the present invention, between condenser 2 and capillary 3, be provided with device for drying and filtering.In the upstream of capillary 3 device for drying and filtering 9 is set, the contaminant filters such as the pressed powder in the cold-producing medium and dirt can be fallen, therefore prevent that effectively capillary is blocked.In addition, the moisture content of device for drying and filtering 9 in can also the absorption refrigeration agent is to improve refrigeration.
Preferably, the muffler 10 between the entrance 12 of the outlet 51 of refrigeration evaporator 5 and compressor 1 comprises and capillary 3 juxtaposed return-air heat exchange pipeline sections 101.Thus, by with the juxtaposition of capillary 3, can reduce the temperature of the gaseous refrigerant of the return-air heat exchange pipeline section 101 of flowing through, Effective Raise refrigeration for refrigerator efficient.
The below describes the refrigerator according to the embodiment of the invention.
Refrigerator according to the embodiment of the invention comprises: casing (not shown) and refrigeration system.
Particularly, be limited with refrigerating chamber, refrigerating chamber and fresh-keeping chamber in the casing.Refrigeration system is the described refrigerator refrigeration system of above-mentioned each embodiment.The described refrigerating evaporator 4 of refrigeration system is used for the refrigerating chamber refrigeration, and refrigeration evaporator 5 is used for the refrigerating chamber refrigeration, and fresh-keeping evaporimeter 7 is used for fresh-keeping chamber is freezed, thaws and is incubated.
When needs to food thawing or when insulation, the user can put into fresh-keeping chamber with food, the refrigerator work pattern is switched to defrost mode and can set thaw or temperature retention time.This moment, refrigerator refrigeration system was according to above-mentioned defrost mode work, changed condenser into and reached rapid lifting fresh-keeping chamber temperature by be incubated evaporimeter 7, with the effect (the fresh-keeping chamber temperature can be constant in 2 ℃-8 ℃) of thawed foodstuff or insulation in the realization short time.
After finishing when thawing, being incubated or reaching the time of setting, switch back normal refrigeration mode according to the refrigerator of the embodiment of the invention, fresh-keeping evaporimeter 7 freezes to fresh-keeping chamber as evaporimeter.
Refrigerator according to the embodiment of the invention, structure and switch unit by refrigeration system, can between fresh-keeping evaporimeter 7 is as evaporimeter or condenser, freely switch, therefore need not to arrange in addition thawing apparatus, so namely simplified the structure of refrigerator, saved manufacturing cost, avoided disaster hidden-trouble, can also be implemented in when thawing, improve refrigerating efficiency, take full advantage of energy consumption.
Other Structure and functions according to the refrigerator of the embodiment of the invention are known to those skilled in the art, do not repeat them here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present invention and aim, scope of the present invention is limited by claim and equivalent thereof.
Claims (8)
1. a refrigerator refrigeration system is characterized in that, comprising:
Compressor;
Condenser, the entrance of described condenser links to each other with the outlet of described compressor;
Capillary, described entrance capillaceous links to each other with the outlet of described condenser;
Refrigerating evaporator and refrigeration evaporator, described refrigerating evaporator and refrigeration evaporator are connected between the entrance of described capillary outlet and described compressor, and the outlet of described refrigerating evaporator links to each other with the entrance of described refrigeration evaporator;
The first to the 3rd switch unit, in described the first to the 3rd switch unit each all has the first to the 3rd port, the first port of described the first switch unit links to each other with the outlet of described compressor and the entrance of condenser respectively, the second port of described the first switch unit links to each other with the entrance of described refrigeration evaporator and the first port of described the 3rd switch unit respectively, the first port of described the second switch unit links to each other with the outlet of described condenser, the second port of described the second switch unit links to each other with described entrance capillaceous, the 3rd port of described the second switch unit links to each other with the 3rd port of described the 3rd switch unit, the first port of described the 3rd switch unit links to each other with the entrance of described refrigeration evaporator, and the second port of described the 3rd switch unit links to each other with the outlet of described refrigerating evaporator; With
Fresh-keeping evaporimeter, an end of described fresh-keeping evaporimeter links to each other with the 3rd port of described the first switch unit, and the other end of described fresh-keeping evaporimeter links to each other with the 3rd port of described the second switch unit and the 3rd port of described the 3rd switch unit respectively.
2. refrigerator refrigeration system according to claim 1, it is characterized in that, described condenser comprises the first condenser and the second condenser, and the outlet of described the first condenser links to each other with the first port of described the second switch unit, the entrance of described the second condenser links to each other with the second port of described the second switch unit, and the outlet of described the second condenser links to each other with described entrance capillaceous.
3. refrigerator refrigeration system according to claim 2 is characterized in that, is provided with condensation-preventing device between described the first condenser and the second condenser.
4. refrigerator refrigeration system according to claim 3 is characterized in that, the first port of described the second switch unit links to each other with the outlet of described condensation-preventing device, and the second port of described the second switch unit links to each other with the entrance of described the second condenser.
5. refrigerator refrigeration system according to claim 1 is characterized in that, described the first to the 3rd switch unit is the two-bit triplet magnetic valve.
6. refrigerator refrigeration system according to claim 1 is characterized in that, is provided with device for drying and filtering between described condenser and described capillary.
7. each described refrigerator refrigeration system is characterized in that according to claim 1-6, and the muffler between the outlet of described refrigeration evaporator and the entrance of described compressor comprises and the juxtaposed return-air heat exchange of described capillary pipeline section.
8. a refrigerator is characterized in that, comprising:
Casing is limited with refrigerating chamber, refrigerating chamber and fresh-keeping chamber in the described casing; With
Refrigeration system, described refrigeration system is each described refrigerator refrigeration system in according to claim 1-7, the refrigerating evaporator of wherein said refrigeration system is used for described refrigerating chamber refrigeration, described refrigeration evaporator is used for described refrigerating chamber refrigeration, and described fresh-keeping evaporimeter is used for described fresh-keeping chamber is freezed, thaws and is incubated.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110313329 CN102313411B (en) | 2011-10-14 | 2011-10-14 | Refrigerator and refrigerating system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110313329 CN102313411B (en) | 2011-10-14 | 2011-10-14 | Refrigerator and refrigerating system thereof |
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| Publication Number | Publication Date |
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| CN102313411A CN102313411A (en) | 2012-01-11 |
| CN102313411B true CN102313411B (en) | 2013-04-17 |
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| CN 201110313329 Active CN102313411B (en) | 2011-10-14 | 2011-10-14 | Refrigerator and refrigerating system thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423823A (en) * | 2013-06-25 | 2013-12-04 | 上海理工大学 | Compound base station room air conditioner |
| CN104329822A (en) * | 2013-10-31 | 2015-02-04 | 海尔集团公司 | Refrigeration device |
| CN104344588A (en) * | 2013-10-31 | 2015-02-11 | 海尔集团公司 | Refrigerator cooling system and refrigerator employing same |
| CN104344666A (en) * | 2013-10-31 | 2015-02-11 | 海尔集团公司 | Refrigeration device |
| JP2019219125A (en) * | 2018-06-21 | 2019-12-26 | 東芝ライフスタイル株式会社 | refrigerator |
| CN111486633A (en) * | 2020-03-16 | 2020-08-04 | 合肥美科制冷技术有限公司 | Refrigerator utilizing heat pipe conductive evaporator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008534894A (en) * | 2005-02-02 | 2008-08-28 | キャリア コーポレイション | Refrigeration system with saving cycle |
| US20090293508A1 (en) * | 2008-06-03 | 2009-12-03 | Alexander Pinkus Rafalovich | Refrigerator including high capacity ice maker |
| CN101846432A (en) * | 2009-03-25 | 2010-09-29 | 凌建军 | Waste heat utilization type disinfection cabinet and refrigerator integrated machine capable of increasing condensing temperature in winter and reducing condensing temperature in summer |
| CN201434555Y (en) * | 2009-03-27 | 2010-03-31 | 合肥美菱股份有限公司 | Three-door refrigerator with food unfreezing function |
| JP2011112351A (en) * | 2009-11-30 | 2011-06-09 | Sanyo Electric Co Ltd | Refrigerating device |
| CN202267262U (en) * | 2011-10-14 | 2012-06-06 | 合肥美的荣事达电冰箱有限公司 | Refrigerator and refrigerating system thereof |
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Owner name: HEFEI MIDEA REFRIGERATOR CO., LTD. Free format text: FORMER NAME: HEFEI MEDIA RONGSHIDA REFRIGERATOR CO., LTD. |
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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. |