CN203024290U - Outdoor unit of refrigerating device - Google Patents
Outdoor unit of refrigerating device Download PDFInfo
- Publication number
- CN203024290U CN203024290U CN 201220727049 CN201220727049U CN203024290U CN 203024290 U CN203024290 U CN 203024290U CN 201220727049 CN201220727049 CN 201220727049 CN 201220727049 U CN201220727049 U CN 201220727049U CN 203024290 U CN203024290 U CN 203024290U
- Authority
- CN
- China
- Prior art keywords
- outdoor unit
- underframe
- shell
- steel sheet
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910018464 Al—Mg—Si Inorganic materials 0.000 claims description 12
- 238000007747 plating Methods 0.000 claims description 6
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 4
- 239000008397 galvanized steel Substances 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 abstract description 12
- 238000005260 corrosion Methods 0.000 abstract description 12
- 229910007570 Zn-Al Inorganic materials 0.000 abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000004378 air conditioning Methods 0.000 abstract 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 12
- 229910001431 copper ion Inorganic materials 0.000 description 12
- 239000007788 liquid Substances 0.000 description 11
- 238000004891 communication Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 229910018134 Al-Mg Inorganic materials 0.000 description 4
- 229910018467 Al—Mg Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model provides an outdoor unit of a refrigerating device. The outdoor unit adopts a heat exchanger made of aluminum or aluminum alloy so as to be difficultly influenced by metal corrosion. The outdoor unit (20) of an air conditioning device (1) provided by the embodiment is provided with a heat exchanger (25) made of aluminum or aluminum alloy, refrigerant distribution pipes, wherein at least one part of the refrigerant distribution pipes comprises copper distribution pipes, and a chassis (52) made of a Zn-Al(11%)-Mg(3%)-Si(0.2%) plated steel plate.
Description
Technical field
The utility model relates to the outdoor unit of refrigerating plant.
Background technology
In the outdoor unit of refrigerating plant, for example as patent documentation 1(TOHKEMY 2010-112667) as described in, report has a following example: take the corrosion that prevents underframe as purpose, the fin of heat exchanger and heat-transfer pipe use aluminum or aluminum alloy, and utilize Zn-Al coated steel sheet or Zn-Al-Mg coated steel sheet to consist of underframe.
But have such problem: being difficult to make refrigerant loop parts class is all aluminum or aluminium alloy system, and the part of refrigerant loop parts need to be used the copper pipe arrangement.And the copper ion that produces due to the copper pipe arrangement aggravates the corrosion of Zn-Al coated steel sheet or Zn-Al-Mg coated steel sheet.
[prior art document]
[patent documentation]
Patent documentation 1: TOHKEMY 2010-112667
The utility model content
Problem of the present utility model is, the outdoor unit of the refrigerating plant of the impact that is not easy to be subject to metal erosion is provided.
Be used for solving the technical scheme of problem
The outdoor unit of the refrigerating plant of first aspect of the present utility model possesses: the heat exchanger of aluminum or aluminium alloy system; Underframe, it is used for the mounting heat exchanger; And refrigerant piping, it is connected with heat exchanger.Underframe comprises the Zn-Al-Mg-Si coated steel sheet at least.At least a portion of refrigerant piping comprises the copper pipe arrangement.
Here, making heat exchanger is the heat exchanger of aluminum or aluminium alloy system, and makes underframe comprise at least the Zn-Al-Mg-Si coated steel sheet, thereby can suppress to make the underframe corrosion because of the impact of copper ion contained in dew.
Underframe both can whole be formed by the Zn-Al-Mg-Si coated steel sheet, also can a part be formed by the Zn-Al-Mg-Si coated steel sheet.
The outdoor unit of the refrigerating plant of second aspect of the present utility model is: in the outdoor unit of the refrigerating plant of first aspect, utilize baffle for separating to become air chamber and Machine Room in the enclosure of outdoor unit, the copper pipe arrangement all is configured in the Machine Room side.
Here, owing to there is no the impact of rainwater in the Machine Room side, therefore the liquate from the copper ion of copper pipe arrangement can be suppressed at bottom line, can suppress further underframe and produce corrosion.
The outdoor unit of the refrigerating plant of the third aspect of the present utility model is: in the outdoor unit of the refrigerating plant of second aspect, the part of the side of Machine Room at least of underframe is formed by the Zn-Al-Mg-Si coated steel sheet.
The outdoor unit of the refrigerating plant of fourth aspect of the present utility model is: in the outdoor unit of the refrigerating plant of the third aspect, dispose resin component between heat exchanger and shell.
The outdoor unit of the refrigerating plant of the 5th aspect of the present utility model is: in the outdoor unit of the refrigerating plant of the third aspect, shell comprises top board, left outside case member, right front board and right back board.Top board, left outside case member, right front board and right back board are formed by hot-dip galvanized steel sheet.
The outdoor unit of the refrigerating plant of the 6th aspect of the present utility model is: in the outdoor unit of the refrigerating plant of the either side in aspect first aspect to the five, the Zn-Al-Mg-Si coated steel sheet is that plating forms in the plating of the Si of the Mg of the Al, 2～4 quality % that have added 10～12 quality % in melting Zn and 0.1～0.5 quality % is bathed.
In structure of the present utility model, because the copper pipe arrangement all is configured in the Machine Room side, therefore only produce copper ion in the Machine Room.Because the bottom surface portions of Machine Room is formed by the Zn-Al-Mg-Si coated steel sheet, therefore, fall on base plate even contain the dew of copper ion, also can suppress the corrosion of underframe.
The utility model effect
In the outdoor unit of the refrigerating plant of first aspect of the present utility model, can suppress to make the underframe corrosion because of the impact of copper ion contained in dew.
In the outdoor unit of the refrigerating plant of second aspect of the present utility model, the liquate from the copper ion of copper pipe arrangement can be suppressed at bottom line.
Description of drawings
Fig. 1 is the refrigerant loop figure of summary of aircondition of outdoor unit that has adopted the refrigerating plant of an embodiment of the present utility model.
Fig. 2 is the approximate three-dimensional map of outdoor unit of the refrigerating plant of an embodiment of the present utility model.
Fig. 3 is the top view (removing under the state of top board, only around illustrated chamber outer heat-exchanger, outdoor fan) of outdoor unit of the refrigerating plant of an embodiment of the present utility model.
Fig. 4 is the approximate three-dimensional map of the state of removing top board, left plate, right front board and right back board of outdoor unit of the refrigerating plant of an embodiment of the present utility model.
Fig. 5 is the top view of underframe of outdoor unit of the refrigerating plant of an embodiment of the present utility model.
Fig. 6 is the approximate three-dimensional map of outdoor heat converter.
Fig. 7 is the partial enlarged drawing when cutting off the flat tube of outdoor heat converter and fin along vertical.
Label declaration:
1: aircondition (refrigerating plant);
20: outdoor unit;
21: reservoir;
23: compressor;
24: No. four transfer valves;
25: outdoor heat converter (heat exchanger);
26: expansion valve;
27: the hydraulic fluid side draught excluder;
28: the gas side draught excluder;
35: outdoor fan;
40: indoor unit;
41: indoor heat converter;
42: indoor fan;
50: shell;
51: header board;
51a: the blow-off outlet of air;
52: underframe;
53a: the suction inlet of air;
54: left plate (adjacent side plates);
54a: the suction inlet of air;
55: right front board;
56: right back board;
57: top board;
57a: kink;
58: dividing plate;
60: fan grill;
71: liquid refrigerant communication pipe arrangement;
72: gas refrigerant communication pipe arrangement;
81: suction line;
82: bleed pipe;
83: the first gas refrigerant pipes;
831: the pipe of aluminum or aluminium alloy system;
832: pipe made of copper;
84: the liquid refrigerant pipe;
841: the pipe of aluminum or aluminium alloy system;
842: pipe made of copper;
85: the second gas refrigerant pipes;
151: left outside case member.
The specific embodiment
Below, with reference to accompanying drawing, embodiment of the present utility model is described.
The outdoor unit of the refrigerating plant of use present embodiment is as the outdoor unit of aircondition.
(1) summary of aircondition
(1-1) overall structure
Aircondition 1 is so-called split type aircondition, as shown in Figure 1, this aircondition 1 has outdoor unit 20, indoor unit 40, and liquid refrigerant communication pipe arrangement 71 and gas refrigerant communication pipe arrangement 72 that outdoor unit 20 and indoor unit 40 are coupled together.
(1-2) indoor unit
Utilize not shown motor to make indoor fan 42 rotations, indoor fan 42 is taken into room air and to indoor heat converter 41 air-supplies, promotes the heat exchange of indoor heat converter 41 and room air.
(1-3) outdoor unit
(2) to the detailed description of outdoor unit
Fig. 2 shows the approximate three-dimensional map of outdoor unit 20.The 50th, shell, the 60th, be installed on the fan grill of the front surface of shell 50.In addition, in the following description, adopted " on ", the statement of the expression directions such as D score, " left side ", " right side ", 'fornt', 'back', " front ", " back side ", but in the situation that explanation especially, expression with the header board 51 that disposes fan grill 60 as positive and direction in the situation of face side observation.
(2-1) shell
57,151,55,56 is respectively top board, left outside case member, right front board, the right back board that consists of the part of shell 50.The 60th, be installed on the fan grill in the outside of shell 50.The circumference of top board 57 has the kink 57a of bending down.
As shown in Figure 3, left outside case member 151 is formed by header board 51 and left plate 54.Shell 50 is by left outside case member 151, right front board 55, right back board 56, top board 57 and underframe 52(Fig. 4 described later) consist of.Left outside case member 151, right front board 55, right back board 56 and top board 57 use hot-dip galvanized steel sheet.
Be formed with the blow-off outlet 51a of the air of sending here from outdoor fan 35 at the header board that blows out side 51 that is disposed at outdoor fan 35 of shell 50.Blow-off outlet 51a is circular opening.Be provided with from the circumference of the opening of blow-off outlet 51a the horn mouth 65 that protrudes towards the inboard of shell 50.Shell 50 outsides at blow-off outlet 51a are equipped with fan grill 60 in the mode that covers whole blow-off outlet 51a.
(2-1-1) underframe
As shown in Figure 4, underframe 52 consists of the lower surface of shell 50.As shown in Figure 5, underframe 52 is rectangular plate-shaped members roughly.Upload at underframe 52 and be equipped with heat exchanger 25 described later.Circumference at underframe 52 is provided with the not shown kink that extends up.Utilize screw etc. that left outside case member 151, right front board 55, right back board 56 and dividing plate 58 are fixed in kink.
(2-1-2) left outside case member
Left outside case member 151 is to form the roughly plate-shaped member of L word shape when overlooking, and header board 51 and left plate 54 are shaped integratedly.Left outside case member 151 is from underframe 52 to roughly extending to top board 57 above vertical.Left outside case member 151 and underframe 52 and top board 57 utilize respectively screw etc. fixing.
(2-1-3) right front board
(2-1-4) right back board
Right back board 56 is the plate-shaped members that consist of the rear portion of the right back side of shell 50 and right flank.The top extends to top board 57 to right back board 56 from underframe 52 to vertical roughly, and fixing with underframe 52 and top board 57 by screw etc. respectively.Between the left and right directions of the rear side end of the rearward end of the left plate 54 of left outside case member 151 and right back board 56, be formed with the suction inlet 53a that is drawn into the air in shell 50 by outdoor fan 35.
(2-1-5) top board
(2-2) dividing plate
Dividing plate 58 is to extend to the plate-shaped member of top board 57 from the underframe 52 of shell 50 to vertical top roughly.The bottom of dividing plate 58 is fixing with underframe 52 by screw etc.As shown in Figure 3, dividing plate 58 has the shape of arcuation when overlooking.Dividing plate 58 is divided into air chamber S1 and Machine Room S2 with the inside of shell 50.Dividing plate 58 uses hot-dip galvanized steel sheet.
Air chamber S1 is surrounded sides by left outside case member 151 and dividing plate 58 and the space that forms, and it mainly disposes outdoor fan 35 and outdoor heat converter 25.In air chamber S1, become the structure that outside section opens wide for Air Flow, easily be subject to the impact of rainwater etc.And, owing to disposing heat exchanger 25, therefore easily produce dewfall etc.
The space that Machine Room S2 is formed by right front board 55, right back board 56 and dividing plate 58 encirclement sides, it disposes compressor 23, No. four transfer valves 24 and electric component unit etc.The Machine Room can not be exposed in rainwater.
(2-3) by means of the connection of refrigerant piping
Utilize suction line 81 that suction inlet and No. four transfer valves 24 of compressor 23 are coupled together.At suction line 81, be provided with reservoir 21 between the suction inlet of compressor 23 and No. four transfer valves 24.Utilize bleed pipe 82 that ejiction opening and No. four transfer valves 24 of compressor 23 are coupled together.Utilize the first gas refrigerant pipe 83 that the gas side of No. four transfer valves 24 with outdoor heat converter 25 coupled together.Utilize liquid refrigerant pipe 84 that outdoor heat converter 25 and hydraulic fluid side draught excluder 27 are coupled together.At liquid refrigerant pipe 84, be provided with expansion valve 26 between outdoor heat converter 25 and hydraulic fluid side draught excluder 27.Hydraulic fluid side draught excluder 27 is connected with liquid refrigerant communication pipe arrangement 71.Utilize the second gas refrigerant pipe 85 that No. four transfer valves 24 are coupled together with gas side draught excluder 28.Gas side draught excluder 28 is connected with gas refrigerant communication pipe arrangement 72.
As shown in Figure 6, the first gas refrigerant pipe 83 directly is connected with heat exchanger 25, and is connected with pipe 832 made of copper by the pipe 831 of aluminum or aluminium alloy system.Similarly, liquid refrigerant pipe 84 directly is connected with heat exchanger 25, and is connected with pipe 842 made of copper by the pipe 841 of aluminum or aluminium alloy system.
(2-4) compressor
(2-5) No. four transfer valves
No. four transfer valves 24 switch the flow direction of cold-producing medium during with the switching that heats running at the cooling operation of aircondition 1.When cooling operation, bleed pipe 82 and the first gas refrigerant pipe 83 are coupled together, and suction line 81 and the second gas refrigerant pipe 85 are coupled together.On the other hand, when heating running, bleed pipe 82 and the second gas refrigerant pipe 85 are coupled together, and suction line 81 and the first gas refrigerant pipe 83 are coupled together.
(2-6) reservoir
(2-7) outdoor heat converter
The heat exchange of outdoor heat converter 25 utilizations and outdoor air makes condensation of refrigerant or the evaporation in internal flow.Outdoor heat converter 25 is all aluminum or aluminium alloy system.Outdoor heat converter 25 with and shell 50 between vacate the mode in suitable space, perhaps be configured in shell 50 in the mode that resin component etc. is set between shell 50 and outdoor heat converter 25, in order to avoid outdoor heat converter 25 directly contacts with shell 50.
The outdoor air that is taken into outside shell 50 by outdoor fan 35 is discharged to outside shell from the blow-off outlet 51a that is formed at shell 50 by after outdoor heat converter 25.
Fig. 7 is the partial enlarged drawing when cutting off flat tube 93 and fin 94 along vertical.Flat tube 93 has: the planar portions that becomes the up and down of heat-transfer area; And a plurality of internal flow path 93a that supply flow of refrigerant.Flat tube 93 makes planar portions arrangement multilayer in devices spaced apart ground under the state of up and down.Fin 94 is fins of shape shown in Figure 7, and it contacts with flat tube 93.Be formed with a plurality of otch 94a that extend longways along horizontal thin at fin 94, in order to insert fin 94 with respect to being arranged in the multilayer flat tube 93 between two collectors 91,92.As shown in Figure 7, the shape of the otch 94a of these fins 94 is roughly consistent with the profile in the cross section of flat tube 93.
(2-8) expansion valve
(2-9) draught excluder
Hydraulic fluid side draught excluder 27 is connected with the gas side draught excluder respectively and is connected with liquid refrigerant communication pipe arrangement 71 pipe arrangement 72 of being connected with gas refrigerant.When usually turning round, two draught excluders 27,28 are in the state of opening.
(2-10) outdoor fan
Utilize motor 35a to make outdoor fan 35 rotations, outdoor fan 35 is taken into outdoor air from the outside of shell 50.The outdoor air that is taken into is by the rear outside that is discharged to shell 50 from the blow-off outlet 51a that is formed at shell 50 of outdoor heat converter 25.That is, roughly as shown in the arrow in Fig. 3, air is moved by outdoor fan 35 rotations.
(2-11) fan grill
(3) feature
（3-1）
The outdoor unit 20 of the aircondition 1 of present embodiment possesses: the heat exchanger 25 of aluminum or aluminium alloy system; Zn-Al(11%)-Mg(3%) underframe 52 of coated steel sheet system-Si(0.2%); With the refrigerant piping 81～85 that is connected with heat exchanger 25.And at least a portion of refrigerant piping 81～85 comprises copper pipe arrangement 832,842.
Here, owing to using Zn-Al(11%)-Mg(3%)-Si(0.2%) coated steel sheet forms underframe 52, therefore, compare with the underframe that consists of with Zn-Al coated steel sheet or Zn-Al-Mg coated steel sheet in the past, more can suppress the underframe corrosion that the impact due to the copper ion that contains in dew causes.
（3-2）
In the outdoor unit 20 of the aircondition 1 of present embodiment, copper pipe arrangement 832,842 is configured in the Machine Room S2 that is separated out by dividing plate 58.Therefore, the liquate from copper pipe arrangement 832,842 copper ion can be suppressed at bottom line, and can suppress further underframe and produce corrosion.Thus, can improve further the corrosion resistance of the outdoor unit 20 of aircondition 1.
(4) variation
Below, modified embodiment of the present embodiment is shown.In addition, also can suitably make up a plurality of variation.
(4-1) variation A
The outdoor unit 20 that illustrates in the above-described embodiment is used for aircondition 1, but is not limited to this, also can be used for other refrigerating plant.
(4-2) variation B
In the outdoor unit 20 of the aircondition 1 that illustrates in the above-described embodiment, use Zn-Al(11%)-Mg(3%)-Si(0.2%) coated steel sheet forms underframe 52, but also can use Zn-Al(11%)-Mg(3%)-Si(0.2%) coated steel sheet only forms the part of the Machine Room S2 side of underframe 52, and the part of air chamber S1 side consists of with Zn-Al coated steel sheet or Zn-Al-Mg coated steel sheet.In structure of the present utility model, because the copper pipe arrangement all is configured in the Machine Room side, therefore only produce copper ion in the Machine Room.By adopting this structure, fall on base plate even contain the dew of copper ion, also can suppress the corrosion of underframe.
(4-3) variation C
And, in the outdoor unit 20 of aircondition 1, also can make the refrigerant piping 81,82,85 that is configured in the Machine Room side be the copper pipe arrangement.
Claims (6)
1. the outdoor unit of a refrigerating plant, is characterized in that, this outdoor unit possesses:
The heat exchanger of aluminum or aluminium alloy system (25);
Underframe (52), it is used for loading described heat exchanger; And
Refrigerant piping (81～85), it is connected with described heat exchanger,
Described underframe comprises the Zn-Al-Mg-Si coated steel sheet at least,
At least a portion of described refrigerant piping comprises copper pipe arrangement (832,842).
2. outdoor unit according to claim 1, wherein,
Described outdoor unit also possesses shell (50), utilizes dividing plate (58) to be separated into air chamber (S1) and Machine Room (S2) in described enclosure, and described copper pipe arrangement all is configured in described Machine Room side.
3. outdoor unit according to claim 2, wherein,
The part of the described at least Machine Room side of described underframe is formed by the Zn-Al-Mg-Si coated steel sheet.
4. outdoor unit according to claim 3, wherein,
Dispose resin component between described heat exchanger and described shell.
5. outdoor unit according to claim 3, wherein,
Described shell comprises top board (57), left outside case member (151), right front board (55) and right back board (56),
Described top board, described left outside case member, described right front board and described right back board are formed by hot-dip galvanized steel sheet.
6. the described outdoor unit of any one according to claim 1 to 5, wherein,
Described Zn-Al-Mg-Si coated steel sheet is that plating forms in the plating of the Si of the Mg of the Al, 2～4 quality % that have added 10～12 quality % in melting Zn and 0.1～0.5 quality % is bathed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011290073A JP2013139920A (en) | 2011-12-28 | 2011-12-28 | Refrigerator outdoor unit |
| JP2011-290073 | 2011-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024290U true CN203024290U (en) | 2013-06-26 |
Family
ID=48648270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220727049 Expired - Fee Related CN203024290U (en) | 2011-12-28 | 2012-12-26 | Outdoor unit of refrigerating device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013139920A (en) |
| CN (1) | CN203024290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546027A (en) * | 2015-09-18 | 2017-03-29 | 东芝开利株式会社 | Freezing cycle device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6475040B2 (en) * | 2015-02-25 | 2019-02-27 | シャープ株式会社 | Air conditioner outdoor unit |
| JP6645029B2 (en) * | 2015-05-11 | 2020-02-12 | 富士電機株式会社 | vending machine |
| CN107490094B (en) * | 2017-09-07 | 2019-10-25 | 张伟飞 | A kind of heat-proof device that air-conditioning waste heat is isolated |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3179446B2 (en) * | 1998-07-02 | 2001-06-25 | 新日本製鐵株式会社 | Coated steel sheet and coated steel sheet excellent in corrosion resistance and method for producing the same |
| JP2005090761A (en) * | 2003-09-12 | 2005-04-07 | Matsushita Electric Ind Co Ltd | Air conditioner |
| JP2010112667A (en) * | 2008-11-10 | 2010-05-20 | Mitsubishi Electric Corp | Air conditioner |
-
2011
- 2011-12-28 JP JP2011290073A patent/JP2013139920A/en active Pending
-
2012
- 2012-12-26 CN CN 201220727049 patent/CN203024290U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546027A (en) * | 2015-09-18 | 2017-03-29 | 东芝开利株式会社 | Freezing cycle device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013139920A (en) | 2013-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20191226 |