CN202885211U - Air conditioner provided with top cover lifting device - Google Patents
Air conditioner provided with top cover lifting device Download PDFInfo
- Publication number
- CN202885211U CN202885211U CN 201220540486 CN201220540486U CN202885211U CN 202885211 U CN202885211 U CN 202885211U CN 201220540486 CN201220540486 CN 201220540486 CN 201220540486 U CN201220540486 U CN 201220540486U CN 202885211 U CN202885211 U CN 202885211U
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- China
- Prior art keywords
- top cover
- air
- plate
- tooth bar
- conditioner
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- Expired - Lifetime
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Abstract
The utility model discloses an air conditioner provided with a top cover lifting device. The air conditioner provided with the top cover lifting device comprises a unit case, a top cover, a first gear rack, a second gear rack, a first drive motor and a second drive motor, an air duct is formed in the unit case, the top of the unit case is open, and an air inlet communicated with the air duct is formed in the unit case. The top cover can be arranged on the top of the unit case and can move up and down on the top of the unit case, and an air outlet communicated with the air duct is formed in the top cover. The first gear rack and the second gear rack are connected with the top cover to drive the top cover to move up and down. The first drive motor and the second drive motor are installed on the unit case, a first gear meshed with the first gear rack to drive the first gear rack to move up and down is arranged on a first motor shaft of the first drive motor, and a second gear meshed with the second gear rack to drive the second gear rack to move up and down is arranged on a second motor shaft of the second drive motor. According to the air conditioner provided with the top cover lifting device, the top cover is controlled to move up and down through the meshing of the gears and the gear racks, and therefore the top cover is enabled to be lifted stably, and the structure of the air conditioner provided with the top cover lifting device is simple.
Description
Technical field
The utility model relates to field of air conditioning, especially relates to a kind of air-conditioner with top cover lowering or hoisting gear.
Background technology
In recent years, medium and high-grade goods in these several air-out modes of direction switch door, sliding door and top air-out have progressively appearred in field of air conditioning, the air-conditioner of visible air outlet mode under traditional off-mode is modified into after the shutdown air outlet can closed air-out mode, has greatly improved appearance effect and the market competitiveness of product.
In present air conditioner industry, the top air-out structure of separated floor air-conditioning adopts Collapsible rack to drive the elevating movement of the top cover of air-conditioning, and the hinge of folding rack is not done the displacement of relative Collapsible rack, plays the effect of fixed support point.This Collapsible rack can by adding turning moment in the hinge effect, rotate the connecting rod at hinge place when work.Wherein Collapsible rack can drive it by drive motors and moves up and down, there is following shortcoming in this kind structure: 1, by adding turning moment in the hinge effect, the connecting rod at hinge place is rotated, drive motors a bit promotes the foldable integral support-moving by hinge, this drive motors is heavy-duty motor, it is large that powerful drive motors exists noise, during operation the vibration terrible, folding rack is had some setbacks in rigidity power effect lower slider; 2, folding rack is that pin joint by the support both sides is connected with slide rail, needs the fitness of each pin joint and slide rail high, and mounting process is loaded down with trivial details, the low suitability for industrialized production that is not suitable for of production efficiency.Thereby so that the top air-out complex structure of separated floor air-conditioning, fluctuation of service.
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, a purpose of the present utility model is to propose a kind of air-conditioner with top cover lowering or hoisting gear.
According to the air-conditioner with top cover lowering or hoisting gear of the present utility model, comprising: casing, be formed with the open-top of air channel and described casing in the described casing, be formed with the air inlet that is communicated with described air channel on the described casing; Top cover, described top cover can be located at the top of described casing up or down, is formed with the air outlet that is communicated with described air channel on the described top cover; The first and second tooth bars, described the first and second tooth bars link to each other to drive described top cover with described top cover and move up and down; And first and second drive motors, described the first and second drive motors are installed on the described casing, the first motor shaft of described the first drive motors is provided with described the first tooth bar and meshes to drive the first gear that described the first tooth bar moves up and down, the second motor shaft of described the second drive motors is provided with described the second tooth bar and meshes to drive the second gear that described the second tooth bar moves up and down, and moves up and down so that described the first and second drive motors drive described top cover.
According to the air-conditioner with top cover lowering or hoisting gear of the present utility model, the first drive motors and the second drive motors drive respectively the first gear and the second gear rotates, the first gear and the first tooth bar mesh to drive the first tooth bar and move up and down, the second gear and the second tooth bar mesh to drive the second tooth bar and move up and down, and the first tooth bar links to each other with top cover with the second tooth bar and moves up and down to drive top cover, control moving up and down of top cover by the engagement fit of rack-and-pinion thus, thereby so that the top cover lifting is steady, and this air conditioner structure is simple.
In addition, also have following additional technical feature according to the air-conditioner with top cover lowering or hoisting gear of the present utility model:
According to embodiment more of the present utility model, air-conditioner further comprises the first and second guide rails, and described the first and second guide rails are located on the sidewall of described casing and cooperate to guide moving up and down of described the first and second tooth bars with described the first and second tooth bars respectively.Thereby by being provided with the first guide rail and the second guide rail, not only be convenient to the up and down traveling priority that the first tooth bar and the second tooth bar are located on the casing and have guaranteed the first tooth bar and the second tooth bar, and reduced the mobile friction of the first tooth bar and the second tooth bar.
Further, air-conditioner also comprises the first and second supports, and described the first and second supports are located at respectively on the sidewall of described casing, and described the first and second guide rails are located at respectively on described the first and second supports.Thereby be convenient to the first guide rail and the second guide rail is located on the casing.
In embodiment more of the present utility model, described casing comprises: left plate and right plate, and described left plate and described right plate are along the spaced apart setting of left and right directions and parallel to each other; Front and rear panels, the left and right sides of described header board link to each other with the forward position of described left plate and right plate respectively, and the left and right sides of described rear plate links to each other with the rear edge of described left plate and right plate respectively; And base plate, described base plate links to each other with the bottom of described left plate, described right plate, described header board and described rear plate.
In further embodiment of the present utility model, air-conditioner further comprises fixed head, and described fixed head is located in the described top cover, and the upper end of described the first and second tooth bars is fastened on the described fixed head.
Preferably, described the first and second tooth bars along left and right directions over against.Thereby the lifting that further guarantees top cover is steady.
According to embodiment more of the present utility model, be formed with sliding tray in the sidewall of described top cover, the top of described casing is provided with the slide plate that slidably cooperates with described sliding tray.
Further, described top cover comprises upper plate, rear plate and underframe, and described upper plate is inverted U-shaped, and described underframe is located at the openend of described upper plate, and described rear plate is located at the back of described upper plate, is equipped with described sliding tray in the two side of described upper plate and the described rear wall.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
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:
Schematic perspective view when Fig. 1 and Fig. 2 are positioned at different angles for the air-conditioner according to the utility model embodiment;
Fig. 3 is the enlarged diagram of A part among Fig. 2;
Fig. 4 is the exploded perspective view according to the air-conditioner of the utility model embodiment; With
Fig. 5 is the schematic diagram according to the top cover in the air-conditioner of the utility model embodiment.
Description of drawings:
Air-conditioner 100, casing 1, left plate 10, right plate 11, slide plate 12,
The first drive motors 5, the first motor shaft 50, the second drive motors 6, the second motor shaft 60,
The first gear 7, the second gear 8, the first guide rail 9, the second guide rail 15, the first support 16,
The second support 17, fixed head 18, the first fixed head 18a, the second fixed head 18b
The specific embodiment
The below describes embodiment of the present utility model 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 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, orientation or the position relationship of the indications such as term " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship; only be for convenience of description the utility model and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as restriction of the present utility model.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 present utility model, 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, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.In addition, in description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
Below with reference to a kind of air-conditioner 100 with top cover lowering or hoisting gear of Fig. 1-Fig. 5 description according to the utility model embodiment.
The air-conditioner with top cover lowering or hoisting gear 100 according to an embodiment of the utility model, such as Fig. 1-shown in Figure 4, comprise: casing 1, top cover 2, the first tooth bar 3, the second tooth bar 4, the first drive motors 5, the second drive motors 6, the first gear 7 and the second gear 8, wherein, be formed with the open-top of air channel (scheming not shown) and casing 1 in the casing 1, be formed with the air inlet (scheming not shown) that is communicated with the air channel on the casing 1.Top cover 2 can be located at the top of casing 1 up or down, is formed with the air outlet 20 that is communicated with the air channel on the top cover 2.The first tooth bar 3 links to each other with top cover 2 with the second tooth bar 4 and moves up and down to drive top cover 2.The first drive motors 5 and the second drive motors 6 are installed on the casing 1, the first motor shaft 50 of the first drive motors 5 is provided with the first tooth bar 3 and meshes to drive the first gear 7 that the first tooth bar 3 moves up and down, the second motor shaft 60 of the second drive motors 6 is provided with the second tooth bar 4 and meshes to drive the second gear 8 that the second tooth bar 4 moves up and down, and moves up and down so that the first drive motors 5 and the second drive motors 6 drive top cover 2.Preferably, the first tooth bar 3 and the second tooth bar 4 along left and right directions over against.
Be worth being understood that, the first tooth bar 3 can be one also can be a plurality of, the second tooth bar 4 can be one also can be a plurality of, accordingly, can be one with the first gear 7 of the first tooth bar 3 engagement and also can be a plurality ofly, can be one with the second gear 8 of the second tooth bar 4 engagements and also can be a plurality of.In example of the present utility model, the first tooth bar 3, the second tooth bar 4, the first gear 7 and the second gear 8 are one.
Wherein, also be provided with evaporimeter etc. in the casing 1 of air-conditioner 100 the air that enters it is carried out heat exchange, known by those of ordinary skill in the art, just be not described in detail here.Air enters in the air channel from the air inlet on the casing 1, and air carries out in casing 1 that the air outlet 20 from top cover 2 blows out after the heat exchange.
The first drive motors 5 drives the first gear 7 and rotates, and the first gear 7 and the first tooth bar 3 mesh to drive the first tooth bar 3 and move up and down, and the second drive motors 6 drives the second gear 8 and rotates, and the second gear 8 and the second tooth bar 4 mesh to drive the second tooth bar 4 and move up and down.Top cover 2 moves up and down thereby the upper end of the first tooth bar 3 and the second tooth bar 4 links to each other driving with top cover 2.Wherein, the first drive motors 5 can link to each other with control system with the second drive motors 6, to realize moving up and down of automation control top cover 2.
The air-conditioner with top cover lowering or hoisting gear 100 according to the utility model embodiment, the first drive motors 5 and the second drive motors 6 drive respectively the first gear 7 and the second gear 8 rotates, the first gear 7 and the first tooth bar 3 mesh to drive the first tooth bar 3 and move up and down, the second gear 8 and the second tooth bar 4 mesh to drive the second tooth bar 4 and move up and down, and the first tooth bar 3 links to each other with top cover 2 with the second tooth bar 4 and moves up and down to drive top cover 2, control moving up and down of top cover 2 by the engagement fit of rack-and-pinion thus, thereby so that top cover 2 liftings are steady, and this air-conditioner 100 is simple in structure.
In embodiment more of the present utility model, air-conditioner 100 comprises that further the first guide rail 9 and the second guide rail 15, the first guide rails 9 and the second guide rail 15 are located on the sidewall of casing 1 and cooperate to guide respectively moving up and down of the first tooth bar 3 and the second tooth bar 4 with the first tooth bar 3 and the second tooth bar 4.In other words, the first guide rail 9 cooperates to guide moving up and down of the first tooth bar 3 with the first tooth bar 3, and the second guide rail 15 cooperates to guide moving up and down of the second tooth bar 4 with the second tooth bar 4.Thereby by being provided with the first guide rail 9 and the second guide rail 15, not only be convenient to the up and down traveling priority that the first tooth bar 3 and the second tooth bar 4 are located on the casing 1 and have guaranteed the first tooth bar 3 and the second tooth bar 4, and reduced the mobile friction of the first tooth bar 3 and the second tooth bar 4.
Further, air-conditioner 100 comprises that further the first support 16 and the second support 17, the first supports 16 and the second support 17 are located at respectively on the sidewall of casing 1, and the first guide rail 9 and the second guide rail 15 are located at respectively on the first support 16 and the second support 17.Thereby be convenient to the first guide rail 9 and the second guide rail 15 is located on the casing 1.
At this moment, at first the first tooth bar 3 is assembled in the first guide rail 9, the second tooth bar 4 is assembled in the second guide rail 15, then the first guide rail 9 is located on the first support 16, the second guide rail 15 is located on the second support 17, at last the first support 16 and the second support 17 are located on the sidewall of casing 1, thereby make things convenient for air-conditioner 100 installation and removal.
In the example of Fig. 1-Fig. 4, the first drive motors 5 is located on the first support 16, and the second drive motors 6 is located on the second support 17.
According to embodiment more of the present utility model, casing 1 comprises: left plate 10, right plate 11, header board (scheming not shown), rear plate (scheming not shown) and base plate (scheming not shown), wherein, left plate 10 and right plate 11 are along the spaced apart setting of left and right directions and parallel to each other.The left and right sides of header board links to each other with the forward position of left plate 10 with right plate 11 respectively, and the left and right sides of rear plate links to each other with the rear edge of left plate 10 and right plate 11 respectively.Base plate links to each other with the bottom of left plate 10, right plate 11, front and rear panels.
In embodiment more of the present utility model, air-conditioner 100 further comprises fixed head 18, and fixed head 18 is located in the top cover 2, and the upper end of the first tooth bar 3 and the second tooth bar 4 is fastened on the fixed head 18.Thereby the upper end of being convenient to the first tooth bar 3 and the second tooth bar 4 is installed on the top cover 2.Alternatively, the first tooth bar 3 and the second tooth bar 4 can be fixed by screws on the fixed head 18.
Further, be formed with sliding tray (scheming not shown) in the sidewall of top cover 2, the top of casing 1 is provided with the slide plate 12 that slidably cooperates with sliding tray.
Particularly, as shown in Figure 5, top cover 2 comprises upper plate 21, rear plate 22 and underframe 23, and upper plate 21 is inverted U-shaped, and underframe 23 is located at the openend of upper plate 21, and rear plate 22 is located at the back of upper plate 21, is equipped with sliding tray in the two side of upper plate 21 and the rear wall.Thereby, so that air-conditioner 100 is simple in structure.
In the example of Fig. 5, fixed head 18 comprises the first fixed head 18a and the second fixed head 18b, the first fixed head 18a is located at the bottom of the left side wall of upper plate 21, the second fixed head 18b is located at the bottom of the right side wall of upper plate 21, the upper end of the first tooth bar 3 is fixed by screws on the first fixed head 18a, and the upper end of the second tooth bar 4 is fixed by screws on the second fixed head 18b.
Below with reference to Fig. 1-Fig. 5 assembling process according to the air-conditioner 100 of the utility model embodiment is described, the below take the first tooth bar 3 and the second tooth bar 4 be one and along left and right directions over against the sidewall that is arranged on casing 1 on as the example explanation.
At first, the first tooth bar 3 is assembled in the first guide rail 9, the second tooth bar 4 is assembled in the second guide rail 15, then, the first guide rail 9 is fixed on the first support 16, the second guide rail 15 is fixed on the second support 17.
Then the first gear 7 is assembled on the first motor shaft 50 of the first drive motors 5, the second gear 8 is assembled on the second motor shaft 60 of the second drive motors 6, then the first drive motors 5 is installed on the first support 16 and so that the first gear 7 and 3 engagements of the first tooth bar, the second drive motors 6 is installed on the second support 17 and so that the second gear 8 and the second tooth bar 4 mesh.
Then the first support 16 is fixed on the left plate 10, the second support 17 is fixed on the right plate 11.Upper end with the first tooth bar 3 is fixed on the first fixed head 18a at last, the upper end of the second tooth bar 4 is fixed on the second fixed head 18b, and so that the slide plate 12 of casing 1 cooperate with the sliding tray of top cover 2.
During air-conditioner 100 operation, the first drive motors 5 drives the first gear 7 and rotates, the first gear 7 and the first tooth bar 3 mesh to drive the first tooth bar 3 and move up and down, the second drive motors 6 drives the second gear 8 and rotates, the second gear 8 and the second tooth bar 4 mesh to drive the second tooth bar 4 and move up and down, and the first tooth bar 3 and the second tooth bar 4 drive top cover 2 and move up and down.
According to the air-conditioner 100 of the utility model embodiment, top cover 2 liftings are stable, and air-conditioner 100 is simple in structure, and are easy for installation.
Other configuration examples according to the air-conditioner of the utility model embodiment all are known such as control system and heat-exchange system etc. and operation for those of ordinary skills, are not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model 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 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 in 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 (8)
1. the air-conditioner with top cover lowering or hoisting gear is characterized in that, comprising:
Casing is formed with the open-top of air channel and described casing in the described casing, be formed with the air inlet that is communicated with described air channel at described casing;
Top cover, described top cover can be located at the top of described casing up or down, is formed with the air outlet that is communicated with described air channel on the described top cover;
The first and second tooth bars, described the first and second tooth bars link to each other with described top cover; And
The first and second drive motors, described the first and second drive motors are installed on the described casing, the first motor shaft of described the first drive motors is provided with described the first tooth bar and meshes to drive the first gear that described the first tooth bar moves up and down, the second motor shaft of described the second drive motors is provided with described the second tooth bar and meshes to drive the second gear that described the second tooth bar moves up and down, and moves up and down so that described the first and second drive motors drive described top cover.
2. the air-conditioner with top cover lowering or hoisting gear according to claim 1, it is characterized in that, further comprise the first and second guide rails, described the first and second guide rails are located on the sidewall of described casing and cooperate to guide moving up and down of described the first and second tooth bars with described the first and second tooth bars respectively.
3. the air-conditioner with top cover lowering or hoisting gear according to claim 2, it is characterized in that, further comprise the first and second supports, described the first and second supports are located at respectively on the sidewall of described casing, and described the first and second guide rails are located at respectively on described the first and second supports.
4. the air-conditioner with top cover lowering or hoisting gear according to claim 1 is characterized in that, described casing comprises:
Left plate and right plate, described left plate and described right plate are along the spaced apart setting of left and right directions and parallel to each other;
Front and rear panels, the left and right sides of described header board link to each other with the forward position of described left plate and right plate respectively, and the left and right sides of described rear plate links to each other with the rear edge of described left plate and right plate respectively; With
Base plate, described base plate links to each other with the bottom of described left plate, described right plate, described header board and described rear plate.
5. the air-conditioner with top cover lowering or hoisting gear according to claim 1 is characterized in that, further comprises fixed head, and described fixed head is located in the described top cover, and the upper end of described the first and second tooth bars is fastened on the described fixed head.
6. the air-conditioner with top cover lowering or hoisting gear according to claim 1 is characterized in that, described the first and second tooth bars along left and right directions over against.
7. each described air-conditioner with top cover lowering or hoisting gear is characterized in that according to claim 1-6, and be formed with sliding tray in the sidewall of described top cover, the top of described casing is provided with the slide plate that slidably cooperates with described sliding tray.
8. the air-conditioner with top cover lowering or hoisting gear according to claim 7, it is characterized in that, described top cover comprises upper plate, rear plate and underframe, described upper plate is inverted U-shaped, described underframe is located at the openend of described upper plate, described rear plate is located at the back of described upper plate, is equipped with described sliding tray in the two side of described upper plate and the described rear wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540486 CN202885211U (en) | 2012-10-19 | 2012-10-19 | Air conditioner provided with top cover lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220540486 CN202885211U (en) | 2012-10-19 | 2012-10-19 | Air conditioner provided with top cover lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885211U true CN202885211U (en) | 2013-04-17 |
Family
ID=48076635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220540486 Expired - Lifetime CN202885211U (en) | 2012-10-19 | 2012-10-19 | Air conditioner provided with top cover lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885211U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776147A (en) * | 2012-10-19 | 2014-05-07 | 美的集团股份有限公司 | Air conditioner with top cover lifting device |
| CN105352157A (en) * | 2015-12-01 | 2016-02-24 | 珠海格力电器股份有限公司 | Air outlet device and air conditioner with same |
| CN105485772A (en) * | 2016-01-12 | 2016-04-13 | 广东美的制冷设备有限公司 | Air conditioner ceiling unit |
-
2012
- 2012-10-19 CN CN 201220540486 patent/CN202885211U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103776147A (en) * | 2012-10-19 | 2014-05-07 | 美的集团股份有限公司 | Air conditioner with top cover lifting device |
| CN103776147B (en) * | 2012-10-19 | 2019-01-22 | 美的集团股份有限公司 | Air conditioner with top cover lifting device |
| CN105352157A (en) * | 2015-12-01 | 2016-02-24 | 珠海格力电器股份有限公司 | Air outlet device and air conditioner with same |
| CN105352157B (en) * | 2015-12-01 | 2018-08-07 | 珠海格力电器股份有限公司 | Exhaust apparatus and air conditioner with it |
| CN105485772A (en) * | 2016-01-12 | 2016-04-13 | 广东美的制冷设备有限公司 | Air conditioner ceiling unit |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131202 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: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: GD MIDEA HOLDING CD., Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
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| CX01 | Expiry of patent term |