CN203443463U - Micro-channel heat exchanger and partition board thereof - Google Patents
Micro-channel heat exchanger and partition board thereof Download PDFInfo
- Publication number
- CN203443463U CN203443463U CN201320524892.6U CN201320524892U CN203443463U CN 203443463 U CN203443463 U CN 203443463U CN 201320524892 U CN201320524892 U CN 201320524892U CN 203443463 U CN203443463 U CN 203443463U
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- Prior art keywords
- collector tube
- dividing plate
- flat board
- micro
- heat exchanger
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Abstract
The utility model provides a micro-channel heat exchanger and a partition board thereof. The partition board of the micro-channel heat exchanger is used for sealing a runner of a liquid connecting pipe of the micro-channel heat exchanger. The partition board of the micro-channel heat exchanger comprises a first panel and a second panel, wherein the end portion of the first panel is rotatably connected with the end portion of the second panel. The first panel and the second panel are provided with bosses which are used for abutting against the inner wall of the liquid connecting pipe to limit the separation of the partition board and the liquid collecting pipe. The bosses are arranged on the side, far away from the second panel, of the first panel and the side, far away from the first panel, of the second panel. According to the partition board of the micro-channel heat exchanger, the partition board can be fixedly connected with the liquid collecting pipe in the manner that the bosses are connected with the inner wall of the liquid collecting pipe in a clamping mode, and compared with the method that the partition board is fixed in a riveting mode in the prior art, the partition board of the micro-channel heat exchanger has the advantages that the partition board can be directly inserted into the liquid collecting pipe without riveting, the installation of the partition board is convenient, the installing efficiency of the partition board is improved, and therefore the production efficiency of the whole micro-channel heat exchanger is improved.
Description
Technical field
The utility model relates to micro-channel heat exchanger dividing technology field, more particularly, relates to a kind of micro-channel heat exchanger and dividing plate thereof.
Background technology
The advantages such as micro-channel heat exchanger is energy-conservation owing to having, heat exchange property is outstanding, are widely used gradually.At present, micro-channel heat exchanger mainly adopts pipe as header, and dividing plate is set in header, and the runner of micro-channel heat exchanger is separated into several flow processs, and realization is dammed, and then realizes shunting.Conventionally adopt flat dividing plate (dividing plate is one flat plate), dividing plate is arranged on the mounting groove in header, by riveting method, dividing plate is fixed on header.
But, adopt the mode stationary barrier of riveting, make the installation effectiveness of dividing plate lower, cause the production efficiency of whole micro-channel heat exchanger lower.
In addition, in the riveted joint process of stationary barrier, need to apply external force to collector tube, header has been produced to irreversible distortion, more easily make the inwall of dividing plate and header produce gap, installation reliability is poor, cannot reach the effect of damming of design.
In sum, how dividing plate being installed, to improve its installation effectiveness, and then being improved the production efficiency of whole micro-channel heat exchanger, is current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of dividing plate of micro-channel heat exchanger, to improve its installation effectiveness, and then improves the production efficiency of whole micro-channel heat exchanger.Another object of the present utility model is to provide a kind of micro-channel heat exchanger.
To achieve these goals, the utility model provides following technical scheme:
A dividing plate for micro-channel heat exchanger, for sealing the runner of the collector tube of described micro-channel heat exchanger, this dividing plate comprises:
First dull and stereotyped and the second flat board that end is rotatedly connected; Described the first flat board is provided with for offseting to limit the described dividing plate boss separated with described collector tube with described collector tube inwall with described the second flat board, described boss be arranged on described the first flat board away from a side of described the second flat board and described the second flat board the side away from described the first flat board.
Preferably, in aforementioned barriers, described the first flat board comprises the first connected inner panel and the first outside plate, and described the second flat board comprises the second connected inner panel and the second outside plate;
Wherein, described the first outside plate tilts to the direction away from described the second flat board, and described the second outside plate tilts to the direction away from described the first flat board; Described boss is positioned on described the first outside plate and described the second outside plate.
Preferably, in aforementioned barriers, described the first inner panel, described the first outside plate, described the second inner panel and described the second outside plate are semicircular plate.
Preferably, in aforementioned barriers, the diameter of described the first inner panel is identical with the internal diameter of described collector tube, and the diameter of described the first outside plate is identical with the external diameter of described collector tube.
Preferably, in aforementioned barriers, the diameter of the diameter of described the first inner panel and described the second inner panel is all identical with the internal diameter of described collector tube, and the diameter of the diameter of described the first outside plate and described the second outside plate is all identical with the external diameter of described collector tube.
Preferably, in aforementioned barriers, along the direction of insertion of described dividing plate, the thickness of described boss reduces gradually.
Preferably, in aforementioned barriers, the end face of described boss is triangular in shape, square or fan-shaped.
Preferably, in aforementioned barriers, described first dull and stereotyped and described the second flat board is integral type plate, and described the first flat board and described the second flat board are rotatedly connected by folding line.
Dividing plate based on the above-mentioned micro-channel heat exchanger providing, the utility model also provides a kind of micro-channel heat exchanger, and this micro-channel heat exchanger comprises: collector tube, is arranged in described collector tube and seals the dividing plate of the runner of described collector tube; Wherein, described dividing plate is the dividing plate of the micro-channel heat exchanger described in above-mentioned any one.
The installation method of the dividing plate of the micro-channel heat exchanger that the utility model provides is: rotate first dull and stereotyped or the second flat board, make to have certain angle between the first flat board and the second flat board; First dull and stereotyped and the second flat board is applied to active force, by the mounting groove of first dull and stereotyped and the second flat board insertion collector tube and offset with the inwall of collector tube; Then withdraw the active force to the first flat board and the second flat board, make first dull and stereotyped and the second dull and stereotyped reply, until the first mounting groove dull and stereotyped and the second flat board and collector tube offsets, the inwall of boss and collector tube offsets, restriction dividing plate is separated with collector tube, thereby dividing plate can not be pulled out in collector tube, realized the fixing of dividing plate and collector tube.
The dividing plate of the micro-channel heat exchanger that the utility model provides, by the clamping of boss and collector tube inwall, realized being fixedly connected with of this dividing plate and collector tube, adopt riveting method stationary barrier to compare with prior art, without riveted joint, directly dividing plate is inserted to collector tube, obviously, facilitate the installation of dividing plate, improved the installation effectiveness of dividing plate, and then improved the production efficiency of whole micro-channel heat exchanger.
Simultaneously, the dividing plate of the micro-channel heat exchanger that the utility model provides, by the clamping of boss and collector tube inwall, realized being fixedly connected with of this dividing plate and collector tube, without collector tube is applied to external force, can not produce irreversible distortion to collector tube, can effectively guarantee being tightly connected of dividing plate and collector tube, reliability is higher, can effectively guarantee to dam; Meanwhile, by boss and the clamping of collector tube inwall, the uniformity that dividing plate is installed is higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the dividing plate of the micro-channel heat exchanger that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the left view of Fig. 1;
The expansion schematic diagram of the dividing plate of the micro-channel heat exchanger that Fig. 3 provides for the utility model embodiment;
The dividing plate of micro-channel heat exchanger and the scheme of installation of collector tube that Fig. 4 provides for the utility model embodiment;
The dividing plate of micro-channel heat exchanger and the assembling schematic diagram of collector tube that Fig. 5 provides for the utility model embodiment.
In upper Fig. 1-5:
1 is that the first flat board, 11 is that the first inner panel, 12 is that the first outside plate, 2 is that the second flat board, 21 is that the second inner panel, 22 is that the second outside plate, 3 is that boss, 4 is that collector tube, 41 is mounting groove.
The specific embodiment
The utility model embodiment provides a kind of dividing plate of micro-channel heat exchanger, has improved its installation effectiveness, and then has improved the production efficiency of whole micro-channel heat exchanger.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The dividing plate of the micro-channel heat exchanger that the utility model embodiment provides, for sealing the runner of the collector tube 4 of micro-channel heat exchanger, this dividing plate comprises: first dull and stereotyped the 1 and second flat board 2 that end is rotatedly connected; The first flat board 1 is provided with for offseting to limit this dividing plate boss separated with collector tube 43 with collector tube 4 inwalls with the second flat board 2, this boss 3 be arranged on the first flat board 1 away from a side of the second flat board 2 and the second flat board 2 side away from the first flat board 1.
It should be noted that, the runner of dividing plate sealing collector tube 4, refers to that dividing plate is positioned at the middle part of collector tube 4 (removing the position at the two ends of collector tube 4) and is tightly connected with collector tube 4.First dull and stereotyped the 1 and second flat board 2 that end is rotatedly connected, refers to that one end of the first flat board 1 and one end of the second flat board 2 are rotatedly connected.
The installation method of the dividing plate of the micro-channel heat exchanger that the utility model embodiment provides is: rotate first dull and stereotyped the 1 or second flat board 2, make to have certain angle between first dull and stereotyped the 1 and second flat board 2; First dull and stereotyped the 1 and second flat board 2 is applied to active force, by first dull and stereotyped 1 and second dull and stereotyped 2, insert in the mounting groove 41 of collector tubes 4 and offset with the inwall of collector tube 4; Then withdraw the active force to first dull and stereotyped the 1 and second flat board 2, make first dull and stereotyped 1 and second dull and stereotyped 2 to reply, until first dull and stereotyped the 1 and second flat board 2 offsets with the mounting groove 41 of collector tube 4, boss 3 offsets with the inwall of collector tube 4, restriction dividing plate is separated with collector tube 4, thereby dividing plate can not be pulled out in collector tube 4, realized the fixing of dividing plate and collector tube 4.Dividing plate inserts collector tube 4, can select nipper plier to clamp first dull and stereotyped the 1 and second flat board 2, and dividing plate is inserted to collector tube 4.
The dividing plate of the micro-channel heat exchanger that the utility model embodiment provides, clamping by boss 3 with collector tube 4 inwalls, realized being fixedly connected with of this dividing plate and collector tube 4, adopt riveting method stationary barrier to compare with prior art, without riveted joint, directly dividing plate is inserted in the mounting groove 41 of collector tube 4, obviously, facilitate the installation of dividing plate, improved the installation effectiveness of dividing plate, and then improved the production efficiency of whole micro-channel heat exchanger.
Simultaneously, the dividing plate of the micro-channel heat exchanger that the utility model embodiment provides, clamping by boss 3 with collector tube 4 inwalls, realized being fixedly connected with of this dividing plate and collector tube 4, without collector tube 4 is applied to external force, can not produce irreversible distortion to collector tube 4 and dividing plate, can effectively guarantee being tightly connected of dividing plate and collector tube 4, reliability is higher, can effectively guarantee to dam; Meanwhile, the inwall clamping by boss 3 with collector tube 4, the uniformity that dividing plate is installed is higher.
The dividing plate of the micro-channel heat exchanger that above-described embodiment provides, the runner of the collector tube 4 of sealing micro-channel heat exchanger, can select first dull and stereotyped the 1 and second flat board 2 all to seal the runner of collector tube 4, concrete, first dull and stereotyped 1 is connected with the inner wall sealing of collector tube 4 with a part for the second flat board 2, and the notch of first dull and stereotyped another part of the 1 and second flat board 2 and the mounting groove 41 of collector tube 4 is tightly connected; Or select first dull and stereotyped the 1 and second dull and stereotyped 2 actings in conjunction, realize the runner of sealing collector tube 4, concrete, the first dull and stereotyped 1(or the second flat board 2) a part be connected with the inner wall sealing of collector tube 4, the second dull and stereotyped 2(or the first flat board 1) another part and the notch of the mounting groove 41 of collector tube 4 be tightly connected; Or the runner of selecting the first dull and stereotyped 1 sealing collector tube 4, concrete, a part for the first flat board 1 is connected with the inner wall sealing of collector tube 4, and the notch of the mounting groove 41 of another part of the first flat board 1 and collector tube 4 is tightly connected; Or the runner of selecting the second dull and stereotyped 2 sealing collector tubes 4, concrete, a part for the second flat board 2 is connected with the inner wall sealing of collector tube 4, and the notch of the mounting groove 41 of another part of the second flat board 2 and collector tube 4 is tightly connected.
Preferably, in the dividing plate of the micro-channel heat exchanger that above-described embodiment provides, the first flat board 1 comprises that the first connected inner panel 11 and the first outside plate 12, the second flat boards 2 comprise the second connected inner panel 21 and the second outside plate 22; Wherein, the first outside plate 12 tilts to the direction away from the second flat board 2, and the second outside plate 22 tilts to the direction away from the first flat board 1; Boss 3 is positioned on the first outside plate 12 and the second outside plate 22.Like this, make the first outside plate 12 and the second outside plate 22 there is certain elasticity, be convenient to realize the runner of this dividing plate sealing collector tube 4, and the installation of being convenient to this dividing plate; Meanwhile, can effectively strengthen like this bonding strength of dividing plate and collector tube 4, further strengthen the reliability that dividing plate is installed.Particularly, rotate first dull and stereotyped the 1 or second flat board 2, make the first inner panel 11 and the second inner panel 21 laminatings, now, between the first outside plate 12 and the second outside plate 22, there is gap; The first outside plate 12 and the second outside plate 22 are applied to active force, this dividing plate is inserted in the mounting groove 41 of collector tube 4; Then withdraw active force, the first outside plate 12 and the second outside plate 22 are replied, until the first outside plate 12 and the second outside plate 22 offset with the mounting groove 41 of collector tube 4, boss 3 offsets with the inwall of collector tube 4, restriction dividing plate is separated with collector tube 4, thereby dividing plate can not be pulled out in collector tube 4, realized the fixing of dividing plate and collector tube 4.
Conventionally, the collector tube 4 of micro-channel heat exchanger is round tube, and for the ease of the runner of sealing collector tube 4, in the dividing plate of the micro-channel heat exchanger that above-described embodiment provides, the first inner panel 11, the first outside plate 12, the second inner panel 21 and the second outside plate 22 are semicircular plate.Certainly, collector tube 4 also can be other shapes, in actual application, need to design according to the shape of collector tube 4 shape of the first inner panel 11, the first outside plate 12, the second inner panel 21 and the second outside plate 22, the utility model embodiment does not do this particularly and limits.
In the dividing plate of the micro-channel heat exchanger that above-described embodiment provides, because dividing plate need to seal the runner of collector tube 4, can select the runner of the first dull and stereotyped 1 sealing collector tube 4, concrete, the diameter of the first inner panel 11 is identical with the internal diameter of collector tube 4, and the diameter of the first outside plate 12 is identical with the external diameter of collector tube 4; Or the runner of selecting the second dull and stereotyped 2 sealing collector tubes 4, concrete, the diameter of the second inner panel 21 is identical with the internal diameter of collector tube 4, and the diameter of the second outside plate 22 is all identical with the external diameter of collector tube 4; Or select first dull and stereotyped the 1 and second dull and stereotyped 2 actings in conjunction, realize the runner of sealing collector tube 4, concrete, the diameter of the first inner panel 11 (diameter of the second inner panel 21) is identical with the internal diameter of collector tube 4, and the diameter of the second outside plate 22 (diameter of the first outside plate 12) is identical with the external diameter of collector tube 4; Or select first dull and stereotyped the 1 and second flat board 2 all to seal the runner of collector tube 4, concrete, the diameter of the diameter of the first inner panel 11 and the second inner panel 21 is all identical with the internal diameter of collector tube 4, and the diameter of the diameter of the first outside plate 12 and the second outside plate 22 is all identical with the external diameter of collector tube 4.In order effectively to guarantee the sealing of dividing plate to the runner of collector tube 4, preferentially select the diameter of the first inner panel 11 and the diameter of the second inner panel 21 all identical with the internal diameter of collector tube 4, the diameter of the diameter of the first outside plate 12 and the second outside plate 22 is all identical with the external diameter of collector tube 4.
For the ease of dividing plate, insert in collector tube 4, in the dividing plate of the micro-channel heat exchanger that above-described embodiment provides, along the direction of insertion of this dividing plate, the thickness of boss 3 reduces gradually.Wherein, the direction of insertion of dividing plate refers to that dividing plate inserts the direction of collector tube 4; The thickness direction of boss 3 refers to perpendicular to the first dull and stereotyped 1(or the second flat board 2) direction; When boss 3 is arranged on the first outside plate 12 and the second outside plate 22, the thickness direction of boss 3 refers to perpendicular to the first outside plate 12 directions, and perpendicular to the direction of the second outside plate 22.Like this, when first dull and stereotyped the 1 and second flat board 2 is applied to active force, be convenient to dividing plate and insert collector tube 4.Certainly, along the direction of insertion of dividing plate, the thickness of boss 3 also can be definite value, and the utility model embodiment does not do this particularly and limits.
Preferably, in the dividing plate of the micro-channel heat exchanger that above-described embodiment provides, the end face of boss 3 is triangular in shape, square or fan-shaped.Wherein, the end face of boss 3 refers to that boss 3 is away from the side of the first flat board 1, and boss 3 is away from the side of the second flat board 2.Certainly, the end face of boss 3 also can be other shapes, and the utility model embodiment does not do this particularly and to limit, as long as can realize boss 3 and the inwall of collector tube 4, to offset to limit dividing plate separated with collector tube 4.
The dividing plate of the micro-channel heat exchanger that above-described embodiment provides, the thickness of the thickness of the first flat board 1 and the second flat board 2 can be set according to the strength of materials, to guarantee the assembling of dividing plate and collector tube 4.First dull and stereotyped the 1 and second flat board 2 is rotatedly connected, and has multiple implementation, in order effectively to guarantee the effect of damming of dividing plate, preferentially selects, and first dull and stereotyped 1 and second dull and stereotyped 2 is integral type plate, and first dull and stereotyped the 1 and second flat board 2 is rotatedly connected by folding line.The length of folding line, need to set according to the actual requirements, and the utility model embodiment does not do this particularly and limits.
The dividing plate of the micro-channel heat exchanger providing based on above-described embodiment, the utility model embodiment also provides a kind of micro-channel heat exchanger, and this micro-channel heat exchanger comprises: collector tube 4, is arranged in collector tube 4 and the dividing plate of the runner of sealing collector tube 4; Wherein, dividing plate is the dividing plate of the micro-channel heat exchanger described in above-described embodiment.
The dividing plate of the micro-channel heat exchanger providing due to above-described embodiment has above-mentioned technique effect, the micro-channel heat exchanger that the utility model embodiment provides has the dividing plate of above-mentioned micro-channel heat exchanger, the micro-channel heat exchanger that the utility model embodiment provides also has corresponding technique effect, repeats no more herein.
In the micro-channel heat exchanger that above-described embodiment provides, a dividing plate can be set on collector tube 4, also two or more dividing plates can be set, heat transfer effect is according to actual needs set, and the utility model embodiment does not do particularly and limits the number of dividing plate.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a dividing plate for micro-channel heat exchanger, for sealing the runner of the collector tube (4) of described micro-channel heat exchanger, is characterized in that, comprising:
The first flat board (1) that end is rotatedly connected and the second flat board (2); Described the first flat board (1) is provided with for offseting to limit the described dividing plate boss (3) separated with described collector tube (4) with described collector tube (4) inwall with described the second flat board (2), described boss (3) be arranged on described the first flat board (1) away from a side of described the second flat board (2) and described the second flat board (2) side away from described the first flat board (1).
2. dividing plate as claimed in claim 1, is characterized in that, described the first flat board (1) comprises connected the first inner panel (11) and the first outside plate (12), and described the second flat board (2) comprises connected the second inner panel (21) and the second outside plate (22);
Wherein, described the first outside plate (12) tilts to the direction away from described the second flat board (2), and described the second outside plate (22) tilts to the direction away from described the first flat board (1); Described boss (3) is positioned on described the first outside plate (12) and described the second outside plate (22).
3. dividing plate as claimed in claim 2, is characterized in that, described the first inner panel (11), described the first outside plate (12), described the second inner panel (21) and described the second outside plate (22) are semicircular plate.
4. dividing plate as claimed in claim 3, is characterized in that, the diameter of described the first inner panel (11) is identical with the internal diameter of described collector tube (4), and the diameter of described the first outside plate (12) is identical with the external diameter of described collector tube (4).
5. dividing plate as claimed in claim 3, it is characterized in that, the diameter of the diameter of described the first inner panel (11) and described the second inner panel (21) is all identical with the internal diameter of described collector tube (4), and the diameter of the diameter of described the first outside plate (12) and described the second outside plate (22) is all identical with the external diameter of described collector tube (4).
6. dividing plate as claimed in claim 1, is characterized in that, along the direction of insertion of described dividing plate, the thickness of described boss (3) reduces gradually.
7. dividing plate as claimed in claim 1, is characterized in that, the end face of described boss (3) is triangular in shape, square or fan-shaped.
8. the dividing plate as described in any one in claim 1-7, is characterized in that, described the first flat board (1) and described the second flat board (2) are integral type plate, and described the first flat board (1) and described the second flat board (2) are rotatedly connected by folding line.
9. a micro-channel heat exchanger, comprising: collector tube (4), is arranged in described collector tube (4) and seals the dividing plate of the runner of described collector tube (4); It is characterized in that, described dividing plate is the dividing plate of the micro-channel heat exchanger as described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524892.6U CN203443463U (en) | 2013-08-23 | 2013-08-23 | Micro-channel heat exchanger and partition board thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524892.6U CN203443463U (en) | 2013-08-23 | 2013-08-23 | Micro-channel heat exchanger and partition board thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203443463U true CN203443463U (en) | 2014-02-19 |
Family
ID=50094502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524892.6U Withdrawn - After Issue CN203443463U (en) | 2013-08-23 | 2013-08-23 | Micro-channel heat exchanger and partition board thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203443463U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422331A (en) * | 2013-08-23 | 2015-03-18 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and partition plates thereof |
| CN106610247A (en) * | 2015-10-22 | 2017-05-03 | 苏州三星电子有限公司 | Micro-channel heat exchanger and separation plate connecting structure thereof |
-
2013
- 2013-08-23 CN CN201320524892.6U patent/CN203443463U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104422331A (en) * | 2013-08-23 | 2015-03-18 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and partition plates thereof |
| CN104422331B (en) * | 2013-08-23 | 2016-08-10 | 珠海格力电器股份有限公司 | Micro-channel heat exchanger and dividing plate thereof |
| CN106610247A (en) * | 2015-10-22 | 2017-05-03 | 苏州三星电子有限公司 | Micro-channel heat exchanger and separation plate connecting structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |