CN205123428U - Stator core construction package, motor, compressor and air conditioner - Google Patents
Stator core construction package, motor, compressor and air conditioner Download PDFInfo
- Publication number
- CN205123428U CN205123428U CN201520828606.4U CN201520828606U CN205123428U CN 205123428 U CN205123428 U CN 205123428U CN 201520828606 U CN201520828606 U CN 201520828606U CN 205123428 U CN205123428 U CN 205123428U
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- Prior art keywords
- inner core
- perimembranous
- stator core
- reinforcement
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- 238000010276 construction Methods 0.000 title claims abstract description 35
- 230000002787 reinforcement Effects 0.000 claims abstract description 58
- 239000000696 magnetic material Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims description 43
- 239000002131 composite material Substances 0.000 claims description 11
- 230000035699 permeability Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 10
- 230000006698 induction Effects 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 142
- 229920006395 saturated elastomer Polymers 0.000 description 7
- 229910000976 Electrical steel Inorganic materials 0.000 description 5
- 238000012512 characterization method Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model discloses a stator core construction package to and contain motor, compressor, the air conditioner of this stator core construction package. Wherein, the stator core construction package includes: the reinforcement that adopts inner core that soft -magnetic combined material made and adopt magnetic materials to make, inner core installation space has in the reinforcement, the inner core injectd in the inside of reinforcement. The utility model discloses a stator core includes inner core and reinforcement two parts, and wherein, the inner core adopts soft -magnetic combined material for stator core has high saturation magnetic induction intensity and low eddy current loss's advantage, have the reinforcement in the inner core extranal packing, the reinforcement adopts magnetic materials to make, can make stator core have higher structural strength, has overcome the poor defect of soft -magnetic combined material iron core structural strength among the prior art.
Description
Technical field
The utility model relates to technical field of motors, is specifically related to a kind of stator core construction assembly, and comprises motor, compressor, the air conditioner of this stator core construction assembly.
Background technology
Traditional motor stator core is adopt to laminate after punching silicon-steel shaping substantially, and because silicon steel sheet cost is higher, and motor stator core magnetic is close easily saturated, there is larger eddy current loss simultaneously.Visible, silicon steel sheet has not had performance, cost advantage as traditional motor stator core materials application.
Soft-magnetic composite material (softmagneticcompositematerial, SMC) for a kind of surface have inorganic insulation layer carbonyl iron powder material, motor stator core shape is can be made into after repressed and heat treatment, have the characteristic of high saturated magnetic induction and very low eddy current loss, the iron core application of silicon steel plate stacking has performance and cost advantage originally as an alternative.As shown in Figure 1, prior art discloses a kind of stator core construction, comprise stator core body 100 and stator core end 200, stator core end 200 is provided with two, be located at the two ends of stator core body 100 respectively, stator core body 100 is made up of the soft magnetic material with higher magnetic saturation intensity, such as, form with silicon steel sheet closed assembly; Stator core end 200 is all be made up of the soft magnetic material with higher electric resistivity and high permeability, such as soft-magnetic composite material.
But, the strength of materials of the iron core that this iron powder is compressing is limited, may occur limiting the situation that the poor structure division of partial intensities is loose this materials application on motor, limit the application of this material motor in compressor industry further under the conditions such as long-time shock, vibration.
Summary of the invention
An object of the present utility model is to provide a kind of stator core construction assembly, has the advantage that structural strength is high.
Another object of the present utility model is to provide a kind of stator core construction assembly, has the advantage of high saturated magnetic induction and low eddy current loss.
For reaching this object, the utility model by the following technical solutions:
On the one hand, a kind of stator core construction assembly is provided to comprise: the inner core adopting soft-magnetic composite material to make and the reinforcement adopting permeability magnetic material to make, have inner core installing space in described reinforcement, described inner core is defined to the inside of described reinforcement.
Preferably, described reinforcement at least comprises the resettlement section that a perimembranous and closed is positioned at described perimembranous one end, and form inner core installing space in closed described perimembranous, described inner core is defined in described perimembranous by described resettlement section.
On the other hand, additionally provide a kind of motor, comprise described stator core construction assembly, armature winding, rotor and the rotor magnetic steel be wound on described stator core construction assembly.
Again on the one hand, additionally provide a kind of compressor, comprise described motor.
Another aspect, additionally provides a kind of air conditioner, comprises described compressor.
The beneficial effects of the utility model are: stator core of the present utility model comprises inner core and reinforcement two parts, and wherein, inner core adopts soft-magnetic composite material, makes stator core have the advantage of high saturated magnetic induction and low eddy current loss; In inner core outsourcing, reinforcement is housed, reinforcement adopts permeability magnetic material to make, and stator core can be made to have higher structural strength, overcome the defect of soft-magnetic composite material core structure intensity difference in prior art.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of stator core disclosed in prior art;
Fig. 2 is the structural representation of the inner core that an embodiment of the present utility model provides;
Fig. 3 is the structural representation of the inner core that another embodiment of the present utility model provides;
Fig. 4 is the structural representation of the reinforcement that an embodiment of the present utility model provides;
Fig. 5 is the structural representation of the stator core construction assembly that an embodiment of the present utility model provides;
Fig. 6 is the structural representation of the reinforcement that another embodiment of the present utility model provides;
Fig. 7 is the structural representation of the reinforcement that another embodiment of the present utility model provides;
Fig. 8 is the structural representation of the stator core construction assembly that the utility model one embodiment provides;
Fig. 9 is the structural representation of the stator core construction assembly that another embodiment of the utility model provides.
In Fig. 1:
100, iron core body; 200, stator core end;
In Fig. 2:
1, inner core; 11, body; 111, groove; 12, winding section; 121, winding section body; 122, limiting section;
In Fig. 3:
2, inner core; 21, body; 22, winding section; 221, winding section body; 222, limiting section;
In Fig. 4-5:
1, inner core; 3, reinforcement; 31, perimembranous; 32, resettlement section;
In Fig. 6:
4, reinforcement; 41, perimembranous; 42, bottom; 421, cable-through hole;
In Fig. 7-9:
1, inner core; 11, body; 12, winding section; 5, reinforcement; 51, perimembranous; 52, the first inner core limiting section; 53, the second inner core limiting section.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
In description of the present utility model, it will be appreciated that, term " orientation or the position relationship of the instruction such as " center ", " length ", " width ", " top ", " end ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", " second ", feature can express or impliedly comprise one or more these features.
In description of the present utility model, unless otherwise clearly defined and limited, term " is connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
The stator core construction assembly that the utility model provides comprises: the inner core adopting soft-magnetic composite material to make and the reinforcement adopting permeability magnetic material to make, have inner core installing space in described reinforcement, described inner core is defined to the inside of described reinforcement.
Stator core of the present utility model comprises inner core and reinforcement two parts, and wherein, inner core adopts soft-magnetic composite material, makes stator core have the advantage of high saturated magnetic induction and low eddy current loss; In inner core outsourcing, reinforcement is housed, reinforcement adopts permeability magnetic material to make, and stator core can be made to have higher structural strength, overcome the defect of soft-magnetic composite material core structure intensity difference in prior art.
The inner core of the stator core that the utility model embodiment provides comprises body and is located at the winding section on body.
The structural representation of the inner core of the stator core that Fig. 2 provides for an embodiment of the present utility model.As shown in Figure 2, the inner core 1 of the present embodiment comprises body 11 in hollow cylindrical and some uniform intervals and is located at winding section 12 inside body 11, wherein, winding section 12 is set to be extended towards center by the radial direction of the medial surface of body 11 along body 11, and axially extends to other end by an end face of body 11 along body 11.Arranged outside in body 11 has the groove 111 corresponding with winding section 12, and groove 111 is set to be caved inward by the lateral surface of body 11.
Winding section 12 comprises winding section body 121, one end of winding section body 121 connects the medial surface of body 11, the other end of winding section body 121 protrudes and is provided with limiting section 122, the installing space of winding is formed, in winding is defined to by the medial surface of limiting section 122, winding section body 121 and body 11.In the present embodiment, in the form of sheets, limiting section 122 is set to be extended respectively to the position near adjacent winding section 12, both sides by the end of winding section body 121 winding section body 121.
The structural representation of the inner core of the stator core that Fig. 3 provides for another embodiment of the present utility model.As shown in Figure 3, the inner core 2 of the present embodiment comprises body 21 in hollow cylindrical and some uniform intervals and is located at winding section 22 outside body 21, wherein, winding section 22 is set to be extended away from center by the radial direction of the lateral surface of body 21 along body 21, and axially extends to other end by an end face of body 21 along body 21.
Winding section 22 comprises winding section body 221, one end of winding section body 221 connects the lateral surface of body 21, the other end of winding section body 221 protrudes and is provided with limiting section 222, the installing space of winding is formed, in winding is defined to by the lateral surface of limiting section 222, winding section body 221 and body 21.In the present embodiment, in the form of sheets, limiting section 222 is set to be extended respectively to the position near adjacent winding section 22, both sides by the end of winding section body 221 winding section body 221.
It will be appreciated by persons skilled in the art that the inner core of stator core construction assembly of the present utility model can be made into other versions of iron core in prior art, include but not limited to the above-mentioned version described in two embodiments.
The reinforcement that embodiment of the present utility model provides at least comprises the resettlement section that a perimembranous and closed is positioned at described perimembranous one end, and form inner core installing space in this perimembranous closed, described inner core is defined in described perimembranous by described resettlement section.By design like this, inner core wraps up by reinforcement completely, and the structural strength of stator core entirety is strengthened, and can give full play to the inner core high saturated magnetic induction of soft magnetic material and the advantage of low eddy current loss.
Fig. 4 is the structural representation of the reinforcement that an embodiment of the present utility model provides.Fig. 5 is the structural representation of the stator core construction assembly that embodiment of the present utility model provides.As shown in Figure 4, the reinforcement 3 of the present embodiment comprises a perimembranous 31 closed, and is arranged at the resettlement section 32 at perimembranous 31 two ends.More specifically, perimembranous 31 is in hollow cylindrical, and its both ends open, described opening forms resettlement section 32.As shown in Figure 5, the stator core construction assembly of the present embodiment comprises reinforcement 3, and by inner core 1 that arbitrary resettlement section 32 of reinforcement 3 is loaded into.Reinforcement 3 and inner core 1 are all in hollow cylindrical, and the external diameter of inner core 1 and the internal diameter of reinforcement 3 match, and are adjacent to make the madial wall of the lateral wall of inner core 1 and reinforcement 3.
The reinforcement that embodiments more of the present utility model provide comprises a perimembranous, closed and is positioned at the resettlement section of described perimembranous one end, and the bottom that is positioned at the described perimembranous other end, and described bottom offers cable-through hole.Form trench structure by bottom and perimembranous, both can play effect inner core packaging strengthened, can prevent again inner core and reinforcement from departing from; Cable-through hole is set in bottom, can coiling be facilitated.
Fig. 6 is the structural representation of the reinforcement that another embodiment of the present utility model provides.As shown in Figure 6, the reinforcement 4 that the utility model embodiment provides comprises a perimembranous 41 closed, is arranged at the resettlement section (not shown) of perimembranous 41 one end, and be arranged at the bottom 42 of perimembranous 41 other end, be provided with cable-through hole 421 in bottom 42.More specifically, perimembranous 41 is in hollow cylindrical, its one end open forms resettlement section, the other end is provided with the guide vane end stop matched with the winding section of inner core, such as, the mating shapes of winding section 12 in the shape of guide vane end stop and Fig. 2 in Fig. 6, when inner core loads in reinforcement, winding section is positioned on described guide vane end stop.
The reinforcement that embodiments more of the present utility model provide comprises a perimembranous closed, be positioned at the resettlement section at described perimembranous two ends, and the first inner core limiting section be arranged in described perimembranous and the second inner core limiting section, wherein, first inner core limiting section be set to the inner side of described perimembranous separately, and by the resettlement section, one end of described perimembranous along the other end resettlement section axially extending to described perimembranous of described perimembranous, described second inner core limiting section is arranged at the resettlement section, one end of described perimembranous, in order to connect described first inner core limiting section and described perimembranous, described first inner core limiting section, described second inner core limiting section and described perimembranous form the inner core installing space mated with described core shape.
The utility model forms by the first inner core limiting section, the second inner core limiting section and perimembranous the trench structure mated with core shape, and inner core is installed in this trench structure by firm, realizes strengthening core arrangement.
Fig. 7 is the structural representation of the reinforcement that another embodiment of the present utility model provides.As shown in Figure 7, the reinforcement 5 that the present embodiment provides comprises a perimembranous 51 closed, be positioned at the resettlement section at perimembranous 51 two ends, and the first inner core limiting section 52 and the second inner core limiting section 53 be arranged in perimembranous 51, wherein, first inner core limiting section 52 be set to the inner side of perimembranous 51 separately, and axially extend to other end resettlement section by the resettlement section, one end of perimembranous 51 along perimembranous 51, second inner core limiting section 53 is arranged at the resettlement section, one end of perimembranous 51, in order to connect the first inner core limiting section 52 and perimembranous 51, first inner core limiting section 52, second inner core limiting section 53 and perimembranous 51 form the inner core installing space mated with described core shape, illustrated inner core installing space is consistent with the core shape that the embodiment shown in Fig. 2 provides, certainly, what those skilled in the art easily associated is, inner core installing space described in the utility model also can adopt and match with the core shape of other versions, such as, described inner core installing space can be consistent with the core shape that the embodiment shown in Fig. 3 provides.More specifically, reinforcement 5 can adopt permeability magnetic material to form the trench structure consistent with core shape by sheet metal process, this trench structure comprises two side and bottom, wherein, perimembranous 51 as one of sidewall, first inner core limiting section 52 is as another sidewall, and the second inner core limiting section 53 is as described bottom.
Fig. 8 is the structural representation of the stator core construction assembly that the utility model one embodiment provides.The stator core construction assembly that the present embodiment provides comprises inner core 1 and reinforcement 5, and wherein, inner core 1 comprises body 11 in hollow cylindrical and some uniform intervals and is located at winding section 12 inside body 11, and the winding section 12 of the present embodiment is nine.Reinforcement 5 comprises perimembranous 51 in hollow cylindrical, is positioned at the resettlement section at perimembranous 51 two ends, and the first inner core limiting section 52 be arranged in perimembranous 51 and the second inner core limiting section (the second inner core limiting section is arranged at the bottom of perimembranous, not shown), form the grooved inner core installing space with inner core 1 form fit by the first inner core limiting section 52, second inner core limiting section and perimembranous 51.During installation, reinforcement 5 is packed from one end of inner core 1, inner core 1 is contained in described inner core installing space.In the present embodiment, the degree of depth of described inner core installing space and the consistency of thickness of inner core 1, to make inner core 1 can sink to described inner core installing space, also do not expose simultaneously.
Fig. 9 is the structural representation of the stator core construction assembly that another embodiment of the utility model provides.Embodiment difference shown in the present embodiment and Fig. 8 is: the stator core construction assembly of the present embodiment comprises two reinforcements 5, packs respectively from the two ends of inner core 1 to it, in being contained in by inner core 1.In the present embodiment, the degree of depth sum of the inner core installing space of two reinforcements 5 and inner core 1 consistency of thickness, with this, two reinforcements 5 respectively by inner core 1 two ends can by its complete be contained in.
The inner core of stator core construction assembly of the present utility model adopts soft-magnetic composite material to make, and reinforcement adopts permeability magnetic material, such as, and magnetic stainless steel, magnetic conduction mild steel, magnetic conduction engineering pure iron, permeability alloys material etc.
The motor that embodiment still provides employing said stator core structure assembly of the present utility model, described motor also comprises rotor, rotor magnetic steel, and is wound in the armature winding on stator core construction assembly.Owing to have employed stator core construction assembly of the present utility model, achieve the object of high saturated magnetic induction, low eddy current loss, high structural strength, improve the performance of motor in power efficiency.In addition, the utility model additionally provides the compressor adopting above-mentioned motor, and adopt the air conditioner of described compressor, solve the stator iron core motor of prior art about soft-magnetic composite material is difficult to application problem at compressor, effectively improve the performance of existing compressor and air conditioner.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " example " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (10)
1. a stator core construction assembly, is characterized in that, comprising:
Inner core, adopts soft-magnetic composite material to make;
Reinforcement, adopts permeability magnetic material to make;
Have inner core installing space in described reinforcement, described inner core is defined to the inside of described reinforcement.
2. stator core construction assembly according to claim 1, it is characterized in that, described reinforcement at least comprises the resettlement section that a perimembranous and closed is positioned at described perimembranous one end, form inner core installing space in the described perimembranous closed, described inner core is defined in described perimembranous by described resettlement section.
3. stator core construction assembly according to claim 1 and 2, it is characterized in that, described reinforcement comprises a perimembranous, closed and is positioned at the resettlement section of described perimembranous one end, and the bottom that is positioned at the described perimembranous other end, and described bottom offers cable-through hole.
4. stator core construction assembly according to claim 1 and 2, is characterized in that, described reinforcement comprises a perimembranous closed, is positioned at the resettlement section at described perimembranous two ends, and the first inner core limiting section be arranged in described perimembranous and the second inner core limiting section;
Wherein, the first inner core limiting section be set to the inner side of described perimembranous separately, and by the resettlement section, one end of described perimembranous along the other end resettlement section axially extending to described perimembranous of described perimembranous;
Described second inner core limiting section is arranged at the resettlement section, one end of described perimembranous, in order to connect described first inner core limiting section and described perimembranous;
Described first inner core limiting section, described second inner core limiting section and described perimembranous form the inner core installing space mated with described core shape.
5. stator core construction assembly according to claim 1, is characterized in that, described reinforcement has two, in two described reinforcements are contained in by the two ends of described inner core respectively.
6. stator core construction assembly according to claim 1, is characterized in that, described inner core comprises body in hollow cylindrical and some uniform intervals and is located at winding section inside described body;
Wherein, described winding section is set to be extended towards center by the radial direction of the medial surface of described body along described body, and axially extends to other end by an end face of described body along described body.
7. stator core construction assembly according to claim 1, is characterized in that, described inner core comprises body in hollow cylindrical and some uniform intervals and is located at winding section outside described body;
Wherein, described winding section is set to be extended away from center by the radial direction of the lateral surface of described body along described body, and axially extends to other end by an end face of described body along described body.
8. a motor, comprises stator core, armature winding, rotor and the rotor magnetic steel be wound on described stator core, it is characterized in that, described stator core adopts the stator core construction assembly described in any one of claim 1 to 7.
9. a compressor, is characterized in that, comprises motor according to claim 8.
10. an air conditioner, is characterized in that, comprises compressor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828606.4U CN205123428U (en) | 2015-10-22 | 2015-10-22 | Stator core construction package, motor, compressor and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828606.4U CN205123428U (en) | 2015-10-22 | 2015-10-22 | Stator core construction package, motor, compressor and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123428U true CN205123428U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520828606.4U Expired - Fee Related CN205123428U (en) | 2015-10-22 | 2015-10-22 | Stator core construction package, motor, compressor and air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN205123428U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262247A (en) * | 2015-10-22 | 2016-01-20 | 珠海格力电器股份有限公司 | Stator core structural assembly, motor, compressor and air conditioner |
| CN112531927A (en) * | 2020-11-19 | 2021-03-19 | 深圳市颂辉科技开发有限公司 | Sandwich type motor composite magnetic conduction structure |
-
2015
- 2015-10-22 CN CN201520828606.4U patent/CN205123428U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262247A (en) * | 2015-10-22 | 2016-01-20 | 珠海格力电器股份有限公司 | Stator core structural assembly, motor, compressor and air conditioner |
| CN105262247B (en) * | 2015-10-22 | 2019-03-01 | 珠海格力电器股份有限公司 | Stator core construction component, motor, compressor and air conditioner |
| CN112531927A (en) * | 2020-11-19 | 2021-03-19 | 深圳市颂辉科技开发有限公司 | Sandwich type motor composite magnetic conduction structure |
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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: 20160330 |