CN107284126A - The permanent magnetic wheels of adjustable magnetic force - Google Patents
The permanent magnetic wheels of adjustable magnetic force Download PDFInfo
- Publication number
- CN107284126A CN107284126A CN201710447139.4A CN201710447139A CN107284126A CN 107284126 A CN107284126 A CN 107284126A CN 201710447139 A CN201710447139 A CN 201710447139A CN 107284126 A CN107284126 A CN 107284126A
- Authority
- CN
- China
- Prior art keywords
- wheel assembly
- magnetic
- permanent
- outer wheel
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
- B60B19/006—Magnetic wheels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of permanent magnetic wheels of adjustable magnetic force, including the circumferential position limiting structure of wheel assembly, an outer wheel assembly and one in one, the outer wheel assembly, which is rotationally arranged, to be fixed on outside the interior wheel assembly, and the circumferential position limiting structure is used for circumferentially spacing to the interior wheel assembly and the outer wheel assembly；The interior wheel assembly includes permanent magnet；The outer wheel assembly includes multiple first magnetic isolating segments and multiple permeable segments, circumferentially-spaced distribution of first magnetic isolating segment along the outer wheel assembly, permeable segments described in one are embedded between every two adjacent first magnetic isolating segments, and first magnetic isolating segment and the permeable segments cooperatively form an outer wheel body.A kind of permanent magnetic wheels of adjustable magnetic force of the present invention, can need to adjust permanent magnetic wheels magnetic force according to scene, have the advantages that convenient, the simple in construction and degree of safety of regulation is high.
Description
Technical field
The present invention relates to art of wheels, more particularly to a kind of permanent magnetic wheels of adjustable magnetic force.
Background technology
In magnetic adsorption wall climbing robot field, the permanent magnetism car made using permanent-magnet material is mainly installed in robot
Wheel.And existing permanent magnetic wheels magnetic force is generally unadjustable, when climbing robot crawls work, difference is creeped media plane
Required magnetic force may be generally also different, and another current permanent magnetic wheels magnetic force is not suitable for when robot is moved to from a media plane
During the media plane of work, the work of creeping of new media plane can only be often met by exchanging the permanent magnetic wheels of different magnetic force
Make, significantly limit the efficient working range of magnetic adsorption wall climbing robot.In addition, when climbing robot is in the less sky in gap
During interior transmission failure, because magnetic force is larger, it is not easily taken out.Brute-force is such as used, climbing robot or place can be caused to work and set
Standby damage.
The content of the invention
For above-mentioned deficiency of the prior art, the present invention provides a kind of permanent magnetic wheels of adjustable magnetic force, can be according to existing
Field needs to adjust permanent magnetic wheels magnetic force, has the advantages that convenient, the simple in construction and degree of safety of regulation is high.
To achieve these goals, the present invention provides a kind of permanent magnetic wheels of adjustable magnetic force, including wheel assembly in one, outside one
Wheel assembly and a circumferential position limiting structure, the outer wheel assembly, which is rotationally arranged, to be fixed on outside the interior wheel assembly, the circumference
Position limiting structure is used for circumferentially spacing to the interior wheel assembly and the outer wheel assembly；The interior wheel assembly includes permanent magnet；It is described
Outer wheel assembly includes multiple first magnetic isolating segments and multiple permeable segments, and first magnetic isolating segment is circumferentially-spaced along the outer wheel assembly
Distribution, is embedded with permeable segments described in one between every two adjacent first magnetic isolating segments, and first magnetic isolating segment and described leads
Magnetic section cooperatively forms an outer wheel body.
Preferably, the outer wheel assembly also includes a first support, and first magnetic isolating segment and the permeable segments are fixed on
The outer wheel assembly is formed in the first support, the first support is to the interior wheel assembly axial limiting.
Preferably, the first support includes two first garter springs and at least one first connector, the first garter spring described in two point
The first annular groove that Xing Cheng do not coordinate with the foreign steamer body side surface, the both sides of the outer wheel body are embedded at first annular groove respectively
It is interior, interfixed between the first garter spring described in two by first connector.
Preferably, the interior wheel assembly includes wheel body and a second support in one, the interior wheel body include it is multiple it is described forever
Magnet and multiple second magnetic isolating segments, circumferentially-spaced distribution of second magnetic isolating segment along the outer wheel assembly, every two adjacent institutes
State and permanent magnet described in one is embedded between the second magnetic isolating segment, and second magnetic isolating segment and the permanent magnet are cooperatively formed in described
Wheel body；The two poles of the earth of the permanent magnet are radially arranged along the interior wheel body, and the magnetic pole of the adjacent permanent magnet is oppositely arranged；It is described
Interior wheel body is fixed in the second support.
Preferably, the second support includes two second garter springs, lubrication groove cylinder and at least one second connector, the described in two
Two garter springs form the second annular groove coordinated with the lubrication groove body side surface respectively, and the both sides of the interior wheel body are embedded at described the respectively
In two annular grooves, interfixed between the second garter spring described in two by second connector；The interior wheel body is sheathed in described
Take turns outside cylinder.
Preferably, the material of the permeable segments is iron.
Preferably, the material of first magnetic isolating segment and second magnetic isolating segment is brass.
Preferably, the circumferential position limiting structure includes an alignment pin and two positioning holes, the interior wheel assembly and the foreign steamer
The positioning hole that component formation cooperates, the alignment pin is removably inserted in described in two in positioning hole.
Preferably, the circumferential position limiting structure includes a damping layer, and the damping layer is arranged at the interior wheel assembly and institute
State between outer wheel assembly.
The present invention makes it have following beneficial effect as a result of above technical scheme：
Outer wheel assembly is rotationally sheathed on outside interior wheel assembly, while between coordinating circumference of first magnetic isolating segment along outer wheel assembly
Every distribution, the structure of a permeable segments is embedded between every two the first adjacent magnetic isolating segments so that pass through rotating outer wheel component or interior
Wheel assembly changes both relative positions, you can realization is extended and closed to magnetic circuit, can easily change permanent magnetism wheel
The magnetic force size of generation, realizes the regulation of magnetic force, without exchanging permanent magnet, adjusts convenient, simple in construction and degree of safety high.It is circumferential
Position limiting structure is used for external wheel assembly and interior wheel assembly is circumferentially spacing, prevents permanent magnetic wheels in working condition, outer wheel assembly and interior
Relative position between wheel assembly changes, and keeps the stabilization of current magnetic force, it is ensured that the security of permanent magnetic wheels work and stably
Property.First support is used to fix the first magnetic isolating segment and permeable segments.Second support is used for fixed permanent magnet and the second magnetic isolating segment.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the permanent magnetic wheels of the adjustable magnetic force of the embodiment of the present invention；
Fig. 2 is the sectional view of the first state of the permanent magnetic wheels of the adjustable magnetic force of the embodiment of the present invention；
Fig. 3 is the sectional view of the second state of the permanent magnetic wheels of the adjustable magnetic force of the embodiment of the present invention；
Fig. 4 is the structural representation of the outer wheel assembly of the embodiment of the present invention；
Fig. 5 is the structural representation of the interior wheel assembly of the embodiment of the present invention.
Embodiment
Below according to 1~Fig. 5 of accompanying drawing, presently preferred embodiments of the present invention is provided, and is described in detail, is enabled more preferably geographical
Solve function, the feature of the present invention.
Fig. 1~Fig. 3 is referred to, the present invention provides a kind of permanent magnetic wheels of adjustable magnetic force, including in an outer wheel assembly 1, one
The circumferential position limiting structure (not shown) of wheel assembly 2 and one, outer wheel assembly 1, which is rotationally arranged, to be fixed on outside interior wheel assembly 2, circumferential
Position limiting structure is used for internal wheel assembly 2 and outer wheel assembly 1 is circumferential spacing；Interior wheel assembly 2 includes permanent magnet 211；Outer wheel assembly 1 is wrapped
Include multiple first magnetic isolating segments 111 and multiple permeable segments 112, circumferentially-spaced distribution of first magnetic isolating segment 111 along outer wheel assembly 1, often
A permeable segments 112 are embedded between two the first adjacent magnetic isolating segments 111, and the first magnetic isolating segment 111 and permeable segments 112 are cooperatively formed
One outer wheel body 11.In the present embodiment, the material of permeable segments 112 is iron.
Outer wheel assembly 1 is rotationally sheathed on outside interior wheel assembly 2, while coordinating the first magnetic isolating segment 111 along outer wheel assembly 1
The structure of a permeable segments 112 is embedded between circumferentially-spaced distribution, every two the first adjacent magnetic isolating segments 111 so that pass through rotation
Outer wheel assembly 1 or interior wheel assembly 2 change both relative positions, you can realization is extended and closed to magnetic circuit, can be facilitated
Ground changes the magnetic force size that permanent magnetism wheel is produced, and realizes the regulation of magnetic force, without exchanging permanent magnet 211, adjusts convenient, structure simple
Single and degree of safety is high.Circumferential position limiting structure is used for external wheel assembly 1 and interior wheel assembly 2 is circumferential spacing, prevents permanent magnetic wheels in work
During state, the relative position between outer wheel assembly 1 and interior wheel assembly 2 changes, and keeps the stabilization of current magnetic force, it is ensured that permanent magnetism
Take turns the safety and stability of work.
Fig. 1 and Fig. 4 are referred to, outer wheel assembly 1 also includes a first support 12, and the first magnetic isolating segment 111 and permeable segments 112 are solid
Due to the axial limiting of wheel assembly 2 in the interior outer wheel assembly 1 of formation of first support 12,12 pairs of first support.The material of first magnetic isolating segment 111
Matter is brass.
First support 12 includes two first garter springs 121 and at least one first connector (not shown), two first garter springs 121
The first annular groove coordinated sideways with outer wheel body 11 is formed respectively, and the both sides of outer wheel body 11 are embedded in the first annular groove respectively, two the
Interfixed between one garter spring 121 by the first connector.First support 12 is used to fix the first magnetic isolating segment 111 and permeable segments
112。
Fig. 1 and Fig. 5 are referred to, interior wheel assembly 2 includes the second support 22 of wheel body 21 and one in one, and interior wheel body 21 includes multiple
Permanent magnet 211 and multiple second magnetic isolating segments 212, circumferentially-spaced distribution of second magnetic isolating segment 212 along outer wheel assembly 1, every two is adjacent
The second magnetic isolating segment 212 between be embedded with a permanent magnet 211, and the second magnetic isolating segment 212 and permanent magnet 211 cooperatively form interior wheel body
21；The two poles of the earth of permanent magnet 211 are radially arranged along interior wheel body 21, and the magnetic pole of adjacent permanent magnet 211 is oppositely arranged；Interior wheel body 21 is consolidated
Due in second support 22.
Second support 22 includes two second garter springs 221, lubrication groove cylinder 222 and at least one second connector (not shown),
Two second garter springs 221 form the second annular groove coordinated sideways with interior wheel body 21 respectively, and the both sides of interior wheel body 21 are embedded at the respectively
In two annular grooves, interfixed between two second garter springs 221 by the second connector；Interior wheel body 21 is sheathed on outside lubrication groove cylinder 222.The
The material of two magnetic isolating segments 212 is brass.Second support 22 is used for the magnetic isolating segment 212 of fixed permanent magnet 211 and second.
In the present embodiment, circumferential position limiting structure includes an alignment pin and two positioning hole (not shown), interior wheel assembly 2 and outer
The positioning hole that the formation of wheel assembly 1 cooperates, alignment pin is removably inserted in two positioning holes.
Or, in another embodiment, circumferential position limiting structure includes a damping layer, and damping layer is arranged at the interior He of wheel assembly 2
Between outer wheel assembly 1.
Referring to Fig. 2, when the state that regulation to the first magnetic isolating segment 111 and the second magnetic isolating segment 212 align, the present embodiment
The external magnetic force of permanent magnetic wheels of adjustable magnetic force is maximum.
Referring to Fig. 3, when the first magnetic isolating segment 111 is adjusted to 211 outside of permanent magnet, the adjustable magnetic of the present embodiment
The external magnetic force of permanent magnetic wheels of power reduces.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this
Invention regard the scope defined using appended claims as protection scope of the present invention.
Claims (9)
1. a kind of permanent magnetic wheels of adjustable magnetic force, it is characterised in that circumferential spacing including wheel assembly, an outer wheel assembly and one in one
Structure, the outer wheel assembly, which is rotationally arranged, to be fixed on outside the interior wheel assembly, and the circumferential position limiting structure is used for described
Interior wheel assembly and the outer wheel assembly are circumferentially spacing；The interior wheel assembly includes permanent magnet；The outer wheel assembly includes multiple the
One magnetic isolating segment and multiple permeable segments, circumferentially-spaced distribution of first magnetic isolating segment along the outer wheel assembly, every two adjacent institutes
State and be embedded with permeable segments described in one between the first magnetic isolating segment, and first magnetic isolating segment and the permeable segments cooperatively form a foreign steamer
Body.
2. the permanent magnetic wheels of the adjustable magnetic force according to right wants 1, it is characterised in that the outer wheel assembly also includes one first
Support, first magnetic isolating segment and the permeable segments, which are fixed in the first support, forms the outer wheel assembly, and described first
Support is to the interior wheel assembly axial limiting.
3. the permanent magnetic wheels of the adjustable magnetic force according to right wants 2, it is characterised in that the first support includes two first hoops
Ring and at least one first connector, the first garter spring described in two form the first annular groove coordinated with the foreign steamer body side surface, institute respectively
The both sides for stating outer wheel body are embedded in first annular groove respectively, pass through the first connector phase between the first garter spring described in two
It is mutually fixed.
4. the permanent magnetic wheels of the adjustable magnetic force according to right wants 1~3 any one, it is characterised in that the interior wheel assembly bag
Wheel body and a second support in one are included, the interior wheel body includes multiple permanent magnets and multiple second magnetic isolating segments, described second
It is embedded between circumferentially-spaced distribution of the magnetic isolating segment along the outer wheel assembly, every two adjacent second magnetic isolating segments described in one forever
Magnet, and second magnetic isolating segment and the permanent magnet cooperatively form the interior wheel body；The two poles of the earth of the permanent magnet are along described interior
Wheel body is radially arranged, and the magnetic pole of the adjacent permanent magnet is oppositely arranged；The interior wheel body is fixed in the second support.
5. the permanent magnetic wheels of the adjustable magnetic force according to right wants 4, it is characterised in that the second support includes two second hoops
Ring, lubrication groove cylinder and at least one second connector, the second garter spring described in two form the coordinated with the lubrication groove body side surface respectively
Two annular grooves, the both sides of the interior wheel body are embedded in second annular groove respectively, pass through described between the second garter spring described in two
Two connectors interfix；It is outer that the interior wheel body is sheathed on the lubrication groove cylinder.
6. the permanent magnetic wheels of the adjustable magnetic force according to right wants 5, it is characterised in that the material of the permeable segments is iron.
7. the permanent magnetic wheels of the adjustable magnetic force according to right wants 6, it is characterised in that first magnetic isolating segment and described second
The material of magnetic isolating segment is brass.
8. the permanent magnetic wheels of the adjustable magnetic force according to right wants 7, it is characterised in that the circumferential position limiting structure includes certain
The positioning hole that position pin and two positioning holes, the interior wheel assembly and the outer wheel assembly formation cooperate, the alignment pin
Removably it is inserted in described in two in positioning hole.
9. the permanent magnetic wheels of the adjustable magnetic force according to right wants 7, it is characterised in that the circumferential position limiting structure includes a resistance
Buddhist nun's layer, the damping layer is arranged between the interior wheel assembly and the outer wheel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447139.4A CN107284126B (en) | 2017-06-14 | 2017-06-14 | The permanent magnetic wheels of adjustable magnetic force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710447139.4A CN107284126B (en) | 2017-06-14 | 2017-06-14 | The permanent magnetic wheels of adjustable magnetic force |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107284126A true CN107284126A (en) | 2017-10-24 |
| CN107284126B CN107284126B (en) | 2019-04-16 |
Family
ID=60097066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710447139.4A Expired - Fee Related CN107284126B (en) | 2017-06-14 | 2017-06-14 | The permanent magnetic wheels of adjustable magnetic force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107284126B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984966A (en) * | 2017-12-05 | 2018-05-04 | 北京安可为检测科技有限公司 | It is a kind of can magnetisation can the roller and application thereof of demagnetization, usage |
| CN110217044A (en) * | 2018-03-02 | 2019-09-10 | 广东汇四方精密磁材有限公司 | Multipole is orientated magnetic wheel and its installation method |
| CN111775618A (en) * | 2020-07-14 | 2020-10-16 | 代志永 | Magnetic wheel structure with adjustable magnetic force |
| CN111976378A (en) * | 2020-08-25 | 2020-11-24 | 广东省智能制造研究所 | Controllable magnetic wheel and assembling method and using method thereof |
| CN113788070A (en) * | 2021-11-01 | 2021-12-14 | 成都熊谷加世电器有限公司 | Magnetic adsorption climbing trolley |
| CN114261240A (en) * | 2020-09-16 | 2022-04-01 | 郑州迅布智能科技有限公司 | Magnetic wheel and robot using same |
| CN115891500A (en) * | 2023-03-09 | 2023-04-04 | 西南交通大学 | Magnetic wheel structure of magnetic suspension automobile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1067202A (en) * | 1996-08-28 | 1998-03-10 | Kurita Mach Mfg Co Ltd | Magnetic wheel |
| KR20100120324A (en) * | 2009-05-06 | 2010-11-16 | (주)로멕스테크놀로지 | Magnetic wheel |
| CN203974389U (en) * | 2014-03-07 | 2014-12-03 | 赵剑毅 | One can be inlayed magnet steel wheel |
| CN204605990U (en) * | 2015-01-16 | 2015-09-02 | 中国计量学院 | Magnetic force variable duct boosting climbing robot |
| CN105216544A (en) * | 2014-06-06 | 2016-01-06 | 左国刚 | A kind of wheel with wheel hub motor and prepare assemble method |
| CN106426247A (en) * | 2016-10-09 | 2017-02-22 | 成都诺博特科技有限公司 | Magnetic adsorption robot |
| CN106585269A (en) * | 2016-12-28 | 2017-04-26 | 乐视汽车（北京）有限公司 | Magnetic-driven tyre, control method and device of magnetic-driven tyre and vehicle |
-
2017
- 2017-06-14 CN CN201710447139.4A patent/CN107284126B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1067202A (en) * | 1996-08-28 | 1998-03-10 | Kurita Mach Mfg Co Ltd | Magnetic wheel |
| KR20100120324A (en) * | 2009-05-06 | 2010-11-16 | (주)로멕스테크놀로지 | Magnetic wheel |
| CN203974389U (en) * | 2014-03-07 | 2014-12-03 | 赵剑毅 | One can be inlayed magnet steel wheel |
| CN105216544A (en) * | 2014-06-06 | 2016-01-06 | 左国刚 | A kind of wheel with wheel hub motor and prepare assemble method |
| CN204605990U (en) * | 2015-01-16 | 2015-09-02 | 中国计量学院 | Magnetic force variable duct boosting climbing robot |
| CN106426247A (en) * | 2016-10-09 | 2017-02-22 | 成都诺博特科技有限公司 | Magnetic adsorption robot |
| CN106585269A (en) * | 2016-12-28 | 2017-04-26 | 乐视汽车（北京）有限公司 | Magnetic-driven tyre, control method and device of magnetic-driven tyre and vehicle |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107984966A (en) * | 2017-12-05 | 2018-05-04 | 北京安可为检测科技有限公司 | It is a kind of can magnetisation can the roller and application thereof of demagnetization, usage |
| CN110217044A (en) * | 2018-03-02 | 2019-09-10 | 广东汇四方精密磁材有限公司 | Multipole is orientated magnetic wheel and its installation method |
| CN111775618A (en) * | 2020-07-14 | 2020-10-16 | 代志永 | Magnetic wheel structure with adjustable magnetic force |
| CN111976378A (en) * | 2020-08-25 | 2020-11-24 | 广东省智能制造研究所 | Controllable magnetic wheel and assembling method and using method thereof |
| CN114261240A (en) * | 2020-09-16 | 2022-04-01 | 郑州迅布智能科技有限公司 | Magnetic wheel and robot using same |
| CN113788070A (en) * | 2021-11-01 | 2021-12-14 | 成都熊谷加世电器有限公司 | Magnetic adsorption climbing trolley |
| CN115891500A (en) * | 2023-03-09 | 2023-04-04 | 西南交通大学 | Magnetic wheel structure of magnetic suspension automobile |
| CN115891500B (en) * | 2023-03-09 | 2023-05-12 | 西南交通大学 | Magnetic wheel structure of magnetic suspension automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107284126B (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107284126A (en) | The permanent magnetic wheels of adjustable magnetic force | |
| CA2924474A1 (en) | Stator assembly and magnetic bearing or electric motor comprising such a stator assembly | |
| CN101846131B (en) | Magnetic suspension bearing | |
| GB2522021A (en) | A rotor for an electric motor or generator | |
| CN108087561B (en) | Mixed type magnetic source magnetic fluid sealing device | |
| US10840754B2 (en) | Method of producing a permanent magnet machine | |
| CN105871158A (en) | Moving-coil brushless DC (direct-current) permanent magnet motor with inner and outer rotor structure | |
| CN205647219U (en) | External rotor permanent magnet brushless dc motors in drag cup armature | |
| CN105570299A (en) | Three-degree-of-freedom hybrid magnetic bearing used for horizontal-axis wind power generation | |
| CN201696491U (en) | Conical permanent magnetic suspended inner rotor hybrid magnetic bearing | |
| CN104184284B (en) | Double magnetic circuit asynchronous starting permanent magnet synchronous motor rotor | |
| US20170093231A1 (en) | Stator-rotor device for an electrical machine | |
| CN208806666U (en) | surface-mounted permanent magnet rotor structure and permanent magnet motor | |
| CN104917352A (en) | Magnetic gear with magnetism regulating ring adopting chute structure for reducing torque pulsation | |
| ATE482508T1 (en) | MOTORIZED ROTARY TURNING | |
| CN202513722U (en) | Rare earth permanent magnet motor with dustproof device | |
| CN205918906U (en) | Vacuum apparatus and magnetic fluid sealed transmission device thereof | |
| CN101881301A (en) | Radial suspension structure of magnetic suspension bearing | |
| CN105156473B (en) | A kind of twin coil radial spherical magnetic bearing | |
| CN106487118A (en) | Electric machine | |
| CN103244557A (en) | Radial-axial magnetic bearing | |
| CN208723644U (en) | Motor rotor and vacuum pump | |
| CN104179801A (en) | Radial-axial magnetic suspension composite unit | |
| CN201246411Y (en) | Magnetic suspension bearing | |
| CN215071858U (en) | Motor heat radiation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20190416 |