CN204733056U - The blower fan of a kind of DC brushless outer rotor motor and application thereof - Google Patents
The blower fan of a kind of DC brushless outer rotor motor and application thereof Download PDFInfo
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- CN204733056U CN204733056U CN201520408585.0U CN201520408585U CN204733056U CN 204733056 U CN204733056 U CN 204733056U CN 201520408585 U CN201520408585 U CN 201520408585U CN 204733056 U CN204733056 U CN 204733056U
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- outer rotor
- rotor motor
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- cavity
- plastic
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Brushless Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a kind of DC brushless outer rotor motor, comprise stator, external rotor and rotating shaft, external rotor is sheathed on outside stator, described stator is plastic packaging stator, comprise stator core, overhang insulation, coil windings and plastic-sealed body, overhang insulation is arranged on the end face of stator core, coil windings is winding and installed on overhang insulation, plastic-sealed body is described stator core, overhang insulation and coil windings connect to one, cavity is formed in the middle of the bottom surface of stator, bearing pedestal extend into inside cavity, rotating shaft one end is passed and is linked together with described stator in the middle of the diapire of cavity, the other end stretches out outward in the middle of receiver, overhang insulation is provided with circuit board module, combination hub on circuit board module exposes from the end face of plastic-sealed body, this structure is simple, realize being electrically connected with outside by the form of combination hub, easy to use, reliably.
Description
Technical field:
The utility model relates to the blower fan of a kind of DC brushless outer rotor motor and application thereof.
Background technology:
In existing DC brushless outer rotor motor A0, the triple line of stator and Hall line pass through the form of lead-in wire A1 toward extension, and realize being electrically connected with outside by the connected mode of Line To Line, but there is following Railway Project in the DC brushless outer rotor motor of this structure:
1) triple line, Hall line comparatively disperse, in a jumble, the space taken is large, and is easily scraped by the external rotor of High Rotation Speed, there is security risk;
2) connected mode of Line To Line, connects trouble, operating efficiency is low, and the reliability connected is relatively poor.
Summary of the invention:
The purpose of this utility model is to provide a kind of DC brushless outer rotor motor, and this structure is simple, realizes being electrically connected with outside by the form of combination hub, easy to use, reliable.
Another object of the present utility model is to provide a kind of blower fan, and this structure is simple, realizes being electrically connected with outside by the form of combination hub, easy to use, reliable.
The purpose of this utility model is achieved by following technical proposals.
A kind of DC brushless outer rotor motor, comprise stator, external rotor and rotating shaft, external rotor is sheathed on outside stator, wherein external rotor comprise with cavity volume casing sleeve and be arranged on some permanent magnets on casing sleeve lining face, inside cavity volume, the centre of casing sleeve is provided with receiver, receiver two ends are respectively arranged with bearing chamber, inside bearing chamber, bearing is installed, rotating shaft to be positioned at inside receiver and two supports on described bearing, described stator is plastic packaging stator, comprise stator core, overhang insulation, coil windings and plastic-sealed body, overhang insulation is arranged on the end face of stator core, coil windings is winding and installed on overhang insulation, plastic-sealed body is described stator core, overhang insulation and coil windings connect to one, cavity is formed in the middle of stator core, bearing pedestal extend into inside cavity, rotating shaft one end is passed and is linked together with described stator in the middle of the diapire of cavity, the other end stretches out outward in the middle of receiver, overhang insulation is provided with circuit board module, circuit board module is wrapped by plastic-sealed body, be arranged on the combination hub on circuit board module to expose from the end face of plastic-sealed body.
Above-mentioned circuit board module comprises fixed mount, wiring board, cover plate and combination hub, the end face of fixed mount is provided with cavity, wiring board is arranged on inside described cavity, the end face that cover plate is arranged on fixed mount is fixed on wiring board inside cavity, the end face that combination hub is arranged on wiring board is formed with wiring board and is electrically connected, and the top of combination hub is stretched out outward in the middle of cover plate.
Above-mentioned overhang insulation comprises the some teeth portion being positioned at middle ring portion and stretching out outward ring portion, the outer ledge of each teeth portion is provided with slot, inside part slot, lug plate is installed wherein, lug plate one end and coil windings are electrically connected, and the other end passes from the bottom of fixed mount and extend into inside cavity and is electrically connected with wiring board.
Above-mentionedly on the outer ledge of each teeth portion, be provided with half slot.
Above-mentionedly on the bottom surface of wiring board, be provided with Hall element, Hall element extend into inside the notch that in stator core, adjacent two stator teeths are formed.
Be provided with axle sleeve in the middle of the above-mentioned side at cavity, plastic-sealed body, rotating shaft is passed and is nested together with described axle sleeve in the middle of cavity.
Above-mentioned plastic packaging stator also includes die casting sleeve, the nested outside being arranged on described axle sleeve, die casting sleeve one end, and the other end is enclosed within the internal face of stator core, and plastic-sealed body and die casting sleeve connect to one.
The above-mentioned stage portion being provided with annular on the outer wall of die casting sleeve, the end surface supporting of stator core is in described stage portion.
Above-mentionedly on the end face of plastic-sealed body, be provided with radial radiating ribs, external rotor is flat, nestedly outside external rotor is provided with ring flange.
A kind of blower fan, comprise spiral case, wind wheel and DC brushless outer rotor motor, the two sides of spiral case offer air inlet respectively, wind wheel and DC brushless outer rotor motor are positioned at inside spiral case, wherein wind wheel is nested in the outside of described DC brushless outer rotor motor, two axle stretch end of DC brushless outer rotor motor link together with the mounting bracket be arranged on spiral case two air inlet positions respectively, it is characterized in that: described DC brushless outer rotor motor is the DC brushless outer rotor motor described by any one of claim 1 to 9.
The utility model compared with prior art, has following effect:
1) on overhang insulation, be provided with circuit board module, the combination hub on circuit board module exposes from the end face of plastic-sealed body, and this structure is simple, realizes being electrically connected with outside by the form of combination hub, easy to use, reliable.
2) on the end face of fixed mount, cavity is provided with, wiring board is arranged on inside described cavity, the end face that cover plate is arranged on fixed mount is fixed on wiring board inside cavity, the end face that combination hub is arranged on wiring board is formed with wiring board and is electrically connected, the top of combination hub is stretched out outward in the middle of cover plate, structure is simple, easy for installation, and the good airproof performance of wiring board, wiring board is effectively prevented to be subject to the pollution of water or dust and to cause damage even to be scrapped, improve its reliability, increase the service life.
3) outer ledge of each teeth portion is provided with half slot, by half slot, convenient when coiling Set and Positioning.
4) the nested outside being arranged on described axle sleeve, die casting sleeve one end, the other end is enclosed within the internal face of stator core, plastic-sealed body and die casting sleeve connect to one, effectively can be increased the bulk strength of plastic packaging stator by die casting sleeve, prevent from causing because the adhesion between rotating shaft and stator is not enough occurring getting loose or the problem of transmission failure.
5) on the end face of plastic-sealed body, be provided with radial radiating ribs, effectively improve the heat-sinking capability of plastic packaging stator.
Accompanying drawing illustrates:
Fig. 1 is the stereogram of existing DC brushless outer rotor motor;
Fig. 2 is the stereogram of DC brushless outer rotor motor in embodiment;
Fig. 3 is the exploded view of DC brushless outer rotor motor in embodiment;
Fig. 4 is the structural representation of DC brushless outer rotor motor in embodiment;
Fig. 5 is the exploded view of stator in embodiment;
Fig. 6 is the partial schematic diagram of stator in embodiment;
Fig. 7 is the partial exploded view of stator in embodiment;
Fig. 8 is the stereogram of blower fan in embodiment;
Fig. 9 is the structural representation of blower fan in embodiment.
Embodiment:
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one: as shown in Figures 2 to 7, the present embodiment is a kind of DC brushless outer rotor motor, comprise stator 1, external rotor 2 and rotating shaft 3, external rotor 2 is sheathed on outside stator 1, wherein external rotor 2 comprises casing sleeve 21 with cavity volume 20 and some permanent magnets 22 of being arranged on casing sleeve 21 internal face, inside cavity volume 20, the centre of casing sleeve 21 is provided with receiver 4, receiver 4 two ends are respectively arranged with bearing chamber 40, bearing 5 is installed inside bearing chamber 40, rotating shaft 3 to be positioned at inside receiver 4 and two supports on described bearing 5, described stator 1 is plastic packaging stator, comprise stator core 11, overhang insulation 12, coil windings 13 and plastic-sealed body 14, overhang insulation 12 is arranged on the end face of stator core 11, coil windings 13 is winding and installed on overhang insulation 12, plastic-sealed body 14 is described stator core 11, overhang insulation 12 and coil windings 13 connect to one, cavity 10 is formed in the middle of stator core 11, bearing pedestal 4 extend into inside cavity 10, rotating shaft 3 one end is passed and is linked together with described stator 1 in the middle of the diapire of cavity 10, the other end stretches out outward in the middle of receiver 4, overhang insulation 12 is provided with circuit board module 6, circuit board module 6 is wrapped by plastic-sealed body 14, the combination hub 61 be arranged on circuit board module 6 exposes from the end face of plastic-sealed body 14.Circuit board module 6 comprises fixed mount 62, wiring board 63, cover plate 64 and combination hub 61, the end face of fixed mount 62 is provided with cavity 620, wiring board 63 is arranged on inside described cavity 620, the end face that cover plate 64 is arranged on fixed mount 62 is fixed on wiring board 63 inside cavity 620, the end face that combination hub 61 is arranged on wiring board 63 is formed with wiring board 63 and is electrically connected, and the top of combination hub 61 is stretched out outward in the middle of cover plate 64.Described overhang insulation 12 comprises the some teeth portion 122 being positioned at middle ring portion 121 and stretching out outward ring portion 121, the outer ledge of each teeth portion 122 is provided with slot 1221, inside part slot 1221, lug plate 7 is installed wherein, lug plate 7 one end and coil windings 13 are electrically connected, and the other end passes from the bottom of fixed mount 62 and extend into inside cavity 620 and is electrically connected with wiring board 63.The outer ledge of each teeth portion 122 is provided with half slot 1222.The bottom surface of wiring board 63 is provided with Hall element 631, and Hall element 631 extend into inside the notch 110 that in stator core 11, adjacent two stator teeths are formed.Be provided with axle sleeve 8 in the side of cavity 10, in the middle of plastic-sealed body 14, rotating shaft 3 in the middle of cavity 10 through and nest together with described axle sleeve 8.Described plastic packaging stator also includes die casting sleeve 9, the nested outside being arranged on described axle sleeve 8, die casting sleeve 9 one end, and the other end is enclosed within the internal face of stator core 11, and plastic-sealed body 14 and die casting sleeve 9 connect to one.The outer wall of die casting sleeve 9 is provided with the stage portion 91 of annular, and the end surface supporting of stator core 11 is in described stage portion 91.The end face of plastic-sealed body 14 is provided with radial radiating ribs 141, and external rotor 2, in flat, nestedly outside external rotor 2 is provided with ring flange 23.
Embodiment two: as shown in Figure 8 and Figure 9, the present embodiment is a kind of blower fan, comprise spiral case 101, wind wheel 102 and DC brushless outer rotor motor 103, the two sides of spiral case 101 offer air inlet 1010 respectively, wind wheel 102 and DC brushless outer rotor motor 103 are positioned at inside spiral case 101, wherein wind wheel 102 is nested in the outside of described DC brushless outer rotor motor 103, two axle stretch end of DC brushless outer rotor motor 103 link together with the mounting bracket 104 be arranged on spiral case 101 two air inlet 1010 positions respectively, described DC brushless outer rotor motor 103 is the DC brushless outer rotor motors described in above-described embodiment one, do not repeat them here.
Above embodiment is better embodiment of the present invention; but embodiments of the present invention are not limited thereto; other are any do not deviate from Spirit Essence of the present invention and principle under do change, modification, substitute, combine, simplify; be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. a DC brushless outer rotor motor, comprise stator (1), external rotor (2) and rotating shaft (3), external rotor (2) is sheathed on stator (1) outside, wherein external rotor (2) comprises casing sleeve (21) with cavity volume (20) and some permanent magnets (22) of being arranged on casing sleeve (21) internal face, in cavity volume (20) the inside, the centre of casing sleeve (21) is provided with receiver (4), receiver (4) two ends are respectively arranged with bearing chamber (40), in bearing chamber (40) the inside, bearing (5) is installed, rotating shaft (3) be positioned at receiver (4) the inside and two supports on described bearing (5), described stator (1) is plastic packaging stator, comprise stator core (11), overhang insulation (12), coil windings (13) and plastic-sealed body (14), overhang insulation (12) is arranged on the end face of stator core (11), coil windings (13) is winding and installed on overhang insulation (12), plastic-sealed body (14) is described stator core (11), overhang insulation (12) and coil windings (13) connect to one, cavity (10) is formed in the middle of stator core (11), bearing pedestal (4) extend into cavity (10) the inside, rotating shaft (3) one end is passed and is linked together with described stator (1) in the middle of the diapire of cavity (10), the other end stretches out outward in the middle of receiver (4), it is characterized in that: circuit board module (6) is installed on overhang insulation (12), circuit board module (6) is wrapped by plastic-sealed body (14), the combination hub (61) be arranged on circuit board module (6) exposes from the end face of plastic-sealed body (14).
2. a kind of DC brushless outer rotor motor according to claim 1, it is characterized in that: described circuit board module (6) comprises fixed mount (62), wiring board (63), cover plate (64) and combination hub (61), the end face of fixed mount (62) is provided with cavity (620), wiring board (63) is arranged on described cavity (620) the inside, the end face that cover plate (64) is arranged on fixed mount (62) is fixed on cavity (620) the inside wiring board (63), the end face that combination hub (61) is arranged on wiring board (63) is formed with wiring board (63) and is electrically connected, the top of combination hub (61) is stretched out outward in the middle of cover plate (64).
3. a kind of DC brushless outer rotor motor according to claim 2, it is characterized in that: described overhang insulation (12) comprises the some teeth portion (122) being positioned at middle ring portion (121) and stretching out outward ring portion (121), the outer ledge of each teeth portion (122) is provided with slot (1221), part slot (1221) the inside is provided with lug plate (7) wherein, lug plate (7) one end and coil windings (13) are electrically connected, the other end passes from the bottom of fixed mount (62) and extend into cavity (620) the inside and is electrically connected with wiring board (63).
4. a kind of DC brushless outer rotor motor according to claim 3, is characterized in that: on the outer ledge of each teeth portion (122), be provided with half slot (1222).
5. a kind of DC brushless outer rotor motor according to Claims 2 or 3 or 4, it is characterized in that: on the bottom surface of wiring board (63), be provided with Hall element (631), Hall element (631) extend into notch (110) the inside that adjacent two stator teeths in stator core (11) are formed.
6. a kind of DC brushless outer rotor motor according to claim 1 or 2 or 3 or 4, it is characterized in that: in the middle of the side, plastic-sealed body (14) of cavity (10), be provided with axle sleeve (8), rotating shaft (3) is passed and is nested together with described axle sleeve (8) in the middle of cavity (10).
7. a kind of DC brushless outer rotor motor according to claim 6, it is characterized in that: described plastic packaging stator also includes die casting sleeve (9), the nested outside being arranged on described axle sleeve (8), die casting sleeve (9) one end, the other end is enclosed within the internal face of stator core (11), and plastic-sealed body (14) and die casting sleeve (9) connect to one.
8. a kind of DC brushless outer rotor motor according to claim 7, it is characterized in that: the stage portion (91) being provided with annular on the outer wall of die casting sleeve (9), the end surface supporting of stator core (11) is in described stage portion (91).
9. a kind of DC brushless outer rotor motor according to claim 1 or 2 or 3 or 4, it is characterized in that: on the end face of plastic-sealed body (14), be provided with radial radiating ribs (141), external rotor (2), in flat, is nestedly provided with ring flange (23) in external rotor (2) outside.
10. a blower fan, comprise spiral case (101), wind wheel (102) and DC brushless outer rotor motor (103), the two sides of spiral case (101) offer air inlet (1010) respectively, wind wheel (102) and DC brushless outer rotor motor (103) are positioned at spiral case (101) the inside, wherein wind wheel (102) is nested in the outside of described DC brushless outer rotor motor (103), two axle stretch end of DC brushless outer rotor motor (103) link together with the mounting bracket (104) be arranged on two air inlet (1010) positions of spiral case (101) respectively, it is characterized in that: described DC brushless outer rotor motor is the DC brushless outer rotor motor described by any one of claim 1 to 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408585.0U CN204733056U (en) | 2015-06-15 | 2015-06-15 | The blower fan of a kind of DC brushless outer rotor motor and application thereof |
| PCT/CN2015/090116 WO2016201808A1 (en) | 2015-06-15 | 2015-09-21 | Brushless direct current external-rotor motor and fan using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520408585.0U CN204733056U (en) | 2015-06-15 | 2015-06-15 | The blower fan of a kind of DC brushless outer rotor motor and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204733056U true CN204733056U (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520408585.0U Active CN204733056U (en) | 2015-06-15 | 2015-06-15 | The blower fan of a kind of DC brushless outer rotor motor and application thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204733056U (en) |
| WO (1) | WO2016201808A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105407692A (en) * | 2015-12-14 | 2016-03-16 | 联想(北京)有限公司 | Heat dissipation apparatus and electronic device |
| CN105896866A (en) * | 2016-05-20 | 2016-08-24 | 深圳市恒驱电机股份有限公司 | Permanent-magnet brushless DC outer-rotor motor |
| WO2017107315A1 (en) * | 2015-12-23 | 2017-06-29 | 中山大洋电机股份有限公司 | Plastic package stator of external rotor motor and external rotor motor having same |
| CN107181334A (en) * | 2017-05-19 | 2017-09-19 | 嘉善卡固电气设备有限公司 | Fan stator and its blower fan |
| WO2017193513A1 (en) * | 2016-05-09 | 2017-11-16 | 中山大洋电机股份有限公司 | Outer-rotor motor provided with extending dual shafts, and fan using same |
| WO2017211093A1 (en) * | 2016-09-28 | 2017-12-14 | 浙江亿利达风机股份有限公司 | Volute centrifugal fan provided with permanent magnet brushless motor system |
| CN110277847A (en) * | 2018-05-31 | 2019-09-24 | 广东威灵电机制造有限公司 | Rotor and motor |
| WO2019200814A1 (en) * | 2018-04-17 | 2019-10-24 | 中山大洋电机股份有限公司 | Axial flow fan and automobile using same |
| CN113489216A (en) * | 2021-07-05 | 2021-10-08 | 深圳市金源机电科技有限公司 | Low-vibration low-noise direct-current outer rotor brushless motor for laser radar |
| CN107968510B (en) * | 2017-12-29 | 2024-06-18 | 重庆超力高科技股份有限公司 | Brushless Motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108494123B (en) * | 2018-04-19 | 2023-06-30 | 湖州南洋电机有限公司 | Washing machine motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0690552A (en) * | 1992-09-08 | 1994-03-29 | Matsushita Electric Ind Co Ltd | Brushless motor |
| JPH09289751A (en) * | 1996-04-19 | 1997-11-04 | Yaskawa Electric Corp | Mold motor |
| CN202978556U (en) * | 2012-11-30 | 2013-06-05 | 中山大洋电机股份有限公司 | Motor leading wire fixing clamp assembly and motor using motor leading wire fixing clamp assembly |
| CN203707914U (en) * | 2014-01-23 | 2014-07-09 | 中山大洋电机股份有限公司 | External rotor motor |
| CN203775003U (en) * | 2014-03-24 | 2014-08-13 | 中山大洋电机制造有限公司 | Direct-current brushless outer rotor motor and air blower of application thereof |
-
2015
- 2015-06-15 CN CN201520408585.0U patent/CN204733056U/en active Active
- 2015-09-21 WO PCT/CN2015/090116 patent/WO2016201808A1/en active Application Filing
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105407692A (en) * | 2015-12-14 | 2016-03-16 | 联想(北京)有限公司 | Heat dissipation apparatus and electronic device |
| WO2017107315A1 (en) * | 2015-12-23 | 2017-06-29 | 中山大洋电机股份有限公司 | Plastic package stator of external rotor motor and external rotor motor having same |
| WO2017193513A1 (en) * | 2016-05-09 | 2017-11-16 | 中山大洋电机股份有限公司 | Outer-rotor motor provided with extending dual shafts, and fan using same |
| CN105896866A (en) * | 2016-05-20 | 2016-08-24 | 深圳市恒驱电机股份有限公司 | Permanent-magnet brushless DC outer-rotor motor |
| US10215181B2 (en) | 2016-09-28 | 2019-02-26 | Zhe Jiang Yilida Ventilator Co., Ltd | Volute centrifugal fan with permanent-magnet brush-less motor system |
| WO2017211093A1 (en) * | 2016-09-28 | 2017-12-14 | 浙江亿利达风机股份有限公司 | Volute centrifugal fan provided with permanent magnet brushless motor system |
| CN107181334A (en) * | 2017-05-19 | 2017-09-19 | 嘉善卡固电气设备有限公司 | Fan stator and its blower fan |
| CN107181334B (en) * | 2017-05-19 | 2023-07-28 | 嘉善卡固电气设备股份有限公司 | Fan stator and fan thereof |
| CN107968510B (en) * | 2017-12-29 | 2024-06-18 | 重庆超力高科技股份有限公司 | Brushless Motor |
| WO2019200814A1 (en) * | 2018-04-17 | 2019-10-24 | 中山大洋电机股份有限公司 | Axial flow fan and automobile using same |
| US11242868B2 (en) | 2018-04-17 | 2022-02-08 | Zhongshan Yibisi Technology Co., Ltd. | Axial fan |
| CN110277847A (en) * | 2018-05-31 | 2019-09-24 | 广东威灵电机制造有限公司 | Rotor and motor |
| CN113489216A (en) * | 2021-07-05 | 2021-10-08 | 深圳市金源机电科技有限公司 | Low-vibration low-noise direct-current outer rotor brushless motor for laser radar |
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| Publication number | Publication date |
|---|---|
| WO2016201808A1 (en) | 2016-12-22 |
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