WO2015053005A1 - 磁気歯車装置 - Google Patents
磁気歯車装置 Download PDFInfo
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- WO2015053005A1 WO2015053005A1 PCT/JP2014/072707 JP2014072707W WO2015053005A1 WO 2015053005 A1 WO2015053005 A1 WO 2015053005A1 JP 2014072707 W JP2014072707 W JP 2014072707W WO 2015053005 A1 WO2015053005 A1 WO 2015053005A1
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- magnetic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H49/00—Other gearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/104—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element
- H02K49/106—Magnetic couplings consisting of only two coaxial rotary elements, i.e. the driving element and the driven element with a radial air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
Definitions
- the present invention relates to a magnetic gear device that transmits power in a non-contact manner using magnetism.
- the magnetic gear device is configured by coaxially supporting an inner magnet cylinder, an outer magnet cylinder, and a magnetic cylinder, both of which are cylindrical, with a magnetic cylinder interposed between the two magnet cylinders.
- a plurality of bar-shaped magnets extending in the axial length direction are arranged on the outer circumference of the inner magnet cylinder and the inner circumference of the outer magnet cylinder.
- the magnetic cylinder is configured by arranging a plurality of rod-like magnetic bodies at equal intervals in the circumferential direction and holding them with a non-magnetic holding body arranged between them.
- the equal numbers of magnets in the inner and outer magnet cylinders are different from each other, and the magnets are magnetized so that different magnetic poles are adjacent to each other in the circumferential direction. Further, the number of magnetic bodies arranged in parallel in the magnetic cylinder is different from the number of magnets in both magnet cylinders.
- the magnetic gear device includes, for example, an inner magnet cylinder and an outer magnet cylinder that are rotatably supported, a magnetic cylinder that is a non-rotatably supported stator, and one of the inner rotor and the outer rotor.
- the magnetomotive force is modulated by a magnetic body provided on the stator, and a magnetomotive force having a different waveform is applied to the other rotor, thereby shifting (deceleration, acceleration) between the two rotors and the rotating shaft that rotates integrally with each other. Used to transmit power (rotational torque) below.
- the magnetic gear device has advantages such as non-contact power transmission, low generation of vibration and noise during operation, no need for lubrication, and excellent maintenance. Further, the gear ratio and the rotation direction can be appropriately set by selecting the numbers of magnets of the inner and outer rotors and the magnetic bodies of the stator. Furthermore, in recent years, it has become possible to obtain a high torque density (maximum transmission torque per size) by applying a strong magnetic force such as a rare earth iron boron-based magnet. Under such circumstances, the magnetic gear device is eagerly desired to be replaced with various gear devices that realize transmission with a plurality of mechanically meshed gears.
- Patent Document 1 discloses that a cogging torque can be reduced by providing a magnetic body (magnetic tooth portion) of a stator configured as a magnetic cylinder in a skewed state with respect to the axial length direction of the stator.
- Non-Patent Document 1 discloses that cogging torque is reduced by providing an inner rotor (high-speed rotor) magnet configured as a magnet cylinder so as to be skewed in two stages.
- Patent Document 1 is limited to the skew arrangement of the magnetic teeth, and does not mention how much skew (amount, angle) is necessary for effective reduction of the cogging torque. .
- Non-Patent Document 1 theoretically states that the skew arrangement of the magnets of the high-speed rotor is effective in reducing the cogging torque, but the effect of reducing the cogging torque by the two-stage skew arrangement is limited. No effective cogging torque reduction measures are disclosed.
- the present invention has been made in view of such circumstances, and provides a magnetic gear device that can effectively reduce cogging torque and can realize stable power transmission under small torque fluctuations while ensuring high torque density. Objective.
- a magnetic gear device includes a cylindrical inner magnet cylinder in which a plurality of magnets are arranged in parallel on the outer periphery, a cylindrical outer magnet cylinder in which a plurality of magnets are arranged in parallel on the inner periphery, and a circumferential direction.
- a cylindrical magnetic body tube in which a plurality of magnetic bodies are arranged at equal intervals is supported coaxially with the magnetic body tube interposed between the inner magnet tube and the outer magnet tube,
- the magnetic body is the magnetic cylinder.
- It has a rod-like shape extending in the axial direction, and has a skew in the circumferential direction between one end and the other end in the axial direction, corresponding to 1/12 to 1/4 of the circumferentially arranged pitch. It is arranged.
- the skew amount is variously changed to verify the effect of reducing the cogging torque, and the axial length of the magnetic body is determined based on the result.
- the amount of displacement in the circumferential direction between one end and the other end of the direction is set to 1/12 to 1/4 of the parallel arrangement of the magnetic bodies on the circumference of the magnetic cylinder, thereby suppressing a decrease in torque density.
- effective reduction of cogging torque is achieved.
- a magnetic gear device includes a cylindrical inner magnet cylinder in which a plurality of magnets are arranged in parallel on the outer periphery, a cylindrical outer magnet cylinder in which a plurality of magnets are arranged in parallel on the inner periphery, and a circumferential direction.
- a cylindrical magnetic cylinder in which a plurality of magnetic bodies are arranged in parallel at equal intervals is supported coaxially with the magnetic cylinder interposed between the inner magnet cylinder and the outer magnet cylinder.
- the magnetic body is the magnetic cylinder.
- the inner magnet cylinder and the outer magnet cylinder are displaced in the same direction in the circumferential direction between one end and the other end in the axial length direction. And a skew arrangement.
- the cogging torque is reduced by a configuration in which the magnets of the inner magnet cylinder are skew arranged and the magnets of the outer magnet cylinder are also skew arranged in the same direction.
- the amount of displacement of the magnets of the inner magnet cylinder and the outer magnet cylinder is 1/12 to 1/4 of the parallel arrangement pitch of the magnetic bodies on the circumference of the magnetic cylinder. It is characterized by being set to.
- the proper skew amount of the magnets of the inner and outer magnet cylinders is verified, and based on the result, the positional deviation amount of each magnet is calculated based on the parallel pitch of the magnetic bodies on the circumference of the magnetic cylinder.
- the magnets arranged in parallel to the magnetic cylinders or the magnets arranged equally on the inner and outer magnet cylinders are appropriately skewed based on the verification results, so that a high torque density is obtained.
- the cogging torque can be effectively reduced while ensuring stable power transmission under small torque fluctuations.
- FIG. 1 is a longitudinal sectional view schematically showing a magnetic gear device according to a first embodiment.
- FIG. 2 is a transverse sectional view taken along line II-II in FIG. It is an external appearance perspective view which outlines a stator. It is explanatory drawing of the cogging torque reduction effect by skew arrangement
- FIG. 6 is a longitudinal sectional view schematically showing a magnetic gear device according to a second embodiment.
- FIG. 1 is a longitudinal sectional view schematically showing a magnetic gear device according to Embodiment 1
- FIG. 2 is a transverse sectional view taken along the line II-II in FIG.
- the illustrated magnetic gear device includes a cylindrical outer rotor 1 and inner rotor 2 inside a housing 3.
- the outer rotor 1 has a rotary shaft 12 coaxially protruding from a bottom plate 11 provided on one side, and the rotary shaft 12 is supported on one end wall of the housing 3 via a bearing 13. Yes.
- a plurality of rod-like magnets 10 extending in the axial length direction are arranged in parallel on the inner circumference of the outer rotor 1 in the circumferential direction.
- the number of magnets 10 shown in FIG. 2 is 16, and each magnet 10 is magnetized in the radial direction of the outer rotor 1 and is arranged so that different magnetic poles are adjacent to each other in the circumferential direction.
- the inner rotor 2 has a rotating shaft 21 that is coaxially fitted and fixed to the inner periphery, and one side of the rotating shaft 21 is connected to the center of the bottom plate 11 of the outer rotor 1 via a bearing 22. Similarly, the other side is supported on the other end wall of the housing 3 via a bearing 23.
- the inner rotor 2 supported in this way is coaxially arranged inside the outer rotor 1 and can rotate around the axis together with the rotation shaft 21.
- the bearing 22 also serves as a support function for the outer rotor 1.
- the outer rotor 1 maintains coaxiality with the inner rotor 2 by the action of the bearings 13 and 22 on both sides, and rotates around the axis together with the rotary shaft 12. It can be rotated.
- a plurality of rod-shaped magnets 20 extending in the axial length direction are arranged in parallel in the circumferential direction.
- the number of magnets 20 shown in FIG. 2 is eight, which is different from the number of magnets 10 of the outer rotor 1.
- Each magnet 20 is magnetized in the radial direction of the inner rotor 2, and is arranged such that different magnetic poles are adjacent to each other in the circumferential direction, like the magnet 10 of the outer rotor 1.
- the magnets 10, 10... Equally arranged on the inner circumference of the outer rotor 1 and the magnets 20, 20... Equally arranged on the outer circumference of the inner rotor 2 are opposed to each other at an appropriate interval in the radial direction.
- the cylindrical stator 4 is coaxially disposed between these opposed portions.
- the stator 4 is configured by arranging a plurality of magnetic bodies 40 at equal intervals in the circumferential direction and holding these magnetic bodies 40 by a nonmagnetic holding body 41 arranged between them. Yes.
- the number of magnetic bodies 40 shown in FIG. 2 is 24, which is different from the number of magnets 10 of the outer rotor 1 and the number of magnets 20 of the inner rotor 2.
- the outer periphery of the stator 4 is opposed to the magnet 10 equally arranged on the inner periphery of the outer rotor 1 with a minute gap, and the inner periphery is the outer periphery of the inner rotor 2. It faces the magnet 20 equally arranged with a small gap.
- a stator 4 may be integrally fixed to the other end wall of the housing 3 (the end wall on the support side of the rotating shaft 21) as shown in FIG. It may be provided and fixed to the other end wall so that the coaxiality with the outer rotor 1 and the inner rotor 2 can be maintained.
- FIG. 3 is an external perspective view schematically showing the stator 4.
- each magnetic body 40 has a rod shape extending in the axial length direction of the stator 4 and is not parallel to the axial length direction, but is surrounded by one end and the other end in the axial length direction.
- a skew is arranged with a predetermined amount of displacement in the direction.
- the positional deviation amount X of each magnetic body 40 is determined with reference to the parallel pitch P of the magnetic bodies 40, 40... Arranged in the circumferential direction of the stator 4, and in the stator 4 shown in FIG.
- the positional deviation amount X is set to approximately 1 ⁇ 4 of the parallel pitch P.
- the shaft end of the rotating shaft 12 protruding to one side of the housing 3 is connected to an appropriate rotational load, and the shaft end of the rotating shaft 21 protruding to the other side is connected to a motor or the like.
- the rotary drive source is used as power transmission means for transmitting the rotational torque of the rotary drive source to the rotational load.
- the inner rotor 2 rotates together with the rotating shaft 21 by transmission from a rotational drive source.
- the magnets 20, 20... Equally distributed on the outer periphery rotate relative to each other so as to sequentially traverse the magnetic bodies 40, 40.
- the magnets 10, 10... Modulated by the magnetic bodies 40, 40... And arranged in parallel on the inner periphery of the outer rotor 1 are given different magnetomotive forces, and the rotation of the inner rotor 2 is transmitted to the outer rotor 1. .
- the outer rotor 1 rotates in a direction opposite to the inner rotor 2 at a lower speed than the inner rotor 2, and rotates from a rotational drive source. Reduced transmission to the load is realized.
- the magnetic gear device can also be used by connecting the rotary shaft 12 to a rotary drive source and connecting the rotary shaft 21 to a rotary load. In this case, speed-up transmission from the rotary drive source to the rotary load is realized. .
- the rotation direction of the rotating shafts 12 and 21 and the gear ratio (reduction ratio or speed increasing ratio) between the rotating shafts 12 and 21 are equal numbers of the magnets 10 of the outer rotor 1 and the magnets 20 of the inner rotor 20.
- the number of magnetic bodies 40 of the stator 4 can be set appropriately depending on the combination.
- magnets 10, 10... Of the outer rotor 1 and magnets 20, 20... Of the inner rotor 2 are magnets having a strong magnetic force such as rare earth iron boron-based magnets. 4 can be ensured to have a high torque density by making the gap between the magnetic bodies 40, 40,.
- the above-described skew arrangement of the magnetic members 40, 40... In the stator 4 reduces the cogging torque associated with the relative rotation between the outer rotor 1 and the inner rotor 2 during the rotation transmission as described above, and the rotating shaft 12 (or It serves to reduce fluctuations in the output torque extracted to the rotating shaft 21).
- FIG. 4 is an explanatory diagram of the effect of reducing the cogging torque by the skew arrangement, and shows the measurement result of the output torque output to the rotating shaft 12 when a constant rotating torque is input to the rotating shaft 21.
- the horizontal axis in FIG. 4 indicates the rotation angle of the rotary shaft 12, and the vertical axis indicates the output torque.
- the solid line in FIG. 4 shows the measurement results when the magnetic bodies 40, 40... Are not skewed, that is, when the magnetic bodies 40, 40... Are arranged parallel to the axial length direction of the stator 4.
- the broken line shows the result when the skew arrangement shown in FIG. 3 is performed.
- the output torque of the rotating shaft 12 fluctuates greatly according to the change in the rotation angle when there is no skew arrangement indicated by the solid line, whereas the output torque fluctuates when there is a skew arrangement indicated by the broken line.
- the output torque indicated by the broken line is slightly smaller than the output torque indicated by the solid line, and it can be seen that the torque density decreases due to the skew arrangement, but the amount of decrease is slight.
- the invention includes not only a skew arrangement of the magnetic bodies 40, 40, but also a configuration in which the magnets 10, 10,... Of the outer rotor 1 and the magnets 20, 20,. In this case, the magnetic bodies 40, 40... Are arranged without being skewed parallel to the axial length direction of the stator 4.
- FIG. 5 is a diagram showing the relationship between the skew amount and the transmission torque, and shows the measurement result of the output torque output to the rotating shaft 12 when a constant rotating torque is input to the rotating shaft 21 as in FIG. Yes.
- the horizontal axis in FIG. 5 indicates the rotation angle of the rotary shaft 12, and the vertical axis indicates the output torque.
- a to F in FIG. 5 show the results when various amounts of circumferential displacement (hereinafter referred to as skew amount X) between one end and the other end of the magnetic body 40 in the axial length direction are changed.
- the skew amount X (the amount of displacement in the circumferential direction between one end and the other end in the axial length direction) of the magnetic bodies 40, 40... Is equal to the parallel pitch P of the magnetic bodies 40, 40. 1/12 to 1/4 (more preferably 1/8 to 1/4) is appropriate, and the skew placement under these conditions effectively reduces cogging torque while suppressing a decrease in torque density. Reduction can be achieved, and power transmission at a high torque density can be performed under small torque fluctuations.
- FIG. 6 is a longitudinal sectional view schematically showing the magnetic gear device according to the second embodiment.
- the inner rotor 2 has a plurality of magnets 20 arranged on the outer periphery in the same manner as in the first embodiment. While constituting the inner magnet cylinder, the outer rotor 1 is held by a non-magnetic holding body (not shown) in which a plurality of magnetic bodies 14 are arranged at equal intervals in the circumferential direction. A magnetic cylinder is formed.
- stator 4 forms an outer magnet cylinder by equally arranging a plurality of magnets 42 on the inner periphery of the housing 3.
- the support structure of the outer rotor 1 and the inner rotor 2 is the same as that of the first embodiment, and the corresponding constituent members are denoted by the same reference numerals as those in FIG.
- the inner rotor 2 as an inner magnet cylinder, the stator 4 as an outer magnet cylinder, and the outer rotor 1 as a magnetic cylinder interposed therebetween are coaxial.
- magnets 20, 20... Equally arranged on the outer periphery are arranged side by side on the outer rotor 1.
- the rotational torque of the inner rotor 2 is transmitted to the outer rotor 1 and is taken out by the rotating shaft 12 of the outer rotor 1.
- the magnetic bodies 14, 14... Arranged in parallel to the outer rotor 1 are skewed with a skew amount corresponding to 1/12 to 1/4 of the parallel pitch.
- cogging torque can be reduced.
- the magnets 20, 20... Equally arranged on the inner rotor 2 and the magnets 42, 42... Equally arranged on the stator 4 are skewed in the same direction, and the respective skew amounts of the magnetic bodies 14, 14.
- Cogging torque can also be reduced by setting the pitch to 1/12 to 1/4 of the parallel pitch.
- the inner magnet cylinder and the magnetic cylinder are the rotor and the outer magnet cylinder is the stator.
- the inner magnet cylinder is the stator
- the outer magnet cylinder and the magnetic cylinder are the rotor. It may be configured to.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
Description
2 内側回転子
4 固定子
10 磁石
12 回転軸
20 磁石
21 回転軸
40 磁性体
Claims (3)
- 外周に複数の磁石を並設してある円筒形の内側磁石筒、内周に複数の磁石を並設してある円筒形の外側磁石筒、及び周方向に等間隔を隔てて複数の磁性体を並設してある円筒形の磁性体筒を、該磁性体筒を前記内側磁石筒と前記外側磁石筒との間に介在させて同軸上に支持し、前記内側磁石筒、外側磁石筒及び磁性体筒のいずれか2つを回転子とし、残りの1つを固定子として回転トルクを伝達する磁気歯車装置において、
前記磁性体は、前記磁性体筒の軸長方向に延びる棒状をなし、軸長方向の一端と他端との間で、周方向の並設ピッチの1/12~1/4に相当する周方向の位置ずれ量を有してスキュー配置してあることを特徴とする磁気歯車装置。 - 外周に複数の磁石を並設してある円筒形の内側磁石筒、内周に複数の磁石を並設してある円筒形の外側磁石筒、及び周方向に等間隔を隔てて複数の磁性体を並設してある円筒形の磁性体筒を、該磁性体筒を前記内側磁石筒と前記外側磁石筒との間に介在させて同軸上に支持し、前記内側磁石筒、外側磁石筒及び磁性体筒のいずれか2つを回転子とし、残りの1つを固定子として回転トルクを伝達する磁気歯車装置において、
前記磁性体は、前記磁性体筒の軸長方向に対して平行に延びる棒状をなしており、
前記内側磁石筒及び外側磁石筒の磁石は、軸長方向の一端と他端との間で夫々の周方向に同じ向きの位置ずれを有してスキュー配置してあることを特徴とする磁気歯車装置。 - 前記内側磁石筒及び外側磁石筒の磁石の位置ずれ量は、前記磁性体筒の周上での前記磁性体の並設ピッチの1/12~1/4に設定してあることを特徴とする請求項2に記載の磁気歯車装置。
Priority Applications (2)
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JP2015541474A JP6213573B2 (ja) | 2013-10-09 | 2014-08-29 | 磁気歯車装置 |
US15/027,880 US10050510B2 (en) | 2013-10-09 | 2014-08-29 | Magnetic gear device |
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JP2013-212114 | 2013-10-09 | ||
JP2013212114 | 2013-10-09 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001037113A (ja) * | 1999-07-23 | 2001-02-09 | Seiko Instruments Inc | ブラシレスモータ |
JP2009027777A (ja) * | 2007-07-17 | 2009-02-05 | Jtekt Corp | 永久磁石型ブラシレスモータ |
WO2009087409A1 (en) * | 2008-01-11 | 2009-07-16 | Magnomatics Limited | Drives for sealed systems |
JP2011033166A (ja) * | 2009-08-05 | 2011-02-17 | Mitsubishi Electric Corp | 磁気ギヤおよびそれを搭載した車両 |
JP2012005218A (ja) * | 2010-06-16 | 2012-01-05 | Meidensha Corp | ブラシレスモータ |
WO2013001557A1 (ja) * | 2011-06-27 | 2013-01-03 | 株式会社 日立製作所 | 磁気歯車型回転電機 |
WO2013011809A1 (ja) * | 2011-07-15 | 2013-01-24 | 日立金属株式会社 | 磁気ギア装置 |
JP2013047546A (ja) * | 2011-08-29 | 2013-03-07 | Nissei Corp | 磁気歯車装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0828293B2 (ja) * | 1987-04-07 | 1996-03-21 | 日立金属株式会社 | 円筒状永久磁石、それを用いたモータ及びその製造方法 |
JPH0374164A (ja) | 1989-08-14 | 1991-03-28 | Hitachi Ltd | 電動機 |
JP4089527B2 (ja) * | 2003-06-27 | 2008-05-28 | 三菱電機株式会社 | 永久磁石式回転電機 |
GB0800463D0 (en) * | 2008-01-11 | 2008-02-20 | Magnomatics Ltd | Magnetic drive systems |
GB0900022D0 (en) * | 2009-01-05 | 2009-02-11 | Rolls Royce Plc | Management gear arrangement |
US8598759B2 (en) * | 2010-01-19 | 2013-12-03 | Rolls-Royce Plc | Magnetic gear arrangement |
JP5835215B2 (ja) * | 2010-05-17 | 2015-12-24 | 日立金属株式会社 | カップリング装置 |
-
2014
- 2014-08-29 US US15/027,880 patent/US10050510B2/en active Active
- 2014-08-29 WO PCT/JP2014/072707 patent/WO2015053005A1/ja active Application Filing
- 2014-08-29 JP JP2015541474A patent/JP6213573B2/ja active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001037113A (ja) * | 1999-07-23 | 2001-02-09 | Seiko Instruments Inc | ブラシレスモータ |
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Also Published As
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US20160241123A1 (en) | 2016-08-18 |
JP6213573B2 (ja) | 2017-10-18 |
US10050510B2 (en) | 2018-08-14 |
JPWO2015053005A1 (ja) | 2017-03-09 |
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