WO2013099453A1 - 回転電機のロータ - Google Patents
回転電機のロータ Download PDFInfo
- Publication number
- WO2013099453A1 WO2013099453A1 PCT/JP2012/079208 JP2012079208W WO2013099453A1 WO 2013099453 A1 WO2013099453 A1 WO 2013099453A1 JP 2012079208 W JP2012079208 W JP 2012079208W WO 2013099453 A1 WO2013099453 A1 WO 2013099453A1
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- WIPO (PCT)
- Prior art keywords
- rotor
- rod
- core
- shaped member
- end plate
- Prior art date
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/278—Surface mounted magnets; Inset magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Definitions
- the present invention relates to a rotor of a rotating electrical machine including a rotor core formed by stacking core plates, and more particularly to a holding structure for the rotor core.
- a rotor of a rotating electrical machine in which an annular core plate formed by punching from an electromagnetic steel sheet is laminated to form a rotor core, and the rotor core is fixed to a rotor hub.
- an annular core plate is divided in the circumferential direction, and the divided core plate pieces are connected in the circumferential direction and laminated in the axial direction to form a rotor core.
- the rotor core 1 is formed by brick stacking in which the positions of the seams D of the core plate pieces 6 adjacent in the circumferential direction are alternately shifted.
- a plurality of pins 5 penetrating the rotor core 1 in the stacking direction are fixed to end plates 3 and 3 fixed to a rotor hub (not shown) while sandwiching both sides of the rotor core 1 by, for example, caulking. The improvement of the strength is attempted.
- each core plate piece 6 tries to move in the centrifugal force direction (F1 direction) due to the centrifugal force, but the pin 5 is at the end. Since it is fixed to the plates 3 and 3 and does not move, the pin 5 and each core plate piece 6 come into contact with each other, and a load F 1 acts on the pin 5.
- a reaction force F2 in which the end plates 3 and 3 press the pin 5 acts in the opposite direction to the load F1. Therefore, a strong shearing force is generated on the pin 5 at the mating surface position 7 between the end plates 3 and 3 and the rotor core 1, and it is necessary to increase the thickness of the pin 5 in order to ensure the strength that can withstand the shearing force.
- an object of the present invention is to provide a rotor of a rotating electrical machine that solves the above-described problems by reducing a load acting on a pin (bar-shaped member) penetrating a core plate piece.
- a plurality of arc-shaped core plate pieces (12) are connected to form an annular core plate (11), and a plurality of the core plates (11) are stacked, and the cores are stacked in the stacking direction.
- the circumferential direction positions of the joints (D1, D2, D3, D4, D5) to which the plate pieces (12) are connected are different for each predetermined number of sheets, and are aligned with the core plate pieces (12) in the stacking direction.
- a rotating electrical machine having a rotor core (10) in which rod-like members (19) are inserted into a plurality of through holes (20) formed and both side surfaces (e, f) in the stacking direction are sandwiched between end plates (32, 33) Rotors (30 1 , 30 2 , 30 3 , 30 4 ), The end plates (32, 33) and the core plate (11) are in contact with each other, The end plates (32, 33) and the rod-like member (19) do not contact at least on the radially outer side, which is the acting direction side of the centrifugal force acting on the rod-like member (19).
- the rod-shaped member that tries to move radially outward is not pressed by the end plate, and no load acts on the rod-shaped member from the end plate.
- the strength required for the rod-shaped member is low, and the rod-shaped member can be configured to be thin, so that the material cost of the rod-shaped member can be reduced.
- the radial dimension of each through hole and each core plate piece can be reduced, the material cost of the electromagnetic steel sheet and the like can be reduced, and the entire rotor can be reduced in size and weight. Furthermore, since the required dimension of the core plate piece in the radial direction is reduced, a space inside the rotor is widened, and a structure such as a gear is easily arranged inside the rotor.
- the said contact means the state which a load acts on a rod-shaped member.
- the rod-shaped member (19) restricts the movement of the rod-shaped member outward in the radial direction in the through hole (20) of the core plate piece (12) when the rotor rotates. To make contact.
- the rod-like member is held only by the rotor core and does not come into contact with other members, the load acting on the rod-like member can be reduced, and the rod-like member can be configured to be thin.
- the end plates (32, 33) are formed so as to have a space portion on the radially outer side of the rod-shaped member (19).
- the diameter dimension (b) of the rod-shaped member (19) is made smaller than the diameter dimension (h) of the through-hole (20), and the rod-shaped member (19) and the through-hole (20 ) was a clearance fit.
- the rod-shaped member can be configured to be thin.
- a predetermined gap (S) larger than the gap (i) of the gap fitting is provided between the rod-like member (19) and the end plates (32, 33) on the radially outer side.
- the rod-shaped member can move radially outward with respect to the end plate larger than the gap fitting gap, so that no load is applied from the end plate on the radially outer side of the rod-shaped member, and the rod-shaped member is narrowed. Can be configured.
- the rotor core (10) is mounted on a rotor hub (31) that is fixed to a rotating shaft and rotates integrally.
- the rotor core (10) and the end plates (32, 33) are fixed by a pressing portion (31c) provided on the rotor hub (31) via a pressing plate (35).
- the rotor core, end plate, holding plate, and rotor hub can be integrated and held, and the torque of the rotor core can be transmitted to the rotating shaft via the rotor hub.
- the pressing plate (35) has a circumferential dimension (a) larger than a diameter dimension (b) of the rod-shaped member (19) on one side in the stacking direction (a> b).
- the rod-shaped member (19) overlaps the end plate (32, 33) in the stacking direction and extends into the concave groove (35a), and the end plate (32, 33) and the concave
- the groove (35a) is arranged so as to have a predetermined gap (S) at least on the radially outer side.
- the end plate (32, 33) is provided with a hole (32a, 33a) having a diameter (j> b) larger than that of the rod-shaped member (19),
- the rod-shaped member (19) extends into the holes (32a, 33a) so as to have a predetermined gap (S) at least radially outside the holes (32a, 33a).
- the pressing plate (35) includes a first step portion (35c) in contact with the end plate (32, 33), and the rotor core (from the first step portion (35c)). 10) has a second step (35d) protruding to the side and receiving the rod-like member (19),
- the rod-shaped member (19) has a predetermined gap (S) at least radially outside the second step portion (35d) and the end plate (32, 33), and the end plate (32, 33) is arranged so as to overlap in the stacking direction.
- FIG. 1 is a schematic diagram illustrating a rotor according to a first embodiment of the present invention, where (a) is a partial view, (b) is a partial enlarged view, and (c) is a cross-sectional view taken along line AA.
- the schematic diagram which shows the non-rotation state of the rotor core which concerns on the 1st Embodiment of this invention.
- the schematic diagram which shows the rotation state of the rotor core which concerns on the 1st Embodiment of this invention.
- FIG. 5 is a schematic diagram showing a BB cross section in FIG. 4.
- FIG. 5 is a schematic diagram showing a CC cross section in FIG. 4.
- 4A and 4B are schematic views showing a rotor according to a second embodiment of the present invention, in which FIG. 5A is a partial view, FIG. 5B is a partial enlarged view, and FIG. FIG. 9 is a schematic diagram showing a rotor according to a third embodiment of the present invention, where (a) is a partial view, (b) is a partially enlarged view, and (c) is a GG sectional view thereof.
- It is a schematic diagram which shows the rotor which concerns on the 4th Embodiment of this invention, Comprising: (a) is a partial figure, (b) is the elements on larger scale.
- the radially outer side refers to the direction of the centrifugal force acting on the pins penetrating the rotor core
- the stacking direction is the direction in which the core plates are stacked, and the rotor core When attached to the rotor hub, it means the same direction as the axial direction of the rotating shaft.
- a rotor core 10 for an IPM (embedded magnet built-in synchronous) motor (rotating electric machine) has a cylindrical shape in which a plurality of annular core plates 11 are stacked. Is composed of a plurality of (in this embodiment, five) core plate pieces 12 equally divided in the circumferential direction in order to improve the material yield.
- the core plate piece 12 has a thin circular arc shape, and a protrusion 13 for connecting to the adjacent core plate piece 12 is formed at one end in the circumferential direction, and the other adjacent portion is adjacent to the other.
- a fitting portion 14 into which the protruding portion 13 of the core plate piece 12 is fitted is formed.
- the core plate 11 is formed in an annular shape by connecting a plurality of core plate pieces 12 having the same shape (5 in the present embodiment) to any one of the core plates 11 and overlapping (adjacent to each other) in the stacking direction. )
- the core plate 11 is laminated by brick stacking in which the circumferential position of the seam of the core plate pieces 12 is alternately shifted by a predetermined number (one layer in the present embodiment). For example, in FIG. 1, for convenience, when the core plates stacked from the bottom of the rotor core 10 are divided into odd layers and even layers, odd layers (odd core plates 11) and even layers (even core plates). 11), the seam positions of the adjacent core plate pieces 12 are different as viewed from the stacking direction.
- the seam of the odd-numbered core plate pieces 12 (for example, D1) and the seam of the even-numbered core plate pieces 12 (for example, E1) are laminated so as to be displaced by a half in the circumferential direction of the core plate pieces 12 (36 °). (Called brick masonry), the strength has been improved.
- the core plate piece 12 includes a magnet insertion hole 16 into which a permanent magnet 15 (see FIG. 2) such as a neodymium magnet is inserted, a crimping portion 17 that fastens the plurality of stacked core plates 11, and the magnet.
- a plurality of through-holes 20 formed on the inner peripheral side from the insertion hole 16 and into which pins (rod-like members) 19 (see FIG. 2) are inserted are formed in the circumferential direction.
- the magnet insertion hole 16, the caulking part 17, and the through hole 20 are aligned in the laminating direction when the core plates 11 are laminated, and the caulking part 17 is caulked after the core plates 11 are temporarily assembled.
- the rotor core 10 can maintain its shape without the core plates 11 falling apart.
- the rotor 30 fixed to a rotating shaft (not shown) with a rotor hub 31 that rotates integrally, the rotor hub 31 includes a cylindrical portion 31a, the diameter at one end of the cylindrical portion 31a A flange portion 31b formed extending in the direction and a pressing portion 31c formed at the other end are provided.
- the cylindrical portion 31 a is fitted with the inner diameter side of the rotor core 10, and the permanent magnet 15 is embedded in the magnet insertion hole 16 of the rotor core 10.
- the rotor core 10 is sandwiched between annular end plates 32 and 33 so as to close the magnet insertion holes 16 opened on both side surfaces e and f (one side surface e and the other side surface f) in the stacking direction.
- the end plates 32 and 33 are in contact with the core plates 11 located on both sides of the rotor core 10 in the stacking direction.
- a pressing plate 35 is interposed between the end plate 33 on the one side e side and the pressing portion 31c.
- the pressing plate 35 overlaps the end plate 33 in the radial direction, and is one side of the rotor core 10. It has a substantially annular shape that contacts e.
- the pressing plate 35 has an annular protruding portion 35b protruding toward the one side e of the rotor core 10, and a groove 35a is formed in the protruding portion 35b at predetermined intervals in the circumferential direction.
- the concave groove 35a penetrates the protruding portion 35b in the radial direction and has a certain predetermined width, and the circumferential dimension a of the width is set larger than the diameter dimension b of the pin 19 (a> b). ing.
- the pin 19 protrudes from both side faces e and f of the rotor core 10 and extends into the concave groove 35a and overlaps the end plates 32 and 33 in the stacking direction.
- the pin 19 is disposed so as not to contact the end plates 32 and 33 and the recessed groove 35a, and has a predetermined gap S between the end plates 32 and 33 on the radially outer side. That is, the end plates 32 and 33 are formed so as to have a space portion on the radially outer side of the pin 19.
- the diameter dimension b of the pin 19 is set smaller than the diameter dimension h of the through hole 20 (b ⁇ h), and the pin 19 and the through hole 20 are fitted in a gap.
- the rotor core 10 is clamped between the flange 31b of the rotor hub 31 and the pressing plate 35 via the end plates 32 and 33 by caulking the pressing portion 31c in the direction of the pressing plate 35, and the rotor hub 31 is fixed integrally.
- the rotor 30 since the above-described structure, the rotor 30 1, as shown in FIG. 3, the non-rotating state, the centrifugal force is not applied to the core plate pieces 12, each core plate pieces 12
- the circular shape of the core plate 11 is maintained by the connection, but in the rotating state, as shown in FIG. 4, a centrifugal force acts on each core plate piece 12, and the core plate 11 slightly moves in the centrifugal force direction. It will be in a state spread to.
- the centrifugal force direction of the core plate pieces 12 adjacent to each other in the stacking direction differs depending on the brick stack (for example, in the case of FIG.
- the odd layer has a centrifugal force in the M direction and the even layer has a centrifugal force in the L direction in the drawing.
- the core plate pieces 12 adjacent to each other in the circumferential direction try to move away from each other. Then, the pin 19 contacts the through-hole 20 formed in the core plate piece 12 on the different side in the circumferential direction for each odd layer and even layer.
- the pin 19 as shown in FIG. 5, and shear forces acting from circumferentially different side for each further when the rotor 30 1 is rotated, since the shearing force is applied uniformly in the different direction of action, the rotor core Only held by 10.
- the pins 19, the shear force from the above-mentioned circumferential direction different sides, radially outward a centrifugal force direction applied to the pin 19 Is arranged so that it does not contact with the through hole 20 and the end plates 32 and 33 of each core plate piece 12 in the radial direction.
- the pin 19 is not in contact with the end plates 32 and 33, the flange 31b of the rotor hub 31, and the pressing plate 35. However, as long as the pins 19 are not in contact with the end plates 32 and 33, the other members are substantially not rotated when the rotor is rotated. If a load does not act on the pin 19, it may contact.
- Rotor core 10 of the rotor 30 and second rotary electric machine, both side surfaces e, is sandwiched between the end plates 32, 33 so as to cover the entire f, the end plates 32 and 33, corresponding to the stacking direction position of each pin 19 A plurality of holes 32a and 33a are provided.
- the diameters j of the holes 32a and 33a are set larger than the diameter dimension b of the pin 19, and the pin 19 extends into the holes 32a and 33a without contacting the inner peripheral surface thereof. Yes.
- a predetermined gap S larger than the gap i (see FIG. 6) between the pin 19 and the through hole 20 is provided between the pin 19 and the end plates 32 and 33 on the radially outer side. ing.
- the pin 19 protrudes from both side surfaces e and f of the rotor core 10 and is disposed so as to overlap the end plates 32 and 33 in the stacking direction, and between the end plates 32 and 33 on the radially outer side. Is provided with a predetermined gap S larger than the gap i between the pin 19 and the through hole 20 (see FIG. 6).
- Pin 19 of the rotor 30 4 of the rotating electrical machine, the end surfaces 19a, 19b is, both sides e of the rotor core 10, and is formed such that f flush.
- the pressing plate 35 is disposed so as to be interposed between the end plate 33 and the pressing portion 31c, receives the end plate 33, and substantially receives a load on one side surface e of the rotor core 10 and one end surface 19a of the pin 19. It touches without acting.
- the present invention can be applied to a rotating electrical machine such as a brushless DC motor, and is particularly suitable for a rotating electrical machine used for an electric vehicle or a hybrid vehicle.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
Description
前記エンドプレート(32,33)と前記コアプレート(11)とは接触し、
前記エンドプレート(32,33)と前記棒状部材(19)とは、少なくとも前記棒状部材(19)に作用する遠心力の作用方向側である径方向外側において接触しない、ことを特徴とする。
前記ロータコア(10)及び前記エンドプレート(32,33)が、押さえプレート(35)を介して前記ロータハブ(31)に設けられた押さえ部(31c)によって固定されてなる。
前記棒状部材(19)が、前記エンドプレート(32,33)に対して前記積層方向にオーバーラップすると共に前記凹溝(35a)内に延出し、かつ前記エンドプレート(32,33)及び前記凹溝(35a)と少なくとも前記径方向外側において所定空隙(S)を有するように配置してなる。
前記棒状部材(19)が、前記孔(32a,33a)と少なくとも前記径方向外側において所定空隙(S)を有するように、前記孔(32a,33a)内に延出してなる。
前記棒状部材(19)は、前記第2の段部(35d)及び前記エンドプレート(32,33)と少なくとも前記径方向外側において所定空隙(S)を有するように、かつ前記エンドプレート(32,33)に対して前記積層方向にオーバーラップするように配置してなる。
11 コアプレート
12 コアプレート片
19 棒状部材(ピン)
19a,19b 両端面
20 貫通孔
301,302,303,304 ロータ
31 ロータハブ
31c 押さえ部
32,33 エンドプレート
32a,33a 孔
35 押さえプレート
35a 凹溝
35c 第1の段部
35d 第2の段部
a (凹溝の)周方向の寸法
b 棒状部材の直径寸法
e,f ロータコアの両側面
h 貫通孔の直径寸法
i 隙間
D1,D2,D3,D4,D5,E1 継ぎ目
S 所定空隙
Claims (9)
- 複数の円弧状のコアプレート片を連結して円環状のコアプレートを形成し、前記コアプレートが複数積層されると共に、その積層方向において前記コアプレート片が連結される継ぎ目の周方向位置が所定枚数毎に異なるように構成され、かつ前記各コアプレート片に積層方向に揃えられた複数の貫通孔に棒状部材が挿入されると共に、積層方向両側面がエンドプレートによって挟まれるロータコアを備えた回転電機のロータにおいて、
前記エンドプレートと前記コアプレートとは接触し、
前記エンドプレートと前記棒状部材とは、少なくとも前記棒状部材に作用する遠心力の作用方向側である径方向外側において接触しない、
ことを特徴とする回転電機のロータ。 - 前記棒状部材は、ロータ回転時において、前記コアプレート片の前記貫通孔に、前記棒状部材の前記径方向外側への動きを規制するように接触する、
請求項1記載の回転電機のロータ。 - 前記エンドプレートは、前記棒状部材の前記径方向外側に空間部を有するように形成される、
請求項1又は2記載の回転電機のロータ。 - 前記棒状部材の直径寸法を、前記貫通孔の直径寸法よりも小さくし、これら棒状部材及び貫通孔を隙間嵌めとした、
請求項1ないし3のいずれか記載の回転電機のロータ。 - 前記径方向外側における前記棒状部材と前記エンドプレートとの間に、前記隙間嵌めの隙間よりも大きい所定空隙を有してなる、
請求項4記載の回転電機のロータ。 - 前記ロータコアは、回転軸に固定されて一体に回転するロータハブに装着されて、
前記ロータコア及び前記エンドプレートが、押さえプレートを介して前記ロータハブに設けられた押さえ部によって固定されてなる、
請求項1ないし5のいずれか記載の回転電機のロータ。 - 前記押さえプレートは、前記積層方向一側に、周方向の寸法が前記棒状部材の直径寸法よりも大きい凹溝を備え、
前記棒状部材が、前記エンドプレートに対して前記積層方向にオーバーラップすると共に前記凹溝内に延出し、かつ前記エンドプレート及び前記凹溝と少なくとも前記径方向外側において所定空隙を有するように配置してなる、
請求項6記載の回転電機のロータ。 - 前記エンドプレートに、前記棒状部材よりも直径寸法が大きい孔を設け、
前記棒状部材が、前記孔と少なくとも前記径方向外側において所定空隙を有するように、前記孔内に延出してなる、
請求項6記載の回転電機のロータ。 - 前記押さえプレートが、前記エンドプレートと当接する第1の段部と、該第1の段部より前記ロータコア側に出っ張って、前記棒状部材を受け入れる第2の段部を有し、
前記棒状部材は、前記第2の段部及び前記エンドプレートと少なくとも前記径方向外側において所定空隙を有するように、かつ前記エンドプレートに対して前記積層方向にオーバーラップするように配置してなる、
請求項6記載の回転電機のロータ。
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CN201280044397.3A CN103797688B (zh) | 2011-12-27 | 2012-11-12 | 旋转电机的转子 |
DE112012003355.8T DE112012003355T5 (de) | 2011-12-27 | 2012-11-12 | Rotor einer Drehelektromaschine |
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JP2011286808A JP5633507B2 (ja) | 2011-12-27 | 2011-12-27 | 回転電機のロータ |
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JP (1) | JP5633507B2 (ja) |
CN (1) | CN103797688B (ja) |
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DE102013221643B4 (de) | 2013-10-24 | 2023-09-07 | Zf Friedrichshafen Ag | Rotor einer elektrischen Maschine |
JP6451402B2 (ja) * | 2015-02-27 | 2019-01-16 | アイシン・エィ・ダブリュ株式会社 | 回転電機用ロータ |
DE102019123434A1 (de) * | 2019-09-02 | 2021-03-04 | Schaeffler Technologies AG & Co. KG | Blechring für ein Rotorblechpaket eines Rotors einer elektrischen Maschine und Verfahren zur Herstellung eines Rotorblechpakets aus mehreren Blechringen |
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JPS63146441U (ja) * | 1987-03-13 | 1988-09-27 | ||
JP2007020386A (ja) * | 2005-06-08 | 2007-01-25 | Denso Corp | 回転電機 |
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JP2002262496A (ja) | 2001-03-05 | 2002-09-13 | Hitachi Ltd | 回転電機のコア構造 |
JP4110326B2 (ja) * | 2004-11-19 | 2008-07-02 | アイシン・エィ・ダブリュ株式会社 | ハイブリッド車用駆動装置 |
JP2007068310A (ja) * | 2005-08-30 | 2007-03-15 | Aisin Seiki Co Ltd | 回転機の積層巻きコア |
WO2008065830A1 (fr) * | 2006-11-27 | 2008-06-05 | Honda Motor Co., Ltd. | Dispositif permettant de produire un noyau de segment, procédé de production d'un noyau de segment et noyau de segment produit à l'aide de ce procédé |
WO2009093380A1 (ja) * | 2008-01-22 | 2009-07-30 | Kabushiki Kaisha Yaskawa Denki | 積層巻きコア及びこれを備えた回転子、回転電機 |
JP2010068569A (ja) * | 2008-09-09 | 2010-03-25 | Aisin Seiki Co Ltd | ステータ |
JP2011151877A (ja) | 2010-01-19 | 2011-08-04 | Aisin Seiki Co Ltd | 回転機の積層巻きコアおよびその製造方法 |
CN102005842B (zh) * | 2010-10-29 | 2012-08-08 | 中电电机股份有限公司 | 大型异步电机转子扇形片叠压结构 |
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2011
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2012
- 2012-11-07 US US13/670,928 patent/US9106116B2/en not_active Expired - Fee Related
- 2012-11-12 CN CN201280044397.3A patent/CN103797688B/zh not_active Expired - Fee Related
- 2012-11-12 DE DE112012003355.8T patent/DE112012003355T5/de not_active Ceased
- 2012-11-12 WO PCT/JP2012/079208 patent/WO2013099453A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56156346U (ja) * | 1980-04-21 | 1981-11-21 | ||
JPS63146441U (ja) * | 1987-03-13 | 1988-09-27 | ||
JP2007020386A (ja) * | 2005-06-08 | 2007-01-25 | Denso Corp | 回転電機 |
Also Published As
Publication number | Publication date |
---|---|
US20130162099A1 (en) | 2013-06-27 |
DE112012003355T5 (de) | 2014-04-24 |
JP5633507B2 (ja) | 2014-12-03 |
US9106116B2 (en) | 2015-08-11 |
JP2013135598A (ja) | 2013-07-08 |
CN103797688B (zh) | 2016-01-20 |
CN103797688A (zh) | 2014-05-14 |
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