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1. 发明申请

US20180198326A1 OUTER ROTOR TYPE BRUSHLESS MOTOR 审中-公开
公开(公告)号：US20180198326A1
公开(公告)日：2018-07-12
申请号：US15914310
申请日：2018-03-07
申请人： MINEBEA CO., LTD.
发明人： Akio ANDO , Hirotaka SATO , Toshiyuki NISHIKATA
IPC分类号： H02K1/14 , H02K21/22 , H02K1/18 , H02K7/09
CPC分类号： H02K1/146 , H02K1/187 , H02K7/09 , H02K21/22 , H02K21/222
摘要： A motor includes a rotor frame; a shaft; first and second rotor magnets that are coupled with the shaft, formed separately, and spaced apart in an axial direction of the shaft; a stator portion having a stator core, a winding around the stator core, and a plurality of first salient pole portions; a torque holding portion facing the rotor magnets in a radial direction, being arranged between the rotor frame and the stator portion in the axial direction of the shaft, and having a plurality of second salient pole portions; and a circuit board arranged, in the axial direction of the shaft, on a side of the stator portion opposite the rotor frame. An electronic component is arranged at the circuit board.

2. 发明申请

US20160065017A1 BRUSHLESS MOTOR 有权
标题翻译：无刷电机
公开(公告)号：US20160065017A1
公开(公告)日：2016-03-03
申请号：US14790415
申请日：2015-07-02
申请人： MINEBEA CO., LTD.
发明人： Yuta AMAGI , Ryoji SANESHIGE , Toshiyuki NISHIKATA
IPC分类号： H02K1/27
CPC分类号： H02K7/106 , H02K21/22 , H02K29/03
摘要： The invention provides a brushless motor. A stator 16 of the brushless motor has a stator core 17 provided with a plurality of salient poles 18 arranged in its a circumferential direction, and a winding wire 20 wound around the plurality of salient poles 18 through an insulator 19. A rotor 22 of the brushless motor has a tubular rotor yoke 23 arranged to surround the stator 16, an annular magnet for detent torque 25 arranged in an inner peripheral portion of the winding wire 20 on the stator core 17 and surrounding the shaft 15, and a magnetic member 27 coupled to an interior surface of a ceiling portion of the rotor yoke 23 to be opposed to the magnet for detent torque 25, and surrounding the shaft 15.
摘要翻译：本发明提供一种无刷电动机。无刷电动机的定子16具有设置有沿圆周方向配置的多个凸极18的定子铁心17和通过绝缘体19缠绕在多个凸极18周围的绕组线20.一个转子22 无刷电动机具有布置成围绕定子16的管状转子轭23，用于定子转矩25的环形磁体，其布置在定子铁芯17上的绕组线20的内周部分中并围绕轴15;以及磁性构件27，到转子轭23的顶部的内表面，以与止动扭矩25的磁体相对，并围绕轴15。

3. 发明申请

US20140185423A1 DISK ROTATING MOTOR AND DISK DRIVE DEVICE PROVIDED WITH THE SAME 审中-公开
标题翻译：旋转电机和磁盘驱动器件同时提供
公开(公告)号：US20140185423A1
公开(公告)日：2014-07-03
申请号：US14199797
申请日：2014-03-06
申请人： MINEBEA CO., LTD.
发明人： Tsuyoshi ISHIDA , Okihisa TSUCHIE , Toshiyuki NISHIKATA
IPC分类号： G11B19/20
CPC分类号： G11B19/2009 , G11B19/2036 , H02K5/16 , H02K15/14
摘要： A disk rotating motor is provided with: a stator including a stator core and a bracket for fixing the stator core; a rotor that can be rotated with respect to the stator and includes a rotary shaft; and a bearing that rotatably supports the rotary shaft on the outer diameter side of the rotary shaft, the bearing being supported by the bracket.The bracket includes a cylindrical portion extending along the rotary shaft, and a folded portion formed by folding the upper end of the cylindrical portion onto the outer diameter side such that at least a coaxial part of the folded portion extends coaxially along an outer surface of the cylindrical portion. The cylindrical portion and the folded portion are sandwiched by the stator core and the bearing in a radial direction.
摘要翻译：盘式旋转马达设有：定子，其包括定子芯和用于固定定子芯的托架; 能够相对于定子旋转并包括旋转轴的转子; 以及在所述旋转轴的外径侧可旋转地支撑所述旋转轴的轴承，所述轴承由所述支架支撑。支架包括沿着旋转轴延伸的圆柱形部分和折叠部分，该折叠部分通过将圆柱形部分的上端折叠到外径侧上而形成，使得折叠部分的至少一个同轴部分沿着该外部表面的外表面同轴地延伸圆柱形部分。圆柱部分和折叠部分被定子芯和轴承沿径向夹持。

4. 发明申请

US20130100794A1 DISK ROTATING MOTOR AND DISK DRIVE DEVICE PROVIDED WITH THE SAME 有权
标题翻译：旋转电机和磁盘驱动器件同时提供
公开(公告)号：US20130100794A1
公开(公告)日：2013-04-25
申请号：US13647755
申请日：2012-10-09
申请人： MINEBEA CO., LTD. , Minebea Motor Manufacturing Corporation
发明人： Tsuyoshi ISHIDA , Okihisa TSUCHIE , Toshiyuki NISHIKATA
IPC分类号： G11B25/02
CPC分类号： G11B19/2009 , G11B19/2036 , H02K5/16 , H02K15/14
摘要： A disk rotating motor is provided with: a stator including a stator core and a bracket for fixing the stator core; a rotor that can be rotated with respect to the stator and includes a shaft; and a bearing that rotatably supports the rotary shaft on the outer diameter side of the rotary shaft. The bracket includes a cylindrical portion extending along the shaft and a folded portion formed by folding the upper end of the cylindrical portion onto the outer diameter side. The bearing is fixed to the inner circumferential surface of the cylindrical portion whereas the stator core is fixed to the outer peripheral surface of the folded portion.
摘要翻译：盘式旋转马达设有：定子，其包括定子芯和用于固定定子芯的托架; 能够相对于定子旋转并包括轴的转子; 以及在旋转轴的外径侧可旋转地支撑旋转轴的轴承。支架包括沿着轴延伸的圆柱形部分和通过将圆柱形部分的上端折叠到外径侧而形成的折叠部分。轴承固定在圆筒部的内周面上，而定子芯固定在折叠部的外周面上。

5. 发明申请

US20130099623A1 DISK ROTATING MOTOR AND DISK DRIVE DEVICE PROVIDED WITH THE SAME 审中-公开
标题翻译：旋转电机和磁盘驱动器件同时提供
公开(公告)号：US20130099623A1
公开(公告)日：2013-04-25
申请号：US13657236
申请日：2012-10-22
申请人： MINEBEA CO., LTD. , MINEBEA MOTOR MANUFACTURING CORPORATION
发明人： Makoto TABATA , Kyo ABE , Toshiyuki NISHIKATA
IPC分类号： H02K1/18
CPC分类号： H02K1/187 , G11B19/2009 , H02K3/325 , H02K5/163 , H02K7/085 , H02K2205/03
摘要： A disk rotating motor is provided with: a bearing that rotatably supports a shaft on an outer-diameter side of the shaft; and a stator core that is fixed to an outer peripheral surface of the bearing. The stator core includes first and second plates laminated in an extension direction of the shaft. The first plate includes: a laminate laminated on the second plate in the extension direction of the shaft; and a bend bent from the laminate toward the second plate on an inner-diameter side of the laminate, the bend being in contact with the outer peripheral surface of the bearing.
摘要翻译：盘式旋转马达设置有：轴可旋转地支撑轴的外径侧的轴; 以及固定在所述轴承的外周面的定子铁芯。定子铁芯包括在轴的延伸方向上层压的第一和第二板。第一板包括：沿轴的延伸方向层压在第二板上的层压板; 以及在层叠体的内径侧从层叠体向第二板弯曲的弯曲部，弯曲部与轴承的外周面接触。

6. 发明申请

US20150084475A1 OUTER ROTOR TYPE BRUSHLESS MOTOR 有权
标题翻译：外转子式无刷电机
公开(公告)号：US20150084475A1
公开(公告)日：2015-03-26
申请号：US14479580
申请日：2014-09-08
申请人： MINEBEA CO., LTD.
发明人： Akio ANDO , Hirotaka SATO , Toshiyuki NISHIKATA
IPC分类号： H02K1/14 , H02K1/27
CPC分类号： H02K1/146 , H02K1/187 , H02K7/09 , H02K21/22 , H02K21/222
摘要： An outer rotor type brushless motor of the present invention comprises: a rotor portion having a rotor frame, a shaft, and a rotor magnet; a bearing housing; a stator portion facing the rotor magnet and having a stator core, a plurality of first salient pole portions extending toward the rotor magnet from the stator core, an insulation surrounding the first salient pole portion, and a winding around the first salient pole portion through the insulation; and a torque holding portion provided on an inner side of the outer circumference portion of the rotor frame and an outer circumference of the bearing housing, and having a plurality of second salient pole portions disposed coaxially with the stator core and extending toward the rotor magnet, where the first salient pole portions and the second salient pole portions are provided in different numbers.
摘要翻译：本发明的外转子式无刷电动机包括：具有转子架，转轴和转子磁体的转子部分; 轴承座; 定子部分，其面向转子磁体并具有定子芯，从定子芯向着转子磁体延伸的多个第一凸极部分，围绕第一凸极部分的绝缘体，以及围绕第一凸极部分的绕组绝缘; 以及转矩保持部，其设置在转子架的外周部的内侧和轴承壳体的外周，并且具有与定子铁芯同轴配置并朝向转子磁铁延伸的多个第二凸极部，其中第一凸极部分和第二凸极部分设置成不同的数字。

7. 发明申请

US20140042849A1 BRUSHLESS MOTOR 审中-公开
标题翻译：无刷电机
公开(公告)号：US20140042849A1
公开(公告)日：2014-02-13
申请号：US13955698
申请日：2013-07-31
申请人： MINEBEA CO., LTD.
发明人： Toshiyuki NISHIKATA , Kumio MASUDA
IPC分类号： H02K5/04
CPC分类号： H02K5/04 , H02K1/187 , H02K3/522 , H02K5/225 , H02K7/083 , H02K21/22
摘要： Reduction in size of a shape of a brushless motor of the outer rotor type having an outer case seen from the axial direction is realized.The brushless motor has an outer case 101, a rotor frame 107 which has a rotor magnet in an inner circumference thereof, and a shaft 105 which is fixed to the rotor frame 107 and which is held to the outer case 101 in a rotatable condition. The outer case 101 has a shape consisting of curved portions 102a and 102b, and linear portions 102c and 102d, seen from the axial direction.
摘要翻译：实现了具有从轴向看到的外壳的外转子型无刷电动机的形状的减小。无刷电动机具有外壳101，内周具有转子磁铁的转子架107和固定在转子架107上的可转动状态的外壳101的轴105。外壳101具有由弯曲部102a，102b以及从轴向观察的线状部102c，102d构成的形状。

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