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1. 发明专利

JP2013243933A Spindle motor including fluid dynamic pressure bearing device and fixed shaft 有权
标题翻译：主轴电机，包括流体动力轴承装置和固定轴
公开(公告)号：JP2013243933A
公开(公告)日：2013-12-05
申请号：JP2013178259
申请日：2013-08-29
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： WINTERHALTER OLAF , WILDPRETH MATTHIAS , FUSS THOMAS , POPOV VLADIMIR VLADIMIROVICH , FLEIG JUERGEN , BAUER MARTIN , SCHMID GUIDO , MARTIN ENGESSER , STEFAN SCHWAMBERGER
IPC分类号： H02K5/16 , F16C17/10 , F16C33/74 , H02K7/08
CPC分类号： F16C33/745 , F16C17/107 , F16C33/1085 , F16C2370/12 , H02K5/1677
摘要： PROBLEM TO BE SOLVED: To provide a spindle motor including a fluid dynamic pressure bearing device with a fixed shaft attached to both end parts, and consisting only of a small number of components which can be manufactured relatively simply.SOLUTION: The spindle motor includes a fluid dynamic pressure bearing device including rotor components (14) surrounding a fixed shaft (12). The shaft is coupled with bearing components (16;18) facing the axial direction at both end parts. These bearing components are molded to form capillary seal gaps (32;34) sealing the fluid dynamic pressure bearing device having both open sides, and an arbitrary selection dynamic pumping seal (36). A circulation passage (28) interconnecting regions of the bearing device separated from each other and filled with a bearing fluid, and electromagnetic drive units (42, 44) for driving the rotor components are provided.
摘要翻译：要解决的问题：提供一种主轴电动机，其包括具有附接到两个端部的固定轴的流体动压轴承装置，并且仅由少数可以相对简单地制造的部件构成。解决方案：主轴电动机包括流体动压轴承装置包括围绕固定轴（12）的转子部件（14）。轴与在两个端部处面向轴向方向的轴承部件（16; 18）联接。模制这些轴承部件以形成密封具有两个开口侧面的流体动压轴承装置和任意选择动态泵送密封件（36）的毛细管密封间隙（32; 34）。提供了将彼此分离并填充有轴承流体的轴承装置的互连区域的循环通道（28）以及用于驱动转子部件的电磁驱动单元（42,44）。

2. 发明专利

JP2008106938A Spindle motor with radial bearing and thrust bearing 审中-公开
标题翻译：带有径向轴承和轴承的主轴电机
公开(公告)号：JP2008106938A
公开(公告)日：2008-05-08
申请号：JP2007260979
申请日：2007-10-04
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： ENGESSER MARTIN , SCHWAMBERGER STEFAN , PULNIKOV ANDREY , POPOV VLADIMIR VLADIMIROVICH
IPC分类号： F16C32/04 , F16C17/02 , F16C32/00 , H02K7/09
CPC分类号： F16C17/026 , F16C25/045 , F16C32/0402 , F16C32/0427 , H02K7/085 , H02K7/09
摘要： PROBLEM TO BE SOLVED: To provide a spindle motor having a bearing device reducing bearing friction and thereby reducing the power consumed by the motor.
SOLUTION: The spindle motor has a radial bearing, and a fixed part and a rotating part which are relatively rotatably supported by the thrust bearing. The radial bearing comprises a fluid bearing and the rotating part is driven by an electromagnetic drive. The thrust bearing comprises a magnetic bearing. The magnetic bearing is adapted to produce a force in a direction opposite to magnetic preload.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有轴承装置的主轴电机，其减小轴承摩擦，从而减少电机消耗的功率。
解决方案：主轴电机具有径向轴承，以及由推力轴承相对可旋转地支撑的固定部分和旋转部件。径向轴承包括流体轴承，旋转部分由电磁驱动驱动。推力轴承包括一个磁性轴承。磁轴承适于产生与磁预负荷相反方向的力。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2004173491A Rotor device for electric machine, and permanent magnet motor 审中-公开
公开(公告)号：JP2004173491A
公开(公告)日：2004-06-17
申请号：JP2003383402
申请日：2003-11-13
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： BORSAI PETER , POPOV VLADIMIR VLADIMIROVICH
IPC分类号： H02K1/22 , H02K1/27 , H02K21/16
CPC分类号： H02K1/2773
摘要： PROBLEM TO BE SOLVED: To provide a rotor for an electric machine which can eliminate or reduce a cogging torque and has a buried magnet.
SOLUTION: This rotor device for an electric machine is equipped with a roughly cylindrical rotor main body 18 which has an inner opening 62 and permanent magnets 20-30 and 20'-30' which are arranged in the slots made in the main body 18. The slot 58 elongates toward the periphery of the main body 18 from the inner opening 62. At least one of the slots 58 possesses ends 44-54 which have regions with their widths enlarged in the vicinity of the periphery of the main body 18.
COPYRIGHT: (C)2004,JPO

4. 发明专利

JP2009136143A Spindle motor equipped with fluid dynamic pressure bearing unit and fixed shaft 有权
标题翻译：配有流体动力压力轴承单元和固定轴的主轴电机
公开(公告)号：JP2009136143A
公开(公告)日：2009-06-18
申请号：JP2008306756
申请日：2008-12-01
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： WINTERHALTER OLAF , WILDPRETH MATTHIAS , FUSS THOMAS , POPOV VLADIMIR VLADIMIROVICH , FLEIG JUERGEN , BAUER MARTIN , SCHMID GUIDO
IPC分类号： H02K7/08 , F16C17/10 , F16C33/10 , F16C33/74 , F16C35/10 , F16J15/44 , F16J15/447
CPC分类号： F16C33/745 , F16C17/107 , F16C33/1085 , F16C2370/12 , H02K5/1677
摘要： PROBLEM TO BE SOLVED: To provide a spindle motor which includes a fluid dynamic pressure bearing unit having a fixed shaft fitted to both end portions of the bearing unit and is composed of a few components that can be manufactured relatively simply. SOLUTION: The spindle motor is equipped with the fluid dynamic pressure bearing unit including a rotor component (14) encircling the fixed shaft (12). The shaft (12) is coupled to axially directed bearing components (16 ; 18) at both end portions of the shaft (12). These bearing components (16 ; 18) are so molded as to form a capillary seal gap (32 ; 34) for sealing the fluid dynamic pressure bearing unit whose both sides are open and, in optional selection, to form a dynamic pumping seal (36). The bearing components (16 ; 18) include a circulating passage (28) which connects separated areas of the bearing unit to each other and is filled with a bearing fluid, and electromagnetic drive units (42, 44) which drive the rotor component (14). COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种主轴电机，其包括具有安装在轴承单元的两个端部的固定轴的流体动压轴承单元，并且由相对简单地制造的几个部件组成。解决方案：主轴电机配备有包围环绕固定轴（12）的转子部件（14）的流体动压轴承单元。轴（12）在轴（12）的两个端部处联接到轴向定向的轴承部件（16; 18）。这些轴承部件（16; 18）被模制成形成毛细管密封间隙（32; 34），用于密封流体动压轴承单元，其两侧都是打开的，并且在可选的选择中形成动态泵送密封件）。轴承部件（16; 18）包括将轴承单元的分离区彼此连接并且填充有轴承流体的循环通道（28），以及驱动转子部件（14）的电磁驱动单元（42,44））。版权所有（C）2009，JPO＆INPIT

5. 发明专利

JP2007330095A Claw pole stator for stepping motor, and claw pole stepping motor 审中-公开
标题翻译：用于步进电机的CLAW POLE定子和CLAW POLE步进电机
公开(公告)号：JP2007330095A
公开(公告)日：2007-12-20
申请号：JP2007151915
申请日：2007-06-07
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： POPOV VLADIMIR VLADIMIROVICH , SCHNEIDER HELMUT
IPC分类号： H02K37/14 , H02K37/04
CPC分类号： H02K1/145 , H02K37/14
摘要： PROBLEM TO BE SOLVED: To provide a claw pole stator for a stepping motor optimized for a magnetic characteristic, and a claw pole stepping motor.
SOLUTION: First and second claw pole thin plates are provided with respective yokes and pole claws and the same number of pole claws and pole gaps, and are coaxially disposed. The pole claw on the first claw pole thin plate is engaged with the pole gap on the second claw pole thin plate. An annular coil is provided between the first and second claw pole thin plates. In the claw pole stator for the stepping motor, the pole claw on the first claw pole thin plate is coupled to the yoke, has a substantial trapezoidal shape, and is divided into a plurality of sections including a first section narrowed as a distance between the yokes is increased and a second section having a substantial rectangular shape following a base.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于针对磁特性优化的步进电机的爪极定子和爪极步进电动机。解决方案：第一和第二爪极薄板设有相应的轭和极爪以及相同数量的极爪和极间隙，同轴设置。第一爪极薄板上的极爪与第二爪极薄板上的极间隙接合。环状线圈设置在第一和第二爪极薄板之间。在用于步进电动机的爪极定子中，第一爪极薄板上的极爪耦合到轭，具有大致的梯形形状，并且被分成多个部分，所述多个部分包括被缩小为磁轭增加，第二部分具有大致矩形形状的基部。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2009254228A Electromechanical motor 有权
标题翻译：电动马达
公开(公告)号：JP2009254228A
公开(公告)日：2009-10-29
申请号：JP2009083884
申请日：2009-03-31
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SCHNEIDER HELMUT , SCHMID GUIDO , TRIETZ THOMAS , POPOV VLADIMIR VLADIMIROVICH
IPC分类号： H02N2/00
CPC分类号： H02N2/04
摘要： PROBLEM TO BE SOLVED: To provide an electromechanical motor which is compact and is simple of structure, and besides in which individual constructional elements belonging to the motor can be easily assembled.
SOLUTION: The motor includes a stator (14), which includes a frame (18) for holding a drive mechanism (20), and a movable body (16), which is arranged to make a parallel motion to the stator (14), being controlled by the drive mechanism (20). The drive mechanism (20) includes an electromechanical driver (22), which extends in the direction of parallel motion, and a motive power transmitter(24), which transmits the motion of the driver (22) to the movable body (16). The movable body (16) includes a carrier (26) and a drive rail (28). The drive rail (28) extends in the direction of parallel motion, and it cooperates with the motive power transmitter (24), and the drive rail (28) is held at both ends by the carrier (26), and bearings (34 and 36), which bear the movable body (16), are formed between the carrier (26) and the frame (18).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种紧凑且结构简单的机电马达，并且除了可以容易地组装属于马达的各个结构元件。解决方案：电动机包括定子（14），其包括用于保持驱动机构（20）的框架（18）和可移动体（16），其被布置成平行运动到定子 14），由驱动机构（20）控制。驱动机构（20）包括沿着平行运动的方向延伸的机电驱动器（22）和将驱动器（22）的运动传递到可移动体（16）的动力传递器（24）。可移动体（16）包括载体（26）和驱动轨道（28）。驱动轨道（28）沿平行运动方向延伸，并与动力传动器（24）配合，驱动轨道（28）由托架（26）保持在两端，轴承（34和承载移动体（16）的支承件（36）形成在载体（26）和框架（18）之间。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2005237191A Motor 审中-公开
标题翻译：发动机
公开(公告)号：JP2005237191A
公开(公告)日：2005-09-02
申请号：JP2005015029
申请日：2005-01-24
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： POPOV VLADIMIR VLADIMIROVICH
IPC分类号： H02K1/12 , H02K1/14 , H02K1/18 , H02K1/27 , H02K7/08 , H02K16/02 , H02K21/12
CPC分类号： H02K7/083 , H02K1/148 , H02K1/187 , H02K1/2786
摘要： PROBLEM TO BE SOLVED: To provide a motor which is readily manufactured at a low cost, by effectively utilizing magnetic energy. SOLUTION: A motor 40 comprises a stator unit 20, arranged concentrically with a rotating shaft 14 of the motor and a rotor unit 30 which is arranged concentrically with the rotating shaft 14. The stator unit 20 comprises a plurality of independent stator core members 5, arranged annularly around the rotating shaft 14 by a core inside-periphery side support ring part 3 and a core outside-periphery side support ring part 4, and the stator core member 5 bears a strang 13, constituted so as to generate a magnetic field in the radial direction. The rotor unit 30 is composed of permanent magnets 7a and 7b, magnet retainers 8a and 8b, and a rotor support mechanism 9 for concentrically enclosing the stator unit 20, while forming an outer-periphery side gap 18b and/or an inner-periphery side gap 18a. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过有效利用磁能来提供容易以低成本制造的电动机。解决方案：电动机40包括与电动机的旋转轴14同心设置的定子单元20和与转轴14同心设置的转子单元30.定子单元20包括多个独立的定子芯芯体内周侧支撑环部3和芯部外周侧支撑环部4围绕旋转轴14环状地配置的构件5，定子铁心构件5具有杆13，构成为能够产生径向磁场。转子单元30由永磁体7a，7b，磁铁保持器8a，8b，以及用于同心地包围定子单元20的转子支撑机构9构成，同时形成外周侧间隙18b和/或内周侧间隙18a。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004254496A Rotor assembly for motor, stator assembly for motor, permanent magnet motor, and motor 审中-公开
标题翻译：电机转子总成，电机，永磁电机和电机定子总成
公开(公告)号：JP2004254496A
公开(公告)日：2004-09-09
申请号：JP2004025263
申请日：2004-02-02
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： POPOV VLADIMIR VLADIMIROVICH
IPC分类号： H02K1/22 , H02K1/14 , H02K1/16 , H02K1/27 , H02K21/14 , H02K29/03
CPC分类号： H02K1/2766 , H02K1/146 , H02K29/03 , H02K2201/06
摘要： PROBLEM TO BE SOLVED: To provide a rotor assembly for a motor which improves motor efficiency and reduces cogging torque.
SOLUTION: The rotor assembly for the motor comprises a nearly cylindrical rotor body having a nearly cylindrical surface facing a clearance between the rotor assembly and a stator of the motor, and a permanent magnet inserted and fitted to the rotor body. A notch 20 is formed on the opposite surface of the rotor body to the clearance from the stator to control the distribution of magnetic flux generated by the permanent magnet.
COPYRIGHT: (C)2004,JPO&NCIPI
摘要翻译：要解决的问题：提供一种电动机的转子组件，其提高电动机效率并减少齿槽转矩。解决方案：用于电动机的转子组件包括几乎圆柱形的转子体，其具有面对转子组件和电动机的定子之间的间隙的近似圆柱形表面，以及插入并安装到转子体上的永磁体。在转子体的相对表面上形成有与定子的间隙的凹口20，以控制由永磁体产生的磁通的分布。版权所有（C）2004，JPO＆NCIPI

9. 发明专利

JP2004173490A Rotor device for electric machine, and permanent magnet motor 有权
公开(公告)号：JP2004173490A
公开(公告)日：2004-06-17
申请号：JP2003383401
申请日：2003-11-13
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： BORSAI PETER , POPOV VLADIMIR VLADIMIROVICH
IPC分类号： H02K1/22 , H02K1/27 , H02K21/16
CPC分类号： H02K1/2766
摘要： PROBLEM TO BE SOLVED: To provide a rotor for an electric machine which can eliminate or reduce a cogging torque and has a buried magnet.
SOLUTION: This rotor device for an electric machine is equipped with a roughly cylindrical main body 18 which has an inner opening and permanent magnets 20-30 and 20'-30' which are buried in the main body 18. Here, the inner opening is made to mount the main body 18 coaxially on a shaft 14. At least one of the permanent magnets is divided into at least two magnet parts 20-30 and 20-30'. The magnet part extends toward the periphery of the main body 18 from the vicinity of the inner opening, and is inclined to a neutral line which extends in the radial direction of the main body 18.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2009144922A Thrust magnetic bearing and spindle motor provided with thrust magnetic bearing 审中-公开
标题翻译：推力磁轴承和主轴电机
公开(公告)号：JP2009144922A
公开(公告)日：2009-07-02
申请号：JP2008313866
申请日：2008-12-10
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： POPOV VLADIMIR VLADIMIROVICH , SCHWAMBERGER STEFAN , BAUER MARTIN , SCHMID GUIDO
IPC分类号： F16C32/04 , F16C17/02 , H02K7/09 , H02K21/22
CPC分类号： F16C39/063 , F16C17/02 , F16C17/026 , F16C32/0402 , F16C32/0419 , F16C33/107 , F16C33/74 , F16C2370/12 , H02K5/1675 , H02K7/085 , H02K7/09
摘要： PROBLEM TO BE SOLVED: To provide a thrust magnetic bearing adapted to thoroughly and singly receive axial force generated in an electric motor, and especially, preferably utilized for a spindle motor provided to a small disk drive device. SOLUTION: This thrust magnetic bearing includes: a first bearing constructional member composed of at least one permanent magnet and at least two magnetic flux guiding members allocated to the permanent magnet and arranged in a radial direction and a perpendicular direction with respect to a rotating shaft while being arranged at the opposed ends of the permanent magnet; and a second bearing constructional member composed of two magnetic flux guiding members 32, 132 arranged in the radial direction and perpendicular direction with respect to the rotating shaft while being axially arranged at intervals. The magnetic flux guiding members 32, 132 belonging to the second bearing constructional member is radially directly opposed to the magnetic flux guiding member with a gap 34 while being allotted to the magnetic flux guiding members 28, 128 belonging to the first bearing constructional member. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种适于完全和单独地接收在电动机中产生的轴向力的推力磁轴承，特别是优选地用于设置在小型盘驱动装置上的主轴电动机。解决方案：该推力磁轴承包括：由至少一个永磁体和至少两个分配给永磁体并且沿径向和垂直方向布置的磁通引导构件构成的第一轴承结构构件旋转轴，同时布置在永磁体的相对端; 以及第二轴承构造构件，其由相对于旋转轴沿径向和垂直方向布置的两个磁通量引导构件32,132组成，同时间隔地轴向布置。属于第二轴承构造构件的磁通引导构件32,132在被分配给属于第一轴承构造构件的磁通引导构件28,128的同时具有间隙34而与具有间隙34的磁通引导构件径向直接相对。版权所有（C）2009，JPO＆INPIT

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