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1. 发明专利

JP2012052569A Preload device of rolling ball bearing and motor having the preload device 有权
标题翻译：滚动球轴承的前置装置和具有前置装置的电动机
公开(公告)号：JP2012052569A
公开(公告)日：2012-03-15
申请号：JP2010193642
申请日：2010-08-31
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： TAKAHASHI HIROKI , SUZUKI YUZURU
IPC分类号： F16C25/08 , F16C19/06 , H02K7/08
CPC分类号： F16C19/06 , F16C25/083 , F16C2380/26
摘要： PROBLEM TO BE SOLVED: To provide a preload device of a rolling ball bearing which allows a preload spring to be easily handled and appropriately applies preload to the rolling ball bearing.SOLUTION: In a constant pressure preload structure 100 of a rolling ball bearing by a coil spring, the preload device includes a hollow elastic member, and two holders 103 inserted into openings at both sides of the elastic member, respectively. Each holder includes a flange part 106 configured to contact an end portion of the opening of the elastic member, into which the holder is inserted, to lock an extension of the elastic member in the elastic direction, and claw parts 104, 105 configured to engage with the other holder which is inserted through the opposite opening of the elastic member to lock separation from the other holder. The holders inserted from both sides of the elastic member are engaged to each other by the claw parts so that a length capable of applying a load required for the preload is held and the elastic member is exposed from the holders. The rolling ball bearing contacts the preload device only at an outer ring of the rolling ball bearing.
摘要翻译：要解决的问题：提供一种滚动轴承的预载装置，其允许容易处理预加载弹簧并且适当地向滚动轴承施加预载荷。解决方案：在通过螺旋弹簧的滚动滚珠轴承的恒压预加载结构100中，预载装置包括中空弹性构件和分别插入弹性构件两侧的开口中的两个保持件103。每个保持器包括：凸缘部分106，被配置为接触弹性构件的开口的端部，保持器插入到该端部中，以沿弹性方向锁定弹性构件的延伸部;以及构造成接合的爪部件104,105 而另一个保持器插入通过弹性构件的相对的开口以锁定与另一个保持器的分离。从弹性构件的两侧插入的保持器通过爪部彼此接合，从而保持能够施加预载所需负载的长度，并且弹性构件从保持器露出。滚珠轴承仅在滚动轴承的外圈接触预紧装置。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011160522A Brushless dc motor and axial fan using the same 审中-公开
标题翻译：无刷直流电动机和轴风扇使用相同
公开(公告)号：JP2011160522A
公开(公告)日：2011-08-18
申请号：JP2010018562
申请日：2010-01-29
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI , SAKAMOTO YOSHIKI
IPC分类号： H02K3/52 , H02K3/46 , H02K7/14
摘要： PROBLEM TO BE SOLVED: To provide a brushless DC motor which reduces a ripple in the output voltage of a Hall IC by holding a circuit board at an insulator without fail, and an axial fan using the brushless DC motor.
SOLUTION: The brushless DC motor includes a stator 8 equipped with an insulator 12 covering and insulating a stator core 11, a rotor 9, and a circuit board 25, wherein the circuit board 25 is held by and fixed to the insulator 12. In the motor, the insulator 12 is equipped with a cylindrical part and an arm which extends radially outward from the cylindrical part and covers the stator core 11. An engaging part 14d, in which an engaging claw 14e is formed, is formed in the cylindrical part, and the circuit board 25 and an elastic member 26 are interposed between the cylindrical part of the insulator 12 and the engaging claw 14e, and the circuit board 25 is held by and fixed to the insulator 12.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种无刷直流电动机，其通过将电路板保持在绝缘体上而不会使电路板保持在霍尔IC的输出电压中的波动，以及使用无刷直流电动机的轴流风扇。解决方案：无刷直流电动机包括：定子8，其具有覆盖并绝缘定子铁芯11的绝缘体12，转子9和电路板25，其中电路板25由绝缘体12保持并固定在电动机中，绝缘体12配备有从圆筒部径向向外延伸并覆盖定子芯11的圆筒部和臂。在其中形成有接合爪14e的接合部14d，圆柱形部分，并且电路板25和弹性构件26插入在绝缘体12的圆柱形部分和接合爪14e之间，并且电路板25被保持并固定到绝缘体12上。版权所有（ C）2011，JPO＆INPIT

3. 发明专利

JP2012029540A Single-phase brushless motor 审中-公开
标题翻译：单相无刷电机
公开(公告)号：JP2012029540A
公开(公告)日：2012-02-09
申请号：JP2010168841
申请日：2010-07-28
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： TAKAHASHI HIROKI , SUZUKI YUZURU
IPC分类号： H02K1/16 , H02K21/22
摘要： PROBLEM TO BE SOLVED: To provide a technology capable of reducing a cogging torque, while maintaining starting stability as a single-phase motor.SOLUTION: The single phase brushless motor is provided with a stator 10 where a salient pole 3 of an asymmetrical structure and a salient pole 4 of a symmetrical structure are arranged alternately in a circumferential direction when viewed from an axis direction. The starting stability is secured due to the left-right asymmetrical structure of the salient pole 3. The waveforms of cogging torques caused from the salient poles 3 and 4 which are different in structure are shifted, whereby the cogging torques are canceled out and the value thereof is reduced.
摘要翻译：要解决的问题：提供能够减小齿槽转矩的技术，同时保持作为单相电动机的起动稳定性。解决方案：单相无刷电动机设置有定子10，其中从轴向观察时，非对称结构的凸极3和对称结构的凸极4沿圆周方向交替布置。由于凸极3的左右不对称结构，确保起动稳定性。由结构不同的凸极3和4引起的齿槽转矩波形偏移，齿槽转矩被抵消，减少。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010196574A Fan apparatus 有权
标题翻译：风扇装置
公开(公告)号：JP2010196574A
公开(公告)日：2010-09-09
申请号：JP2009041856
申请日：2009-02-25
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI , SAKAMOTO YOSHIKI
IPC分类号： F04D29/58
CPC分类号： F04D25/0613 , F04D29/542
摘要： PROBLEM TO BE SOLVED: To provide a compact fan apparatus capable of increasing a flow rate and excellent in heat radiation properties of an axial-flow fan. SOLUTION: The fan apparatus 1 includes a circuit board holding part 3 connected to and supported at a axial center part of a cylindrical housing 2 by stationary blades 4, and a motor 8 at an upper end of the circuit board holding part 3, and blasts air by an impeller 12 joined to a shaft 10 of the motor 8. In the apparatus, a plurality of grooves 3a extending in the axial direction are formed at an outer circumference of the circuit board holding part 3, and a circuit board 7 is held at an inside of the circuit board holding part 3 in parallel with the axial direction. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够增加轴流风扇的流量和优异的散热性能的紧凑型风扇装置。解决方案：风扇装置1包括通过固定刀片4连接并支撑在圆筒形壳体2的轴向中心部分处的电路板保持部分3，以及在电路板保持部分3的上端处的电动机8 并且通过与电动机8的轴10接合的叶轮12吹送空气。在该装置中，在电路板保持部3的外周形成有沿轴向延伸的多个槽3a和电路板 7被保持在电路板保持部3的与轴向平行的内侧。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2012029515A Single-phase brushless motor 审中-公开
标题翻译：单相无刷电机
公开(公告)号：JP2012029515A
公开(公告)日：2012-02-09
申请号：JP2010167950
申请日：2010-07-27
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： TAKAHASHI HIROKI , SUZUKI YUZURU
IPC分类号： H02K1/14 , H02K29/00
CPC分类号： H02K1/146 , H02K29/03
摘要： PROBLEM TO BE SOLVED: To provide a technology capable of greatly reducing a cogging torque, while maintaining starting stability as a single-phase motor.SOLUTION: An outer rotor type single-phase brushless motor 1 includes: a rotor 4 provided with a plurality of magnetic poles; a stator 9 arranged at a gap apart from the rotor 4 and having the same number of salient poles 5 as the number of the magnetic poles of the rotor 4; and a stator coil 5a wound around a plurality of the salient poles 5. Each of a plurality of magnetic poles of the rotor 4 has a surface-inductive-flux distribution constituted by an inclined part with both ends inclined and a flat flat-part between the inclined parts, and the salient poles 5 have respective salient pole surfaces 6 which open in an umbrella shape and are opposed to the rotor 4, and the salient pole surfaces 6 are provided with grooves 7 at a position apart in the edge direction from the center in the circumferential direction.
摘要翻译：要解决的问题：提供能够大大降低齿槽转矩的技术，同时保持作为单相电动机的起动稳定性。解决方案：外转子型单相无刷电动机1包括：设置有多个磁极的转子4; 定子9，其与转子4间隔设置，并且具有与转子4的磁极数相同数量的凸极5; 以及卷绕在多个凸极5上的定子线圈5a。转子4的多个磁极中的每一个具有表面感应磁通分布，该表面感应磁通分布由两端倾斜的倾斜部分和平坦的平面部分倾斜部分和凸极5具有各自的凸极6，它们以伞形的形式开放并且与转子4相对，并且凸极面6在沿着边缘方向上离开的位置处设置有凹槽7 中心在圆周方向。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2011166857A Insulator for motor 审中-公开
标题翻译：电机绝缘子
公开(公告)号：JP2011166857A
公开(公告)日：2011-08-25
申请号：JP2010023666
申请日：2010-02-05
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI , SAKAMOTO YOSHIKI
IPC分类号： H02K3/46 , H02K11/00
摘要： PROBLEM TO BE SOLVED: To provide an insulator for motors, capable of increasing a footprint of a circuit board without decreasing the footprint thereof, without incurring complication of a forming die, concerning a configuration in which the circuit board is fixed on the insulator. SOLUTION: The insulator 14 includes: a cylindrical section 14a and arms 14b which radially extend outward from the cylindrical section and cover the teeth of a stator core. Engaging sections 14d having engaging hooks 14e are integrally formed on the cylindrical section 14a and cut sections 14f are formed at least on one side in the circumferential direction in the engaging sections 14d. Through-holes 14c are provided in positions where the arms 14b overlap with the engaging hooks 14e in the axial direction. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于电动机的绝缘体，能够增加电路板的占地面积而不减少其占地面积，而不会导致成形模具的复杂性，关于电路板固定在其上的结构绝缘子。解决方案：绝缘体14包括：圆柱形部分14a和从圆柱形部分向外径向延伸并覆盖定子芯部的齿的臂部14b。具有接合钩14e的接合部14d一体地形成在圆筒部14a上，在接合部14d中至少在圆周方向的一侧形成切口部14f。通孔14c设置在臂14b沿轴向与接合钩14e重叠的位置。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2011182612A Single-phase motor and axial fan using the same 有权
标题翻译：单相电动机和轴风扇使用相同
公开(公告)号：JP2011182612A
公开(公告)日：2011-09-15
申请号：JP2010047227
申请日：2010-03-04
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI
IPC分类号： H02K3/46 , H02K1/14 , H02K1/16 , H02K3/50 , H02K3/52 , H02K7/14
摘要： PROBLEM TO BE SOLVED: To provide a single-phase motor and an axial fan in which winding work efficiency is improved without causing disconnection to coil ends wound on terminal pins when a circuit substrate is connected to the terminal pins implanted in insulators. SOLUTION: The insulators 10 each have a terminal holding part 11 in which the terminal pin 12 is implanted. The tip ends 5 of teeth 4 are formed in bilateral asymmetry having different length in a circumferential direction. The terminal holding part 11 is closely disposed on the shorter side surface of each the end 5, a coil end 6a of coil 6 is wound on one end of the terminal pin 12, and the other end of the terminal pin 12 is electrically connected to the circuit substrate. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种单相电动机和轴流风扇，其中当电路基板连接到植入绝缘体的端子销时，其中绕线工作效率提高而不会导致缠绕在端子引脚上的线圈端部断开。解决方案：绝缘体10各自具有其中植入端子销12的端子保持部11。齿4的末端5在周向上具有不同长度的双向不对称形状。端子保持部11紧贴在端部5的短边侧，线圈6的线圈端6a卷绕在端子销12的一端，端子销12的另一端电连接到电路基板。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010102176A Driving motor for color wheel 有权
标题翻译：驱动电机用于彩色轮子
公开(公告)号：JP2010102176A
公开(公告)日：2010-05-06
申请号：JP2008274318
申请日：2008-10-24
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI , SUZUKI TOMOYUKI
IPC分类号： G02B26/00 , G03B21/14
CPC分类号： H02K7/14 , H02K11/215
摘要： PROBLEM TO BE SOLVED: To provide a driving motor for a color wheel, which can achieve stabilization of product accuracy and reduction of assembly processes, and which is made compact. SOLUTION: The driving motor 1 for the color wheel has a color wheel mounting board 9 which is connected to the rotary shaft 4 of a rotor 5 and rotatable with a color wheel 17, wherein a magnet 10 for generating position signal is disposed on the color wheel mounting disk 9 facing one end side of the motor, and a magnetic field detector 8 for detecting the rotational position is disposed on a relay board 7 for drawing out coil wiring, which faces the magnet in the motor. As a result, the magnet 10 and the magnetic field detector 8 are disposed within the overall dimensions of the motor 1 and face each other, a thin and compact motor having a small diameter is configured and wiring of the coil connection and the magnetic field detector are performed on one relay board 7, thus the assembly processes are reduced. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于色轮的驱动电机，其可以实现产品精度的稳定和组装过程的减少，并且其被紧凑化。解决方案：用于色轮的驱动电机1具有连接到转子5的旋转轴4并可与色轮17一起旋转的色轮安装板9，其中设置用于产生位置信号的磁体10 在面向电机的一端侧的色轮安装盘9上，并且用于检测旋转位置的磁场检测器8设置在中继板7上，用于抽出与电机中的磁体相对的线圈布线。结果，磁体10和磁场检测器8配置在电动机1的整体尺寸内，彼此面对，构成小直径的薄型紧凑型电动机，线圈连接和磁场检测器的配线在一个继电器板7上执行，从而减少组装过程。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2010041907A Spindle motor 有权
标题翻译：主轴电机
公开(公告)号：JP2010041907A
公开(公告)日：2010-02-18
申请号：JP2008300538
申请日：2008-11-26
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI , FURUYA MIYUKI
IPC分类号： H02K3/26 , H02K7/08 , H02K7/09
CPC分类号： H02K21/222 , H02K3/26 , H02K3/47
摘要： PROBLEM TO BE SOLVED: To provide a slotless type spindle motor in which stable rotating performance is obtained by firmly sticking and fixing a sheet-shaped coil (FP coil) to a cylindrical stator yoke uniformly. SOLUTION: A plurality of unit coils 10 are formed circumferentially in a sheet-shaped coil 5 which is fixed to an external periphery face 4a of the cylindrical stator yoke 4. Meandering axial routing lines 11 consisting of routing lines extending in an axial direction are formed between a U-phase unit coil 10U and a V-phase unit coil 10V and between the V-phase unit coil 10V and a W-phase unit coil 10W. A meandering dummy axial routing line 12 consisting of dummy lines extending in the axial direction is formed between a W-phase unit coil 10W (L) and the U-phase unit coil 10U. At both ends of the axial direction of the sheet-shaped coil 5, linear dummy circumferential routing lines 13 consisting of the dummy lines extending in the circumferential direction are formed so as to step across the adjacent unit coils 10. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种无槽型主轴电动机，其通过将片状线圈（FP线圈）牢固地固定并固定到圆柱形定子磁轭上而获得稳定的旋转性能。解决方案：多个单位线圈10沿圆周方向形成在片状线圈5中，片状线圈5固定在圆柱形定子磁轭4的外周面4a上。蜿蜒轴向布线线路11由沿轴向延伸的布线线组成 U相单元线圈10U与V相单元线圈10V之间以及V相单元线圈10V与W相单元线圈10W之间形成方向。在W相单元线圈10W（L）和U相单元线圈10U之间形成由在轴向延伸的虚拟线构成的曲折的假轴向布线线路12。在片状线圈5的轴向两端形成有沿周向延伸的虚拟线构成的线状虚拟圆周路径线13，以跨越相邻的单位线圈10而形成。 C）2010，JPO＆INPIT

10. 发明专利

JP2012047277A Vane type generator 审中-公开
标题翻译： VANE型发电机
公开(公告)号：JP2012047277A
公开(公告)日：2012-03-08
申请号：JP2010190427
申请日：2010-08-27
申请人： Minebea Co Ltd , ミネベア株式会社
发明人： SUZUKI YUZURU , TAKAHASHI HIROKI
IPC分类号： F16D1/02 , F03C2/30 , F16C19/06 , F16C35/063 , H02K7/14 , H02K7/18
CPC分类号： F16C2380/26
摘要： PROBLEM TO BE SOLVED: To provide a vane type generator that can be made compact while achieving stable rotation.SOLUTION: The generator is so structured that an output shaft as a rotary shaft and an input shaft as a rotary shaft are joined together, and has a ball bearing in which the output shaft and the input shaft are joined together inside the inner ring. D cut processing is applied to the output shaft and the input shaft, at least either the output shaft or the input shaft is press-fit into the inside of the ball bearing inner ring, and both shafts are engaged with each other at the D cut parts to be joined.

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