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    • 21. 发明申请
    • Oil-storing device used in bearing assembly in motor
    • 用于电机轴承组装的储油装置
    • US20070075601A1
    • 2007-04-05
    • US11349730
    • 2006-02-08
    • Manabu Shiraki
    • Manabu Shiraki
    • H02K5/16H02K21/12F04B17/00
    • H02K5/1675F04D25/0653F04D29/057H02K21/24
    • The invention relates to an oil-storing device used in bearing assembly in a kind of motor including a rotor of motor and a stator of motor; the rotor includes a rotation shaft housing holding a shaft, many impellers which are settled in radial direction at proper interval along outer circumference the rotation shaft housing, magnets which are settled on the back of the rotation shaft housing; the stator includes a frame, a circular bearing receptacle shaped inside the frame, a stator subassembly and a stator subassembly base; an oil-impregnated bearing is settled inside the circular bearing receptacle; it is characterized by a nether bearing part and an upper bearing part which is joined vis-à-vis in the orientation of the rotation shaft; a hole in the nether bearing part and the upper bearing part for the rotation shaft; a concave shaped in the interlayer of the upper part and nether part of the oil-impregnated bearing respectively; an oil-storing device which is formed by the joining of the concave of the nether bearing part and the upper bearing part. An upper bearing part and a nether bearing part are arranged in the orientation of the rotation shaft according to the invention So that it is not only easy to manufacture but also easy to change the size of the concave, namely, the capacity of oil-storing, so it's useful very much.
    • 本发明涉及一种用于轴承组件的储油装置,该装置包括电动机的转子和电动机的定子的一种电动机; 转子包括保持轴的旋转轴壳体,沿旋转轴壳体的外周以适当的间隔沿径向方向稳定的许多叶轮,安装在旋转轴壳体的背面上的磁体; 定子包括框架,形成在框架内的圆形轴承座,定子子组件和定子子组件底座; 浸油轴承沉入圆形轴承座内; 其特征在于,下轴承部分和上轴承部分相对于旋转轴的取向相接合; 下轴承部分中的孔和用于旋转轴的上轴承部分; 分别在浸油轴承的上部和下部的中间层中形成凹形; 储油装置,其通过下沉支承部的凹部与上部支承部的接合而形成。 根据本发明的上轴承部件和下轴承部件被设置在旋转轴的方向上,使得不仅容易制造,而且容易改变凹部的尺寸,即储油容量 ,所以非常有用。
    • 23. 发明授权
    • Disk-type brushless fan motor
    • 盘式无刷风扇电机
    • US4894572A
    • 1990-01-16
    • US924903
    • 1986-10-30
    • Manabu Shiraki
    • Manabu Shiraki
    • H02K29/03H02K29/08
    • H02K29/08H02K29/03
    • A disk-type brushless fan motor comprises a stator yoke having a suitable cutaway portion formed therein for allowing generation of a cogging torque to allow self-starting of a magnet rotor of the motor. A printed circuit board underlies the stator yoke, and a position detecting element is located on a face of the printed circuit board opposing to the cutaway portion of the stator yoke. The printed circuit board has one or more small cutaway portions formed along an outer periphery thereof within a range of the cutaway portion of the stator yoke, and opposite leads or terminals of a pair of armature coils located on the stator yoke extend through the cutaway portions of the printed circuit board in order to establish electric connection to electric parts located on the rear side of the printed circuit board.
    • 盘式无刷风扇电动机包括定子轭,其具有形成在其中的合适的切除部分,用于允许产生齿槽转矩以允许马达的磁转子自启动。 印刷电路板位于定子磁轭的下方,位置检测元件位于印刷电路板的与定子磁轭的切除部分相对的面上。 印刷电路板在定子磁轭的切除部分的范围内具有沿其外周形成的一个或多个小切口部分,并且位于定子磁轭上的一对电枢线圈的相对的引线或端子延伸穿过切除部分 以便与位于印刷电路板背面的电气部件建立电连接。
    • 24. 发明授权
    • Single-phase brushless motor with cogging features
    • 单相无刷电机具有齿槽特征
    • US4739203A
    • 1988-04-19
    • US923088
    • 1986-10-24
    • Osami MiyaoManabu Shiraki
    • Osami MiyaoManabu Shiraki
    • H02K29/08H02K37/00
    • H02K29/08
    • A single-phase brushless motor which can rotate smoothly by a uniform torque over an entire range of rotation with reduced torque ripples, without generating a high cogging torque for allowing self-starting of the motor. The motor comprises a field magnet as a rotor having 2P north and south magnetic poles, either the north or the south poles having a width equal to an electrical angle of about 120 degrees while the other poles have a width equal to an electrical of about 240 degrees. The field magnet is mounted for rotation in an opposing relationship to a stator armature core which has a plurality of radially extending stator poles formed in a circumferentially equidistantly spaced relationship thereon. A plurality of stator coils for two phases are wound selectively on the stator poles. An electric circuit detects the position of the field magnet to energize the armature coils for the two phases alternately for an electric angle of about 180 degrees.
    • 一种单相无刷电动机,可以在整个旋转范围内通过均匀的转矩平稳地旋转,同时减小转矩波动,而不会产生高的齿槽转矩,以允许电机的自启动。 电动机包括作为具有2P南北磁极的转子的磁场磁体,北极或南极的宽度等于约120度的电角度,而另一个极的宽度等于约240的电 度。 磁场磁体被安装成与定子电枢磁芯相对旋转的旋转,该定子电枢磁芯具有多个径向延伸的定子极,其形成在其上沿周向等距间隔的关系。 用于两相的多个定子线圈选择性地缠绕在定子极上。 电路检测场磁体的位置,以使两相的电枢线圈以约180度的电角度交替地通电。
    • 25. 发明授权
    • Single-phase brushless motor
    • 单相无刷电机
    • US4707645A
    • 1987-11-17
    • US924902
    • 1986-10-30
    • Osami MiyaoManabu ShirakiMasayuki Ohsaka
    • Osami MiyaoManabu ShirakiMasayuki Ohsaka
    • H02K29/00H02K29/08H02K23/00
    • H02K29/08
    • A single-phase brushless motor which can rotate smoothly with minimized torque ripples without generating a cogging torque. A magnet rotor of the motor has north and south magnetic pole and non-magnetized zones successively formed in ranges thereof each having an angular width of 120 degrees in electrical angle, and a stator armature is mounted in an opposing relationship to the magnet rotor and includes an annular stator yoke on which a same number of stator coils for each of 3 phases are wound in a troidal configuration and successively located in an angularly spaced relationship by an electrical angle of 120 degrees. A position detecting element is located for detecting a magnetic pole or non-magnetized portion of the magnet rotor, and in response to signals successively developed from the position detecting element during rotation of the magnet rotor, an energization controlling circuit successively energizes the stator coils to rotate the magnet rotor in a predetermined direction.
    • 单相无刷电动机可以最小化转矩波动平滑地旋转,而不会产生齿槽转矩。 电动机的磁铁转子具有北电磁极和非磁化区,其各自的角度宽度以电角度为120度依次形成,并且定子电枢以与磁体转子相对的关系安装,并且包括 一个环形定子磁轭,其中相位数量的定子线圈中的每一个以三相绕组形成并且以角度间隔的关系依次以120度的电角度定位。 位置检测元件用于检测磁体转子的磁极或非磁化部分,并且响应于在磁体转子旋转期间从位置检测元件连续产生的信号,通电控制电路将定子线圈依次通电 沿预定方向旋转磁体转子。
    • 29. 发明授权
    • Lens driving device, autofocus camera and camera-equipped mobile terminal
    • 镜头驱动装置,自动对焦相机和配备相机的移动终端
    • US08577213B2
    • 2013-11-05
    • US13112320
    • 2011-05-20
    • Manabu ShirakiKazuhiro Ichikawa
    • Manabu ShirakiKazuhiro Ichikawa
    • G03B17/00
    • H02K41/0356G02B7/023G02B7/08G03B3/10G03B5/02G03B2205/0015G03B2205/0069
    • In the lens driving device of the present invention, at least two second coils are disposed at a 90 degree interval in a circumferential direction of a first coil wound around an outer circumference of a lens support in the circumferential direction, at least four magnets are provided at an inner circumferential side of a circumferential wall of a yoke and are provided at even intervals about the circumferential direction of the first coil, each magnet being provided so that an inner circumferential face is the same magnetic pole and opposes an outer circumferential face of the first coil, and in addition is opposite the second coil at the position of providing the second coil. When the lens support is moved in the optical axis direction, an electric current flows in the first coil, and when the lens support is moved in an X-Y direction orthogonal to the optical axis, a predetermined electric current flows in a predetermined second coil.
    • 在本发明的透镜驱动装置中,至少两个第二线圈沿圆周方向围绕透镜支架的外周围绕第一线圈的圆周方向以90度的间隔布置,至少提供四个磁体 在轭的周壁的内周侧,围绕第一线圈的圆周方向以均匀的间隔设置,每个磁体设置成使得内周面是相同的磁极并且与第一线圈的外周面相对 第一线圈,并且另外在提供第二线圈的位置处与第二线圈相对。 当透镜支架沿光轴方向移动时,电流在第一线圈中流动,并且当透镜支架沿与光轴正交的X-Y方向移动时,预定电流在预定的第二线圈中流动。
    • 30. 发明授权
    • Linear driving device
    • 线性驱动装置
    • US08466602B2
    • 2013-06-18
    • US12913121
    • 2010-10-27
    • Manabu ShirakiJunichi Tada
    • Manabu ShirakiJunichi Tada
    • H02N2/04
    • H02N2/025G02B7/102H01L41/0973
    • In a linear driving device 7, in which a driving shaft 21 vibrates in an axial direction by a vibration member 17, as a result of which a movable body 3 that is frictionally contact with the driving shaft 21 slides along the axial direction of the driving shaft 21, the vibration member 17 includes a piezoelectric element 23 and a vibrator 19 made of a metal plate having elasticity; the vibrator 19 is fixed to the piezoelectric element 23 by superimposing plate faces thereof; the driving shaft 21 has a trunk 25 along which the movable body 3 slides, and an end portion 26 to be fixed to the vibrator 19; a base surface 24 of the end portion 26 abuts with and is fixed to the vibrator 19; and an area of the base surface 24 is smaller than a cross sectional area of the trunk 25.
    • 在驱动轴21由振动部件17沿轴向振动的线性驱动装置7中,与驱动轴21摩擦接触的移动体3的结果沿着驱动轴线方向滑动 轴21,振动部件17包括压电元件23和由具有弹性的金属板制成的振动器19; 振动器19通过叠加板面而固定在压电元件23上; 驱动轴21具有可移动体3沿其滑动的躯干25和固定到振动器19的端部26; 端部26的基面24邻接并固定到振动器19; 并且基面24的面积小于主体25的横截面面积。