-
公开(公告)号:US06765320B1
公开(公告)日:2004-07-20
申请号:US09541825
申请日:2000-04-03
申请人: Yuzuru Suzuki , Sakae Fujitani , Masaki Kagawa
发明人: Yuzuru Suzuki , Sakae Fujitani , Masaki Kagawa
IPC分类号: H02K112
CPC分类号: H02K15/03 , H02K1/2733 , H02K21/145 , H02K33/16 , H02K37/14
摘要: The present invention provides a rotor magnet with a claw pole type of actuator of a single phase structure and a magnetization method of the rotor magnet, in which detent and dynamic torques are sufficiently ensured, an angle range of rotational operation is wide, the cost is inexpensive and the characteristics are stable. In the actuator of such structure, the rotor magnet is rotatably arranged through a fine space inside an armature coil, wherein the rotor magnet comprises a single cylindrical type of magnet having a distribution pattern of a magnetic flux in which the magnetic pole peak position of at least one of the N and S poles is shifted stepwise in the axial direction thereof.
摘要翻译: 本发明提供一种转子磁体,其具有单相结构的爪极型致动器和转子磁体的磁化方法,其中充分确保制动力和动态转矩,旋转操作的角度范围宽,成本为 价格低廉,特点稳定。 在这种结构的致动器中,转子磁体可旋转地布置在电枢线圈内的精细空间中,其中转子磁体包括具有磁通分布图案的单个圆柱形磁体,其中磁极峰值位置为 N极和S极中的至少一个在其轴向方向上逐步偏移。
-
公开(公告)号:US06505001B1
公开(公告)日:2003-01-07
申请号:US08968495
申请日:1997-11-12
IPC分类号: G11B2300
CPC分类号: G11B25/043
摘要: In a rotor structure of a spindle motor, an underside of a turntable and a top surface of a rotary yoke are integrated with each other by insert molding to eliminate an air gap therebetween in prior arts to thereby allow a stator assembly within the rotary yoke to increase its thickness and also enhance the rigidity of the integrated components while dimensions of the motor remaining unchanged, moreover, simultaneous integration with any components of a rotary shaft, a chucking magnet and a rotary magnet being advantageous in reduction of the assembling steps.
摘要翻译: 在主轴电动机的转子结构中,转盘的下侧和旋转磁轭的上表面通过嵌件成型彼此一体化,以消除现有技术之间的气隙,从而允许旋转磁轭内的定子组件 增加其厚度并且还增强了集成部件的刚度,同时电动机的尺寸保持不变,此外,与旋转轴,夹紧磁体和旋转磁体的任何部件的同时整合有利于减少组装步骤。
-
公开(公告)号:US06194806B1
公开(公告)日:2001-02-27
申请号:US09328372
申请日:1999-06-09
申请人: Yuzuru Suzuki , Sakae Fujitani , Yoshiyuki Aono , Masaki Kagawa
发明人: Yuzuru Suzuki , Sakae Fujitani , Yoshiyuki Aono , Masaki Kagawa
IPC分类号: H02K100
CPC分类号: H02K1/148 , H02K3/522 , H02K5/161 , H02K5/225 , H02K21/14 , H02K29/08 , H02K2203/03 , H02K2203/12 , H02K2211/03
摘要: An iron core type cylindrical radial gap type motor structure, by having field magnetic poles generated by permanent magnets and, in opposition to these, salient poles generating a rotational magnetic field and arranged with their emission direction along the rotational axis, the shape of salient poles being approximately T-shaped in cross-section along the rotational axis direction, and I-shaped in cross-section at right angles to the rotational axis direction, the upper end of said T-shaped opposing the axial direction of the rotor magnets and the lower end being mechanically coupled and fixed to the stator ring, thus constructing the magnetic circuit of the armature, and where the relationship between the length L1 of the said salient pole in the axial direction opposed to the field magnetic pole, and the length L2 in the axial direction of the coil core section about which the coil is wrapped, satisfies the conditions 0.3*L1≦L2≦0.6*L1, and, furthermore, where the relationship between the thickness A1 of the said salient pole in the circumferential direction, and the pitch P of the field magnetic pole, satisfies the conditions 0.4*P≦A1≦0.8*P.
摘要翻译: 铁芯型圆柱形径向间隙型电动机结构,通过由永久磁铁产生的场磁极,并且与其相反,产生旋转磁场的凸极,并沿其旋转轴线布置有其发射方向,凸极的形状 沿着旋转轴方向的截面大致为T形,与旋转轴线方向成直角的截面呈I字形,所述T字形的上端与转子磁体的轴向相反, 下端被机械地联接并固定在定子环上,从而构成电枢的磁路,并且其中所述凸极的与场磁极相对的轴向方向的长度L1与长度L2之间的关系 卷绕线圈芯部分的轴向方向满足条件0.3 * L1 <= L2 <= 0.6 * L1,此外,其中关系式 使所述凸极的圆周方向的厚度A1和场磁极的间距P变得满足条件0.4 * P <= A1 <= 0.8 * P。
-
公开(公告)号:US6078457A
公开(公告)日:2000-06-20
申请号:US879025
申请日:1997-06-19
申请人: Yuzuru Suzuki , Sakae Fujitani , Yoshiyuki Aono , Masahisa Ezuka
发明人: Yuzuru Suzuki , Sakae Fujitani , Yoshiyuki Aono , Masahisa Ezuka
CPC分类号: G11B19/20
摘要: A method for driving a recording disc applies a DC excitation hold so that a rotor portion is stopped. Thereafter, a DC excitation frequency is gradually increased from a low frequency to a rated frequency and synchronizes with the rated revolution.
摘要翻译: 用于驱动记录盘的方法施加直流励磁保持,使得转子部分停止。 此后,直流励磁频率从低频逐渐增加到额定频率,并与额定转速同步。
-
公开(公告)号:US6031304A
公开(公告)日:2000-02-29
申请号:US8352
申请日:1998-01-16
申请人: Yuzuru Suzuki , Sakae Fujitani , Haruyoshi Hino , Hideki Sakiyama
发明人: Yuzuru Suzuki , Sakae Fujitani , Haruyoshi Hino , Hideki Sakiyama
CPC分类号: H02K37/14
摘要: A motor structure including a rotor 1 having a permanent magnet 10 where north poles and south poles are alternately disposed in a moving direction of the rotor, a stator 5a including at least two stator yokes having stator pole teeth 3a, 4a respectively which face to the permanent magnet at a distance and are respectively positioned side by side in the moving direction to bear north poles or south poles respectively due to an electric current flowing through a coil 2a to thereby form at least one phase, wherein the stator pole teeth 3a, 4a are different from each other with respect to an effective area through which magnetic flux passes, whereby high harmonic wave phases generated from the pole teeth 3a, 4a are different from each other by 180 degrees in electric angle to thereby be canceled mutually, therefore an induced electromotive force wave containing hardly high harmonic wave is obtained to thereby reduce a motor vibration.
摘要翻译: 一种电动机结构,包括具有永磁体10的转子1,其中北极和南极在转子的移动方向上交替地设置;定子5a,其包括至少两个定子磁轭,定子磁极齿3a,4a分别面向 并且分别由于电流流过线圈2a而分别地承载北极或南极,从而形成至少一相,其中定子极齿3a,4a 相对于磁通通过的有效面积彼此不同,由此从极齿3a,4a产生的高次谐波相位彼此相差180度,从而相互消除,因此诱发 获得含有几乎不高次谐波的电动势波,从而减少电动机的振动。
-
公开(公告)号:US5032903A
公开(公告)日:1991-07-16
申请号:US424880
申请日:1989-10-19
申请人: Yuzuru Suzuki , Masao Seki
发明人: Yuzuru Suzuki , Masao Seki
IPC分类号: G03G15/01 , G03G15/04 , G06F3/12 , H04N1/00 , H04N1/409 , H04N1/46 , H04N1/48 , H04N1/52 , H04N1/58 , H04N1/60
CPC分类号: H04N1/00352 , H04N1/00384 , H04N1/00397 , H04N1/00411 , H04N1/00416 , H04N1/58 , H04N1/6022
摘要: An edge processing system for use in a color image processing device for reproducing images having a plurality of colors through its execution of repeated developing processes for the individual recording signals of the developed colors, comprises a low-pass digital filter for eliminating mesh dot components of the recording signals to smooth halftone images; a high-pass digital filter for detecting an edge part composed of high frequency components of the recording signals; a hue detector for detecting the hue of the recording signals to produce hue signals; an edge emphasizing signal generator for generating edge emphasizing signals according to the hue signals of the hue detecting means and the output signals of the high-pass digital filter; and a synthesizer for modulating and synthesizing the edge emphasizing signals and the output signals of the low-pass digital filter.
摘要翻译: 一种用于彩色图像处理装置的边缘处理系统,用于通过对所显影颜色的各个记录信号执行重复的显影处理来再现具有多种颜色的图像,包括:低通数字滤波器,用于消除网状点分量 记录信号以平滑半色调图像; 用于检测由记录信号的高频分量组成的边缘部分的高通数字滤波器; 用于检测记录信号的色相以产生色相信号的色调检测器; 边缘强调信号发生器,用于根据色调检测装置的色调信号和高通数字滤波器的输出信号产生边缘强调信号; 以及用于调制和合成低通数字滤波器的边缘强调信号和输出信号的合成器。
-
公开(公告)号:US08760022B2
公开(公告)日:2014-06-24
申请号:US13177339
申请日:2011-07-06
申请人: Yuuki Takahashi , Yuzuru Suzuki , Masaki Ogushi
发明人: Yuuki Takahashi , Yuzuru Suzuki , Masaki Ogushi
IPC分类号: H02K5/00
CPC分类号: H02K5/24
摘要: A motor mounting plate, composed of a metallic plate, includes: a disc-shaped plate body having a mounting portion to which a motor is mounted, and at least three flanges formed at a circumferential edge of the plate body, the flanges mounted at predetermined locations, an angle between adjacent flanges around the center of the plate body is 140° to 180°.
摘要翻译: 由金属板组成的电动机安装板包括:具有安装有电动机的安装部分的盘形板体,以及形成在板体的周向边缘处的至少三个凸缘,所述凸缘安装在预定的 位置之间,围绕板体中心的相邻凸缘之间的角度为140°至180°。
-
78.
公开(公告)号:US08613558B2
公开(公告)日:2013-12-24
申请号:US13219978
申请日:2011-08-29
申请人: Yuuki Takahashi , Yuzuru Suzuki
发明人: Yuuki Takahashi , Yuzuru Suzuki
CPC分类号: F16C19/06 , F16C25/083 , F16C2380/26
摘要: A constant preload device of a ball bearing is provided. The preload device includes an elastic member having a hollow shape with openings at both sides in an elastic direction, and two holders inserted into the openings at the both sides of the elastic member, respectively. Each holder includes a flange part configured to contact an end portion of the opening, into which the holder is inserted, to regulate an extension of the elastic member in the elastic direction, and a claw part configured to engage with the other holder to regulate separation from the other holder. The holders are engaged to each other by the claw parts such that the elastic member is exposed from the holders. When the preload device applies preload to the ball bearing, the ball bearing contacts the preload device only at an outer ring of the ball bearing.
摘要翻译: 提供了一种球轴承的恒定预紧装置。 预压装置包括弹性构件,其具有在弹性方向的两侧具有开口的中空形状,以及分别插入弹性构件两侧的开口中的两个保持架。 每个保持器包括凸缘部,该凸缘部构造成接触保持器插入到其中的开口的端部,以调节弹性构件在弹性方向上的延伸;爪部,构造成与另一个保持器接合以调节分离 从另一个持有人。 保持器通过爪部彼此接合,使得弹性构件从保持器露出。 当预载装置将预载荷施加到球轴承时,球轴承仅在球轴承的外圈处接触预载装置。
-
公开(公告)号:US08540496B2
公开(公告)日:2013-09-24
申请号:US12708738
申请日:2010-02-19
申请人: Yuzuru Suzuki , Yuuki Takahashi , Yoshiki Sakamoto
发明人: Yuzuru Suzuki , Yuuki Takahashi , Yoshiki Sakamoto
IPC分类号: F04B35/04
CPC分类号: F04D25/0613 , F04D29/542
摘要: A fan apparatus is provided and includes: a housing having a hollow cylindrical shape; a circuit board holding structure which is disposed in the housing so as to be located at the radially central part of the housing and which includes a plurality of slits extending axially; a circuit board disposed inside the circuit board holding structure in parallel with the axial direction; a plurality of fixed blades disposed so as to bridge between the housing and the circuit board holding structure; and a motor which includes a rotary shaft and an impeller and which is disposed at the front end of the circuit board holding structure, wherein the impeller is connected to the rotary shaft so as to move air.
摘要翻译: 提供了一种风扇装置,包括:具有中空圆柱形状的壳体; 电路板保持结构,其设置在壳体中,以便位于壳体的径向中心部分处,并且包括沿轴向延伸的多个狭缝; 电路板,其设置在所述电路板保持结构内,与所述轴向平行; 多个固定刀片,其布置成在所述壳体和所述电路板保持结构之间桥接; 以及包括旋转轴和叶轮并且设置在电路板保持结构的前端的电动机,其中叶轮连接到旋转轴以移动空气。
-
公开(公告)号:US08482179B2
公开(公告)日:2013-07-09
申请号:US12911051
申请日:2010-10-25
CPC分类号: H02K21/16 , H02K1/08 , H02K2201/03 , H02K2213/03
摘要: A brushless motor includes: a stator assembly including a stator core which includes a plurality of pole teeth each having a winding therearound; and a rotor assembly including a magnet which has a ring shape, is rotatably disposed so as to oppose the pole teeth of the stator core and which is circumferentially magnetized with a plurality of magnetic poles with opposite polarities alternating with each other, wherein the number of the pole teeth of the stator core is twice the number of the magnetic poles of the magnet such that each magnetic pole opposes a pair of adjacent pole teeth, one pair of adjacent windings have the same number of winding turns and the same winding direction as each other, and wherein another pair of windings located next to the one pair of windings have a winding direction opposite to the winding direction of the one pair of windings.
摘要翻译: 无刷电动机包括:定子组件,其包括定子芯,该定子芯包括多个极齿,每个极齿都具有绕组; 具有环形的磁体的转子组件可旋转地设置成与定子铁芯的极齿相对并且以相反的极性彼此交替的多个磁极周向磁化,其中, 定子铁芯的极齿是磁体磁极数量的两倍,使得每个磁极与一对相邻的极齿相对,一对相邻的绕组具有相同的绕组匝数,并且与每个相同的绕组方向相同 并且其中位于所述一对绕组旁边的另一对绕组具有与所述一对绕组的卷绕方向相反的卷绕方向。
-
-
-
-
-
-
-
-
-