公开(公告)号：US20120026688A1

公开(公告)日：2012-02-02

申请号：US13185523

申请日：2011-07-19

申请人： Shinji TAKEMOTO ,  Yoshiaki OGUMA ,  Ryosuke ISHIDA

发明人： Shinji TAKEMOTO ,  Yoshiaki OGUMA ,  Ryosuke ISHIDA

IPC分类号： H05K7/20 ,  F01D1/02

CPC分类号： F04D29/582 ,  F04D25/0613 ,  F04D29/526

摘要： In an axial fan, a housing includes a side wall arranged to surround an outer circumference of an impeller, and a substantially square or substantially rectangular flange arranged to project radially outward from an outer circumferential surface of the side wall. The side wall preferably includes three slit groups each including a plurality of slits arranged in a circumferential direction and arranged to extend through the side wall from an inner circumferential surface to the outer circumferential surface thereof. Two of the slit groups are defined in portions of the side wall which correspond to two adjacent corner portions in an upper half portion of the flange, while the remaining slit group is defined in a portion of the side wall which corresponds to a lower half portion of the flange. The upper and lower half portions are divided at a line parallel or substantially parallel to two opposing sides of the flange and passing through a central axis.

摘要翻译： 在轴流式风扇中，壳体包括设置成围绕叶轮的外圆周的侧壁，以及布置成从侧壁的外圆周表面径向向外突出的大致正方形或大致矩形的凸缘。 侧壁优选包括三个狭缝组，每个狭缝组包括沿圆周方向布置的多个狭缝，并且布置成从内壁表面延伸穿过侧壁到外圆周表面。 两个狭缝组被限定在侧壁的对应于凸缘的上半部分中的两个相邻拐角部分的部分中，而剩余的狭缝组限定在侧壁的对应于下半部分的部分中 的法兰。 上半部分和下半部分以平行或基本上平行于凸缘的两个相对侧并且穿过中心轴线的线分开。

公开(公告)号：US20120093635A1

公开(公告)日：2012-04-19

申请号：US13338563

申请日：2011-12-28

申请人： Yusuke YOSHIDA ,  Yoshiaki OGUMA

发明人： Yusuke YOSHIDA ,  Yoshiaki OGUMA

IPC分类号： F01D9/04

CPC分类号： F04D25/0613 ,  F04D29/526 ,  F04D29/544

摘要： An axial flow fan includes an impeller rotatable about a central axis with a plurality of rotor vanes, a motor that drives the impeller, a base portion that supports the motor, a housing that includes an intake vent, an exhaust vent, and an inner peripheral surface surrounding the impeller and the motor, and a plurality of stator vanes that respectively connects the base portion and the housing, wherein the inner peripheral surface includes a first inner peripheral surface arranged to increase a distance from the central axis toward the intake vent or the exhaust vent in an axial direction, and a recess provided between the first inner peripheral surface and a stator vane included in the plurality of stator vanes and facing the first inner peripheral surface. Thus, airflow is allowed to smoothly pass through the housing, resulting in a decrease in noise generated in the fan.

摘要翻译： 轴流风扇包括可围绕中心轴线旋转的叶轮，其具有多个转子叶片，驱动叶轮的马达，支撑马达的基座部分，包括进气口，排气口和内周边的壳体 围绕所述叶轮和所述马达的表面以及分别连接所述基部和所述壳体的多个定子叶片，其中，所述内周面包括布置成增加从所述中心轴线朝向所述进气口的距离的第一内周面， 以及设置在所述第一内周面和所述多个定子叶片中的与所述第一内周面对置的定子叶片之间的凹部。 因此，允许气流平滑地通过壳体，导致风扇产生的噪音降低。

公开(公告)号：US20070189892A1

公开(公告)日：2007-08-16

申请号：US11674396

申请日：2007-02-13

申请人： Yoshiaki OGUMA

发明人： Yoshiaki OGUMA

IPC分类号： F04D29/44

CPC分类号： F04D29/542 ,  F04D29/526

摘要： An axial flow fan includes a housing that is formed by a process including injection molding includes a tapered surface at a frame portion thereof. One end of at least one rib is connected to an attachment portion which is a part of a stator portion of a motor portion, and the other end the rib is connected to a base portion protruding from the tapered surface. Two inclined surfaces connected to the tapered surface at the base portion and arranged in a circumferential direction with respect to a central axis are inclined such that the further a portion of the inclined surface from the central axis is, the further the portion is from a center of the rib. As a result, an air flow disturbance generated by the base portion between the rib and the frame portion is minimized, thereby reducing a noise generated due to the air flow disturbance.

摘要翻译： 轴流风扇包括通过包括注塑的工艺形成的壳体，其包括在其框架部分处的锥形表面。 至少一个肋的一端连接到作为电动机部分的定子部分的一部分的附接部分，另一端连接到从锥形表面突出的基部。 相对于中心轴在圆周方向上连接到基部的锥形表面的两个倾斜表面倾斜，使得倾斜表面从中心轴线的另一部分进一步偏离中心 的肋骨。 结果，由肋和框架部分之间的基部产生的空气流动干扰最小化，从而减少由于空气流动干扰而产生的噪声。

公开(公告)号：US20130009494A1

公开(公告)日：2013-01-10

申请号：US13473709

申请日：2012-05-17

申请人： Yoshiaki OGUMA

发明人： Yoshiaki OGUMA

IPC分类号： H02K1/27 ,  H02K15/03

CPC分类号： H02K15/03 ,  F04D25/064 ,  F04D29/646 ,  H02K1/2786 ,  Y10T29/49012

摘要： A rotating portion of a motor includes a rotor holder including a cylindrical portion arranged to be coaxial or substantially coaxial with a central axis, a plurality of magnets arranged in a circumferential direction on an inner circumferential surface of the cylindrical portion, and a resin portion arranged on a surface of the rotor holder. The resin portion includes a plurality of ribs arranged at regular or substantially regular intervals in the circumferential direction along the inner circumferential surface of the cylindrical portion, and an outer tubular portion arranged to cover an outer circumferential surface of the cylindrical portion. Each rib and the outer tubular portion are arranged to be defined by a single monolithic member such that each rib and the outer tubular portion are continuous with each other. Each magnet is preferably arranged between a separate pair of adjacent ones of the ribs.

摘要翻译： 电动机的旋转部分包括转子保持器，该转子保持器包括与中心轴线同轴或基本同轴的圆柱形部分，在圆柱形部分的内圆周表面上沿圆周方向布置的多个磁体，以及布置成 在转子保持器的表面上。 树脂部分包括沿着圆柱形部分的内圆周表面沿圆周方向以规则或基本上规则的间隔布置的多个肋，以及布置成覆盖圆柱形部分的外圆周表面的外管状部分。 每个肋和外部管状部分被布置成由单个整体构件限定，使得每个肋和外部管状部彼此连续。 每个磁体优选地布置在单独的一对相邻肋之间。

公开(公告)号：US20120319543A1

公开(公告)日：2012-12-20

申请号：US13457862

申请日：2012-04-27

申请人： Masaki ADACHI ,  Yoshiaki OGUMA ,  Yasuyuki KAJI

发明人： Masaki ADACHI ,  Yoshiaki OGUMA ,  Yasuyuki KAJI

IPC分类号： H02K11/00

CPC分类号： H02K5/10 ,  H02K5/128 ,  H02K7/14 ,  H02K11/30

摘要： A motor includes a cover made of a resin material. The cover includes a first annular portion arranged to extend in an annular shape above coils, a side wall portion arranged to extend downward from an outer circumferential portion of the first annular portion, and a second annular portion arranged to extend radially outward or radially inward from a lower end portion of the side wall portion along an upper surface of a circuit board. The side wall portion is arranged to extend in an axial direction while filling in gaps between teeth on a radially inner side of radially outer end surfaces of the teeth. The coils are covered by the cover to be protected from dust, water droplets, etc. The radially outer end surfaces of the teeth are exposed from the cover, and are thus arranged to be in radial proximity to a rotor magnet.

摘要翻译： 电动机包括由树脂材料制成的盖。 所述盖包括布置成在线圈上方以环形形状延伸的第一环形部分，设置成从所述第一环形部分的外圆周部分向下延伸的侧壁部分和布置成径向向外或径向向内延伸的第二环形部分 沿着电路板的上表面的侧壁部分的下端部分。 侧壁部分被布置成在轴向方向上延伸，同时填充齿的径向外端表面的径向内侧上的齿之间的间隙。 线圈由盖子覆盖以防止灰尘，水滴等。齿的径向外端表面从盖子露出，并且因此布置成径向接近转子磁体。

公开(公告)号：US20080063542A1

公开(公告)日：2008-03-13

申请号：US11854011

申请日：2007-09-12

申请人： Yoshiaki OGUMA

发明人： Yoshiaki OGUMA

IPC分类号： F04B17/03

CPC分类号： F04D25/0613 ,  F04D29/263

摘要： A fan for generating an air flow by rotating an impeller with a motor is provided. A cylindrical outer side surface of a rotor of the motor is press-fitted to an inner side surface of the impeller cup which is substantially cylindrical. An outer side surface of the impeller cup is a portion of a circular conical surface, thereby increasing the amount of air generated and transmitted by the fan. A gap is formed between the outer side surface and the inner cylindrical surface of the impeller cup. The cylindrical outer side surface of the rotor is connected to the inside of the inner cylindrical surface of the impeller cup coaxially with each other. Thus, the impeller and the rotor can be reliably fixed to each other with improved performance of transmitting air.

摘要翻译： 提供了一种用于通过用电动机旋转叶轮来产生空气流的风扇。 马达的转子的圆柱形外侧表面被压配合到叶轮杯的基本上圆柱形的内侧表面。 叶轮杯的外侧表面是圆锥形表面的一部分，从而增加由风扇产生和传递的空气量。 在叶轮杯的外侧表面和内圆柱形表面之间形成间隙。 转子的圆筒形外侧表面与叶轮杯的内圆柱形表面的内部彼此同轴地连接。 因此，叶轮和转子可以可靠地固定在一起，具有改善的空气传递性能。

公开(公告)号：US20100232967A1

公开(公告)日：2010-09-16

申请号：US12717269

申请日：2010-03-04

申请人： Yoshiaki OGUMA ,  Ryota HAYASHIDA

发明人： Yoshiaki OGUMA ,  Ryota HAYASHIDA

IPC分类号： F04D29/28

CPC分类号： F04D29/282 ,  F04D29/441

摘要： A centrifugal fan preferably includes a stator portion; a substantially cylindrical rotor holder; an annular support plate secured to an outer circumferential surface and/or a lower end portion of the rotor holder; and a plurality of blades secured to the support plate. The support plate is integrally defined by a substantially annular blade support portion arranged radially farthest from the rotor holder to support the plurality of blades; a cylindrical portion arranged radially closest to the rotor holder to encircle the outer circumferential surface of the rotor holder; and a sloping portion arranged between the blade support portion and the cylindrical portion to slope from an upper end portion of the cylindrical portion to the blade support portion.

摘要翻译： 离心风扇优选地包括定子部分; 基本上圆柱形的转子保持器; 固定到所述转子保持器的外周面和/或下端部的环状支撑板; 以及固定到所述支撑板的多个叶片。 支撑板由径向最远离转子保持器布置的大致环形的叶片支撑部分一体地限定，以支撑多个叶片; 径向最靠近转子保持件的圆筒部分，以环绕转子保持器的外圆周表面; 以及倾斜部分，布置在所述刀片支撑部分和所述圆柱形部分之间，以从所述圆柱形部分的上端部向所述​​刀片支撑部分倾斜。