公开(公告)号：US20090191070A1

公开(公告)日：2009-07-30

申请号：US12320252

申请日：2009-01-22

申请人： Katsuyoshi Kawachi ,  Shiro Nakamura ,  Shigenori Ohira ,  Kazunori Yamada ,  Hiromi Kawarai ,  Narihito Sano

发明人： Katsuyoshi Kawachi ,  Shiro Nakamura ,  Shigenori Ohira ,  Kazunori Yamada ,  Hiromi Kawarai ,  Narihito Sano

IPC分类号： F04D29/58 ,  F04D25/08

CPC分类号： H02K7/14 ,  H02K9/06 ,  H02K29/08

摘要： A motor-operated fan apparatus is made up of a brushless motor and a centrifugal fan. The brushless motor has: a rotary shaft vertically disposed on a substrate in a rotatable manner; a stator disposed coaxially with the rotary shaft; and a rotor integrally disposed on the rotary shaft. The centrifugal fan has: a disk part which covers the brushless motor and is fixed to the rotary shaft; and a multiplicity of vane parts which are disposed so as to be elongated from an outer edge of the disk part. A ventilation control member is provided in a space between the rotor and the disk part to block the air flowing from the substrate side to the space between the rotor and the disk part.

摘要翻译： 电动风扇装置由无刷电动机和离心式风扇构成。 无刷电动机具有：以可旋转的方式竖直地设置在基板上的旋转轴; 与所述旋转轴同轴设置的定子; 以及一体地设置在旋转轴上的转子。 离心风扇具有：覆盖无刷电动机并固定在旋转轴上的盘部; 以及多个叶片部件，其被布置成从盘部分的外边缘延伸。 在转子和盘部之间的空间中设置有通气控制部件，以阻挡从基板侧流到转子和盘部之间的空气。

公开(公告)号：US20090208156A1

公开(公告)日：2009-08-20

申请号：US12370341

申请日：2009-02-12

申请人： Narihito Sano ,  Shigenori Ohira ,  Kazunori Yamada ,  Hiromi Kawarai ,  Katsuyoshi Kawachi

发明人： Narihito Sano ,  Shigenori Ohira ,  Kazunori Yamada ,  Hiromi Kawarai ,  Katsuyoshi Kawachi

IPC分类号： F16C37/00

CPC分类号： H02K5/20 ,  F16C23/043 ,  H02K7/085

摘要： A bearing structure includes a housing having a bore that penetrates the housing, a rotation shaft inserted into the bore, an annular first metal bearing and an annular second metal bearing, which are provided apart from each other in an axial direction in the bore and rotatably support the rotation shaft, and a ventilation passage provided in the housing. The ventilation passage is formed on the housing-side contact surfaces which are formed on an inner surface of the housing, and bypasses at least one of the first metal bearing and the second metal bearing. Through ventilation passage, a closed area sandwiched between the both first metal bearing and second metal bearing inside the bore communicates with an outside area.

摘要翻译： 轴承结构包括具有穿过壳体的孔的壳体，插入孔中的旋转轴，环形第一金属轴承和环形第二金属轴承，其在轴向方向上彼此分开设置并且可旋转地 支撑旋转轴和设置在壳体中的通风通道。 通气通道形成在形成在壳体的内表面上的壳体侧接触表面上，并绕过第一金属轴承和第二金属轴承中的至少一个。 通过通风通道，夹在孔内的第一金属轴承和第二金属轴承之间的封闭区域与外部区域连通。

公开(公告)号：US06737770B2

公开(公告)日：2004-05-18

申请号：US10042305

申请日：2002-01-11

申请人： Hideki Sunaga ,  Takeshi Ohba ,  Hiromi Kawarai ,  Kazunori Yamada ,  Narihito Sano

发明人： Hideki Sunaga ,  Takeshi Ohba ,  Hiromi Kawarai ,  Kazunori Yamada ,  Narihito Sano

IPC分类号： H01H3776

CPC分类号： H05K1/0201 ,  H01H37/761 ,  H01H2037/046 ,  H01H2037/763 ,  H02K11/01 ,  H02K11/21 ,  H02K11/215 ,  H02K11/25 ,  H02K11/27 ,  H02K11/33 ,  H05K1/0206 ,  H05K3/3421 ,  H05K3/3447 ,  H05K2201/09572 ,  H05K2201/10181 ,  H05K2203/0455 ,  H05K2203/176

摘要： A brushless motor for a blower fan unit has a circuit structure constituted by a drive control circuit and a fuse member. The drive control circuit supplying drive current comprises a first circuit section for eliminating surges of electric power and a second circuit section for controlling magnetic field generated by the stator. The first and second circuit sections are three-dimensionally arranged with a predetermined space therebetween. The fuse member electrically connects the first and second circuit sections. An end portion of the fuse member is welded with the first circuit section, and the other end portion of the fuse member is soldered with the second circuit section. The fuse member cuts an electrical connection between the first and second circuit sections when a temperature of solder becomes higher than a predetermined temperature.

摘要翻译： 用于鼓风机单元的无刷电动机具有由驱动控制电路和保险丝构件构成的电路结构。 提供驱动电流的驱动控制电路包括用于消除电力浪涌的第一电路部分和用于控制由定子产生的磁场的第二电路部分。 第一和第二电路部分三维地布置有它们之间的预定间隔。 保险丝构件电连接第一和第二电路部分。 保险丝部件的端部与第一电路部分焊接，并且熔丝部件的另一端部与第二电路部分焊接。 当焊料的温度变得高于预定温度时，熔丝部件切割第一和第二电路部分之间的电连接。

公开(公告)号：US06370026B2

公开(公告)日：2002-04-09

申请号：US09754198

申请日：2001-01-05

申请人： Hideki Sunaga ,  Shigenori Ohira ,  Narihito Sano ,  Kazunori Yamada ,  Takeshi Oba

发明人： Hideki Sunaga ,  Shigenori Ohira ,  Narihito Sano ,  Kazunori Yamada ,  Takeshi Oba

IPC分类号： H05K720

CPC分类号： H01L23/4093 ,  H01L2924/0002 ,  H02K11/33 ,  H05K7/209 ,  H01L2924/00

摘要： A power element mounting structure for use in a brushless motor comprises a circuit board; a spring plate of metal, the spring plate being resiliently mounted, through a first mounting structure, on the circuit board keeping a given space therebetween; a plurality of power elements disposed on the spring plate to form a semi-assembled unit; a heat dissipation member of metal having a plurality of heat dissipation fins on an outer surface thereof, the heat dissipation member being mounted, through a second mounting structure, on the semi-assembled unit in such a manner that an inner surface thereof faces toward the power elements; and a plurality of spring pieces defined by the spring plate, the spring pieces being arranged to press the power elements against the inner surface of the heat dissipation member.

摘要翻译： 一种用于无刷电动机的功率元件安装结构，包括电路板; 金属弹簧板，弹簧板通过第一安装结构弹性地安装在电路板上，在其间保持给定的空间; 多个功率元件，设置在弹簧板上以形成半组装单元; 金属散热构件，其外表面具有多个散热翅片，所述散热构件通过第二安装结构安装在所述半组装单元上，使得其内表面朝向 功率元件; 以及由弹簧板限定的多个弹簧片，弹簧片布置成将功率元件压靠在散热构件的内表面上。

公开(公告)号：US06984905B2

公开(公告)日：2006-01-10

申请号：US10651101

申请日：2003-08-29

申请人： Narihito Sano ,  Setsuya Uchino ,  Shigenori Ohira

发明人： Narihito Sano ,  Setsuya Uchino ,  Shigenori Ohira

IPC分类号： H02K5/04 ,  H02K23/04 ,  H02K5/167 ,  H02K1/12

CPC分类号： H02K1/17 ,  Y10T29/49009 ,  Y10T29/49908

摘要： An electric motor comprises a yoke in which permanent magnets are held, the yoke including a cylindrical yoke body having a bottom and an auxiliary yoke in which the yoke body is fitted, at least one engaging opening provided in one of said yoke body and auxiliary yoke and a deformable band provided in the other of said yoke body and auxiliary yoke. The deformable band is fitted in the engaging opening in a state that the yoke body and auxiliary yoke are fitted.

摘要翻译： 一种电动机包括一个其中保持有永久磁铁的磁轭，该磁轭包括一个具有底部的圆柱形磁轭体和一个配有轭体的辅助磁轭，至少一个啮合开口设置在所述轭体和辅助磁轭之一中 以及设置在所述轭体和辅助轭中的另一个中的可变形带。 可变形带以轭体和辅助轭安装的状态装配在接合开口中。

公开(公告)号：US06661134B2

公开(公告)日：2003-12-09

申请号：US10020129

申请日：2001-12-18

申请人： Hideki Sunaga ,  Shiro Nakamura ,  Narihito Sano ,  Takeshi Oba ,  Eiji Takahashi ,  Atsushi Takada ,  Masami Kato

发明人： Hideki Sunaga ,  Shiro Nakamura ,  Narihito Sano ,  Takeshi Oba ,  Eiji Takahashi ,  Atsushi Takada ,  Masami Kato

IPC分类号： H02K1100

CPC分类号： H02K11/33

摘要： A brushless motor for a blower fan unit is comprised of a heat sink which has a heat radiating portion and a pair of supporting legs extending from both opposite sides of the heat radiating portion. A free end portion of each supporting leg is in contact with an electric circuit board. A pressing member has a pressing portion, a pair of positioning portions perpendicularly extending from opposite end portions of the pressing portion, and a pair of connecting portions projecting from the pair of positioning portions respectively. The connecting portions are engaged with supporting legs of the heat sink respectively. The pressing portion presses switching devices to the heat sink. The positioning portions are inserted into the through-holes of the electric circuit board respectively.