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    • 3. 发明授权
    • Rotor for synchronous motor
    • 转子用于同步电动机
    • US06441524B2
    • 2002-08-27
    • US09788441
    • 2001-02-21
    • Yutaro KanekoShinichiro KitadaToshio KikuchiMunekatsu Shimada
    • Yutaro KanekoShinichiro KitadaToshio KikuchiMunekatsu Shimada
    • H02K2116
    • H02K1/2766
    • A rotor (11) for a synchronous motor is provided with a plurality of magnets (15) being substantially V-shaped in cross-section. The V-shaped cross-section is defined by an inner V-surface (25), an outer V-surface (19) and an outward face (23) facing outwardly. A first angle &agr; is subtended between a first straight line connecting a point of intersection (31) of the outer V-surface (19) and the outward face (23) and a second straight line connecting the center (35) of the rotor (11) and the acute angle point (27). A second angle &bgr; is subtended between the first straight line and a third straight line connecting a point of intersection (33) of the inner V-surface (25) and the outward face (23). By setting the angle &bgr; to be larger than 20 percent of the angle &agr;, leakage flux at both ends of the magnets (15) is reduced.
    • 用于同步电动机的转子(11)设置有大致V字形的多个磁体(15)。 V形横截面由内V形表面(25),外V形表面(19)和面向外的外表面(23)限定。 连接外V面(19)的交点(31)和外表面(23)的第一直线和连接转子的中心(35)的第二直线之间的第一角度α 11)和锐角点(27)。 在第一直线与连接内V面(25)的交点(33)和外表面(23)的第三直线之间的第二角β被对准。 通过将角度β设定为大于角度α的20%,磁体(15)两端的漏磁通减少。
    • 5. 发明授权
    • Rotating electric machine and method of manufacture therefor
    • 旋转电机及其制造方法
    • US06700283B2
    • 2004-03-02
    • US09986047
    • 2001-11-07
    • Toshio KikuchiShinichiro KitadaYutaro KanekoTakashi Tsuneyoshi
    • Toshio KikuchiShinichiro KitadaYutaro KanekoTakashi Tsuneyoshi
    • H02K3487
    • H02K3/24H02K1/185H02K3/522H02K9/197H02K15/0018H02K15/12
    • This invention provides a rotating electric machine using an inner section of a slot of a stator as a cooling passage and allowing a high cooling efficiency. Furthermore, it provides a manufacture method for the rotating electric machine which allows streamlining of the manufacture of the cooling passage. A plate is attached to the plate retaining groove formed in proximity to the opening of the slot of the stator. A resin layer is formed by injection of resin into a space formed between the outer face of the plate and the mold set on an inner peripheral face of the stator. The plate is pressed by the injection pressure of the resin to come into close contact with the stopper and to create a seal which prevents leakage of resin into the slot. A leg is provided on the plate and extends into the slot for reducing the cross sectional surface area of the cooling passage.
    • 本发明提供一种旋转电机,其使用定子的槽的内部部分作为冷却通道并且允许高的冷却效率。 此外,它提供了一种旋转电机的制造方法,其允许精简冷却通道的制造。 板被附接到形成在定子的槽的开口附近的板保持槽。 树脂层通过将树脂注入到形成在板的外表面和设置在定子的内周面上的模具之间的空间中而形成。 板被树脂的注射压力压紧以与止动器紧密接触,并产生防止树脂泄漏到槽中的密封。 腿部设置在板上并延伸到槽中以减小冷却通道的横截面积。
    • 8. 发明授权
    • Power module
    • 电源模块
    • US06337803B2
    • 2002-01-08
    • US09814170
    • 2001-03-22
    • Toshio KikuchiShinichiro KitadaYutaro Kaneko
    • Toshio KikuchiShinichiro KitadaYutaro Kaneko
    • H02M7537
    • H02M7/53871H01L2224/48091H01L2224/48111H01L2224/48139H01L2224/49111H02M7/003H02P27/06H01L2924/00014
    • A first inverter circuit (3A) and a second inverter circuit (3B) are formed on a substrate (25). The first inverter circuit (3A) outputs a first three-phase alternating current generated by a first group of switching elements (SW1, SW2, SW3, SW4, SW5, SW6) via a first output busbar (28UA), a second output busbar (28VA), and a third output busbar (28WA). A second inverter circuit (3B) outputs a second three-phase alternating current generated by a second group of switching elements (SW7, SW8, SW9, SW10, SW11, SW12) via a fourth output busbar (28UB), a fifth output busbar (28VB), and a sixth output busbar (28WB). The fourth output busbar (28UB) is in close proximity to the first output busbar (28UA), the fifth output busbar (28VB) is in close proximity to the second output busbar (28VA) and the sixth output busbar (28WB) is in close proximity to the third output busbar (28WA). The first group of switching elements (SW1, SW2, SW3, SW4, SW5, SW6) and second group of switching elements (SW7, SW8, SW9, SW10, SW11, SW12) are arranged so that the direction of the current in the fourth output busbar (28UB) is opposite to the direction of the current in the first output busbar (28UA), the direction of the current in the fifth output busbar (28VB) is opposite to the direction of the current in the second output busbar (28VA), and the direction of the current in the sixth output busbar (28WB) is opposite to the direction of the current in the third output busbar (28WA).
    • 在基板(25)上形成第一反相器电路(3A)和第二反相器电路(3B)。 第一逆变器电路(3A)经由第一输出母线(28UA),第二输出母线(28UA)输出由第一组开关元件(SW1,SW2,SW3,SW4,SW5,SW6)产生的第一三相交流电 28VA)和第三输出母线(28WA)。 第二反相器电路(3B)经由第四输出母线(28UB),第五输出母线(28UB)输出由第二组开关元件(SW7,SW8,SW9,SW10,SW11,SW12)产生的第二三相交流电 28VB)和第六输出母线(28WB)。 第四输出母线(28UB)紧邻第一输出母线(28UA),第五输出母线(28VB)接近第二输出母线(28VA),第六输出母线(28WB)处于接近状态 靠近第三输出母线(28WA)。 第一组开关元件(SW1,SW2,SW3,SW4,SW5,SW6)和第二组开关元件(SW7,SW8,SW9,SW10,SW11,SW12)被布置成使得第四组开关元件 输出母线(28UB)与第一输出母线(28UA)中的电流方向相反,第五输出母线(28VB)中的电流方向与第二输出母线(28VA)中的电流方向相反 ),并且第六输出母线(28WB)中的电流的方向与第三输出母线(28WA)中的电流方向相反。