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    • 72. 发明授权
    • Stator cooling device
    • 定子冷却装置
    • US08653705B2
    • 2014-02-18
    • US13282925
    • 2011-10-27
    • Satoshi Murakami
    • Satoshi Murakami
    • H02K9/00
    • H02K9/19H02K1/185H02K5/20
    • A stator cooling device configured with a cylindrical stator main body that uses a rotation axis of a rotary electric machine as a central axis. A fixed portion is formed on an outer peripheral portion of the stator main body so as to protrude outward in a radial direction of the stator main body. A cooling medium flow passage includes an injection hole through which cooling medium is injected. The fixed portion is configured above a horizontal plane that passes through the central axis, and a peak portion that is farthest in the fixed portion from the central axis as viewed in an axial direction of the central axis. The injection hole opens toward the fixed portion above the outer peripheral portion of the stator and toward the first vertical plane side with respect to a second vertical plane that is a vertical plane that passes through the peak portion.
    • 一种定子冷却装置,其构造为使用旋转电机的旋转轴线作为中心轴的圆柱形定子主体。 固定部分形成在定子主体的外周部上,以便在定子主体的径向方向上向外突出。 冷却介质流路包括注入冷却介质的注入孔。 固定部分配置在穿过中心轴线的水平平面上方,以及在中心轴线方向上从固定部分离中心轴线最远的峰部分。 喷射孔相对于穿过峰部的垂直平面的第二垂直平面朝向定子的外周部上方的固定部朝向第一垂直面侧开口。
    • 73. 发明申请
    • DC-DC CONVERTER
    • DC-DC转换器
    • US20130301304A1
    • 2013-11-14
    • US13980911
    • 2011-11-24
    • Satoshi MurakamiMasaki YamadaRyota KondoTakashi KaneyamaKazutoshi Awane
    • Satoshi MurakamiMasaki YamadaRyota KondoTakashi KaneyamaKazutoshi Awane
    • H02M3/335
    • H02M3/335H02M3/33507
    • A DC-DC converter in which a primary side and a secondary side are insulated by a transformer, includes: two diodes having anodes respectively connected to both ends of a secondary winding of the transformer and cathodes connected to each other; a series circuit composed of a resistor and a capacitor connected in series; and a snubber circuit formed by connecting the cathodes of the diodes to the connection point between the resistor and the capacitor. Surge voltage caused on the secondary side of the transformer is clamped at the voltage of the capacitor, and surge energy stored in the capacitor is regenerated to a load via the resistor. Thus, surge voltage caused on the secondary side of the transformer is suppressed with a simple configuration, and effective use of surge energy is ensured.
    • 其中初级侧和次级侧由变压器绝缘的DC-DC转换器包括:具有分别连接到变压器的次级绕组的两端的阳极和彼此连接的阴极的两个二极管; 由电阻器和串联连接的电容器组成的串联电路; 以及通过将二极管的阴极连接到电阻器和电容器之间的连接点而形成的缓冲电路。 在变压器的二次侧产生的浪涌电压被钳位在电容器的电压上,并且存储在电容器中的浪涌能量通过电阻再生成负载。 因此,通过简单的结构来抑制在变压器的次级侧产生的浪涌电压,并且确保有效地利用浪涌能量。
    • 78. 发明申请
    • ROTOR FOR ROTATING ELECTRIC MACHINE
    • 旋转电机转子
    • US20120299404A1
    • 2012-11-29
    • US13519543
    • 2010-09-29
    • Yoshihisa YamamotoYukinori NakamoriSatoshi MurakamiYoichi MiyoshiMeio Gi
    • Yoshihisa YamamotoYukinori NakamoriSatoshi MurakamiYoichi MiyoshiMeio Gi
    • H02K9/00
    • H02K1/2766H02K1/28H02K1/32H02K9/19
    • In a rotor for the dynamo, the interior circumference face of a rotor core main body makes contact in a thermally transmissible manner with a rotor axle, and the rotor axle includes a cooling medium circulation space. The rotor is provided with a cooling medium supply member, which supplies the cooling medium to the cooling medium circulation space. The cooling medium supply member is provided with a cooling medium supply path that extends in the rotor axle direction, and cooling medium supply holes that extend externally in the direction of the rotor diameter. The cooling medium supply holes are provided with supply apertures that open toward the cooling interior circumference face. The rotor axle is provided with cooling medium discharge holes that extend externally in the direction of the rotor diameter. The cooling medium discharge holes are provided with discharge apertures that open externally in the diameter direction.
    • 在发电机的转子中,转子铁芯主体的内周面与转子轴以热传递的方式接触,转子轴包括冷却介质循环空间。 转子设置有冷却介质供应构件,其将冷却介质供应到冷却介质循环空间。 冷却介质供给部件设置有沿转子轴方向延伸的冷却介质供给路径和从转子直径方向向外延伸的冷却介质供给孔。 冷却介质供给孔设置有朝向冷却内周面打开的供给孔。 转子轴设有从转子直径方向向外延伸的冷却介质排出孔。 冷却介质排出孔设有沿直径方向向外开口的排出孔。
    • 80. 发明授权
    • Cooling structure of stator
    • 定子冷却结构
    • US08269382B2
    • 2012-09-18
    • US12964122
    • 2010-12-09
    • Yukinori NakamoriSatoshi MurakamiHirotaka Mori
    • Yukinori NakamoriSatoshi MurakamiHirotaka Mori
    • H02K9/00
    • H02K9/19H02K1/20H02K3/24H02K9/005
    • A cooling structure of a stator, including a case that accommodates a rotating electrical machine, and cooling a coil end portion protruding from a stator core included in the stator of the rotating electrical machine. The structure supplies a cooling medium from the stator axial direction toward a gap that is formed between an inner surface of the case and an outer edge of the stator core. The cooling medium introducing gap is formed above a portion of the coil end portion to which the cooling medium is to be supplied. A storage space forming member is provided along an outer peripheral surface of the coil end portion. The storage space forming member has a contact portion having a first contact portion that contacts the inner surface of the case to close the cooling medium storage space on the one side in the stator axial direction.
    • 定子的冷却结构,包括容纳旋转电机的壳体,并且冷却从包括在旋转电机的定子中的定子铁芯突出的线圈端部。 结构从定子轴向朝向形成在壳体的内表面和定子芯的外边缘之间的间隙提供冷却介质。 冷却介质导入间隙形成在要供给冷却介质的线圈端部的一部分的上方。 沿着线圈端部的外周面设置存储空间形成构件。 存储空间形成构件具有接触部,该接触部具有与壳体的内表面接触的第一接触部,以在定子轴向的一侧闭合冷却介质容纳空间。