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    • 1. 发明授权
    • Excimer laser apparatus
    • 准分子激光装置
    • US06404794B1
    • 2002-06-11
    • US09676779
    • 2000-10-02
    • Shinichi SekiguchiMasaru OsawaSatoshi MoriTadashi SatoToshiharu Nakazawa
    • Shinichi SekiguchiMasaru OsawaSatoshi MoriTadashi SatoToshiharu Nakazawa
    • H01S322
    • F16C32/0444F16C32/047F16C32/0493F16C32/0497F16C2380/26H01S3/036H01S3/225H02K7/09
    • An excimer laser apparatus comprises a container sealing a laser gas including a halogen gas therein, a pair of discharge electrodes disposed in the container for inducing an electric discharge capable of oscillating a laser light, and a circulating fan with a shaft for producing a high-speed laser gas stream between a pair of the discharge electrodes. Both ends of the shaft are rotatably supported by rotor-stator mechanisms, or one end of the shaft is rotatably supported by a rotor-stator mechanism, and the other end of the shaft is supported by a magnetic bearing. The rotor-stator mechanism comprises a rotor attached to the shaft of the circulating fan, a stator provided at a position opposed to the rotor, an electric motor winding provided in the stator for applying torque to the rotor, and a position control winding provided in the stator for producing a magnetic force to levitate and support the rotor.
    • 准分子激光装置包括:密封包含卤素气体的激光气体的容器,设置在容器内的一对放电电极,用于引起能够振荡激光的放电;以及循环风扇, 一对放电电极之间的高速激光气流。 轴的两端由转子 - 定子机构可旋转地支撑,或者轴的一端由转子 - 定子机构可旋转地支撑,并且轴的另一端由磁轴承支撑。 转子 - 定子机构包括附接到循环风扇的轴的转子,设置在与转子相对的位置的定子,设置在定子中的用于向转子施加扭矩的电动机绕组以及设置在转子中的位置控制绕组 用于产生用于悬浮和支撑转子的磁力的定子。
    • 2. 发明申请
    • Fluid conveying machine
    • 流体输送机
    • US20070110595A1
    • 2007-05-17
    • US10581701
    • 2004-12-06
    • Tadashi SatoSatoshi MoriHiroyuki Kato
    • Tadashi SatoSatoshi MoriHiroyuki Kato
    • F04B17/00
    • F04D29/048F04D1/006F04D13/0633F04D13/064
    • A fluid conveying machine has a rotational shaft (11), a double suction type pump (16), and magnetic levitation motors (12, 13) having a function as a radial magnetic bearing for supporting the rotational shaft (11) in a non-contact manner and as a motor for rotating the rotational shaft (11). The double suction type pump (16) has a double suction type impeller (21) attached to the rotational shaft (11), a pump casing (31) disposed so as to surround the impeller (21), and a pressure balance mechanism for positioning the rotational shaft (11) in an axial direction. The pump (16) is disposed substantially at a center of the rotational shaft (11), and the two magnetic levitation motors (12, 13) are disposed on both sides of the pump (16).
    • 流体输送机具有旋转轴(11),双吸式泵(16)和具有作为径向磁轴承的功能的磁悬浮马达(12,13),用于将旋转轴(11)支撑在非旋转轴 并且作为用于使旋转轴(11)旋转的电动机。 双吸泵(16)具有安装在旋转轴(11)上的双吸式叶轮(21),围绕叶轮(21)设置的泵壳(31),以及用于定位的压力平衡机构 旋转轴(11)沿轴向方向。 泵(16)基本上设置在旋转轴(11)的中心,并且两个磁悬浮马达(12,13)设置在泵(16)的两侧。
    • 9. 发明授权
    • Bearingless rotary machine
    • 无轴承旋转机
    • US06078119A
    • 2000-06-20
    • US199338
    • 1998-11-25
    • Tadashi SatohMasaru OhsawaSatoshi Mori
    • Tadashi SatohMasaru OhsawaSatoshi Mori
    • F16C39/06H02K7/09H02K11/04H02K17/16F16C32/04
    • F16C32/0497F16C32/0444H02K11/33H02K7/09
    • An object of the present invention is to provide a bearingless rotary machine which is capable of stably controlling the levitated position of a rotor of an induction motor even if the rotor comprises a squirrel-cage type rotor that is simple in structure and can easily be manufactured.A bearingless rotary machine has a rotor having secondary current paths and a stator spaced from the rotor by a gap. The stator has two kinds of windings for imparting a rotating and a levitating and supporting force to the rotor. The rotary machine has a magnetic field command calculator, magnetic flux distribution detecting means and correcting means for adjusting the detected control magnetic flux distribution to coincide with the magnetic field distribution command.
    • 本发明的目的是提供一种能够稳定地控制感应电动机的转子的悬浮位置的无轴承旋转机械,即使转子包括结构简单且容易制造的鼠笼式转子 。 无轴承旋转机具有具有次级电流路径的转子和与转子间隔开的定子。 定子具有两种绕组,用于向转子施加旋转和悬浮和支撑力。 旋转机具有磁场指令计算器,磁通分布检测装置和校正装置,用于调整检测到的控制磁通量分布以与磁场分布指令一致。