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    • 2. 发明申请
    • IMPELLER SUSPENSION MECHANISM FOR HEART PUMP
    • 用于心脏泵的叶轮悬挂机构
    • WO2016130989A1
    • 2016-08-18
    • PCT/US2016/017864
    • 2016-02-12
    • THORATEC CORPORATION
    • YANAI, MasamichiNANNA, Jason
    • A61M1/10F04D13/06
    • A61M1/1036A61M1/101A61M1/1015A61M1/1017A61M1/1031A61M1/1086A61M1/122F04D13/064F04D13/0666F04D29/047F04D29/048
    • A centrifugal blood pump includes a housing that defines an inlet passage, a chamber, and an outlet passage. The pump includes an impeller rotatably positioned in the chamber to transfer blood from the inlet passage through the chamber and to the outlet passage and magnetic members embedded in the impeller such that the impeller and the magnetic members rotate together within the chamber. The pump includes a motor to control movement of the impeller in the chamber. The motor is adjacent the chamber and separated from the chamber by a partition member. The pump includes an inner annular magnetic member and an outer annular magnetic member embedded in a side of the housing opposite the partition member. A first net magnetic force between the inner annular magnetic member and the magnetic members exhibits greater attraction than a second net magnetic force between the outer annular member and the magnetic members.
    • 离心式血液泵包括限定入口通道,腔室和出口通道的壳体。 泵包括可旋转地定位在腔室中的叶轮,以将血液从入口通道经过腔室传送到出口通道和嵌入在叶轮中的磁性构件,使得叶轮和磁性构件在腔室内一起旋转。 该泵包括一个马达来控制在该腔室中的叶轮运动。 马达与腔室相邻并且通过分隔构件与腔室分离。 泵包括内环形磁性构件和嵌入壳体与分隔构件相对的一侧的外环形磁性构件。 内部环形磁性构件和磁性构件之间的第一净磁力力显示出比外部环形构件和磁性构件之间的第二净磁力更大的吸引力。
    • 6. 发明申请
    • FLUID PUMP HAVING WATERPROOF STRUCTURE
    • 具防水结构的流体泵
    • WO2011145844A3
    • 2012-03-22
    • PCT/KR2011003576
    • 2011-05-16
    • AMOTECH CO LTDKIM BYOUNG SOO
    • KIM BYOUNG SOO
    • F04D13/06F04D13/08F04D29/40F04D29/66
    • F04D13/06F04D13/027F04D13/0666
    • The fluid pump of the present invention includes: a first housing and a second housing coupled with each other; a supporting shaft fixed to the second housing; an impeller received in the first housing which pumps fluid; a stator fixed to the second housing; a first rotor arranged inside the second housing, rotatably supported by the supporting shaft, and disposed in the second housing to face one side surface of the stator; and a second rotor fixed to the impeller and disposed to face the other side surface of the stator. It is possible to realize a slim structure by employing an axial type BLDC motor as a motor for driving the impeller and to improve the waterproof performance of the motor by forming the stator of the motor to be buried in the housing.
    • 本发明的流体泵包括:第一壳体和彼此联接的第二壳体; 固定到第二壳体的支撑轴; 容纳在第一壳体中的叶轮泵送流体; 固定在所述第二壳体上的定子; 第一转子,其布置在所述第二壳体内部,由所述支撑轴可旋转地支撑,并且设置在所述第二壳体中以面对所述定子的一个侧表面; 以及第二转子,其固定到所述叶轮并且设置成面向所述定子的另一侧面。 通过采用轴向型BLDC电动机作为驱动叶轮的电动机,通过形成要埋在壳体中的电动机的定子来提高电动机的防水性能,可以实现纤细的结构。
    • 9. 发明申请
    • ROTARY BLOOD PUMP
    • 旋转血液泵
    • WO2010029296A2
    • 2010-03-18
    • PCT/GB2009/002163
    • 2009-09-09
    • ASTON UNIVERSITYTANSLEY, Geoffrey, DouglasHILTON, Andrew, Steven
    • TANSLEY, Geoffrey, DouglasHILTON, Andrew, Steven
    • A61M1/10
    • A61M1/1036A61M1/101A61M1/1015A61M1/1017A61M1/1031A61M1/12A61M1/122F04D13/0666F04D29/048
    • There is described a rotary blood pump comprising a rotor and a stator which houses the rotor. The rotor defines an axis of rotation. The rotor has a rotor hydrodynamic bearing surface and rotor bearing magnets. The stator has a stator hydrodynamic bearing surface and stator bearing magnets. The rotor hydrodynamic bearing surface and the stator hydrodynamic bearing surface are arranged to form an axial hydrodynamic bearing with a bearing gap therebetween for the passage of blood. The hydrodynamic bearing is arranged to provide a hydrodynamic force which acts to force the hydrodynamic bearing surfaces axially apart during rotation of the rotor. The stator bearing magnets and the rotor bearing magnets are arranged to form an axial magnetic bearing for preloading the hydrodynamic bearing by providing a magnetic force which acts to force the hydrodynamic bearing surfaces axially together.
    • 描述了一种旋转血泵,其包括转子和定子,其容纳转子。 转子限定旋转轴。 转子具有转子流体动力轴承表面和转子轴承磁体。 定子具有定子流体动力轴承表面和定子轴承磁体。 转子流体动力轴承表面和定子流体动力轴承表面被布置成形成轴向流体动力轴承,其间具有用于血液通过的轴承间隙。 流体动力轴承设置成提供流体动力,其作用是在转子旋转期间迫使流体动力轴承表面轴向分开。 定子轴承磁体和转子轴承磁体被布置成形成轴向磁轴承,用于通过提供用于将流体动力轴承表面轴向地压在一起的磁力来预加载流体动力轴承。