METHOD FOR PHYSIOLOGIC CONTROL OF A CONTINUOUS FLOW TOTAL ARTIFICIAL HEART
    1.
    发明申请
    METHOD FOR PHYSIOLOGIC CONTROL OF A CONTINUOUS FLOW TOTAL ARTIFICIAL HEART 有权
    连续流量人造心脏生理控制方法

    公开(公告)号:US20140172087A1

    公开(公告)日:2014-06-19

    申请号:US14187615

    申请日:2014-02-24

    Abstract: A method is provided of controlling a pump including a electrical motor coupled to a rotor which carries first and second impellers at opposite ends thereof. The method includes: (a) driving the rotor using the motor, so as to circulate fluid from the first impeller through a first fluid circuit, the second impeller, a second fluid circuit, and back to the first impeller; (b) determining a resistance of the first fluid circuit, based on a first motor parameter which is a function of electrical power delivered to the motor; (c) determining a flow rate through the first fluid circuit based on a second motor parameter which is a function of electrical power delivered to the motor; and (d) varying at least one operational parameter of the pump so as to maintain a predetermined relationship between the flow rate and the resistance of the first fluid circuit.

    Abstract translation: 提供了一种控制泵的方法,该泵包括耦合到转子的电动机,该转子在其相对端承载第一和第二叶轮。 该方法包括:(a)使用电动机驱动转子,以使来自第一叶轮的流体通过第一流体回路,第二叶轮,第二流体回路循环到第一叶轮; (b)基于作为传送到电动机的电功率的函数的第一电动机参数来确定第一流体回路的电阻; (c)基于作为传送到所述电动机的电功率的函数的第二电动机参数来确定通过所述第一流体回路的流量; 以及(d)改变所述泵的至少一个操作参数,以便保持所述第一流体回路的流量和所述阻力之间的预定关系。

    Method for physiologic control of a continuous flow total artificial heart
    2.
    发明授权
    Method for physiologic control of a continuous flow total artificial heart 有权
    连续流总人造心脏生理控制方法

    公开(公告)号:US08657874B2

    公开(公告)日:2014-02-25

    申请号:US12349658

    申请日:2009-01-07

    Abstract: A method is provided of controlling a pump including a electrical motor coupled to a rotor which carries first and second impellers at opposite ends thereof. The method includes: (a) driving the rotor using the motor, so as to circulate fluid from the first impeller through a first fluid circuit, the second impeller, a second fluid circuit, and back to the first impeller; (b) determining a resistance of the first fluid circuit, based on a first motor parameter; (c) determining a flow rate through the first fluid circuit based on a second motor parameter; and (d) varying at least one operational parameter of the pump so as to maintain a predetermined relationship between the flow rate and the resistance of the first fluid circuit.

    Abstract translation: 提供了一种控制泵的方法,该泵包括耦合到转子的电动机,该转子在其相对端承载第一和第二叶轮。 该方法包括:(a)使用电动机驱动转子,以使来自第一叶轮的流体通过第一流体回路,第二叶轮,第二流体回路循环到第一叶轮; (b)基于第一电动机参数确定第一流体回路的电阻; (c)基于第二电动机参数确定通过第一流体回路的流量; 以及(d)改变所述泵的至少一个操作参数,以便保持所述第一流体回路的流量和所述阻力之间的预定关系。

    Hot wire igniter
    3.
    发明申请
    Hot wire igniter 审中-公开
    热丝点火器

    公开(公告)号:US20050053884A1

    公开(公告)日:2005-03-10

    申请号:US10655399

    申请日:2003-09-05

    CPC classification number: F23Q7/10

    Abstract: A hot wire igniter for igniting a gas appliance is disclosed. The coil of the hot wire igniter is formed from a thin high temperature, iron, chromium, aluminum alloy having a center section that is tightly wound. Alternatively, the coil can be formed from an alloy of platinum and iridium, or a similar high temperature metal alloy. The coil turns initially do not touch one another and each end of the coil is welded to a lead-in rod that is received within an insulator member. The lead-in rods are connected to a power source. The coil portion of the hot wire igniter is received within a gas collector box which is attached to the burner to be ignited. Application of the voltage source to the lead-in rods causes the coil of wire to reach a temperature in excess of the ignition temperature of the gas-air mixture which surrounds same causing the ignition of the mixture.

    Abstract translation: 公开了用于点燃燃气器具的热丝点火器。 热丝点火器的线圈由具有紧密缠绕的中心部分的薄的高温铁,铬,铝合金形成。 或者,线圈可以由铂和铱的合金或类似的高温金属合金形成。 线圈最初不彼此接触,并且线圈的每个端部被焊接到容纳在绝缘体构件内的引入杆。 导入杆连接到电源。 热线点火器的线圈部分被接收在附接到燃烧器以被点燃的集气箱内。 将电压源施加到引入杆使得线圈线圈达到超过围绕其的气体 - 空气混合物的点燃温度的温度,引起混合物的点燃。

    CENTRIFUGAL PUMP WITH OFFSET VOLUTE
    5.
    发明申请
    CENTRIFUGAL PUMP WITH OFFSET VOLUTE 有权
    离心泵离心泵

    公开(公告)号:US20100150749A1

    公开(公告)日:2010-06-17

    申请号:US12336283

    申请日:2008-12-16

    Applicant: David Horvath

    Inventor: David Horvath

    Abstract: A pump includes: (a) an elongated pump housing having first and second ends; (b) a primary impeller mounted in the housing for rotation about an axis, the impeller comprising a plurality of vanes whose outer tips define an impeller plane; (c) an inlet disposed in fluid communication with the primary impeller; and (d) an annular volute housing communicating with the primary impeller and with an outlet, where the volute housing is axially offset from the impeller plane.

    Abstract translation: 泵包括:(a)具有第一和第二端的细长泵壳体; (b)安装在所述壳体中以绕轴线旋转的主叶轮,所述叶轮包括多个叶片,其外部尖端限定叶轮平面; (c)设置成与所述主叶轮流体连通的入口; 和(d)与主叶轮连通并具有出口的环形蜗壳壳体,其中蜗壳壳体与叶轮平面轴向偏移。

    Two-stage rotodynamic blood pump
    6.
    发明申请
    Two-stage rotodynamic blood pump 有权
    两级旋转动力血泵

    公开(公告)号:US20070253842A1

    公开(公告)日:2007-11-01

    申请号:US11789205

    申请日:2007-04-24

    Abstract: A pump (10) includes a housing, a stator (20) supported in the housing, and a rotor assembly (30). The rotor assembly (30) includes a rotor (32) supported in the housing for rotation relative to the stator (20) about an axis (12). The rotor assembly (30) also includes a first impeller (34) operatively coupled to a first axial end of the rotor (32) for rotation with the rotor about the axis (12). The rotor assembly further includes a second impeller (36) operatively coupled to a second axial end of the rotor (32), opposite the first axial end, for rotation with the rotor about the axis (12). The rotor assembly (30) is movable along the axis (12) relative to the housing to adjust hydraulic performance characteristics of the pump (10).

    Abstract translation: 泵(10)包括壳体,支撑在壳体中的定子(20)和转子组件(30)。 转子组件(30)包括支撑在壳体中以绕轴线(12)相对于定子(20)旋转的转子(32)。 转子组件(30)还包括可操作地联接到转子(32)的第一轴向端部的第一叶轮(34),用于使转子围绕轴线(12)旋转。 转子组件还包括可操作地联接到转子(32)的与第一轴向端相对的第二轴向端的第二叶轮(36),用于使转子绕轴线(12)旋转。 转子组件(30)可相对于壳体沿着轴线(12)移动,以调节泵(10)的液压性能特性。

    TWO-STAGE ROTODYNAMIC BLOOD PUMP
    7.
    发明申请
    TWO-STAGE ROTODYNAMIC BLOOD PUMP 有权
    两阶段动态血液泵

    公开(公告)号:US20120328460A1

    公开(公告)日:2012-12-27

    申请号:US13540037

    申请日:2012-07-02

    Abstract: A pump includes a housing, a stator supported in the housing, and a rotor assembly including a rotor supported in the housing for rotation relative to the stator about an axis. The stator includes a stator core, a first lamination wound around an axial portion of the stator core, and a second lamination wound around a second axial portion of the stator core. The first and second laminations are spaced from each other along the length of the stator core. The rotor includes a rotor core, a first magnet assembly that extends around an axial portion of the rotor core, and a second magnet assembly that extends around a second axial portion of the rotor core. The first and second magnet assemblies are spaced from each other along the length of the rotor.

    Abstract translation: 泵包括壳体,支撑在壳体中的定子,以及转子组件,其包括支撑在壳体中的转子,用于相对于定子围绕轴线旋转。 定子包括定子芯,围绕定子芯的轴向部分缠绕的第一层叠体,以及卷绕在定子芯的第二轴向部分上的第二层压体。 第一和第二叠片沿着定子芯的长度彼此间隔开。 转子包括转子芯,围绕转子芯的轴向部分延伸的第一磁体组件和围绕转子芯的第二轴向部分延伸的第二磁体组件。 第一和第二磁体组件沿着转子的长度彼此间隔开。

    TWO-STAGE ROTODYNAMIC BLOOD PUMP
    8.
    发明申请
    TWO-STAGE ROTODYNAMIC BLOOD PUMP 有权
    两阶段动态血液泵

    公开(公告)号:US20100168848A1

    公开(公告)日:2010-07-01

    申请号:US12720953

    申请日:2010-03-10

    Abstract: A pump (10) includes a housing, a stator (20) supported in the housing, and a rotor assembly (30). The rotor assembly (30) includes a rotor (32) supported in the housing for rotation relative to the stator (20) about an axis (12). The rotor assembly (30) also includes a first impeller (34) operatively coupled to a first axial end of the rotor (32) for rotation with the rotor about the axis (12). The rotor assembly further includes a second impeller (36) operatively coupled to a second axial end of the rotor (32), opposite the first axial end, for rotation with the rotor about the axis (12). The rotor assembly (30) is movable along the axis (12) relative to the housing to adjust hydraulic performance characteristics of the pump (10).

    Abstract translation: 泵(10)包括壳体,支撑在壳体中的定子(20)和转子组件(30)。 转子组件(30)包括支撑在壳体中以绕轴线(12)相对于定子(20)旋转的转子(32)。 转子组件(30)还包括可操作地联接到转子(32)的第一轴向端部的第一叶轮(34),用于使转子围绕轴线(12)旋转。 转子组件还包括可操作地联接到转子(32)的与第一轴向端相对的第二轴向端的第二叶轮(36),用于使转子绕轴线(12)旋转。 转子组件(30)可相对于壳体沿着轴线(12)移动,以调节泵(10)的液压性能特性。

    Centrifugal pump with offset volute
    10.
    发明授权
    Centrifugal pump with offset volute 有权
    离心泵具有偏心蜗壳

    公开(公告)号:US08517699B2

    公开(公告)日:2013-08-27

    申请号:US12336283

    申请日:2008-12-16

    Applicant: David Horvath

    Inventor: David Horvath

    Abstract: A pump includes: (a) an elongated pump housing having first and second ends; (b) a primary impeller mounted in the housing for rotation about an axis, the impeller comprising a plurality of vanes whose outer tips define an impeller plane; (c) an inlet disposed in fluid communication with the primary impeller; and (d) an annular volute housing communicating with the primary impeller and with an outlet, where the volute housing is axially offset from the impeller plane.

    Abstract translation: 泵包括:(a)具有第一和第二端的细长泵壳体; (b)安装在所述壳体中以绕轴线旋转的主叶轮,所述叶轮包括多个叶片,其外部尖端限定叶轮平面; (c)设置成与所述主叶轮流体连通的入口; 和(d)与主叶轮连通并具有出口的环形蜗壳壳体,其中蜗壳壳体与叶轮平面轴向偏移。

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