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1. 发明申请

US20100221130A1 BLOOD PUMP APPARATUS 有权
标题翻译：血液泵装置
公开(公告)号：US20100221130A1
公开(公告)日：2010-09-02
申请号：US12781254
申请日：2010-05-17
申请人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
发明人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
IPC分类号： F04B17/00 , F04D17/08
CPC分类号： F04D29/047 , A61M1/101 , A61M1/1012 , A61M1/1013 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , F04D13/027 , F04D13/0666 , F04D15/0088
摘要： A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other.
摘要翻译：一种血泵装置，包括壳体，包括叶轮的离心泵部分，并且在所述壳体内旋转以通过离心力供给流体;叶轮旋转扭矩产生部，用于吸引所述叶轮并旋转所述叶轮; 以及多个用于流体动力轴承的槽，设置在所述壳体的位于所述叶轮旋转转矩产生部分侧的内表面上，每个用于流体动力轴承的槽具有第一侧和第二侧，两个槽从所述部分的周边延伸其中用于流体动力轴承的槽形成为朝向其中心侧并且彼此相对的第三侧，第三侧将所述第一侧的一端和所述第二侧的一端彼此连接，第四侧将所述第二侧的另一端所述第一侧和所述第二侧的另一端彼此相对; 所述第一侧和所述第二侧分别形成为圆弧，使得所述圆弧的中心彼此不同。

2. 发明授权

US08430652B2 Blood pump apparatus 有权
标题翻译：血泵装置
公开(公告)号：US08430652B2
公开(公告)日：2013-04-30
申请号：US12781254
申请日：2010-05-17
申请人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
发明人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
IPC分类号： F04B17/03
CPC分类号： F04D29/047 , A61M1/101 , A61M1/1012 , A61M1/1013 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , F04D13/027 , F04D13/0666 , F04D15/0088
摘要： A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other.
摘要翻译：一种血泵装置，包括壳体，包括叶轮的离心泵部分，并且在所述壳体内旋转以通过离心力供给流体;叶轮旋转扭矩产生部，用于吸引所述叶轮并旋转所述叶轮; 以及多个用于流体动力轴承的槽，设置在所述壳体的位于所述叶轮旋转转矩产生部分侧的内表面上，每个用于流体动力轴承的槽具有第一侧和第二侧，两个槽从所述部分的周边延伸其中用于流体动力轴承的槽形成为朝向其中心侧并且彼此相对的第三侧，第三侧将所述第一侧的一端和所述第二侧的一端彼此连接，第四侧将所述第二侧的另一端所述第一侧和所述第二侧的另一端彼此相对; 所述第一侧和所述第二侧分别形成为圆弧，使得所述圆弧的中心彼此不同。

3. 发明授权

US07748964B2 Blood pump apparatus 有权
标题翻译：血泵装置
公开(公告)号：US07748964B2
公开(公告)日：2010-07-06
申请号：US11087851
申请日：2005-03-24
申请人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
发明人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
IPC分类号： F04B17/03 , F16C32/06
CPC分类号： F04D29/047 , A61M1/101 , A61M1/1012 , A61M1/1013 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , F04D13/027 , F04D13/0666 , F04D15/0088
摘要： A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other.
摘要翻译：一种血泵装置，包括壳体，包括叶轮的离心泵部分，并且在所述壳体内旋转以通过离心力供给流体;叶轮旋转扭矩产生部，用于吸引所述叶轮并旋转所述叶轮; 以及多个用于流体动力轴承的槽，设置在所述壳体的位于所述叶轮旋转转矩产生部分侧的内表面上，每个用于流体动力轴承的槽具有第一侧和第二侧，两个槽从所述部分的周边延伸其中用于流体动力轴承的槽形成为朝向其中心侧并且彼此相对的第三侧，第三侧将所述第一侧的一端和所述第二侧的一端彼此连接，第四侧将所述第二侧的另一端所述第一侧和所述第二侧的另一端彼此相对; 所述第一侧和所述第二侧分别形成为圆弧，使得所述圆弧的中心彼此不同。

4. 发明申请

US20050287022A1 Blood pump apparatus 有权
标题翻译：血泵装置
公开(公告)号：US20050287022A1
公开(公告)日：2005-12-29
申请号：US11087851
申请日：2005-03-24
申请人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
发明人： Mitsutoshi Yaegashi , Takehiko Asada , Takehisa Mori , Takayoshi Ozaki , Kenichi Suzuki
IPC分类号： A61M1/10 , F04B17/00 , F04B35/04 , F04D15/00 , F04D29/04 , F04D29/047
CPC分类号： F04D29/047 , A61M1/101 , A61M1/1012 , A61M1/1013 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , F04D13/027 , F04D13/0666 , F04D15/0088
摘要： A blood pump apparatus comprises a housing, a centrifugal pump section including an impeller and rotating inside the housing to feed a fluid by a centrifugal force, an impeller rotational torque generation section for attracting thereto said impeller and rotating said impeller; and a plurality of grooves for hydrodynamic bearing provided on an inner surface of said housing at a side of said impeller rotational torque generation section, each of the grooves for hydrodynamic bearing having a first side and a second side both extending from a periphery of said portion in which a groove for hydrodynamic bearing is formed toward a central side thereof and opposed to each other, a third side connecting one end of said first side and one end of said second side to each other, and a fourth side connecting said other end of said first side and said other end of said second side to each other; said first side and said second side are formed as a circular arc respectively in such a way that centers of said circular arcs are different from each other.
摘要翻译：一种血泵装置，包括壳体，包括叶轮的离心泵部分，并且在所述壳体内旋转以通过离心力供给流体;叶轮旋转扭矩产生部，用于吸引所述叶轮并旋转所述叶轮; 以及多个用于流体动力轴承的槽，设置在所述壳体的位于所述叶轮旋转转矩产生部分侧的内表面上，每个用于流体动力轴承的槽具有第一侧和第二侧，两个槽从所述部分的周边延伸其中用于流体动力轴承的槽形成为朝向其中心侧并且彼此相对的第三侧，第三侧将所述第一侧的一端和所述第二侧的一端彼此连接，第四侧将所述第二侧的另一端所述第一侧和所述第二侧的另一端彼此相对; 所述第一侧和所述第二侧分别形成为圆弧，使得所述圆弧的中心彼此不同。

5. 发明授权

US07470246B2 Centrifugal blood pump apparatus 有权
标题翻译：离心血泵装置
公开(公告)号：US07470246B2
公开(公告)日：2008-12-30
申请号：US10736610
申请日：2003-12-17
申请人： Takehisa Mori , Mitsutoshi Yaegashi , Takayoshi Ozaki
发明人： Takehisa Mori , Mitsutoshi Yaegashi , Takayoshi Ozaki
IPC分类号： A61M37/00 , F04B17/00 , A61M1/00
CPC分类号： A61M1/101 , A61M1/1012 , A61M1/1015 , A61M1/1031 , A61M1/1036 , A61M1/1086
摘要： A centrifugal blood pump apparatus has a centrifugal pump section including an impeller having a first magnetic material therein and rotating inside the housing to feed a fluid by a centrifugal force generated during a rotation thereof; an impeller rotational torque generation section having a rotor having a magnet for attracting the first magnetic material of the impeller thereto, and a motor for rotating the rotor; and a dynamic pressure groove formed at a portion, of an inner surface of the housing, located at a rotor-disposed side thereof. The centrifugal blood pump apparatus further includes an electromagnet for attracting the impeller in a direction opposite to a direction in which the magnet of the rotor attracts the impeller and helping the impeller levitate.
摘要翻译：离心式血液泵装置具有离心泵部，该离心泵部具有在其内部具有第一磁性体的叶轮，并且在壳体的内部旋转，以通过其旋转期间产生的离心力来供给流体; 叶轮旋转转矩产生部分，具有用于吸引叶轮的第一磁性材料的磁体的转子和用于使转子旋转的电动机; 以及形成在所述壳体的内表面的位于其设置在转子处的侧的部分处的动压槽。离心式血液泵装置还包括电磁铁，用于沿着与转子的磁体吸引叶轮并帮助叶轮悬浮的方向相反的方向吸引叶轮。

6. 发明授权

US09132215B2 Centrifugal pump apparatus 有权
标题翻译：离心泵装置
公开(公告)号：US09132215B2
公开(公告)日：2015-09-15
申请号：US13579239
申请日：2011-01-20
申请人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
发明人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
IPC分类号： A61M1/10 , F04D13/06 , F04D29/048
CPC分类号： A61M1/1036 , A61M1/101 , A61M1/1013 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/122 , F04D13/0633 , F04D13/0666 , F04D29/048
摘要： This centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a permanent magnet provided in one surface of the impeller, and a permanent magnet provided in an inner wall of the blood chamber, for attracting the permanent magnet. A centerline of the permanent magnet is arranged at a position different from that of a centerline of a sidewall of the blood chamber such that a rotation centerline of the impeller matches the centerline of the sidewall of the blood chamber during pump operation. Therefore, high torque transmission efficiency is obtained.
摘要翻译：该离心式血液泵装置包括设置在血液室中的叶轮，设置在叶轮的一个表面中的永磁体和设置在血液室的内壁中的用于吸引永磁体的永磁体。永磁体的中心线布置在与血液室的侧壁的中心线不同的位置处，使得在泵操作期间叶轮的旋转中心线与血液室的侧壁的中心线匹配。因此，获得高转矩传递效率。

7. 发明申请

US20130121821A1 CENTRIFUGAL PUMP APPARATUS 有权
标题翻译：离心泵装置
公开(公告)号：US20130121821A1
公开(公告)日：2013-05-16
申请号：US13810165
申请日：2011-06-28
申请人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
发明人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
IPC分类号： F04D1/00
CPC分类号： F04D1/00 , A61M1/101 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/122 , F04D13/0666 , F04D29/041 , F04D29/048 , F04D29/2261
摘要： This centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a first permanent magnet provided in one surface of the impeller, and a second permanent magnet provided in an inner wall of the blood chamber, for attracting the first permanent magnet. The attractive force between the first permanent magnet and the second permanent magnet on the opening side of a sidewall of the blood chamber is set to be smaller than the attractive force between the first permanent magnet and the second permanent magnet on the opposite side of the opening. As a result, inclination of the impeller with respect to a dividing wall during pump operation can be prevented.
摘要翻译：该离心式血液泵装置包括设置在血液室中的叶轮，设置在叶轮的一个表面中的第一永磁体和设置在血液室的内壁中的第二永磁体，用于吸引第一永磁体。在血液室的侧壁的开口侧的第一永久磁铁与第二永久磁铁之间的吸引力被设定为小于开口的相反侧的第一永久磁铁与第二永久磁铁之间的吸引力。因此，可以防止在泵运转时叶轮相对于分隔壁的倾斜。

8. 发明申请

US20090127956A1 MOTOR BUILT-IN MAGNETIC BEARING DEVICE 有权
标题翻译：电机内置磁性轴承装置
公开(公告)号：US20090127956A1
公开(公告)日：2009-05-21
申请号：US12095933
申请日：2006-11-13
申请人： Takayoshi Ozaki , Koichi Okada , Hiroyuki Yamada , Kenichi Suzuki
发明人： Takayoshi Ozaki , Koichi Okada , Hiroyuki Yamada , Kenichi Suzuki
IPC分类号： H02K7/09 , F04B47/08
CPC分类号： F16C39/06 , F01D15/005 , F01D15/10 , F04D25/024 , F04D25/0653 , F04D29/051 , F05D2240/51 , F05D2240/515 , F16C19/543 , F16C25/08 , F16C2362/52 , F25B9/004 , H02K5/1732 , H02K7/083 , H02K7/09 , H02K7/14 , H02K11/20
摘要： The device includes a rolling bearing unit supporting a radial load and a magnetic bearing unit supporting an axial load and/or a bearing preload; an electromagnet fitted to a spindle housing so as to confront, on a non-contact basis, a flange shaped thrust plate mounted on a main shaft; a motor rotor of a motor for driving the shaft, and a motor stator opposed to the rotor, the shaft being driven by magnetic or Lorentz forces developed between the rotor and the stator; and a sensor detecting an axial force acting on the bearing unit, and a controller controlling the electromagnet. In this device, the stiffness of a composite spring formed by the bearing unit and a support system for the bearing unit is chosen to be higher than the negative stiffness of a composite spring of a motor part comprised of the electromagnet and the motor.
摘要翻译：该装置包括支撑径向载荷的滚动轴承单元和支撑轴向载荷和/或轴承预载荷的磁轴承单元; 安装在主轴壳体上的电磁体，以便在非接触的基础上面对安装在主轴上的凸缘形止推板; 用于驱动轴的电动机的电动机转子和与转子相对的电动机定子，该轴由在转子和定子之间产生的磁力或洛伦兹力驱动; 以及传感器，其检测作用在所述轴承单元上的轴向力，以及控制所述电磁体的控制器。在该装置中，由轴承单元形成的复合弹簧的刚度和用于轴承单元的支撑系统的刚度被选择为高于由电磁体和电动机组成的电动机部件的复合弹簧的负刚度。

9. 发明授权

US09381285B2 Centrifugal pump apparatus 有权
标题翻译：离心泵装置
公开(公告)号：US09381285B2
公开(公告)日：2016-07-05
申请号：US13254597
申请日：2010-02-26
申请人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
发明人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
IPC分类号： F04D29/00 , A61M1/10 , F16C17/04 , F16C32/06 , F04D13/06 , F04D29/048 , F04D29/22 , F04D29/42 , F04D29/047
CPC分类号： F04D29/426 , A61M1/101 , A61M1/1013 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/1036 , A61M1/122 , F04D13/0666 , F04D29/0473 , F04D29/048 , F04D29/2261 , F16C17/045 , F16C32/0692
摘要： A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, first and second permanent magnets provided in one surface and the other surface of the impeller respectively, a third permanent magnet provided in an inner wall of the blood chamber, and a magnetic element and a coil for driving the impeller to rotate with a diaphragm being interposed. First and second grooves for hydrodynamic bearing different in shape and depth from each other are formed in the inner wall of the blood chamber facing the impeller, and third and fourth grooves for hydrodynamic bearing different in shape and depth from each other are formed in the diaphragm facing the impeller. The second and fourth grooves for hydrodynamic bearing generate high hydrodynamic pressure when the impeller is activated to rotate, while the first and third grooves for hydrodynamic bearing generate high hydrodynamic pressure when the impeller steadily rotates.
摘要翻译：离心式血液泵装置包括设置在血液室中的叶轮，分别设置在一个表面和另一个表面的第一和第二永磁体，设置在血液室的内壁中的第三永磁体，以及磁性元件以及用于驱动叶轮旋转的线圈，其中隔膜被插入。第一和第二沟槽在形状和深度彼此不同的流体动力轴承形成在面对叶轮的血液腔的内壁中，并且在隔膜中形成有不同形状和深度的流体动力轴承的第三和第四凹槽面向叶轮。用于流体动力轴承的第二和第四凹槽在叶轮启动旋转时产生高的流体动力学压力，而当叶轮稳定地旋转时，用于流体动力轴承的第一和第三凹槽产生高的流体动力学压力。

10. 发明授权

US08821365B2 Rotation drive device and centrifugal pump apparatus using the same 有权
标题翻译：旋转驱动装置和使用其的离心泵装置
公开(公告)号：US08821365B2
公开(公告)日：2014-09-02
申请号：US13387637
申请日：2010-07-06
申请人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
发明人： Takayoshi Ozaki , Hiroyuki Yamada , Kenichi Suzuki , Ken Sugiura
IPC分类号： A61M1/12
CPC分类号： H02K7/14 , A61M1/101 , A61M1/1015 , A61M1/1017 , A61M1/1029 , A61M1/1031 , A61M1/122 , F04D13/0633 , F04D13/064 , F04D13/0666 , F04D29/048 , H02K1/2793 , H02K5/1282 , H02K7/09 , H02K21/24
摘要： A centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a plurality of permanent magnets provided in the impeller, and a plurality of sets of magnetic materials and coils provided in a motor chamber for driving the impeller to rotate with a diaphragm interposed therebetween. The plurality of permanent magnets are aligned with a gap therebetween in a rotation direction of the impeller. Accordingly, if the weight of the permanent magnets is maintained at a constant value, a magnetic field can be strengthened even with a wide motor gap due to the diaphragm, as compared to an example where there is no gap between the permanent magnets.
摘要翻译：离心式血液泵装置包括设置在血液室中的叶轮，设置在叶轮中的多个永久磁铁，以及设置在电动机室中的多组磁性材料和线圈，用于驱动叶轮以其间插入的隔膜旋转。多个永磁体在叶轮的旋转方向上与其间的间隙对准。因此，如果永久磁铁的重量保持在恒定值，与永久磁铁之间没有间隙的情况相比，即使是由于膜片而产生的电动机间隙较大，也能够增强磁场。

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