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1. 发明专利

JP2012013043A Rotary drive device and centrifugal pump device using the same 审中-公开
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：JP2012013043A
公开(公告)日：2012-01-19
申请号：JP2010152292
申请日：2010-07-02
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , YAMADA HIROYUKI , SUGIURA AKIRA
IPC分类号： F04D13/06 , F04D7/04 , F04D29/00
摘要： PROBLEM TO BE SOLVED: To provide a rotary drive device that has high efficiency of energy, low cost and compact size.SOLUTION: This centrifugal blood pump device includes: an impeller 10 arranged in a blood chamber 7; a plurality of permanent magnets 17 arranged at the impeller 10; a plurality of sets of magnetic materials 18 which are arranged in a motor chamber 8, and rotatively drive the impeller 10 via a partition 6; and a coil 20. The magnetic materials 18 include band-shaped thin magnetic steel plates 18a which are wound around a center line L1 a plurality of times. By this arrangement, iron losses in the magnetic materials 18 can be reduced by a simple constitution.
摘要翻译：要解决的问题：提供一种能量高，成本低，体积小的旋转驱动装置。该离心式血液泵装置包括：布置在血液室7中的叶轮10; 设置在叶轮10的多个永磁体17; 多组磁性材料18，其布置在电动机室8中，并通过隔板6可旋转地驱动叶轮10; 以及线圈20.磁性材料18包括缠绕在中心线L1上多次的带状薄磁钢板18a。通过这种布置，可以通过简单的结构来减小磁性材料18中的铁损。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2010261394A Centrifugal pump device 有权
标题翻译：离心泵装置
公开(公告)号：JP2010261394A
公开(公告)日：2010-11-18
申请号：JP2009113753
申请日：2009-05-08
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , YAMADA HIROYUKI , SUZUKI KENICHI , SUGIURA AKIRA
IPC分类号： F04D7/04 , A61M1/10 , F04D13/02 , F04D29/00 , F04D29/047 , F04D29/048 , F16H49/00 , H02K7/14
摘要： PROBLEM TO BE SOLVED: To provide a centrifugal pump device having high support stiffness of an impeller. SOLUTION: In a centrifugal blood pump device, permanent magnets 15a, 15b are provided to one surface of an impeller 10, permanent magnets 16a, 16b are provided to an inner wall of a blood chamber 7, permanent magnets 50 are provided to another surface of the impeller 10, permanent magnets 51 and a rotor 52 which rotationally drive the impeller 10 through the partition wall 6 are provided, and dynamic pressure grooves 21, 22 are formed on inner walls of the partition wall 6 opposing to the impeller 10 and the inner wall of the blood chamber 7. Amount ΔF1 of variation in attraction force F1 between the permanent magnets 15a, 15b and the permanent magnets 16a, 16b and amount ΔF2 of variation in the attraction force F2 between the permanent magnets 50, 51, the variations being those which occur when the impeller 10 is eccentrically located, are made to be substantially agree with each other. Accordingly, a floating position of the impeller 10 can be always maintained at substantially a center within a housing 2, mechanical contact of the impeller 10 and the housing 2 can be reduced, and occurrence of erythrocytolysis and thrombus can be prevented. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供具有叶轮的高支撑刚度的离心泵装置。解决方案：在离心式血液泵装置中，永磁体15a，15b设置在叶轮10的一个表面上，永久磁铁16a，16b设置在血液室7的内壁，永磁体50设置在设置叶轮10的另一个表面，通过分隔壁6旋转驱动叶轮10的永磁体51和转子52，并且在分隔壁6的与叶轮10相对的内壁上形成动压槽21,22 永久磁铁15a，15b与永久磁铁16a，16b之间的吸引力F1的变化量ΔF1和永久磁铁50,51，16b之间的吸引力F2的变化量ΔF1，当叶轮10偏心定位时发生的变化基本上彼此一致。因此，叶轮10的浮动位置能够始终保持在壳体2的大致中央，能够减小叶轮10与壳体2的机械接触，能够防止发生红细胞溶解和血栓。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2007089973A Centrifugal blood pump apparatus 有权
标题翻译：离心泵装置
公开(公告)号：JP2007089973A
公开(公告)日：2007-04-12
申请号：JP2005286600
申请日：2005-09-30
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , SUZUKI KENICHI
IPC分类号： A61M1/10 , F04D13/02 , F04D29/02 , F04D29/24
摘要： PROBLEM TO BE SOLVED: To provide a centrifugal blood pump apparatus which is a type that an impeller is magnetically drawn from both top and bottom directions, can make the impeller light, is excellent in an antidisturbance capacity, prevents a breakaway of a magnetic body stored at the inside and the exfoliation of an impeller component or the like, and is equipped with the impeller having a sufficient durability. SOLUTION: The centrifugal blood pump apparatus 1 is equipped with a housing 20 and a first and a second magnetic bodies 29 and 25, and is further equipped with the impeller 21 to send the liquid by the centrifugal force during rotation, an impeller rotation torque generating section 3 for drawing and rotating the magnetic body 25 and a non-contact shaft bearing mechanism to magnetically draw the magnetic body 29 of the impeller 21 to the opposite side of the impeller rotation torque generating section 3. The impeller 21 is equipped with an impeller main body member 18 formed by a thermoplastic polymer material and an impeller surface forming member 28 and the magnetic body 29 is nonmovably disposed between the above two. The impeller main body member 18 and the impeller surface forming member 28 touch each other and are welded together at annular outer edge sections and annular inner edge sections. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种离心式血液泵装置，其是叶轮从顶部和底部两个方向被磁力拉伸的类型，可以使叶轮轻，抗干扰能力优异，防止了储存在内部的磁体和叶轮部件等的剥离，并且配备有具有足够的耐久性的叶轮。解决方案：离心式血液泵装置1配备有壳体20和第一和第二磁性体29,25，并且还配备有叶轮21，以在旋转期间通过离心力发送液体，叶轮用于拉动和旋转磁体25的旋转转矩产生部分3和用于将叶轮21的磁体29磁性地牵引到叶轮旋转转矩产生部分3的相反侧的非接触轴承机构。叶轮21装备具有由热塑性聚合物材料形成的叶轮主体构件18和叶轮表面形成构件28，并且磁性体29不可移动地设置在上述两者之间。叶轮主体部件18和叶轮面形成部件28彼此接触并且在环形外边缘部分和环形内边缘部分处被焊接在一起。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2012205349A Rotary drive device and centrifugal pump device using the same 审中-公开
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：JP2012205349A
公开(公告)日：2012-10-22
申请号：JP2011065876
申请日：2011-03-24
申请人： Ntn Corp , Terumo Corp , Ntn株式会社 , テルモ株式会社
发明人： OZAKI TAKAMI , YAMADA HIROYUKI , SUGIURA AKIRA
IPC分类号： H02K5/22 , A61M1/10 , F04D13/06 , F04D29/00 , H02K21/26
摘要： PROBLEM TO BE SOLVED: To provide a small-sized rotary drive device with excellent assembly workability, productivity and reliability.SOLUTION: This centrifugal blood pump device comprises an impeller 10 provided inside a blood chamber 7, and two or more sets of magnetic bodies 18 and coils 20 provided inside a motor chamber 8 for rotationally driving the impeller 10 through a partition wall 6. The plurality of coils 20 are connected to a disk-like printed board 23, and drive voltages VV, VU and VW are supplied from the outside to the plurality of coils 20 through wiring patterns L1-L3 of the printed board 23. Thus, while maintaining the miniaturization of a device dimension, the assembly workability, the productivity and the reliability are improved.
摘要翻译：要解决的问题：提供具有优异的组装操作性，生产率和可靠性的小型旋转驱动装置。解决方案：该离心式血液泵装置包括设置在血液室7内的叶轮10和设置在马达室8内的两组或多组磁体18和线圈20，用于通过分隔壁6旋转驱动叶轮10 多个线圈20连接到盘状印刷电路板23，并且驱动电压VV，VU和VW通过印刷电路板23的布线图案L1-L3从外部提供给多个线圈20.因此，同时保持设备尺寸的小型化，提高了组装可操作性，生产率和可靠性。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2010136863A Centrifugal type pump apparatus 有权
标题翻译：离心式泵装置
公开(公告)号：JP2010136863A
公开(公告)日：2010-06-24
申请号：JP2008315540
申请日：2008-12-11
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , YAMADA HIROYUKI , SUZUKI KENICHI , SUGIURA AKIRA
IPC分类号： A61M1/10 , F04D7/04 , F04D13/06 , F04D15/00 , H02K7/08 , H02K21/24 , H02P27/06
CPC分类号： F04D13/0666 , A61M1/101 , A61M1/1012 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/122 , F04D29/048
摘要： PROBLEM TO BE SOLVED: To provide a compact, centrifugal type pump apparatus smoothly activating an impeller to rotate. SOLUTION: The centrifugal type blood pump apparatus is equipped with the impeller 10 provided in a blood chamber 7, a permanent magnet 15 provided on one surface of the impeller 10, a permanent magnet 16 provided on the inner wall of the blood chamber 7, a permanent magnet 17 provided on the other surface of the impeller 10, a magnetic body 18 and a coil 20 provided in a motor chamber 8 for driving the impeller 10 to rotate through a partition wall 6, and a comparison operation part 31 for obtaining a position of the impeller 10 from information indicating a coil voltage, a coil current, and the number of revolutions of the impeller 10. Dynamic pressure grooves 21, 22 are respectively formed on the partition wall 6 facing the impeller 10 and the inner wall of the blood chamber 7. Consequently, the impeller 10 is smoothly activated to rotate by controlling the coil current. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种紧凑的离心式泵装置，其平滑地启动叶轮以旋转。解决方案：离心式血液泵装置配备有设置在血液室7中的叶轮10，设置在叶轮10的一个表面上的永磁体15，设置在血液室的内壁上的永磁体16 如图7所示，设置在叶轮10的另一个表面上的永磁体17，设置在马达室8中的磁体18和线圈20，用于驱动叶轮10通过分隔壁6旋转;以及比较运算部31，从指示线圈电压，线圈电流和叶轮10的转数的信息获得叶轮10的位置。动态压力槽21,22分别形成在面向叶轮10的分隔壁6上，内壁因此，通过控制线圈电流，叶轮10平滑地被激活以转动。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010031873A Magnetic levitation pump device 有权
标题翻译：磁力吸引泵装置
公开(公告)号：JP2010031873A
公开(公告)日：2010-02-12
申请号：JP2009244400
申请日：2009-10-23
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , SUZUKI KENICHI
IPC分类号： F04D13/02 , A61M1/10 , F04D29/048 , F16C32/04
CPC分类号： F16C32/0451
摘要： PROBLEM TO BE SOLVED: To provide a magnetic levitation pump device for achieving highly accurate measurement of positional information on an impeller in a pump chamber and stable magnetic levitation of the impeller. SOLUTION: This magnetic levitation pump device 1 controls an electric current Im of an electromagnet 31 based on an output signal of a magnetic sensor 222 arranged in close vicinity to the electromagnet 31 for a magnetic bearing, and limits an upper limit value of output of a PID compensator 224 by a limit circuit 210. Thus, a maximum value of a drift in sensor output can be limited, and accurate positional information on the impeller 23 can be provided. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于实现泵室中的叶轮上的位置信息的高精度测量的磁悬浮泵装置以及叶轮的稳定的磁悬浮。解决方案：该磁悬浮泵装置1基于布置在靠近用于磁轴承的电磁体31的磁传感器222的输出信号来控制电磁体31的电流Im，并且限制上限值由限位电路210输出PID补偿器224.因此，可以限制传感器输出中的漂移的最大值，并且可以提供叶轮23上的精确位置信息。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2007089974A Centrifugal blood pump apparatus 有权
标题翻译：离心泵装置
公开(公告)号：JP2007089974A
公开(公告)日：2007-04-12
申请号：JP2005286601
申请日：2005-09-30
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , SUZUKI KENICHI
IPC分类号： A61M1/10 , F04D13/02 , F04D29/24
CPC分类号： F04D13/0666 , F04D29/048
摘要： PROBLEM TO BE SOLVED: To provide a centrifugal blood pump apparatus which can make the impeller light, is excellent in an antidisturbance capacity, and prevents the detection trouble of a position sensor in the centrifugal blood pump of a type that the impeller is magnetically drawn from both top and bottom directions. SOLUTION: The centrifugal blood pump apparatus 1 is equipped with a housing 20, a first magnetic body 25 and a flat ring type second magnetic body 28, and includes the impeller 21 to send the blood by rotating in the housing 20, an impeller rotation torque generating section 3 for drawing the first magnetic body 25 and rotating the impeller 21, an electromagnet 41 for drawing the second magnetic body 28 and the position sensor 42. The impeller 21 is equipped with an impeller main body member 18 and a ring type and thin impeller surface forming member 29 which is fixed to a surface of the impeller main body member and covers the second magnetic body 28. The second magnetic body 28 has an annular groove 28a to extend circumferentially and the impeller surface forming member has an annular projection 29a to enter into the annular groove 28a. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够使叶轮变亮的离心式血液泵装置，具有优异的防干扰能力，并且防止离心式血液泵中的位置传感器的检测问题是叶轮是从上下方向磁吸取。解决方案：离心式血液泵装置1配备有壳体20，第一磁性体25和平环型第二磁性体28，并且包括通过在壳体20内旋转而输送血液的叶轮21，用于牵引第一磁性体25并使叶轮21旋转的叶轮旋转转矩产生部3，用于拉拔第二磁性体28和位置传感器42的电磁体41.叶轮21配备有叶轮主体部件18和环型和薄叶轮表面形成构件29，其固定到叶轮主体构件的表面并且覆盖第二磁体28.第二磁性体28具有环形槽28a，环形槽28a沿周向延伸，并且叶轮表面形成构件具有环形突起29a进入环形槽28a。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2007089972A Centrifugal blood pump apparatus 有权
标题翻译：离心泵装置
公开(公告)号：JP2007089972A
公开(公告)日：2007-04-12
申请号：JP2005286599
申请日：2005-09-30
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , SUZUKI KENICHI
IPC分类号： A61M1/10 , F04D13/02 , F04D13/06 , F04D29/00 , F04D29/046
CPC分类号： F04D29/048 , A61M1/101 , A61M1/1012 , A61M1/1015 , A61M1/1031 , A61M1/1036 , A61M1/12 , A61M1/122 , F04D13/0666
摘要： PROBLEM TO BE SOLVED: To provide a centrifugal blood pump apparatus which is excellent in an antidisturbance capacity of an impeller and enables the miniaturization of the apparatus in the centrifugal blood pump of a type that the impeller is magnetically drawn from both top and bottom directions. SOLUTION: The centrifugal blood pump apparatus 1 is equipped with a housing 20, a second magnetic body 29 and a first magnetic body 25, and is further equipped with the impeller 21 to send the liquid by the centrifugal force during rotation, an impeller rotation torque generating section 3 for drawing and rotating the first magnetic body 25 and a non-contact shaft bearing mechanism to magnetically draw the second magnetic body 29 of the impeller 21 to the opposite side of the impeller rotation torque generating section 3. The center P3 of the rotation torque generated by the impeller rotation torque generating section 3 is at an eccentric position to the center P1 of an impeller rotation range 20c of a centrifugal pump section 2. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种离心式血液泵装置，该离心式血液泵装置具有优良的叶轮的抗干扰能力，并能使离心式血液泵中的装置小型化，使叶轮从顶部和底部方向解决方案：离心式血液泵装置1配备有壳体20，第二磁性体29和第一磁性体25，并且还配备有叶轮21，以在旋转期间通过离心力发送液体，叶轮旋转转矩产生部分3，用于拉动和旋转第一磁体25和非接触轴承机构，以将叶轮21的第二磁体29磁性地牵引到叶轮旋转转矩产生部分3的相对侧。中心由叶轮旋转转矩产生部3产生的旋转转矩的P3位于离心泵部2的叶轮旋转范围20c的中心P1的偏心位置。（C）2007，JPO＆INPIT

9. 发明专利

JP2005127222A Magnetic levitating pump 有权
标题翻译：磁力吸引泵
公开(公告)号：JP2005127222A
公开(公告)日：2005-05-19
申请号：JP2003363607
申请日：2003-10-23
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , SUZUKI KENICHI
IPC分类号： F04D13/02 , F04D13/06 , F04D29/04 , F04D29/048
CPC分类号： F04D29/048 , A61M1/101 , A61M1/1015 , A61M1/1031 , A61M1/1086 , A61M1/122 , F04D13/0666
摘要： PROBLEM TO BE SOLVED: To shorten length L5 of an electromagnet for a magnetic bearing by reducing maximum required attraction force f2 of the electromagnet 31 for the magnetic bearing by reducing axial support stiffness to an impeller 23 generated by a support mechanism in a radial direction. SOLUTION: In this magnetic levitating pump 1 has length L5 of the electromagnet for the magnetic bearing shortened by reducing the maximum required attraction force f2 of the electromagnet 31 of the magnetic bearing by differentiating a facing shape of an impeller side ferromagnetic body 51 (second ferromagnetic body) provided on a circumference surface of an impeller 23 in a direction of a position sensor side casing part and a casing side ferromagnetic body 52 (third ferromagnetic body) facing the impeller side ferromagnetic body 51 (second ferromagnetic body) and attracting an impeller 23 in a direction of a position sensor aide casing part 50. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了通过减小用于磁轴承的电磁体31的最大所需吸引力f2来减小用于磁轴承的电磁体的长度L5，通过减小由支撑机构产生的叶轮23的轴向支撑刚度来缩短用于磁轴承的长度L5 径向。解决方案：在这种磁悬浮泵1中，通过将叶轮侧铁磁体51的相对形状进行微分来减小磁性轴承的电磁体31的最大所需吸引力f2，缩短了用于磁性轴承的电磁体的长度L5 （第二铁磁体），其设置在叶轮23的圆周面上，位于传感器侧壳体部分的方向上，壳体侧铁磁体52（第三铁磁体）面向叶轮侧铁磁体51（第二铁磁体）并吸引在位置传感器侧壳体部分50的方向上的叶轮23。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2011169166A Centrifugal pump device 有权
标题翻译：离心泵装置
公开(公告)号：JP2011169166A
公开(公告)日：2011-09-01
申请号：JP2010031298
申请日：2010-02-16
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： OZAKI TAKAMI , YAMADA HIROYUKI , SUZUKI KENICHI , SUGIURA AKIRA
IPC分类号： F04D29/046 , F04D7/04 , F04D13/02 , F04D13/06
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： PROBLEM TO BE SOLVED: To provide a centrifugal pump device whose impeller has high support stiffness and which has high torque transmission efficiency.
SOLUTION: The centrifugal blood pump device comprises an impeller 10 provided in a blood chamber 7, permanent magnets 15a and 15b which are provided on the one surface of the impeller 10, and permanent magnets 16a and 16b which are provided in the inner wall of the blood chamber 7 and attract the permanent magnets 15a and 15b, respectively. The center line L2 of the permanent magnets 16a and 16b is arranged in a position different from that of the center line L1 of the side wall of the blood chamber 7 so that the rotation center line L3 of the impeller 10 accords with the center line L1 of the side wall of the blood chamber 7 at the time of the operation of the pump. Accordingly, high torque transmission efficiency is obtained.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种叶轮具有高支撑刚度并且具有高扭矩传递效率的离心泵装置。解决方案：离心式血液泵装置包括：设置在设置在叶轮10的一个表面上的血液室7中的永磁体15a和15b以及设置在叶轮10的内表面上的永磁体16a和16b的叶轮10 并且分别吸引永磁体15a和15b。永磁体16a，16b的中心线L2配置在与血液室7的侧壁的中心线L1不同的位置，使得叶轮10的旋转中心线L3与中心线L1 在泵的操作时血液室7的侧壁。因此，获得了高转矩传递效率。版权所有（C）2011，JPO＆INPIT

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