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1. 发明专利

JP2010209691A Centrifugal pump device 有权
标题翻译：离心泵装置
公开(公告)号：JP2010209691A
公开(公告)日：2010-09-24
申请号：JP2009053661
申请日：2009-03-06
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： F04D13/02 , F04D7/04 , F04D29/048
摘要： PROBLEM TO BE SOLVED: To provide a centrifugal pump device high in the support rigidity of an impeller. SOLUTION: The centrifugal blood pump device includes the impeller 10 disposed in a blood chamber 7, permanent magnets 15a, 15b disposed on one surface of the impeller 10 and arranged in a radial direction, permanent magnets 16a, 16b disposed on an inner wall of the blood chamber 7 and attracting the permanent magnets 15a, 15b, respectively, a permanent magnet 17 disposed on the other surface of the impeller 10, and a magnetic body 18 and a coil 20 disposed in a motor chamber 8 and driving and rotating the impeller 10 through a bulkhead 6. Dynamic pressure grooves 21, 22 are formed on the inner wall of the blood chamber 7 and the bulkhead 6 opposing the impeller 10, respectively. The rigidity of the impeller 10 in the radial direction is increased by the permanent magnets 15a, 15b, 16a, 16b. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种叶轮的支撑刚度高的离心泵装置。解决方案：离心式血液泵装置包括设置在血液室7中的叶轮10，设置在叶轮10的一个表面上并沿径向布置的永磁体15a，15b，设置在内部的永磁体16a，16b 分别吸引永久磁铁15a，15b，配置在叶轮10的另一面的永久磁铁17，配置在电动机室8内的磁性体18和线圈20，驱动旋转叶轮10通过隔板6.动态压力槽21,22分别形成在血液室7的内壁和与叶轮10相对的隔板6上。通过永久磁铁15a，15b，16a，16b使叶轮10的径向刚性增大。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2010203398A Centrifugal pump device 有权
标题翻译：离心泵装置
公开(公告)号：JP2010203398A
公开(公告)日：2010-09-16
申请号：JP2009052176
申请日：2009-03-05
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： F04D13/06 , A61M1/10
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： PROBLEM TO BE SOLVED: To provide a small centrifugal pump device capable of smoothly rotatably starting an impeller without increasing the number of part items. SOLUTION: The centrifugal blood pump device has the impeller 10 arranged in a blood chamber 7, permanent magnets 15 and 17 arranged on one surface and the other surface of the impeller 10, respectively, a permanent magnet 16 arranged on an inner wall of the blood chamber 7, a magnetic substance 18 and a coil 20 for rotatively driving the impeller 10 via a partition wall 6. Dynamic pressure grooves 21 and 22 different in shape and depth are formed on the partition wall 6 opposed to the impeller 10, and dynamic pressure grooves 23 and 24 different in shape and depth are formed on the inner wall of the blood chamber 7 opposed to the impeller 10. The dynamic pressure grooves 22 and 24 generate large dynamic pressure when rotatably starting the impeller 10, and the dynamic pressure groove 21 and 23 generate large dynamic pressure when steadily rotating the impeller 10. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够平稳地可旋转地启动叶轮而不增加部件的数量的小型离心泵装置。解决方案：离心式血液泵装置具有布置在血液腔7中的叶轮10，布置在叶轮10的一个表面和另一个表面上的永磁体15和17分别设置在内壁上的永磁体16 血液腔7，磁性物质18和线圈20，用于经由分隔壁6旋转驱动叶轮10.在与叶轮10相对的分隔壁6上形成形状和深度不同的动态压力槽21和22，并且在与叶轮10相对的血液室7的内壁上形成有形状和深度不同的动压槽23,24。当可旋转地启动叶轮10时，动压槽22和24产生较大的动压，压力槽21和23在稳定地旋转叶轮10时产生较大的动态压力。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010136862A Centrifugal type pump apparatus 有权
标题翻译：离心式泵装置
公开(公告)号：JP2010136862A
公开(公告)日：2010-06-24
申请号：JP2008315539
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 , F04D7/00 , F04D13/06 , F16C17/04 , F16C32/04 , H02K7/08 , H02K21/24
摘要： PROBLEM TO BE SOLVED: To provide a compact, centrifugal type pump apparatus activating an impeller to smoothly 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, and magnetic bodies 18 and coils 20 which are provided in a motor chamber 8 and drive to rotate the impeller 10 through a partition wall 6. The mutually facing surfaces of two adjacent magnetic bodies 18 are provided in parallel. Dynamic pressure grooves 21, 22 are respectively formed on the partition wall 6 facing the impeller 10 and the inner wall of a blood chamber 7. Consequently, the impeller 10 is smoothly activated to rotate by controlling a coil current.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供致动叶轮以平滑旋转的紧凑型离心式泵装置。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以及设置在马达室8中并驱动以使叶轮10通过分隔壁6旋转的磁体18和线圈20。相邻的磁体18平行设置。动压槽21,22分别形成在面向叶轮10的分隔壁6和血液室7的内壁上。因此，叶轮10通过控制线圈电流而被平滑地启动以转动。版权所有（C）2010，JPO＆INPIT

4. 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

5. 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

6. 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

7. 发明专利

JP2010133381A Centrifugal pump device 有权
标题翻译：离心泵装置
公开(公告)号：JP2010133381A
公开(公告)日：2010-06-17
申请号：JP2008312123
申请日：2008-12-08
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： F04D13/06 , A61M1/10 , F04D13/02 , F16C17/04 , F16C32/04 , F16C33/04 , H02K7/08 , H02K21/24
摘要： PROBLEM TO BE SOLVED: To provide a small centrifugal pump device in which an impeller can be smoothly started and rotated.
SOLUTION: This centrifugal blood pump device includes an impeller 10 disposed in a blood chamber 7, a permanent magnet 15 disposed on one surface of the impeller 10, a permanent magnet 16 disposed in an inner wall of the blood chamber 7, a permanent magnet 17 disposed on another surface of the impeller 10, and a magnetic body 18 and a coil 20 disposed in a motor chamber 8 and rotationally driving the impeller 10 through a bulkhead 6. Dynamic pressure grooves 21, 22 are formed on a bulkhead 6 opposing to the impeller 10 and the inner wall of the blood chamber 7. Consequently, the impeller 10 can be smoothly started and rotated by controlling a coil current.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够平稳地启动和旋转叶轮的小型离心泵装置。解决方案：该离心式血液泵装置包括设置在血液室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7的内壁的永磁体16 设置在叶轮10的另一个表面上的永磁体17以及设置在电动机室8中的磁体18和线圈20，并通过隔板6旋转地驱动叶轮10.动压力槽21,22形成在隔板6上与叶轮10和血液室7的内壁相对。因此，通过控制线圈电流可以平稳地启动和旋转叶轮10。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2013147969A Centrifugal pump device 有权
标题翻译：离心泵装置
公开(公告)号：JP2013147969A
公开(公告)日：2013-08-01
申请号：JP2012007845
申请日：2012-01-18
申请人： Ntn Corp , Ntn株式会社 , Terumo Corp , テルモ株式会社
发明人： YAMADA HIROYUKI , SUGIURA AKIRA
IPC分类号： F04D13/06 , F04D29/046 , F04D29/048
CPC分类号： F04D25/026 , A61M1/101 , A61M1/1012 , A61M1/1015 , A61M1/1017 , A61M1/1031 , A61M1/122 , F04D13/064 , F04D13/0666 , F04D17/10 , F04D29/048
摘要： PROBLEM TO BE SOLVED: To provide a compact centrifugal pump device able to be smoothly activated for rotation of an impeller.SOLUTION: A centrifugal blood pump device includes: an impeller 10 provided within a blood chamber 7; a permanent magnet 15 arranged on one side surface of the impeller 10; a permanent magnet 16 arranged on an inner wall of the blood chamber 7; a plurality of permanent magnets 17 arranged on the another side surface of the impeller 10; and a plurality of sets of magnetic bodies 18 and coils 20, which are arranged in a motor chamber 8 and rotationally drive the impeller 10 via a partition wall 6. The respective magnetic bodies 18 are formed in a columnar shape. Thus, the impeller 10 can be smoothly started for rotation by controlling a coil current.
摘要翻译：要解决的问题：提供能够平稳地激活以使叶轮旋转的紧凑型离心泵装置。解决方案：离心式血液泵装置包括：设置在血液室7内的叶轮10; 布置在叶轮10的一个侧表面上的永磁体15; 布置在血液室7的内壁上的永磁体16; 布置在叶轮10的另一侧表面上的多个永磁体17; 以及多组磁体18和线圈20，它们设置在电动机室8中，并通过分隔壁6旋转地驱动叶轮10.各个磁体18形成为柱状。因此，可以通过控制线圈电流来平稳地启动叶轮10进行旋转。

9. 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

10. 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

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