Fabrication of a fully magnetic impeller for improvement of the magnetic properties of a pump with a power harvester

Sung Hoon Kim; Jaewon Shin; Shuichiro Hashi; Kazushi Ishiyama; Masaru Ozaki; Syuji Matsumura

doi:10.1063/1.3670983

Fabrication of a fully magnetic impeller for improvement of the magnetic properties of a pump with a power harvester

Sung Hoon Kim, Jaewon Shin, Shuichiro Hashi, Kazushi Ishiyama, Masaru Ozaki, Syuji Matsumura

Human Information Systems Division

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25 Citations (Scopus)

Abstract

An all-in-one wireless pump with a power generator was developed for use in biomedical applications. The developed pump is driven by an external rotating magnetic field. Thus, the performance of the system is limited by the magnetic properties of the rotor. To improve the magnetic properties of the magnetic all-in-one pump, a fully magnetic impeller was fabricated with magnetic powder (Sm ₂Fe ₁₇N ₃) because sintered magnetic materials have a lower degree of freedom for shape. The magnetic moment (M) and coercive force (H _c) of the fully magnetic impeller are 0.993 Am ² and 0.82 MAm, respectively. We analyzed the magnetic properties of the fully magnetic impeller using simulation and experiments. In addition, we investigated the improved performance of the all-in-one pump system using the fully magnetic impeller.

Original language	English
Article number	07E705
Journal	Journal of Applied Physics
Volume	111
Issue number	7
DOIs	https://doi.org/10.1063/1.3670983
Publication status	Published - 2012 Apr 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1063/1.3670983

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title = "Fabrication of a fully magnetic impeller for improvement of the magnetic properties of a pump with a power harvester",

abstract = "An all-in-one wireless pump with a power generator was developed for use in biomedical applications. The developed pump is driven by an external rotating magnetic field. Thus, the performance of the system is limited by the magnetic properties of the rotor. To improve the magnetic properties of the magnetic all-in-one pump, a fully magnetic impeller was fabricated with magnetic powder (Sm 2Fe 17N 3) because sintered magnetic materials have a lower degree of freedom for shape. The magnetic moment (M) and coercive force (H c) of the fully magnetic impeller are 0.993 Am 2 and 0.82 MAm, respectively. We analyzed the magnetic properties of the fully magnetic impeller using simulation and experiments. In addition, we investigated the improved performance of the all-in-one pump system using the fully magnetic impeller.",

author = "Kim, {Sung Hoon} and Jaewon Shin and Shuichiro Hashi and Kazushi Ishiyama and Masaru Ozaki and Syuji Matsumura",

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AU - Kim, Sung Hoon

AU - Shin, Jaewon

AU - Hashi, Shuichiro

AU - Ishiyama, Kazushi

AU - Ozaki, Masaru

AU - Matsumura, Syuji

N1 - Funding Information: This study was supported by a Grant-in-Aid from the Japan Society for Promotion of Science (JSPS) fellows.

PY - 2012/4/1

Y1 - 2012/4/1

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AB - An all-in-one wireless pump with a power generator was developed for use in biomedical applications. The developed pump is driven by an external rotating magnetic field. Thus, the performance of the system is limited by the magnetic properties of the rotor. To improve the magnetic properties of the magnetic all-in-one pump, a fully magnetic impeller was fabricated with magnetic powder (Sm 2Fe 17N 3) because sintered magnetic materials have a lower degree of freedom for shape. The magnetic moment (M) and coercive force (H c) of the fully magnetic impeller are 0.993 Am 2 and 0.82 MAm, respectively. We analyzed the magnetic properties of the fully magnetic impeller using simulation and experiments. In addition, we investigated the improved performance of the all-in-one pump system using the fully magnetic impeller.

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Fabrication of a fully magnetic impeller for improvement of the magnetic properties of a pump with a power harvester

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