動圧軸受け付き磁気浮上ポンプ - National Institute of Advanced Industrial Science and Technology

Title:

動圧軸受け付き磁気浮上ポンプ

Document Type and Number:

Japanese Patent JP4106484

Kind Code:

B2

Abstract:

To provide a compact axial-flow pump having a reduced radial dimension.

This magnetic floatation pump comprises a rotary shaft body comprising an axial-flow blade and a dynamic bearing on its peripheral face, and including permanent magnets on its both ends, and magnetic connecting means respectively mounted on both ends of the rotary shaft body oppositely to the end part of the rotary shaft body, the rotary shaft body is rotated by at least one of the magnetic connecting means, and the rotary shaft body is kept in a floated condition by the cooperation of two magnetic connecting means and the dynamic bearing, whereby the fluid flows from one side in the rotary shaft direction to the other side by the rotating rotary shaft body.

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Inventors:

Takashi Yamane
Yoji Okada
Toru Masuzawa
Yoshiaki Konishi

Application Number:

JP2002014882A

Publication Date:

June 25, 2008

Filing Date:

January 23, 2002

Export Citation:

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Assignee:

National Institute of Advanced Industrial Science and Technology
NIKKISO CO.,LTD.

International Classes:

F04D3/00; F04D29/00; A61M1/10; F04D7/00; F04D13/02; F04D13/06; F04D29/04; F04D29/046; F04D29/047; F04D29/048; F16C17/02; F16C32/04; F16H49/00; H02K1/27; H02K7/09; H02K7/14

Domestic Patent References:

JP11210668A
JP10015056A
JP9206372A
JP9056812A
JP2001178816A
JP8144987A
JP8193664A
JP2000220640A

Attorney, Agent or Firm:

Naoki Fukumura

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