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Title:
ポンプの羽根車およびその製造方法
Document Type and Number:
Japanese Patent JP4479085
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a pump, having high efficiency by strengthening the magnetic force of a driven magnet of an impeller and reducing the distance between a stator and it, as much as possible. SOLUTION: This impeller 101 of a pump has the magnet 104 which is driven in a shroud. The magnet 104 to be driven is composed of two kinds of magnets or more in layer forms, and its outer layer is composed of a non-corrosive magnet so that magnetic force of the magnet 104 to be driven becomes strong and the distance between the stator 7 and the magnet 104 to be driven can be reduced to provide the highly efficient pump.

Inventors:
Naoki Matsuo
Haruhiko Kono
Tokumi Nagase
Application Number:
JP2000313177A
Publication Date:
June 09, 2010
Filing Date:
October 13, 2000
Export Citation:
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Assignee:
Panasonic Electric Works Co., Ltd.
International Classes:
F04D13/06; F04D29/00; F04D13/02; F04D29/22; H02K1/27
Domestic Patent References:
JP2000257582A
JP2000097187A
JP2000274396A
JP10243620A
Attorney, Agent or Firm:
Keisei Nishikawa
Atsuo Mori