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Title:
VERTICAL PUMP
Document Type and Number:
WIPO Patent Application WO/2001/031203
Kind Code:
A1
Abstract:
A vertical pump, characterized by comprising a rotating body having an impeller disposed with an axis thereof positioned vertically and a cylindrical rotor fixed on the upper part of the impeller coaxially with each other and having a major portion made of good conductor, a casing rotatably storing the rotating body with a clearance, and rotating magnetic field generating means installed in the casing opposedly to the cylindrical rotor and imparting a rotating force to the cylindrical rotor, wherein the rotating rotor including the impeller and cylindrical rotor is drivingly rotated in non-contact with an outside casing.

Inventors:
YANO YOSHIO (JP)
AOTANI ISAMU (JP)
YASUDA YOSHIKAZU (JP)
Application Number:
PCT/JP2000/006570
Publication Date:
May 03, 2001
Filing Date:
September 25, 2000
Export Citation:
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Assignee:
KUROSAKI CORP (JP)
YANO YOSHIO (JP)
AOTANI ISAMU (JP)
YASUDA YOSHIKAZU (JP)
International Classes:
F04D13/06; F04D29/04; F04D29/048; (IPC1-7): F04D13/06
Foreign References:
JPH09268994A1997-10-14
JPH08277794A1996-10-22
JPH11210669A1999-08-03
JPH10205498A1998-08-04
JPS5671525U1981-06-12
JPH0743221U1995-08-18
JPS4415169Y11969-06-30
JPH11351183A1999-12-21
Other References:
See also references of EP 1174622A4
Attorney, Agent or Firm:
Iwahashi, Yuji (Higashikanagawa Kanagawa-ku Yokohama-shi Kanagawa, JP)
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