Title:
WATER SUPPLY PUMP SYSTEM
Document Type and Number:
WIPO Patent Application WO/2005/080798
Kind Code:
A1
Abstract:
It is possible to provide a highly-reliable small-size, simplified water supply pump system at low cost by deriving a NPSH required in actual operation condition with a high accuracy. By correcting a first NPSH required according to a test water at the normal temperature, air saturation, and containing impurities, a second NPSH required at the high temperature, deaeration, and in pure water state according to the actual operation condition is derived and the system is defined according to the second NPSH required.
Inventors:
MANABE JUN (JP)
MIYAGAWA KAZUYOSHI (JP)
MIYAGAWA KAZUYOSHI (JP)
Application Number:
PCT/JP2005/002260
Publication Date:
September 01, 2005
Filing Date:
February 15, 2005
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
MANABE JUN (JP)
MIYAGAWA KAZUYOSHI (JP)
MANABE JUN (JP)
MIYAGAWA KAZUYOSHI (JP)
International Classes:
F04D13/00; F04D15/00; (IPC1-7): F04D13/00
Foreign References:
| JPS59107996U | 1984-07-20 | |||
| JPH01127993U | 1989-08-31 | |||
| JPS55100099U | 1980-07-11 |
Attorney, Agent or Firm:
Sano, Shizuo (2-6 Tenmabashi-Kyomach, Chuo-Ku Osaka-Shi Osaka 32, JP)
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