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Title:
FIRE PUMP SYSTEM
Document Type and Number:
Japanese Patent JP2012101136
Kind Code:
A
Abstract:

To provide a fire pump system which can steadily and effectively work under unfavorable conditions when a disaster occurs.

The fire pump system includes a motor-driven pump 10 for feeding water, a plurality of discharging means 50 mounted at the discharge side of the pump 10, a pressure detector 72 mounted at the discharge side of the pump 10, an inverter 30 for controlling the rotation speed of an electric motor 18 of the pump 10, and a controller 40 for controlling the inverter 30 in order that the discharge pressure of the pump 10 reaches a predetermined value based on an output value of the pressure detector 72. Further, the pump 10 is automatically restarted based on a signal stored on a semiconductor storage system when recovering from a power cut.


Inventors:
HIRAIWA HIRONAO
NAKAJIMA KAORU
KAWAGUCHI HITOSHI
OKUDA KAZUTAKA
Application Number:
JP2012028257A
Publication Date:
May 31, 2012
Filing Date:
February 13, 2012
Export Citation:
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Assignee:
EBARA CORP
International Classes:
A62C35/66; F04B49/02; F04D15/00
Domestic Patent References:
JP2000093544A2000-04-04
JPH08219084A1996-08-27
JPS6389173A1988-04-20
JPH10192440A1998-07-28
JP2000093544A2000-04-04
JPH08219084A1996-08-27
JPS6389173A1988-04-20
JPH06108988A1994-04-19
JP2003082409A2003-03-19
JP2001000567A2001-01-09
Attorney, Agent or Firm:
Isamu Watanabe
Ryoji Kosugi
Tetsuya Hirosawa