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Title:
FEED WATER SYSTEM
Document Type and Number:
Japanese Patent JP2017072117
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a feed water system capable of preventing complete shutting off of water without requiring additional equipment.SOLUTION: One embodiment of this invention relates to a feed water system. The feed water system includes a pump for transferring liquid, an inverter, a first control section and a display operation section. The display operation section includes a second control section. The second control section includes: a first abnormality detection section constituted to detect an abnormality of communications between the first control section and the display operation section; a second abnormality detection section constituted to detect an abnormality of communications between the first control section and the inverter; and an operating state instruction section for outputting rotating speed of the pump to the inverter when the abnormality is detected by the first abnormality detection section and the second abnormality detection section. The inverter operates the pump at the rotating speed output by the operating state instruction section.SELECTED DRAWING: Figure 2

Inventors:
HARADA YOSUKE
KARAKI RYOTARO
Application Number:
JP2015201280A
Publication Date:
April 13, 2017
Filing Date:
October 09, 2015
Export Citation:
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Assignee:
EBARA CORP
International Classes:
F04B49/10; F04D15/00
Domestic Patent References:
JP2014043800A2014-03-13
JP2005351268A2005-12-22
JP2005351267A2005-12-22
Attorney, Agent or Firm:
Shinjiro Ono
Toru Miyamae
Yukio Kanegae
Makoto Watanabe



 
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