Title:
WATER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2022003234
Kind Code:
A
Abstract:
To disclose an example of a water supply device which can cope with occurrence of abnormality in a power source.SOLUTION: A water supply device includes a monitoring unit 30 for switching between the case where an electric current is supplied from a first power source Ps1 to a control unit CTL and the case where the electric current is supplied from a second power source Ps2 to the control unit CTL. Thereby, the electric current can be supplied to the control unit CTL from the second power source Ps2 even when abnormality occurs in the first power source Ps1. The water supply device further includes a third power source Ps3 for supplying the electric current to the monitoring unit 30; therefore, the monitoring unit 30 can be certainly operated.SELECTED DRAWING: Figure 2
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Inventors:
SAKATANI TETSUNORI
Application Number:
JP2020107633A
Publication Date:
January 11, 2022
Filing Date:
June 23, 2020
Export Citation:
Assignee:
KAWAMOTO PUMP MFG
International Classes:
F04D15/00; F04B49/10; H02P4/00
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation