Title:
ABNORMALITY DETECTION METHOD OF PRESSURE TANK AND WATER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2012144976
Kind Code:
A
Abstract:
To provide an abnormality detection method of a pressure tank which can accurately detect the abnormality of the pressure tank such as decrease in the charged pressure, and a water supply device with an abnormality detection function for the pressure tank.
An abnormality detection method of a pressure tank monitors the rotational speed of a pump 14 of a water supply device 10, and if the pump 14 restarts before the rotation of the pump 14 completely stops, determines that abnormality occurs in a pressure tank 36.
Inventors:
KANEDA KAZUHIRO
KOMATSU TAKAHIDE
NAKAJIMA KAORU
TEJIMA TOMOJI
KOMATSU TAKAHIDE
NAKAJIMA KAORU
TEJIMA TOMOJI
Application Number:
JP2012087690A
Publication Date:
August 02, 2012
Filing Date:
April 06, 2012
Export Citation:
Assignee:
EBARA CORP
International Classes:
E03B11/16; F04B51/00; F04D15/00
Domestic Patent References:
| JPH0771060A | 1995-03-14 | |||
| JPH04194385A | 1992-07-14 |
Attorney, Agent or Firm:
Isamu Watanabe
Ryoji Kosugi
Tetsuya Hirosawa
Ryoji Kosugi
Tetsuya Hirosawa