Title:
SANITARY WASHING DEVICE
Document Type and Number:
Japanese Patent JP2019027014
Kind Code:
A
Abstract:
To provide a sanitary washing device capable of efficiently removing scale.SOLUTION: A sanitary washing device comprises: a water discharge part; a water supply line feeding water to the water discharge part; a backflow prevention mechanism having a sub-tank provided to the water supply line, a drain port for draining surplus water of the sub-tank, and a water outlet for draining water in the sub-tank to the water supply line downstream; a water level sensor for detecting a water level in the sub-tank being a water shortage level; a removing agent injecting part that allows a removing agent for dissolving scale deposited in the water supply line to be injected into the sub-tank; and a control part that performs a scale removing mode having a charging action of charging the removing agent to a downstream side of the sub-tank in the water supply line, a waiting action of waiting for predetermine time after the charging action, and a draining action of draining the removing agent from the water supply line after the waiting action. The control part continues the charging action until the water level sensor detects the water level in the sub-tank being a water shortage level.SELECTED DRAWING: Figure 5
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Inventors:
SAWA SHONOSUKE
SAKUMOTO NOBUTAKE
MAEDA MASAHIRO
SUZUKI TAKAMASA
AMEMORI HIROAKI
YAMAZAKI KOTA
HOSOE KEISUKE
SAKUMOTO NOBUTAKE
MAEDA MASAHIRO
SUZUKI TAKAMASA
AMEMORI HIROAKI
YAMAZAKI KOTA
HOSOE KEISUKE
Application Number:
JP2017143633A
Publication Date:
February 21, 2019
Filing Date:
July 25, 2017
Export Citation:
Assignee:
TOTO LTD
International Classes:
A47K13/24; E03D9/00; E03D5/10; E03D9/08
Domestic Patent References:
| JPH07324365A | 1995-12-12 | |||
| JP2017002501A | 2017-01-05 | |||
| JP2010090620A | 2010-04-22 | |||
| JP2004270185A | 2004-09-30 | |||
| JPH05321310A | 1993-12-07 |
Foreign References:
| WO2015072075A1 | 2015-05-21 | |||
| US20100205729A1 | 2010-08-19 |
Attorney, Agent or Firm:
Masahiko Hinataji
Junichi Kozaki
Hiroshi Ichikawa
Junichi Kozaki
Hiroshi Ichikawa