Title:
浴槽洗浄装置
Document Type and Number:
Japanese Patent JP7445134
Kind Code:
B2
Abstract:
To provide a bathtub washing device that has improved durability of a plurality of hot water pouring solenoid valves for stably supplying hot water to a washing nozzle.SOLUTION: A bathtub washing device includes a hot water passage for supplying hot water to a washing nozzle disposed in a bathtub, a hot water storage part provided in the middle of the hot water passage, a pump for sending out the hot water in the hot water storage part to the washing nozzle, and control means for controlling a washing operation for spraying the hot water and washing liquid from the washing nozzle. The hot water passage is provided with a parallel passage part in which a plurality of branch passages are connected in parallel on the upstream side of the hot water storage part, and a plurality of hot water pouring solenoid valves for opening or closing the plurality of branch passages. The control means, during spraying the hot water and washing liquid, causes the plurality of hot water pouring solenoid valves to share a first function for maintaining an open state, and a second function for switching the state between an open state and a closed state according to a storage amount of the hot water storage part, and causes the functions of the plurality of hot water pouring solenoid valves to be replaced when a predetermined condition is established so that the first function and the second function are alternately shared.SELECTED DRAWING: Figure 3
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Inventors:
Takashi Kubo
Shuji Kawasaki
Shuji Kawasaki
Application Number:
JP2020142362A
Publication Date:
March 07, 2024
Filing Date:
August 26, 2020
Export Citation:
Assignee:
Noritsu Co., Ltd.
International Classes:
A47K3/00; F24H15/196
Domestic Patent References:
| JP2022035573A | ||||
| JP2019180536A | ||||
| JP2020096666A | ||||
| JP2013009828A | ||||
| JP5123283A |
Attorney, Agent or Firm:
Toshio Okamura