Title:
WATER LEVEL SENSOR, WATER STORAGE TANK, HAND WASHING DEVICE, AND CIRCULATION WATER TREATMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/210312
Kind Code:
A1
Abstract:
This water level sensor comprises a first electrode, a second electrode, and a controller. The first electrode is placed at a first height within a tank in which water containing impurities, including microorganisms capable of forming biofilms, is stored. The second electrode is placed within the tank at a second height that is higher than the first height. The controller detects that the water reaches the second height when the water contacts the first electrode and the second electrode.
Inventors:
YAMADA RYO (JP)
SUMA HIROKI (JP)
HORIE SHIRO (JP)
YAMAZAKI FUMINORI (JP)
KAWASHIMA KAZUNORI (JP)
SUMA HIROKI (JP)
HORIE SHIRO (JP)
YAMAZAKI FUMINORI (JP)
KAWASHIMA KAZUNORI (JP)
Application Number:
PCT/JP2023/014475
Publication Date:
November 02, 2023
Filing Date:
April 10, 2023
Export Citation:
Assignee:
WOTA CORP (JP)
International Classes:
G01F23/24; A47K1/02; C02F1/00
Foreign References:
| JPH11271133A | 1999-10-05 | |||
| JP2007263807A | 2007-10-11 | |||
| JP6913407B1 | 2021-08-04 | |||
| JP2003010859A | 2003-01-14 | |||
| JP2003035586A | 2003-02-07 | |||
| US4171932A | 1979-10-23 |
Attorney, Agent or Firm:
IPTECH PATENT PROFESSIONAL CORPORATION (JP)
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