The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 09, 2025

Filed:

Apr. 08, 2021
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Noriyoshi Ueya, Osaka, JP;

Mai Saito, Osaka, JP;

Yasunari Maeda, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/461 (2023.01); C02F 1/00 (2023.01); C02F 5/00 (2023.01);
U.S. Cl.
CPC ...
C02F 1/4618 (2013.01); C02F 1/008 (2013.01); C02F 5/00 (2013.01); C02F 2201/005 (2013.01); C02F 2201/46125 (2013.01); C02F 2201/46145 (2013.01); C02F 2209/055 (2013.01); C02F 2209/06 (2013.01); C02F 2209/10 (2013.01); C02F 2209/11 (2013.01); C02F 2301/046 (2013.01);
Abstract

A water softening device includes an electrolysis device, a first circulation flow path and a second circulation flow path, a first sensor, a second sensor, and a controller, wherein the controller controls the electrolysis device to execute a first mode in which the alkaline water is allowed to flow through the first circulation flow path and the acidic water is allowed to flow through the second circulation flow path, and a second mode in which the acidic water is allowed to flow through the first circulation flow path (A) and the alkaline water is allowed to flow through the second circulation flow path, and controls to stop electrolysis by the electrolysis device based on a detection value of the first sensor or the second sensor in the first mode and the second mode.


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