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.
Patent No.:
Date of Patent:
Oct. 12, 2021
Filed:
Oct. 11, 2017
Metawater Co., Ltd., Chiyoda-ku Tokyo, JP;
Senko Riken Co., Ltd., Kobe Hyogo, JP;
Nikkiso Co., Ltd., Shibuya-ku Tokyo, JP;
Junichi Shiga, Tokyo, JP;
Tsukasa Kusano, Tokyo, JP;
Tetsumi Ochi, Tokyo, JP;
Shinya Watanabe, Toyko, JP;
Eiichi Tsuga, Kobe, JP;
Yusuke Kawakami, Kobe, JP;
Abstract
Provided is a water treatment apparatus that can uniformly irradiate water to be treated with ultraviolet light in sufficient irradiation quantity and in which a cleaning device and the like can be mounted easily. A water treatment apparatus that subjects water to be treated to ultraviolet treatment using ultraviolet light, the water treatment apparatus comprises: a flow channel through which water to be treated flows; and an ultraviolet irradiation portion that is located on an opposite side of the flow channel from an inlet side, and irradiates the water to be treated flowing in the flow channel with ultraviolet light via a window portion toward the inlet side, the window portion being formed by a transparent member, wherein the flow channel includes a diameter increase portion, and the diameter increase portion is provided with at least one of: a cleaning device used to clean the window portion; and a sensor.