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:
Jun. 07, 2022

Filed:

May. 28, 2020
Applicant:

Ebara Corporation, Tokyo, JP;

Inventors:

Suguru Ozawa, Tokyo, JP;

Yuji Araki, Tokyo, JP;

Toshifumi Watanabe, Tokyo, JP;

Yoichi Nakagawa, Tokyo, JP;

Assignee:

EBARA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/78 (2006.01); C02F 1/00 (2006.01); C02F 103/04 (2006.01);
U.S. Cl.
CPC ...
C02F 1/78 (2013.01); C02F 1/008 (2013.01); C02F 2103/04 (2013.01); C02F 2209/02 (2013.01); C02F 2209/03 (2013.01); C02F 2209/40 (2013.01);
Abstract

A gas dissolution supply apparatus dissolves a gas supplied from a gas supply unit in a liquid supplied from a liquid supply unit to produce a gas dissolution in a gas dissolving unit, stores the gas dissolution produced in the gas dissolving unit in a gas dissolution tank, supplies the gas dissolution from the gas dissolution tank to a point of use, measures the flow rate of a part of the gas dissolution supplied to the point of use that is returned to the gas dissolving unit, and adjusts the flow rate of the liquid supplied from the liquid supply unit to the gas dissolving unit based on the result of the measurement.


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