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:
Apr. 24, 2018

Filed:

Jul. 15, 2014
Applicants:

System Instruments Co., Ltd., Hachioji-shi, Tokyo, JP;

National Institute of Advanced Industrial Science and Technology, Tokyo, JP;

Inventors:

Toshiharu Kuroda, Tokyo, JP;

Michio Horiuchi, Tokyo, JP;

Yanbei Zhu, Ibaraki, JP;

Koichi Chiba, Ibaraki, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D 21/00 (2006.01); B01L 3/00 (2006.01); G01N 21/80 (2006.01); G05D 21/02 (2006.01); B05B 15/00 (2018.01);
U.S. Cl.
CPC ...
G05D 21/00 (2013.01); B01L 3/502 (2013.01); B05B 15/00 (2013.01); G01N 21/80 (2013.01); G05D 21/02 (2013.01); B01L 2200/14 (2013.01); B01L 2300/06 (2013.01); B01L 2300/0627 (2013.01); B01L 2400/0622 (2013.01);
Abstract

In an embodiment, control is performed to operate a three-way valve in accordance with a reaching ratio of pH adjustment. When process of certain steps is performed, bubbles of ammonia generated in a nebulizer can be extruded by air so as to be injected from an injection port together with aqua ammonia remaining in the nebulizer. Therefore, the pH adjustment can be performed while a large amount of bubbles of ammonia are prevented from being generated in the nebulizer.


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