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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.:

US 12680898 B1

PDFFull Text
Date of Patent:
Jul. 14, 2026

Filed:

Dec. 19, 2023

Ambient pressure compensation structure and method for ultraviolet difference spectrum gas sensor

Applicants:

Ccteg Shenyang Research Institute, Shenyang, CN;

China Coal Research Institute, Beijing, CN;

Inventors:

Fuchao Tian, Shenyang, CN;

Yuntao Liang, Shenyang, CN;

Shuanglin Song, Shenyang, CN;

Xing Al, Shenyang, CN;

Yazhou Xu, Shenyang, CN;

Weiwei Su, Shenyang, CN;

Baolong Guo, Shenyang, CN;

Zhenrong Li, Shenyang, CN;

Assignees:

CCTEG SHENYANG RESEARCH INSTITUTE, Shenyang, CN;

CHINA COAL RESEARCH INSTITUTE, Beijing, CN;

Attorney:

HAUPTMAN HAM, LLP

Primary Examiner:

Helen C Kwok

Int. Cl.
CPC ...
G01L 19/00 (2006.01); G01N 21/01 (2006.01); G01N 21/33 (2006.01);
U.S. Cl.
CPC ...
G01L 19/0092 (2013.01); G01N 21/01 (2013.01); G01N 21/33 (2013.01); Y02A 50/20 (2018.01);
Abstract

An ambient pressure compensation structure for an ultraviolet difference spectrum gas sensor includes a closed box, an ultraviolet difference spectrum gas sensor, a digital pressure sensor, a thermostatic controller, an industrial control computer, a pressure regulating assembly and a limiting partition; the pressure regulating assembly and the limiting partition are arranged inside the closed box, the pressure regulating assembly comprises a piston, a regulating rod and a driving motor, the left side of the piston is connected with the regulating rod, the front end of the regulating rod penetrates out of the closed box and is connected with the driving motor, and the piston divides the interior of the closed box into a pressure regulating air chamber and a working air chamber. Also disclosed is an ambient pressure compensation method for an ultraviolet difference spectrum gas sensor.

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Tian, Fuchao. (2026). Ambient pressure compensation structure and method for ultraviolet difference spectrum gas sensor (U.S. Patent No. 12680898). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12680898

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