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:
Jan. 04, 2022

Filed:

May. 21, 2020
Applicant:

Tsinghua University, Beijing, CN;

Inventors:

Xiao-Ping Zheng, Beijing, CN;

Shan Zhang, Beijing, CN;

Hua Geng, Beijing, CN;

Xiao-Jiao Deng, Beijing, CN;

Jia Li, Beijing, CN;

Zhi-Jie Li, Beijing, CN;

Assignee:

TSINGHUA UNIVERSITY, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/35 (2014.01); G01N 21/05 (2006.01); G01J 3/02 (2006.01); G01N 21/3504 (2014.01); G01N 21/3581 (2014.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01J 3/0275 (2013.01); G01J 3/0286 (2013.01); G01N 21/05 (2013.01); G01N 21/3581 (2013.01); G01N 2021/052 (2013.01);
Abstract

A gas detecting apparatus and a gas detecting method based on terahertz spectroscopy are provided. The apparatus includes a sample chamber allowing a terahertz wave to pass therethrough; a gas feeding unit connected to the sample chamber to feed gas into the sample chamber; a gas outputting unit connected to the sample chamber to output gas from the sample chamber; and a vacuum pump connected to the sample chamber to evacuate the sample chamber. The apparatus further comprises one or more of a pressure gauge disposed on the sample chamber, an anemometer disposed on the sample chamber, a humidity regulation device connected to the sample chamber, and a temperature regulation device connected to the sample chamber.


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