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:
Jul. 11, 2017
Filed:
Dec. 28, 2016
Applicant:
Ccteg (China Coal Technology and Engineering Group Corp), Beijing, CN;
Inventors:
Liang Yuntao, Fushun, CN;
Sun Yong, Fushun, CN;
Luo Haizhu, Fushun, CN;
Zhang Depeng, Fushun, CN;
Feng Wenbin, Fushun, CN;
Fuchao Tian, Fushun, CN;
Haozhe Dong, Shenzhen, CN;
Hongli Fan, Fushun, CN;
Assignee:
CCTEG (China Coal Technology and Engineering Group Corp), Beijing, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3504 (2014.01); G01N 21/01 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 21/3504 (2013.01); G01N 21/01 (2013.01); G01N 33/0057 (2013.01); G01N 2021/0193 (2013.01);
Abstract
An infrared detection device can be used to detect coal mine polar gas. The detection device can include a central processor and a gas pool assembly having a moveable optical window. The moveable optical window can include a stationary pool body and a moveable pool body inserted into the stationary pool body.