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:
Apr. 30, 2024
Filed:
Oct. 31, 2023
Ncs Testing Technology Co., Ltd, Beijing, CN;
Ncs Jiangsu Testing Technology Co., Ltd., Jiangsu, CN;
Yunhai Jia, Beijing, CN;
Xuehua Wang, Jiangsu, CN;
Liangjing Yuan, Beijing, CN;
Danyang Zhi, Beijing, CN;
Runpeng Wang, Jiangsu, CN;
Xiaoke Hao, Beijing, CN;
Zhenning Wu, Beijing, CN;
Wang Chen, Beijing, CN;
Zhaodong Guo, Beijing, CN;
Xinyang Dong, Jiangsu, CN;
NCS Testing Technology CO., LTD, Beijing, CN;
NCS Jiangsu Testing Technology Co., Ltd., Suzhou, CN;
Abstract
The present invention discloses a combined oxygen, nitrogen and hydrogen joint determination device and method based on thermal conductivity-infrared technique. In the device, a melting and extraction system comprises a carrier gas introduction pipeline, a chamber valve, an impulse furnace and a dust filter; an analytical gas transmission system comprises a flush valve, a bypass valve, a mass flowmeter and a first switching valve; a signal detection system comprises an infrared cell, an analysis purification reagent tube and a thermal conductivity cell; and a signal analysis system comprises a controller and a processor. The present invention realizes different joint determination modes by switching different gas paths, which can meet different determination requirements of different users.