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:
Mar. 09, 2021
Filed:
Dec. 20, 2016
Honeywell International Inc., Morris Plains, NJ (US);
Bo Chen, Morris Plains, NJ (US);
Yuzhong June Wang, Morris Plains, NJ (US);
Qidao Lin, Morris Plains, NJ (US);
Guangli Xie, Morris Plains, NJ (US);
Zhanghua Wu, Morris Plains, NJ (US);
HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US);
Abstract
A photoionization detector () comprises an ultraviolet radiation source (); one or more detector electrodes (and); and a shielding material () located between the ultraviolet radiation source () and the one or more detector electrodes (and), wherein the ultraviolet radiation () does not directly impinge on any part of the one or more detector electrodes (and). A method for gas detection comprises exposing a photoionization detector () to an environment containing a target gas; and shielding the one or more detector electrodes (and) from direct impingement from the ultraviolet radiation () via the shielding material ().