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:
Jul. 19, 2022

Filed:

Aug. 25, 2020
Applicant:

United States of America As Represented BY the Administrator of Nasa, Washington, DC (US);

Inventors:

Shahid Aslam, Washington, DC (US);

Daniel P. Glavin, Greenbelt, MD (US);

Gerard T. Quilligan, Gulf Breeze, FL (US);

Nicolas Gorius, Washington, DC (US);

Perry A. Gerakines, Greenbelt, MD (US);

John R. Kolasinski, Greenbelt, MD (US);

Dat Tran, Washington, DC (US);

Todd C. Purser, Greenbelt, MD (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/3518 (2014.01); G01L 11/02 (2006.01); G01N 1/22 (2006.01); G01N 21/3504 (2014.01);
U.S. Cl.
CPC ...
G01N 21/3518 (2013.01); G01L 11/02 (2013.01); G01N 1/2205 (2013.01); G01N 21/3504 (2013.01); G01N 2201/0633 (2013.01);
Abstract

An apparatus for measuring vapor partial pressures of water and carbon dioxide includes a pair of infrared (IR) sources and a pair of quad filter detectors are placed opposite to one another such that the vapor partial pressures of water (HO) and carbon dioxide (CO) is measured and quantified in a short pathlength gas cell.


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