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. 09, 2024
Filed:
May. 16, 2019
Applicant:
Vitesco Technologies Gmbh, Hannover, DE;
Inventor:
Hong Zhang, Munich, DE;
Assignee:
VITESCO TECHNOLOGIES GMBH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/419 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/419 (2013.01); G01N 33/0037 (2013.01); G01N 33/0054 (2013.01);
Abstract
Various embodiments include a method of ascertaining the ammonia concentration and the nitrogen monoxide concentration in the exhaust gas stream from a motor vehicle comprising: measuring a pumping current at least three times; and determining an ammonia concentration and a nitrogen monoxide concentration based on three successive pumping current measurements.