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:
Jun. 08, 1993

Filed:

Jun. 10, 1991
Applicant:
Inventors:

Hanns Rump, Unna-Massen, DE;

Claus-Dieter Kohl, Herzogenrath, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 98 ; 422 94 ; 73 2523 ; 73 3105 ; 73 3106 ;
Abstract

A gas sensor arrangement has at least a first sensor element which is primarily sensitive towards oxidizable gases and generates a corresponding measuring signal and an electric control and evaluation unit, wherein the measuring signal generated by the first sensor element is evaluated. In order to avoid inaccuracies when in addition to the oxidizable gases at the same time also reducible gases are present, the gas sensor arrangement is provided with at least one second sensor element, which is primarily sensitive to reducible gases and generates a corresponding measuring signal, which is fed to the control and evaluation unit for evaluation.


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