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:
May. 12, 2015

Filed:

Nov. 30, 2010
Applicants:

Rudolf Bierl, Regensburg, DE;

Philippe Grass, Regensburg, DE;

Stephan Heinrich, Pfeffenhausen, DE;

Thorsten Knittel, Regensburg, DE;

Andreas Wildgen, Nittendorf, DE;

Inventors:

Rudolf Bierl, Regensburg, DE;

Philippe Grass, Regensburg, DE;

Stephan Heinrich, Pfeffenhausen, DE;

Thorsten Knittel, Regensburg, DE;

Andreas Wildgen, Nittendorf, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 25/18 (2006.01);
U.S. Cl.
CPC ...
G01N 25/18 (2013.01);
Abstract

A hydrogen sensor includes a support having a first temperature sensor, a heating element and an evaluation unit. The hydrogen sensor furthermore includes a mass flow reduction apparatus by which a gas mass flow over the first temperature sensor and the heating element is reduced. The evaluation unit determines a hydrogen concentration in a gas or gas mixture based on a first temperature detected by the first temperature sensor. A detection method for hydrogen concentration having the hydrogen sensor and a motor vehicle having a fuel cell drive having the hydrogen sensor.


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