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US 9,068,924 B2Granted
Gas sensor
AssigneeSiemens Aktiengesellschaft
InventorsDiana Biskupski, Maximilian Fleischer, Ralf Moos, Daniela Schönauer, Kerstin Wiesner
Life of this patent
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Abstract
A combined gas sensor includes a first electrode and a second electrode, wherein the first and second electrodes are connected via an ion-conducting material. The first electrode is covered, in part, by a first catalytically active material. Further, a resistive gas sensor formed by a third electrode is arranged such that the third electrode is in direct contact with the first catalytic material and is not in direct contact with the first electrode.
Claims19
Combined gas sensor, comprising:
- an electrochemical gas sensor formed by a first electrode and a second electrode,
- wherein the first and second electrodes are not in direct contact with one another but are connected via an ion-conducting material configured to allow a voltage to be formed as a first measuring signal between the first and second electrodes as a reaction to gases,
- wherein the first electrode is covered, at least in part, by a first catalytically active material,
- a resistive gas sensor formed by a third electrode such that the third electrode is in direct contact with the first catalytically active material and is not in direct contact with the first electrode, wherein the third electrode is configured to obtain a second measuring signal, the second measuring signal comprising a conductivity of the first catalytically active material.
1 more element
Dependencies are inferred from the claim text.