SENSOR FOR DETECTING A GAS CONTENT

A sensor for detecting a gas content includes: a sensor body; an electrode chamber arranged in the sensor body; a first heating element embedded in the sensor body and configured to heat a specified region to a specified operating temperature; and an inlet duct, in the sensor body, coupled to the el...

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Bibliographic Details
Main Authors GRASS, PHILIPPE, ANTE, JOHANNES
Format Patent
LanguageEnglish
French
German
Published 27.01.2016
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A sensor for detecting a gas content includes: a sensor body; an electrode chamber arranged in the sensor body; a first heating element embedded in the sensor body and configured to heat a specified region to a specified operating temperature; and an inlet duct, in the sensor body, coupled to the electrode chamber and having an inlet on the surface of the sensor body. The inlet duct is arranged such that, during operation of the sensor at the specified operating temperature, the inlet is axially spaced from the electrode chamber such that the sensor body is at a maximum temperature at the surface of the sensor body in a region around the inlet, which temperature is less than or equal to a temperature threshold that ensures that an air-fuel mixture flowing past the inlet will not be ignited.
Bibliography:Application Number: EP20140717685