Method for evaluating the condition of a particulate sensor

An operating process for a combustion engine (10) that determines the loading of soot particles in the exhaust comprises measuring the conductance between electrodes in a particle sensor (16) in the exhaust gas stream (12) and periodically heating the sensor to regenerate while measuring conductance...

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Bibliographic Details
Main Authors SCHAENZLIN, KATHARINA, ROESCH, SABINE
Format Patent
LanguageEnglish
French
German
Published 08.02.2006
Subjects
BLASTING
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MEASURING
MECHANICAL ENGINEERING
PHYSICS
STEAM ENGINES
TESTING
WEAPONS
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Summary:An operating process for a combustion engine (10) that determines the loading of soot particles in the exhaust comprises measuring the conductance between electrodes in a particle sensor (16) in the exhaust gas stream (12) and periodically heating the sensor to regenerate while measuring conductance to evaluate the condition of the sensor. Independent claims are also included for the following: (A) a combustion engine comprising the above, especially for a motor vehicle; (B) a control unit for the above; (C) an electrical memory for the above;and (D) a computer program for the above.
Bibliography:Application Number: EP20050104720