Method to determine the loading state of a particulate filter

An internal combustion engine (1) has a particle filter (10) with temperature (11,13) and pressure sensors (14,15) and an input air flow meter (6). A control unit (12) receives the data and calculates the trapped mass from a formula which links it with pressure difference and air flow and uses coeff...

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Bibliographische Detailangaben
Hauptverfasser:	BARTSCH, ARNO, HEKIMIAN, GEORGES, BLANCHON, SYLVAIN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING COMBUSTION ENGINES COMBUSTION ENGINES IN GENERAL 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 HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS INTERNAL-COMBUSTION PISTON ENGINES LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	An internal combustion engine (1) has a particle filter (10) with temperature (11,13) and pressure sensors (14,15) and an input air flow meter (6). A control unit (12) receives the data and calculates the trapped mass from a formula which links it with pressure difference and air flow and uses coefficients which take account of the accretion of incombustible material with length of use.