EXHAUST TREATMENT DIAGNOSTIC SYSTEM AND METHOD

A method and system for monitoring operation of an exhaust treatment system of a diesel engine includes a dosing system including an injector for injecting an injection fluid and a pump for pressurizing the injection fluid. The system also includes a pressure sensor in communication with the dosing...

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Bibliographische Detailangaben
Hauptverfasser:	MULLINS JASON DANIEL, CRAWFORD KYLE E
Format:	Patent
Sprache:	eng
Schlagworte:	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 LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MECHANICAL ENGINEERING PHYSICS STEAM ENGINES TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR WEAPONS
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Beschreibung
Zusammenfassung:	A method and system for monitoring operation of an exhaust treatment system of a diesel engine includes a dosing system including an injector for injecting an injection fluid and a pump for pressurizing the injection fluid. The system also includes a pressure sensor in communication with the dosing system generating a pressure signal. The system further includes a control module that determines a pressure error signal in response to the pressure signal and generates a fault signal in response.