SYSTEME DE CONTROLE DU FONCTIONNEMENT D'UN RECHAUFFEUR D'UN CATALYSEUR D'OXYDATION INTEGRE DANS UNE LIGNE D'ECHAPPEMENT D'UN MOTEUR DE VEHICULE AUTOMOBILE

The system consists of detectors (1, 2) for a vehicle engine's deceleration phase and engine temperature analysers to activate an exhaust oxidation catalyser reheater when the engine is within a predetermined temperature range (30 - 75 degrees C) and in a deceleration phase. The deceleration ph...

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Bibliographische Detailangaben
Hauptverfasser:	QUINEY ANNE SOPHIE, PERRARD WILLIAM
Format:	Patent
Sprache:	fre
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 MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The system consists of detectors (1, 2) for a vehicle engine's deceleration phase and engine temperature analysers to activate an exhaust oxidation catalyser reheater when the engine is within a predetermined temperature range (30 - 75 degrees C) and in a deceleration phase. The deceleration phase is detected when the fuel injection level is at zero for a predetermined period of time and its rotational rate is greater than its idling speed, while the engine temperature is determined from the temperature of its coolant liquid. The duration of the reheater's operation is controlled by a timer (4).