FUEL TYPE BASED START-STOP CATALYST HEATING SYSTEMS

A start-stop system includes a fuel type module that determines a fuel type of a fuel supplied to an engine. A threshold module determines a first threshold based on the fuel type. A temperature module estimates a temperature of a catalyst of an exhaust system of the engine. A comparison module comp...

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Bibliographische Detailangaben
Hauptverfasser:	GONZE EUGENE V, SANTOSO HALIM G
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 MECHANICAL ENGINEERING STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	A start-stop system includes a fuel type module that determines a fuel type of a fuel supplied to an engine. A threshold module determines a first threshold based on the fuel type. A temperature module estimates a temperature of a catalyst of an exhaust system of the engine. A comparison module compares the temperature to the first threshold and generates a comparison signal. A power module adjusts power to a heating circuit based on the comparison signal. The heating circuit is configured to increase temperature of the catalyst. The power module adjusts the power to the heating circuit to increase the temperature of the catalyst when the engine is shutdown. An engine control module shuts down and restarts the engine to reduce idling time of the engine.