A system according to the principles of the present disclosure includes a fuel control module, a transmission control module, and a starter control module. The fuel control module selectively stops fuel delivery to cylinders of an engine while the engine is coupled to a transmission of a vehicle when an accelerator pedal is not depressed. The transmission control module selectively decouples the engine from the transmission while fuel delivery to the cylinders is stopped. The fuel control module selectively allows the engine to stop while the vehicle is moving by not resuming fuel delivery to the cylinders when the engine is decoupled from the engine. The starter control module controls a starter to automatically restart the engine when the accelerator pedal is depressed after fuel delivery to the cylinders is stopped and the engine is decoupled from the engine.
System and method for improving fuel economy and reducing emissions when a vehicle is decelerating
2018-10-16
Patent
Electronic Resource
English
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL , Schalldämpfer oder Auspuffvorrichtungen für Gase von Kraft- und Arbeitsmaschinen oder von Kraftmaschinen allgemein / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F02N STARTING OF COMBUSTION ENGINES , Anlassen von Brennkraftmaschinen / F16H Getriebe , GEARING |
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