A hybrid vehicle includes an engine and an electric machine selectively coupled to one another via a clutch. In one mode of operation, the vehicle can be propelled by only the electric machine while the engine is off. When additional torque is required from the engine, at least one controller transmits an engine start request. In order to start the engine, the clutch can be prestroked such that it fills with pressure prior to the engine to start the engine. While the vehicle is on, at least one controller is programmed to prestroke the clutch prior to the engine start request based at least upon the electric machine and the engine generating substantially zero torque. This increases the overall engine start time.
Prestroking Engine Disconnect Clutch In A Hybrid Vehicle
14.10.2015
Patent
Elektronische Ressource
Englisch
IPC: | 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 |
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