A hybrid electric vehicle includes an engine that can selectively provide drive torque to propel the vehicle. An electric machine also selectively provides drive torque. A differential transfers the torque to and amongst wheels. A planetary gearset is coupled to the engine and has a ring-gear for transmitting ring-gear-torque to the differential. A continuous torque transfer member operatively couples the ring-gear and the electric machine to the differential. At least one controller is configured to alter engine output based on a ring-gear-torque-threshold. This enables a desired torque to transfer through the continuous torque transfer member to the differential.
Managing ring gear torque in a hybrid electric vehicle to increase available wheel torque
26.04.2016
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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F16H Getriebe , GEARING |
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