An electric motor drive retrofit system (EMDRS) comprises a power system, an energy storage system (ESS), a cooling system, a vehicle control unit (VCU), and a user interface device (UID). A non-hybrid combustion engine drive vehicle with tight space constraints is retrofittable with the EMDRS to provide hybrid drive functionality. The EMDRS includes a motor generator unit (MGU) coupled to a motor control unit (MCU). MCU transfers charge between the MGU and ESS. During retrofit, the MGU is coupled between a transmission and an internal combustion engine (ICE) of the vehicle without extending a powertrain length by more than five inches. In a first operating mode (adding torque), MCU supplies the MGU from the ESS to supply torque to the powertrain downstream before a transmission input. In a second operating mode (regenerative braking), the MGU removes torque from the powertrain and drives MCU to charge the ESS.
Electric Hybrid Retrofitting Of Non-Hybrid Combustion Engine Vehicles
2020-03-26
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 |
ELECTRIC HYBRID RETROFITTING OF NON-HYBRID COMBUSTION ENGINE VEHICLES
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