Transmission for Front Wheel Drive Hybrid Powertreins HT1
Transmission for Front Wheel Drive Hybrid Powertrains HT1 HT1 Features " Delivers top in class fuel saving (> 25%) " Performance and driveability equal or better than conventional. Agility superior to conventional. " Low hybrid cost premium by making use of large volume VT2 and VT3 components " Straightforward vehicle integration " Integrated solution from one partner " One configuration for HEV, PHEV and EV+RE " Punch provided engines available 29/03/2011 HT1 2 HT1 Comfort " Combine fluent shift behaviour with electric motor agility " Total flexibility in control strategies offering customer specific driveability " State-of-the-art software functions available e.g. : Robust hybrid powertrain control Adaptive functions for compensation of lifetime effects Diagnostics like OBDII Driving strategy features like: " warm-up mode after cold start " uphill / downhill recognition " sport mode / economy mode / EV-mode / brake mode 29/03/2011 HT1 3 HT1 Fuel Saving Potential Powertrain VT2 VT2+ HEV PHEV EV+RE 20 Reference is conventional with manual transmission 0 Hybridisation only -20 Idle stop applied -40 -60 Additional measures -80 on engine and vehicle -100 29/03/2011 HT1 4 Change in Fuel Consumption [%] HT1 Powertrain architecture POWERTRAIN MANAGEMENT HCU BCU CAN ECU TCU BMS MCU ICE EMG + AuxDr AirCo AuxDr AirCo PowEl CVT Bat 29/03/2011 HT1 5 HT1 Data Sheet Transmission type Transmission data Hybrid transmission for passenger cars Similar to VT2 except: Continuously variable front transversal Oil pump is electrically driven Constant gear ratio between 4.89 and 5.76 Engine Electric Drive Standard engine: 4A91 Switched Reluctance motor 1.5l DOHC 16v, MIVEC Peak torque 200 Nm 83 kW @ 6000 rpm Peak power 30 kW (HEV) or 50 kW (PHEV) 147 Nm @ 4000 rpm Water cooled OEM s own engines possible, Water cooled power electronics 3A9x and 4A9x engines require no hardware change Control units Shift lever positions: HCU: powertrain control P R N D TCU: transmission control S or L optional MCU: motor control Driving modes Driving modes Low (minimum, theoretical) ratio: 0.443 Economy mode OD (maximum theorerical) ratio: 2.416 Power mode Ratio coverage: 5.45 EV mode Center distance: 155 mm Auxiliary drive (high voltage) Powertrain mass Airconditioning drive Including engine 204 kg Engine starter Excluding engine 122 kg Backup generator 29/03/2011 HT1 6 HT1 Powertrain Dimensions Overall dimensions with 4A9 engine: " Total length 814 mm " Total height 625 mm Dimensions HT1 " Total length 351.5 mm * * Measured from RFOB, engine design will influence this value 255 171.4 463 351 319 293 29/03/2011 HT1 7 424 201 74.7