Volvo's Drive-E engine principle

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When the engine is at low speed, the air bypass valve and all access to electronic interception turbine, this time mainly rely on electronic turbine engines to provide compressed air; as the speed increase, the exhaust turbine began to intervene in the work, through the electronic turbine compressed air into the exhaust gas turbine secondary booster; speed continues to rise, electronic turbine has become a burden for the high-speed airflow, air bypass valve is in addition to the electronic barrier turbine, along Suction Pipe has entered a state of exhaust gas flow turbine. This is a system by introducing electronic turbine, to solve the problem of large-size turbine low-involvement of the poor, and in pine oil re-acceleration time can quickly start to make up for the turbine Shock Absorbers exhaust gas turbo lag.

To Outbreak horsepower is not less than 450PS, in addition to providing sufficient air, the full amount is a sufficient amount of fuel required. For this reason, Volvo increased the pressure fuel injection system, and by the two high-pressure pumps are carried out in the form V2, 90 ° opposed layout method, making maximum pressure up 250Mbar, using direct injection technology, but also further improve the combustion efficiency.
Volvo revealed, AVL, Denso and co-development of this Polaris Drive-E series engines Turbocharger Kits, are fully capable of achieving a stable and reliable output of 450PS horsepower, will be for future large cars such as S80, XC90 and other models such as the large SUV service.

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