In 2024, Audi has launched the so-called Premium Platform Combustion (PPC). To this end, conventional drives as well as hybrid powertrains are being comprehensively further developed at Audi. In addition to complying with future legal emission limits, increasing performance and comfort, while at the same time reducing fuel consumption, are key development goals. The new 3.0l V6 TFSI EA839evo represents the logical evolution of the V6 TFSI EA839-engine, which was launched in 2015. Newly designed exhaust-gas turbochargers with variable turbine geometry, indirect charge air cooling, DoE-supported optimisation of charge exchange, Miller combustion process and fuel injection system form the basis for achieving these ambitious goals. The engine develops a full torque curve of up to 550 Nm and a nominal output of 270 kW (367 hp) and achieves in combination with the 48V mild hybrid system with powertrain generator very attractive characteristics in terms of driving dynamics, comfort and CO2 emissions. The new V6 TFSI EA839evo generation initially started production in 2024 as a 3.0 liter mono-turbo in the Audi S5 and SQ5. It forms the high-performance basis for future S and RS models at Audi and will later also be used in other Group models.

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The Next Evolutionary Stage of the V6 TFSI Engines—Engine Development Within the Conflicting Goals of Performance & Sustainability

  • Marc Deblaize,
  • Matthias Schober,
  • Gerd Seifried,
  • Anton J. Kerckhoff

摘要

In 2024, Audi has launched the so-called Premium Platform Combustion (PPC). To this end, conventional drives as well as hybrid powertrains are being comprehensively further developed at Audi. In addition to complying with future legal emission limits, increasing performance and comfort, while at the same time reducing fuel consumption, are key development goals. The new 3.0l V6 TFSI EA839evo represents the logical evolution of the V6 TFSI EA839-engine, which was launched in 2015. Newly designed exhaust-gas turbochargers with variable turbine geometry, indirect charge air cooling, DoE-supported optimisation of charge exchange, Miller combustion process and fuel injection system form the basis for achieving these ambitious goals. The engine develops a full torque curve of up to 550 Nm and a nominal output of 270 kW (367 hp) and achieves in combination with the 48V mild hybrid system with powertrain generator very attractive characteristics in terms of driving dynamics, comfort and CO2 emissions. The new V6 TFSI EA839evo generation initially started production in 2024 as a 3.0 liter mono-turbo in the Audi S5 and SQ5. It forms the high-performance basis for future S and RS models at Audi and will later also be used in other Group models.