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Turbo fuel stratified injection

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Turbo fuel stratified injection

Turbo fuel stratified injection (TFSI) denotes a type of forced-aspiration ("turbo") engine where the fuel is pressure-injected straight into the combustion chamber in such a way as to create a stratified charge. FSI (VAG) direct injection technology increases the torque and power of spark-ignition engines, makes them as much as 15 percent more economical and reduces exhaust emissions.[1]

Advantages

Some advantages of TFSI engines:

  1. Better fuel distribution and better fuel charge inside the combustion chamber
  2. During the injection process the fuel gets evaporated, cooling the cylinder chamber
  3. Higher compression ratios, which translates into more power
  4. Increased fuel combustion efficiency
  5. Higher power during pick-up of vehicle.

References

  1. ^ http://www.audi.co.uk/audi/uk/en2/tools/glossary/engine_driveline/fsi.html

External links

  • Audi Glossary: FSI
  • Audi Glossary: Turbocharger
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