Audi reveals electric turbocharger technology Autocar

16 мая 2014 | Author: | Комментарии к записи Audi reveals electric turbocharger technology Autocar отключены


Audi A6 Electric Cars

Audi reveals electric technology

21 September 2012

is working on a new bi-turbo engine uses an electrically-driven turbocharger to eliminate turbo lag and markedly standing-start performance.

The prototype is on Audi’s new 3.0-litre V6 TDI Bi-turbo and is described by the company as being in the phase’. This experimental V6 uses a conventional exhaust-driven turbocharger with the small turbocharger being used at low speeds.

Reducing turbo lag — the gap the driver pressing the accelerator and the of the turbo’s boost — has the subject of engineer’s efforts for decades. The fundamental problem is the for a sufficient volume of exhaust to be generated by the engine and then at the turbocharger, in order to get it running at speed.

However, when the engine is at lower speeds, the volume of gas enough to spool the turbocharger up to its speed. Current turbocharged get around this problem by two turbos. The smaller turbo can be into action with volumes of exhaust gas and bridges the gap the bigger turbo can be brought play.

Audi’s new system, totally eliminates lag, boosts low-speed performance and is simpler than the twin-turbo and turbo set-ups used by the of BMW .

Audi A6 Electric Cars

Audi’s electric turbocharger in the induction system, downstream of the turbo and the intercooler and is normally not However, at very low speeds particularly from standstill the air charged by the main turbo is through the electric turbocharger, is already spinning at high and pushed with much force into the engine.

A brief drive of a prototype in an Audi A6 showed the electric set-up to be dramatically effective. The boost from a standing with the electric turbo in delivers what can probably be as sub-supercar performance. Audi’s own claim that, back-to-back a conventional V6 TDI, the electric car was two car lengths further down the just three seconds launch.

This early showed there was a just-definable dip in the delivery as the electric turbo way to main the turbo, but it is clear electric turbocharging is set to significantly the performance of forced-induction engines and a step-change in the standing-start performance.

There’s no news on when the will go into production, but the 2014 Audi A4. bases on the new hybrid MLB platform, looks to receive this engine.

Audi A6 Electric Cars
Audi A6 Electric Cars
Audi A6 Electric Cars
Audi A6 Electric Cars

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