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After Hungary
Championship Standings:

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POS DRIVER PTS

1 Lewis Hamilton 63
2 Valtteri Bottas 58
3 Max Verstappen 33
4 Lando Norris 26
5 Alexander Albon 22
6 Sergio Perez 22
7 Charles Leclerc 18
8 Lance Stroll 18
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14 Antonio Giovinazzi 2
15 Daniil Kvyat 1
16 Kevin Magnussen 1
17 Kimi Raikkonen 0
18 Nicholas Latifi 0
19 Romain Grosjean 0
20 George Russell 0

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POS CONSTRUCTOR PTS
1 Mercedes 121
2 Red Bull Honda 55
3 McLaren Renault 41
4 Racing Point Merc 40
5 Ferrari 27
6 Renault 12
7 AlphaTauri Honda 7
8 Alfa Romeo Ferrari 2
9 Haas Ferrari 1
10 Williams Mercedes 0

Mercedes brings F1 electric turbo to passenger cars

New electric exhaust gas turbocharger
Thursday, June 18, 2020

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Formula 1 inspired, the electric motor eliminates the turbo lag issue
Formula 1 inspired, the electric motor eliminates the turbo lag issue that you get just using exhaust gas to spin the turbine
Mercedes-AMG increases efficiency and performance with new electric exhaust gas turbocharger

The future of Mercedes-AMG is turning electric, with part of this evolution focused on combining high efficiency and enhanced driving dynamics. Developers in Affalterbach are working intensively on innovative technologies to ideally implement this combination, which will take driving performance to a new level. As a proof point in this evolution, the next vehicle generation will see the deployment of a new electric exhaust gas turbocharger.

Mercedes-AMG is pressing ahead with electrification through innovative developments, thanks in-part to its motorsport experience. The latest achievement, already in the final stages of development, is the electric exhaust gas turbocharger. In the future, this new turbocharger will be used in a series production model from Affalterbach. Developed in partnership with Garrett Motion, this technology comes straight from Formula 1 and resolves the conflicting goals of a small, fast-reacting turbocharger, with relatively low peak performance, with a large turbocharger capable of high peak performance, while effectively eliminating the presence of turbo lag.

Mercedes first developed the electric turbo for their F1 engines
Mercedes first developed the electric turbo for their F1 engines

Exhaust gas turbocharger with integrated electric motor: agility redefined

The highlight of this innovative turbocharging system is a slim electric motor, measuring about 1.6 in, which is integrated directly on the turbocharger shaft, between the turbine wheel on the exhaust side and the compressor wheel on the fresh air side. This electronically controlled electric motor drives the compressor wheel before accepting the exhaust gas flow.

The electrification of the turbocharger significantly improves response from idle speed, as well as across the entire engine speed range.

Turbo lag – the delayed response of a conventional turbocharger – is eliminated by the electric motor. The result is that the combustion engine responds even more immediately to accelerator pedal input, and the entire driving character is significantly more dynamic and agile.

In addition, electrification of the turbocharger enables higher torque at low engine speeds, which also enhances agility and optimizes acceleration capability from a standstill. Even when the driver takes their foot off the accelerator or applies the brakes, the electric turbocharger is able to maintain boost pressure at all times, so that a continuous and direct response is assured.

The turbocharger can achieve speeds of up to 170,000 rpm, which enables a very high rate of air flow. It can be operated via a 48-volt on-board electrical system. The turbocharger, electric motor and power electronics are connected to the combustion engine's cooling circuit to create an optimized temperature environment at all times.

Mercedes developed the turbo in conjunction with Garrett
Mercedes developed the turbo in conjunction with Garrett
"We have clearly defined our goals for an electrified future. In order to reach them, we are relying on discrete and highly innovative components as well as assemblies. With this move we are strategically supplementing our modular technology and tailoring it to our performance requirements.

In a first step this includes the electrified turbocharger - an example of the transfer of Formula 1 technology to the road, something with which we will take turbocharged combustion engines to a previously unattainable level of agility," explains Tobias Moers, Chairman of the Board of Management of Mercedes-AMG GmbH.

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