Electrically Assisted Turbocharger
An electrically assisted turbocharger (EAT) is an arrangement where an electric motor assists the gas-driven turbocharger in providing forced induction, particular at times when exhaust gas flow is insufficient to produce the desired boost. Some systems integrate the motor inside a turbocharger, while others use a separate electric supercharger. Systems BorgWarner BorgWarner tested the idea in the 1990s, but never produced a part for production vehicles because of high power consumption, until the Mercedes-Benz M256 engine (2017), which used a 48-volt electrical system. , BorgWarner markets two EAT solutions: a standalone "electric compressor" (i.e. supercharger) named eBooster and a turbocharger with a single-shaft motor attached named eTurbo. Garrett Motion In October 2019, Garrett Motion announced its first electric turbocharger for market passenger vehicles, with expected launch in 2021. The design adds an electric motor between the turbocharger's turbine wheel and co ...
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