Patent ID: 10539070

Abstract:
Methods and systems are provided for a supercharged internal combustion engine having staged boosting devices. In one example, a system may include an engine coupled to an intake system for receiving charge air and an exhaust system for discharging exhaust gases, an electrically driven compressor arranged in the intake system upstream of a turbocharger compressor, a bypass line, including a bypass valve, coupled across the electrically driven compressor, a throttle arranged at an inlet of the electrically driven compressor, and an exhaust gas recirculation system that couples the exhaust system downstream of the exhaust turbine to the intake system upstream of the electrically driven compressor via a first recirculation branch and between the electrically driven compressor and the turbocharger compressor via a second recirculation branch. In this way, the electrically driven compressor may be operated to reduce condensate formation at an inlet of the turbocharger compressor.