Abstract
Two-stage turbochargers are often used for IC engines to achieve higher overall pressure ratios resulting in increased the power density within the short duration of the intake valve opening. A typical two stage application may use the first turbocharger for pre-compressing the air (low pressure compressor) while the second compressor lifts the boost pressure to the desired level. A serial compressor and parallel turbine configuration often causes knocking and control issues for engine because of different pressure in different manifolds. The proposed solution uses electric motors on both the shafts to maintain desired pressure in exhaust manifolds.
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Recommended Citation
"Control Method of Serial / Parallel Boosting System with E-Boosting Devices", Technical Disclosure Commons, (September 11, 2024)
https://www.tdcommons.org/dpubs_series/7335