Patent ID: 8490393

Claim:
A supercharging system for an internal combustion engine, comprising: a turbocharging device with a turbine and a compressor, said turbine and said compressor connected to a compressor shaft; a closed housing, the compressor shaft extending through the closed housing; seals provided at lead-throughs of said closed housing for said compressor shaft; a planetary gear set including a sun gear, planet gear wheels, and a ring gear wheel, said sun gear coupled to said compressor shaft and said ring gear wheel, a clutch unit; a power transmission for connecting a crankshaft of the combustion engine to said ring gear wheel via the clutch unit; and an electric motor/generator connected to said power transmission, wherein, the planetary gear set is located between the electric motor/generator and the compressor shaft, and the supercharging system delivers compressed air to the internal combustion engine during engine operation.