摘要 |
An engine system including a compression ignition internal combustion engine (14), a turbo charger (34) having a turbo charger turbine (60) coupled to a turbo charger compressor (62), an electric supercharger (32) having an electric motor (64) coupled to a supercharger compressor (66), the electric supercharger (32) being operable to selective supply pressurised air to an inlet of the turbo charger compressor, and a bypass duct (76) for selectively supplying air to the inlet of the turbo charger compressor. |