Electric assist turbocharger
AssigneePerkins Engines Company Limited
InventorAntony James EAGER
Life of this patent
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Abstract
An electric assist turbocharger unit for use in an internal combustion engine, comprising a shaft configured for torque-transmittingly connecting a compressor to a turbine of the turbocharger unit and an electric motor configured for rotatably actuating the shaft in a first rotational direction and in an opposed second rotational direction. The engine includes an aftertreatment system, and the rotation of the shaft is designed to retard the flow of intake air through an intake passage and of exhaust gases through the aftertreatment system, thereby controlling the temperature in the aftertreatment system.
Claims15
A turbocharger unit for use in an internal combustion engine comprising a shaft configured for torque-transmittingly connecting a compressor to a turbine of the turbocharger unit and an electric motor configured for rotatably actuating the shaft in a first rotational direction and in an opposed second rotational direction.
An Method for operating a turbocharger unit of an internal combustion engine wherein the turbocharger unit comprises a shaft which torque-transmittingly connects a compressor to a turbine of the turbocharger unit and an electric motor configured for rotatably actuating the shaft in a first rotational direction and in an opposed second rotational direction, comprising the step of increasing the temperature of exhaust gas of the engine by rotatably actuating the shaft in the second rotational direction.
Dependencies are inferred from the claim text.