Patent ID: 8991176
Filing Date: 2015-03-31
Classification: F01M,F02B,F05B,Y02T

Abstract:
1. A turbocharger for an internal combustion engine having an oil pump configured to supply a pressurized engine oil, the turbocharger comprising: a shaft having a first end and a second end, the shaft being supported for rotation about an axis by at least one bearing; a first turbine wheel mounted on the shaft proximate to the first end and configured to be rotated about the axis by post-combustion gasses emitted by the engine; a compressor wheel mounted on the shaft between the first and second ends and configured to pressurize an airflow being received from the ambient for delivery to the engine; and a second turbine wheel mounted on the shaft proximate to the second end and configured to be rotated about the axis by the pressurized engine oil, wherein the engine oil is directed to lubricate the at least one bearing subsequent to having rotated the second turbine wheel.