Patent ID: 7954320

Claim:
A turbocompound engine apparatus comprising: an internal combustion engine; a first recuperation turbine ( 2 , 2 ′) positioned on the exhaust line ( 1 ) of the exhaust gases from said engine, the first recuperation turbine mechanically connected to said engine for providing mechanical power to said engine; a heat recovery system comprising a closed circuit ( 6 ) comprising a working fluid, a heat exchanger ( 8 ) in thermal communication with the exhaust line downstream of said first recuperation turbine suitable to allow the transfer of heat from the exhaust gases to said working fluid, a secondary turbine ( 9 ) operated by said working fluid; wherein said first recuperation turbine is downstream of a turbine of a turbocharger of the turbocompound engine; wherein said secondary turbine is mechanically connected to said engine for providing mechanical power to said engine.