| 摘要 |
<p>An internal combustion engine having a reciprocating multi cylinder internal combustion engine with multiple valves. At least a pair of exhaust valves (26, 28) are provided and each supply a separate power extraction device. The first exhaust valves (28) connect to a power turbine (34) used to provide additional power to the engine either mechanically or electrically. The flow path from these exhaust valves (26, 28) is smaller in area and volume than a second flow path which is used to deliver products of combustion to a turbocharger turbine (42). The timing of the exhaust valve events is controlled to produce a higher grade of energy to the power turbine (34) and enhance the ability to extract power from the combustion process.</p> |
