초록 ▼

A turbocharged internal-combustion engine (10), with at least one high-pressure stage (20), with at least one low-pressure stage (30), which is arranged downstream of the high-pressure stage, with bypass piping (24a, 24b) having pipe switch(es) (70, 71), and which connect the exhaust side (12) of th

A turbocharged internal-combustion engine (10), with at least one high-pressure stage (20), with at least one low-pressure stage (30), which is arranged downstream of the high-pressure stage, with bypass piping (24a, 24b) having pipe switch(es) (70, 71), and which connect the exhaust side (12) of the engine with the inlet side of the low-pressure turbine (31) with sensors for detection of the operating parameters of the engine. The high-pressure turbine (21) is continuously flowed through by at least a minimum exhaust mass flow so that it continually circulates, a central processing unit (CPU) is provided, into which signals of the sensors are fed, the CPU actuates the pipe switch (70, 71) in such a way that variable partial flows of the entire exhaust mass flow are distributed to the high-pressure turbine (21), to the low-pressure turbine (31) and optionally to the fresh air side of the engine, and namely in order to optimize the mode of operation of the engine with a view to achieving minimum fuel consumption and/or minimum pollutant emission.

대표청구항 ▼

A turbocharged internal-combustion engine (10), with at least one high-pressure stage (20), with at least one low-pressure stage (30), which is arranged downstream of the high-pressure stage, with bypass piping (24a, 24b) having pipe switch(es) (70, 71), and which connect the exhaust side (12) of th

A turbocharged internal-combustion engine (10), with at least one high-pressure stage (20), with at least one low-pressure stage (30), which is arranged downstream of the high-pressure stage, with bypass piping (24a, 24b) having pipe switch(es) (70, 71), and which connect the exhaust side (12) of the engine with the inlet side of the low-pressure turbine (31) with sensors for detection of the operating parameters of the engine. The high-pressure turbine (21) is continuously flowed through by at least a minimum exhaust mass flow so that it continually circulates, a central processing unit (CPU) is provided, into which signals of the sensors are fed, the CPU actuates the pipe switch (70, 71) in such a way that variable partial flows of the entire exhaust mass flow are distributed to the high-pressure turbine (21), to the low-pressure turbine (31) and optionally to the fresh air side of the engine, and namely in order to optimize the mode of operation of the engine with a view to achieving minimum fuel consumption and/or minimum pollutant emission. said cooling air to pass through said openings, to a second position, in which said openings are generally misaligned to allow a second flow rate of said cooling air to pass through said openings; wherein said second flow rate is less than said first flow rate. 14. The valve assembly as recited in claim 13, wherein said first and second members are annular. 15. The valve assembly as recited in claim 13, wherein said actuator rotates said first member. 16. The valve assembly as recited in claim 13, wherein said first position occurs when said engine is in a conventional take-off and landing (CTOL) configuration and said second position occurs when said engine is in a full short take-off vertical landing (STOVL) configuration. 17. The valve assembly as recited in claim 13, wherein said actuator is part of a three bearing swivel duct.