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公开(公告)号：JPH08260992A
公开(公告)日：1996-10-08
申请号：JP7052596
申请日：1996-03-26
Applicant: ABB MANAGEMENT AG
Inventor： YOOZEFU BAETSU , KURAUSU FUSUSHIYUTETSUTAA
Abstract: PROBLEM TO BE SOLVED: To provide a method of sequentially supercharging an internal combustion engine so as to assure a stable operation characteristic of the entire turbo supercharger of an internal combustion engine and match the turbo supercharger always to the optimum operating condition of the internal combustion engine. SOLUTION: When a load variation of an internal combustion engine is small, first the turbine lateral cross-section of at least a first exhaust gas turbo supercharger 3 is increased or decreased accordingly, and then aligned with a single or a plurality of turbine lateral cross-section. By this, when a specified switching time point where a load variation is not compensated for, one of the other exhaust gas turbochargers 4 is switched on or off. Upon one of the other exhaust gas turbochargers 4 is switched on or off, at least one turbine cross-section of the first exhaust gas turbochargers 3 is decreased or increased accordingly. Then, a produced load variation is adjusted accordingly to the turbine lateral cross-section of at least the first exhaust gas turbocharger 3 for new compensation.
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公开(公告)号：JPH09222019A
公开(公告)日：1997-08-26
申请号：JP28436496
申请日：1996-10-25
Applicant: ABB MANAGEMENT AG
Inventor： YOOZEFU BAETSU , ENNIO KOODAN , KURISUTOFU MATEI
Abstract: PROBLEM TO BE SOLVED: To improve sure and stably running of an internal combustion engine by forming extension zones for an impact wave pipe, connecting the extension zones together by a connecting pipe and a cross-section reduced part for causing to connecting pipe to function as an orifice. SOLUTION: Two impact wave pipes 6 and 7 load-applied by a plurality of cylinders 1 to 4 to an internal combustion engine and connected to the gas entrances 10 and 11 of the exhaust gas turbine 5 of an exhaust gas turbo supercharger are provided and the cylinders 1 to 4 and the impact wave pipes 6 and 7 are connected to each other by connecting pipes 8 and 9. In this case, extension zones 12 and 13 for the impact wave pipes 6 and 7 are formed in the upstream sides of the connecting pipes 8 and 9 farthest from the exhaust gas turbine 5, the pipes 6 and 7 are connected to the extension zones 12 and 13 and these zones are connected to each other by a connection pipe 14. A cross-section reduced part 15 functioning as an orifice is provided in this connecting pipe 14.
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