VARIABLE DISPLACEMENT TURBINE

PROBLEM TO BE SOLVED: To provide a variable displacement turbine having slide part, preventing leakage through an exhaust gas flow passage, and simple in structure. SOLUTION: A bag body 8 the volume of which is variable through input and output of fluid to vary the sectional area of an exhaust gas f...

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1. Verfasser: IKETANI NOBUYUKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a variable displacement turbine having slide part, preventing leakage through an exhaust gas flow passage, and simple in structure. SOLUTION: A bag body 8 the volume of which is variable through input and output of fluid to vary the sectional area of an exhaust gas flow passage is contained in a turbine housing 1. In this variable displacement turbine, since the bag body 8 to change a volume to vary the sectional area of the exhaust gas flow passage 6 does not have a slide part which a conventional link mechanism is provided, a problem on wear of a slide part in high temperature exhaust gas does not arise. Further, since the sectional area of a flow passage is throttled or expanded by changing the volume of the bag body 8, a space formed on the back side of a conventional moving plate is not formed and no exhaust gas flows therein, whereby incurring of a loss is reduced.