| 摘要 |
A turbocharger comprising: a turbine housing (1) having an inlet passage (17) for receiving exhaust gas from an exhaust manifold of an internal combustion engine and an exhaust outlet for the gas (2); a turbine wheel (4) mounted in the turbine housing (1), the turbine wheel (4) being connected to a shaft (5) extending from the turbine housing (1) through a shaft bore via a bearing to a compressor impeller; a piston, (6) arranged coaxially to the turbine wheel (4) and movable parallel to the shaft (5) of the turbine wheel (4); a plurality of vanes (7) extending substantially parallel to the shaft (5) from a first end of the piston (6) across the inlet passage (17) and moveable to control the flow of exhaust gas to the turbine wheel (4); and an actuator connected to the piston (6), the actuator comprising a pivotally mounted lever (21) having a lever end (24) engaging in a cut-out in the piston (6), wherein the lever end (24) has at least one curved edge.
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