| 摘要 |
<p>The invention relates to a turbocharger (1) with variable turbine geometry (VTG), having a turbine housing (2) with a supply duct (9) for exhaust gases; having a turbine wheel (4) which is rotatably mounted in the turbine housing (2); and having a guide apparatus (18), which surrounds the turbine wheel (4) radially at the outside, which has a vane bearing ring (6), which has a multiplicity of guide vanes (7) which each have a vane shaft (8) mounted in the vane bearing ring (6), which has an adjusting ring (5) which is operatively connected to the guide vanes (7) by way of associated vane levers (20) which are fastened to the vane shafts (8) at one of their ends, wherein each vane lever (20) has, at the other end, a lever head (23) which can be placed in engagement with an associated engagement recess (24) of the adjusting ring (5), and having an actuation device (11) which has an inner lever (26) which is arranged in the turbine housing (2) and which is connected by means of an adjustment pin (25) to the adjusting ring (5), wherein the adjustment pin (25) has a welding bolt (27) on which a wear-resistant sleeve (28) is arranged.</p> |
