| 摘要 |
<p>A regulating flap arrangement (1) of an exhaust-gas turbocharger (3) provided with a turbine housing (2), having a flap plate (4), and having a flap shaft (5), which is connected via an outer flap lever (6) to a regulating rod (7) of a drive (8), which is connected via an inner flap shaft lever (9) to the flap plate (4), and which is guided by means of a bushing (10) in the turbine housing (2), characterized by a first sealing surface (11) on a face-side end of the bushing (10), a second sealing surface (12), which is situated opposite the first sealing surface (11), on the outer flap lever (6) or the inner flap shaft lever (9), and a shaped sealing ring (13) which, as viewed in cross section, has at least one cavity (14), wherein the shaped sealing ring (13) bears simultaneously against the first sealing surface (11) and against the second sealing surface (12), and wherein the shaped sealing ring (13), in order to impart its sealing action, is compressed and deformed in the axial direction (15) of the flap shaft (5).</p> |
