Viscous torsional vibration damper has damping mass which has at least one annular recess in which engages annular extension of housing, forming encompassing free space between extension and recess

摘要

The viscous torsional vibration damper with a damper housing (2) including a working chamber, has a damping mass (7) which has at least one annular recess (10) in which engages an annular extension (12) of the housing, forming an encompassing free space between the extension and the recess. The at least one annular extension extends in the axial direction, or may extend in the radial direction. The damper housing has at least one sealing cap (5) axially closing off the housing on one side, wherein an axially extended extension is located on the cap or inner wall of the housing.