A hydrodynamic coupling device includes {HEAD ~ a hydrodynamic circuit} having {TAIL ~ at least an impeller wheel} and a turbine wheel and a lockup clutch having an axially movable piston and a torsional vibration damper 
A hydrodynamic coupling device includes { HEAD ~ a hydrodynamic circuit } having { TAIL ~ at least an impeller wheel } and a turbine wheel and a lockup clutch having an axially movable piston and a torsional vibration damper
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH