Damping device i.e. torsional damper, for drive train of motor vehicle, has intermediate rings connected in series between springs of inner spring packets and springs of outer spring packets and moved relative to each other

摘要

The device (10') has two inner spring packets (18', 20', 22') connected in parallel and comprising springs (36', 38', 40', 42', 44', 46') that are connected in series. Two outer spring packets (12', 14', 16') are connected in parallel and comprise springs (24', 26', 28', 30', 32', 34') that are connected in series. Two intermediate rings (48', 48'') are connected in series between the springs of the inner spring packets and the springs of the outer spring packets and moved relative to each other.