Vehicular damper device

A vehicular damper device interposed between an engine and an output shaft and provided with a dual-mass flywheel comprising:

• a first inertial body in the form of a disk connected to a crankshaft of said engine and rotatable about an axis of said crankshaft;
• a torsional damping portion interposed between said first inertial body and said output shaft, said torsional damping portion comprises an input rotary member connected to the first inertial body, an output rotary member connected to the output shaft, and a first elastic member interposed between the input rotary member and the output rotary member;
• a second inertial body in the form of a disk rotatable about said axis, said second inertial body (i) having a smaller outside diameter than said first inertial body, (ii) cooperating with said first inertial body to constitute said dual-mass flywheel, and (iii) extending in a radial direction to an axis between said crank shaft and said output shaft;
• and
• a second elastic member interposed between said first inertial body and said second inertial body and operatively connecting said first and second inertial bodies such that said second elastic member is elastically deformable according to an amount of relative rotation of the first and second inertial bodies, to absorb a vibration energy during generation of torsional resonance.