Dual-type damper device

Details Dual-type damper device Dual-type damper device

F - Mech Eng,Light,Heat,Weapons

16

F

74/279

F16F 15/10 (2006.01) F16F 15/126 (2006.01) F16F 15/14 (2006.01) F16H 55/36 (2006.01)

Patent

CA 1268058

ABSTRACT OF DISCLOSURE A dual-type damper device for damping vibration of a rotation axle, has (a) a damper pulley including a boss portion joined to the rotation axle, a cylindrical portion located radially outwardly of the boss portion, and a connection portion connecting the boss portion and the cylindrical portion; (b) a first damper-mass member disposed radially outwardly of the cylindrical portion of the damper pulley, such that the first damper-mass member is spaced apart from, and concentric with, the cylindrical portion; (c) a first resilient member interposed between the cylindrical portion of the damper pulley and the first damper-mass member; (d) a second damper-mass member having a cylindrical shape and disposed concentrically in an inner space of the cylindrical portion of the damper pulley; and (e) a second resilient member disposed between one of axial ends of the second damper-mass member and a corresponding part of the connection portion of the damper pulley which is opposed to the one axial end of the second damper-mass member, so as to secure the second damper-mass member to the connection portion, the second resilient member being subjected to shear deformation thereof due to relative radial displacement between the second damper-mass member and the connection portion of the damper pulley.

520401

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