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 1268059

ABSTRACT OF DISCLOSER A dual-type damper for damping vibration of a rotation axle, having (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 and cylindrical portions; (b) a first damper mass disposed radially outwardly of the cylindrical portion, concentrically with the same; (c) a first resilient member interposed between the cylindrical portion and the first damper mass; (d) a metallic annular member press-fitted onto an inside surface of the cylindrical portion; (e) a second damper mass having a cylindrical shape and disposed between the connection portion and the annular member, in an inner space of the cylindrical portion, concentrically with the cylindrical portion; and (f) a second resilient member disposed between the annular member and one axial end of the second damper mass, so as to secure the second damper mass to the annular member. Is also disclosed a dual-type damper having (g) a damper pulley including a cylindrical portion; (h) a first damper mass; (i) a first resilient member; (j) a second damper mass having a cylindrical shape and disposed in an inner space of the cylindrical portion; (k) a second resilient member supporting the second damper mass at one axial end of the same; and (1) a third resilient member mounted on an outside surface of the second damper mass, or on an inside surface of the cylindrical portion

520402

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