Machine element or mechanism – Elements – Flywheel – motion smoothing-type
Patent
1986-10-10
1989-03-28
Moore, Richard E.
Machine element or mechanism
Elements
Flywheel, motion smoothing-type
74574, 464 27, F16F 1510
Patent
active
048153320
ABSTRACT:
A dual-type damper device for damping vibration of a rotation axle, has 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. A first damper-mass member is 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. A first resilient member is interposed between the cylindrical portion of the damper pulley and the first damper-mass member. A second damper-mass member has a cylindrical shape and is disposed concentrically in an inner space of the cylindrical portion of the damper pulley. A second resilient member is 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.
REFERENCES:
patent: 3861828 (1975-01-01), Biermann et al.
patent: 3945269 (1976-03-01), Bremer
patent: 4041803 (1977-08-01), Goloff et al.
patent: 4095485 (1978-06-01), Hiersig
patent: 4172510 (1979-10-01), Forkel
patent: 4317388 (1982-03-01), Wojcikowski
patent: 4516955 (1985-05-01), Worner et al.
patent: 4580666 (1986-04-01), Ferguson
Serizawa Minoru
Tazuke Yutaka
Luong Vinh
Moore Richard E.
Tokai Rubber Industries Ltd.
Toyota Jidosha & Kabushiki Kaisha
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