Two mass flywheel assembly with viscous damping assembly

Details Two mass flywheel assembly with viscous damping assembly Two mass flywheel assembly with viscous damping assembly

1987-06-05

1988-10-18

Wright, Dirk

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

1921062, 192 321, F16F 1510

Patent

active

047778431

ABSTRACT:
A torsional vibration isolation mechanism (30, 102 or 200) disposed in a two mass flywheel assembly (100) for reducing the effects of torsionals or vibration in a vehicle driveline and particularly high amplitude torque spikes occurring during resonance mode operation. The assembly includes primary and secondary flywheel assemblies (26,28), a resilient means 30 including a plurality of circumferentially spaced apart coil springs for attenuating torsional vibrations, and a viscous liquid damper 102 or 200 which increases damping in proportion to relative rotational velocity of the flywheel assemblies.

REFERENCES:
patent: 2838955 (1958-06-01), Burch
patent: 3262527 (1966-07-01), Allaben, Jr.
patent: 3266271 (1966-08-01), Stromberg
patent: 4274524 (1981-06-01), Nakane
patent: 4468207 (1984-08-01), Yoshida
patent: 4557357 (1985-12-01), Tinholt
patent: 4576259 (1986-04-01), Bopp
patent: 4584901 (1986-04-01), Conseur
patent: 4615237 (1986-10-01), Forkel
patent: 4663983 (1987-05-01), Kobayashi et al.
Drawing coded 170286 "Dual Mass Flywheel with Serial Damper" 2/1986.
Foreign paper by A. Sebulke et al, "Das Zwei-Massen-Schwungard, Ein Neuentwickelter Torsiondampfer fur Der PKW-Antriesstrang", (The Two-Mass-Flywheel, A Newly Developed Torsion Damper for Car Drivelines), coded 365150, (no date).

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