Torsional vibration damper

Details Torsional vibration damper Torsional vibration damper

1976-03-05

1978-04-11

Scott, Samuel

Machine element or mechanism

Elements

Flywheel, motion smoothing-type

G05G 100

Patent

active

040832651

ABSTRACT:
A torsional vibration damper of the type having a hub which carries an outer inertia ring coupled thereto by an elastomer. Supplemental damping is added to the system via the use of dry friction. A broad frequency range of effectiveness is provided by designed non-linearity of the device made possible by the dry friction. A greater broadening of the frequency range of effectiveness is made possible by utilizing a plurality of inertia masses carried by the hub, all mounted on the same elastomer. Elastomeric compression is utilized to spring-load the friction surfaces, providing a series-parallel, elastomer viscous-dry friction damping medium. In multiple mass application the concept of mass interaction is utilized to further determine the dynamic performance of the damper.

REFERENCES:
patent: 2861472 (1958-11-01), Hansz
patent: 2939338 (1960-06-01), Troyer
patent: 2972904 (1961-02-01), Troyer
patent: 3078737 (1963-02-01), McGavern

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