Zero slip torsional vibration damper

Details Zero slip torsional vibration damper Zero slip torsional vibration damper

F - Mech Eng,Light,Heat,Weapons

16

F

74/277, 74/278

F16F 15/04 (2006.01) F16F 15/14 (2006.01) F16F 15/167 (2006.01)

Patent

CA 1112079

ABSTRACT A torsional vibration damper of the type having an inertia ring coupled to a hub by means of an elastomer member. The hub is attached to a shaft subject to torsional vibrations. The radially outer- most portion of the elastomer carries angularly spaced pockets into which a damping liquid of high viscosity is placed. The specific improvement resides in thickening the radially innermost portion of the elastomer, relative to the radially outermost portion. In assembling the damper, the radially innermost elas- tomer portions are compressed, while the portions of lesser thickness are not compressed. A thin film of viscous liquid is adjacent the elastomer portions of lesser thickness, and thus functions as a viscous damper, while the thicker elastomer portions function to elastically dampen torsional vibrations.

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