Torsional vibration absorber with improved retention feature
AssigneeGM Global Technology Operations LLC
InventorRolando V. Rodriguez
Life of this patent
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Abstract
A torsional damper assembly includes a hub having an outer periphery, an annular elastomeric element disposed about the outer periphery, and an annular inertia ring disposed about the elastomeric element. The inertia ring has an inner periphery adjacent the elastomeric element. The outer periphery of the hub is provided with a first plurality of surface features and the inner periphery of the inertia ring is provided with a second plurality of surface features. The first plurality of surface features is complementary to and engaged with the second plurality of surface features.
Claims13
A torsional damper assembly comprising:
- a hub having an outer periphery;
- an annular elastomeric element disposed about the outer periphery;
- and
- an annular inertia ring disposed about the elastomeric element, the inertia ring having an inner periphery adjacent the elastomeric element;
- wherein the outer periphery of the hub is provided with a first plurality of surface features and the inner periphery of the inertia ring is provided with a second plurality of surface features, the first plurality of surface features being complementary to and engaged with the second plurality of surface features.
A torsional damper assembly comprising:
- a hub having an outer periphery;
- an annular elastomeric element disposed about the outer periphery;
- an annular inertia ring disposed about the elastomeric element, the inertia ring having an inner periphery adjacent the elastomeric element;
- and
- a protective flange having an inboard portion coupled to the outer periphery of the hub and a radial extension portion extending outboard of the inboard portion, wherein the radial extension portion is axially spaced from the inertia ring.
Dependencies are inferred from the claim text.