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US 11,440,453 B2Granted
Vehicle head restraint with tuned damper
AssigneeFord Global Technologies, LLC
InventorsSangram Tamhankar, Vishal Vinayak Nageshkar, Chaitanya Nimmagadda, Cindy Sofia Barrera-Martinez, John Edward Huber
Life of this patent
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Abstract
An article, such as a vehicle seat, includes a one-piece vehicle head restraint structure that defines a frame and a plurality of receptacles. There are metallic resonators disposed in the receptacles. Polymeric dampers line the receptacles and circumscribe the metallic resonators.
Claims18
An article comprising:
- a one-piece vehicle head restraint structure defining a frame and a plurality of receptacles;
- a plurality of metallic resonators, each said metallic resonator being disposed in one of the receptacles;
- and
- a plurality of polymeric dampers, each said polymeric damper lining one of the receptacles and circumscribing one of the metallic resonators, the polymeric dampers defining damper walls having a plurality of elongated cavities therein.
1 more element
An article comprising:
- a headrest including a cushion;
- a one-piece vehicle head restraint structure supporting the headrest and defining a frame and a plurality of receptacles;
- a plurality of metallic resonators, each said metallic resonator being disposed in one of the receptacles;
- and
- a plurality of polymeric dampers, each said polymeric damper lining one of the receptacles and circumscribing one of the metallic resonators, wherein
- the polymer dampers are formed of rubber, the metallic resonators are metallic blocks, and a damping response of the polymer dampers and the metallic resonators is tuned to a resonant vibrational frequency of a vehicle seat, and
- the plurality of receptacles includes at least first and second receptacles, the first and second receptacles share a common receptacle wall, and the polymeric dampers define damper walls having at least one of a plurality of elongated cavities therein or a plurality of through-holes therein.
4 more elements
Dependencies are inferred from the claim text.