Nitinol Belleville elastic nonlinear (Ni-Belle-E-N) structural assembly

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United States of America

PATENT NO 12180742
APP PUB NO 20220290458A1
SERIAL NO

17654473

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Abstract

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A structural assembly and a structural bracing system including the structural assembly are presented. The structural assembly includes Belleville disks and shape memory alloy (SMA) rods with nonlinear elastic behavior (e.g., Nitinol rods) to resist lateral force. Stacked Belleville disks are placed between plates resulting in nonlinear elastic behavior in compression. Shape memory alloy rods are placed at the corners of the plates and held by nuts at the exterior faces of the plates. The rods are loose when a compression load is applied to the plates and will work in tension when a tensile load is applied to the plates. A shaft (e.g., steel tube) is placed at the center of the Belleville disks to stabilize the assembly. Addition of the assembly with nonlinear elastic behavior in both tension and compression loadings to a structural bracing system improves the structural behavior of the bracing system.

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Patent Owner(s)

Patent OwnerAddress
UNIVERSITY OF CINCINNATI2900 READING ROAD SUITE 260 CINCINNATI OH 45206

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fortney, Patrick Cincinnati, US 1 1
Hadad, Alireza Asgari Cincinnati, US 1 1
Shahrooz, Bahram Cincinnati, US 1 1

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