Development of New Torsion Profile for Twistbeam Suspension to Optimize Weight and Cost with Enhanced Performance

Paper #:
  • 2017-01-1491

Published:
  • 2017-03-28
Abstract:
This paper outlines the invention, patented under patent number US 9,315,087 B2, on how a twist beam can be efficiently designed for a given roll stiffness by using the sectional properties of the beam section in combination with a long reinforcement and curved flanges. This helps in reducing the weight and cost in addition to improve the durability performance and camber compliance of the twist beam structure while using conventional stamping and welding technologies. As against the conventional method of changing the roll stiffness only with the thickness of the torsion beam, the invention detailed in this paper uses the shape and the thickness of the torsion profile to control the roll stiffness.The paper details the work done to develop the design concept and the validation using rig and vehicle level testing. This invention has been successfully patented with USPTO in 20166 (Patent number US 9,315,087 B2)
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