Abstract: As automotive vehicle frame can be strengthened by reinforcing the tubular frame elements that form the side door openings. A three dimensional core element and rigid foam can be incorporated into each tubular frame element to achieve a significant increase in the frame bending strength, without adding appreciable weight to the vehicle frame.
Type:
Grant
Filed:
November 6, 2000
Date of Patent:
April 30, 2002
Assignee:
DaimlerChrysler Corporation
Inventors:
Robert M Schoen, Rao Nuthalapati, Pamela E Larson, Nicol M Erickson, Haili Zhou