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Joining and reinforcing a composite bumper beam and a composite crush can for a vehicle

United States Patent

March 21, 2017
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A front bumper beam and crush can (FBCC) system is provided for a vehicle. A bumper beam has an interior surface with a plurality of ribs extending therefrom. The ribs and the interior surface are made of a chopped fiber composite and cooperate to engage a crush can. The chopped fiber composite reinforces the engaging surfaces of the crush can and the interior surface of the bumper beam. The crush can has a tubular body made of a continuous fiber composite. The crush can has outwardly-extending flanges at an end spaced away from the bumper beam. The flanges are at least partially provided with a layer of chopped fiber composite to reinforce a joint between the outwardly-extending flange and the vehicle frame.
Berger; Elisabeth (Farmington Hills, MI), Decker; Leland (Sterling Heights, MI), Armstrong; Dale (Bloomfield Hills, MI), Truskin; James (Plymouth, MI), Pasupuleti; Praveen (Southfield, MI), Dwarmpudi; Ramesh (Novi, MI), Doroudian; Mark (Novi, MI)
14/ 935,722
November 9, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The invention was made with Government support under Contract No. DE-EE0005661 awarded by the Department of Energy. The Government has certain rights to the invention.