Bumper beam and bumper assembly including a bumper beam
AssigneeGeneral Electric Company
InventorAdam K. Trappe
Life of this patent
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Abstract
A bumper assembly for an automotive vehicle includes a beam and an energy absorber. The energy absorber includes a flanged frame for attachment to the beam and a body extending from the frame. The body includes a first transverse wall, a second transverse wall spaced from the first wall and a plurality of tunable crush boxes extending therebetween. The bumper assembly has greater than fifty percent efficiency.
Claims16
A shockless bumper system comprising a thermoplastic beam and an energy absorber coupled to said beam, said beam comprising a flange, said energy absorber comprising a flanged frame for attachment to said beam and a body extending from said frame, said body comprising a first transverse wall, a second transverse wall spaced from said first wall and a plurality of tunable crush boxes extending therebetween, said flanged frame comprising at least one finger configured to snap over said beam flange, said bumper system having greater than fifty percent efficiency.
A bumper assembly for an automotive vehicle comprising:
- a thermoplastic beam configured to maintain a section modulus throughout an impact event, said beam comprising at least one flange;
- a non-foam type thermoplastic energy absorber coupled to said beam, said energy absorber comprising a flanged frame for attachment to said beam, said flanged frame comprising at least one finger configured to snap over said beam flange;
- and
- a fascia attachable to said energy absorber to substantially envelop said beam and said energy absorber.
Dependencies are inferred from the claim text.