The invention relates to an assembly (10) for absorbing impact energy, comprising a bumper beam and at least one energy absorbing device (1), interposed between this bumper beam (2) and a side member (3) of a motor vehicle, this energy absorbing device, also referred to as a crashbox, comprising a body comprising a plastic material and at least one insert (12) made from composite material comprising a plastic material and a reinforcing filler embedded in this plastic material of the insert, the plastic body and the composite insert being connected in particular by welding, bonding, thermoforming, the insert comprising a region of mechanical weakness (15) arranged to help initiate the breaking of the absorbing device.
ENSEMBLE ABSORBEUR D'ENERGIE DE CHOC
ASSEMBLY FOR ABSORBING IMPACT ENERGY
ANORDNUNG ZUR ABSORPTION VON AUFPRALLENERGIE
2023-10-18
Patent
Electronic Resource
French