US 12,420,730 B2
Energy absorption device for a bumper arrangement of a motor vehicle and bumper arrangement of a motor vehicle
Jiri Hauptvogel, Gjovik (NO)
Assigned to BENTELER AUTOMOBILTECHNIK GMBH, Paderborn (DE)
Filed by BENTELER AUTOMOBILTECHNIK GMBH, Paderborn (DE)
Filed on Dec. 7, 2021, as Appl. No. 17/543,869.
Claims priority of application No. 102020132481.2 (DE), filed on Dec. 7, 2020.
Prior Publication US 2022/0176901 A1, Jun. 9, 2022
Int. Cl. B60R 19/34 (2006.01); B60R 19/18 (2006.01)
CPC B60R 19/34 (2013.01) [B60R 19/18 (2013.01)] 14 Claims
OG exemplary drawing
 
1. An energy absorption device for a bumper arrangement of a motor vehicle, comprising:
at least one closed hollow chamber which is configured over its entire longitudinal extent from a bumper-side end to a vehicle-side end,
wherein the at least one closed hollow chamber is formed by a first side wall, a second side wall, an upper wall, and a lower wall,
wherein the first side wall is parallel to the second side wall,
wherein two support elements are joined to one of the first and second side walls,
wherein the two support elements are connected together by a connecting web,
wherein the connecting web is parallel to the first and second side walls,
wherein a longitudinal extent of the connecting web is shorter than a longitudinal extent of the first and second side walls,
wherein the first side wall is an outer wall in an inward direction of the motor vehicle,
wherein an end portion of the two support elements on the bumper-side end is supported on the bumper of a motor vehicle, and
wherein the two support elements and the connecting web together with the outer wall form a further hollow chamber extending in a direction of a longitudinal extent of the device.