Bumper structure for a motor vehicle

摘要

A bumper cross member for a motor vehicle includes an insert of fiber-reinforced composite material and reinforcing structures molded onto the insert. A first groove is formed onto the insert, and the reinforcing structures include ribs formed in the first groove. The ribs extend inclined in relation to a longitudinal direction of the groove from one lateral wall of the groove to the other. The insert is further formed into a second groove, which are open toward opposing sides of the insert. The first and second grooves share a lateral wall. An outer bumper skin is supported by the bumper cross member.

主权项

1. A bumper structure for a motor vehicle comprising a bumper cross member having an insert of fiber-reinforced composite material and reinforcing structures molded onto the insert, and
wherein at least one first groove is formed onto the insert, and the reinforcing structures encompass ribs formed in the first groove, wherein the ribs extend inclined in relation to a longitudinal direction of the at least one first groove from a first lateral wall of the at least one first groove to a second lateral wall, wherein the insert is further formed into a second groove, and the at least one first groove and second groove are open toward opposing sides of the insert, wherein the first and second grooves share a lateral wall, and wherein ribs of the second groove extend so as to lengthen one respective rib of the first groove.