Constellium Singen Gmbh

Andre Mueller

Thomas Rebstock

Robert Elsaesser

A crash management system (″) for a front part of a vehicle, oriented in a local referential, having a longitudinal direction X a transverse direction Y perpendicular to the longitudinal direction X and a vertical direction Z perpendicular to the plane defined by said directions X and Y, comprising an assembly (″) of bumper beams with at least a first bumper beam (″) and a second bumper beam (″), oriented in said transverse direction Y, said first bumper beam (″) and second bumper beam (″) being vertically spaced wherein said first bumper beam (″) is located above said second bumper beam (″), optionally comprising at least one crash box () connected to at least a bumper beam (″), and comprising at least a connecting element () characterized in that said connecting element () connects said first bumper beam (″) and said second bumper beam (″), and wherein said connecting element () is an extruded hollow profile which extrusion direction (E) is substantially parallel to said vertical direction Z.

Connecting element for improved crash behaviour in a car to car collision

A crash box () comprising a hollow profile () extending along a longitudinal direction (X) and having a crush length (LCB), said hollow profile () having at least two chambers () characterized in that it comprises at least a deformable element (″) contained into at least one chamber () contributing to the energy absorption capability of said crash box ().

Crash box containing a deformable element to extend the capacity of a crash box to absorb impact energy

The invention relates to a bumper () for a motor vehicle, with a cross beam element () exhibiting a back side () designed to be fastened to the motor vehicle with at least one fastening device (), preferably in the form of a crash box, and a front side () lying opposite the back side (), wherein the cross beam element () has at least one hollow chamber () with a closed cross section, and with a reinforcing element (), which extends over part of the length of the cross beam element () and is joined with the cross beam element (). The invention provides that the cross beam element () be designed together with the reinforcing element () as a single-piece extruded part.

Growing community of inventors

Hilzingen, Germany

Andre Mueller