Abstract: A crash management system for a motor vehicle, the crash management system having a cross member for the connection to a body shell structure of the motor vehicle, the cross member comprising a front flange, a rear flange and two cross walls connecting the front flange and the rear flange for the formation of a closed cross section, and the crash management system having two reinforcement areas in the area of the rear flange which extend at a distance from one another in the longitudinal direction of the cross member, which are disposed parallel to one another and which are disposed above and below a center plane extending at least substantially parallel to the cross walls, the reinforcement areas projecting in the direction of the front flange, the two reinforcement areas being formed by longitudinal ribs at least indirectly connected to the rear flange.

Abstract: A battery holder (1) having a frame (3) and a floor (5) delimiting between them a housing (4) intended to receive all or part of a battery, the frame (3) having a closed shape having a first corner (6) and a second corner (8), and having: a main frame part (10) having a main profile (11) formed in one piece; and a closing frame part (30) having a closing element (31) presenting externally a cooperation surface (37); the main profile (11) being secured to the cooperation surface (37) so as to form the first corner (6), the main profile (11) being secured to the cooperation surface (37) so as to form the second corner (8); and a manufacturing process for the battery holder (1).

Abstract: The invention relates to a connecting element (10) for fastening a bumper (1) to a body structure of a vehicle, the connecting element (10) having a first end face (16) facing the bumper (1) and a second end face (18) facing the body structure, and the connecting element (10) being realized as an extrusion component and having at least one screw section (14) monolithically connected to the extrusion component and having an internal thread (12), the screw section (14) extending over a part of the length of the connecting element (10) in the direction of a longitudinal axis (22) of the connecting element (10).

Abstract: The invention concerns a battery holder (1) for an electric or hybrid motorized transport vehicle, the battery holder (1) comprising a frame (3) comprising at least one frame part (9) being configured to absorb all or part of shocks by an external element (7) likely to be applied to the battery holder (1). The frame part (9) comprising at least one internal profile (10) and at least one external profile (30), said at least one internal profile (10) being positioned between said at least one external profile (30) and the floor (5). The at least one internal profile (10) is formed from a first material having a first yield strength value, and the at least one external profile (30) is formed from a second material distinct from the first material and having a second yield strength value. The invention also concerns a manufacturing process of a battery holder (1).

Abstract: A crash box (3) comprising a hollow profile (38) extending along a longitudinal direction (X) and having a crush length (LCB), said hollow profile (38) having at least two chambers (4) characterized in that it comprises at least a deformable element (7, 7?, 7?) contained into at least one chamber (4) contributing to the energy absorption capability of said crash box (3).

Abstract: The invention relates to an extruded product made of 6xxx aluminium alloy comprising 0.40-0.80 wt. % Si, 0.40-0.80 wt. % Mg, 0.40-0.70 wt. % Cu, up to 0.4 wt. % Fe, up to 0.30 wt. % Mn, up to 0.2 wt. % Cr, up to 0.2 wt. % V, up to 0.14 wt. % Zr, up to 0.1 wt. % Ti, up to 0.05 wt. % each impurity and total 0.15 wt. %, remainder aluminum, wherein the ratio Mg/Sifree is between 0.8 and 1.2 where Sifree is calculated according to the equation Sifree=Si?0.3*(Mn+Fe) where Si, Mn and Fe correspond to the content in weight % of Si, Mn and Fe of said 6xxx aluminum alloy and to the corresponding extruded product particularly suitable with a tensile yield strength higher than 280 MPa, and excellent crash properties. The invention also relates to the manufacturing process to obtain such extruded product.

Abstract: A structural beam for a motor vehicle comprising at least one roll formed sheet made of a heat-treatable aluminium alloy, wherein said structural beam has at least one closed chamber and has minimum a tensile yield strength of at least 420 MPa.

Abstract: The present invention relates to extrusions for structural components, such as bumper, side impact beam, seat sill in vehicles and more particularly to a method for optimizing strength and energy absorption of 6XXX aluminium alloys extrusions by variations in thermomechanical ageing (TMA) consisting in i) an artificial preageing treatment with a duration t1 at a temperature T1 selected to increase the yield strength of said extrusion between 5% and 20%, said temperature T1 being typically between 120° C. and 180° C. and said duration t1 being typically between 1 and 100 hours, to obtain an artificially preaged extrusion, ii) a plastic deformation of said artificially preaged extrusion between 1% and 80% to obtain a deformed extrusion, iii) a final artificial ageing treatment of said deformed extrusion with a duration t2 at a temperature T2, said temperature T2 being typically between 140° C. and 200° C. and said the duration t2 being typically between 1 and 100 hours.

Abstract: The invention relates to a crash management system (100) for a motor vehicle, the crash management system (100) comprising: a crossbeam (10) having a front wall (16), a rear wall (18) and at least two transverse walls (19, 20) connecting the front wall (16) to the rear wall (18) and forming a closed cross section of the crossbeam (10); crash boxes (12) disposed at a distance from each other and connected to the crossbeam (10) and configured to connect the crossbeam (10) to a vehicle structure; and a receiving element (25) for attaching a towing lug, the receiving element (25) being connected to the crossbeam (10) laterally next to one crash box (12), the crossbeam (10) having respective receiving openings (47, 48) in the area of its front wall (16) and its rear wall (18), each receiving opening (47, 48) being adapted to the cross section of the receiving element (25).

Abstract: A crash management system for a vehicle 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 a bumper cross member globally oriented in said transverse direction Y, at least a longitudinal member arrangement, at least a crash extension attached to at least one of the ends of said bumper cross member and extending over a predetermined length behind said bumper cross member in the longitudinal direction wherein said crash extension is a hollow profile having at least one chamber and having at least one flange attached on said bumper cross member, wherein said flange bends in the event of a deformation of the end portion of said bumper cross member following a collision of the vehicle, in particular a collision with small overlap.

Abstract: An object of the invention is a thermal management device (1) for a battery, including an extruded plate (2). The extruded plate (2) comprises a first channel (13) and a second channel (23), configured to allow a flow of a coolant. The extruded plate (2) also includes at least one encapsulation cavity (33), intended to be filled by a Phase Change Material. The first channel, the second channel and the encapsulation cavity extend between a front face (10) and a rear face (20) of the extruded plate (2). The device comprises an inlet/outlet cap (40), connected to the front face (10) and a diverting cap (50,50?), connected to the rear face (20). Both caps provide plugs of each encapsulation cavity. The diverting cap forms a connecting channel (52i,52s), connecting the first channel (13) to the second channel (23).

Abstract: The invention relates to a battery holder (1) comprising a floor (100) and a frame (200) delimiting a housing intended to receive all or part of a battery. The floor (100) comprises a plurality of profiles provided with male locking members (142) and female locking members (122). The floor (100) varies between: a separate configuration in which the profiles are separated; a snapped configuration in which the male locking members (142) and the female locking members (122) cooperate with each other to oppose a return to the separate configuration and are also movable relative to each other according to a predetermined degree of freedom; a locking configuration in which an interlocking and sealing agent (130) is interposed between the male locking members (142) the female locking members (122) and removes (irreversibly) said degree of freedom.

Abstract: A crash management system (1) for a front or rear part of a vehicle having a longitudinal direction X, a transverse direction Y perpendicular to the longitudinal direction X and a vertical direction Z perpendicular to the longitudinal direction X and to the transverse direction Y, said crash management system (1) having a crash management system length (LC) along the Y direction and comprising: a cross beam (2) having a cross beam length (LB) along the Y direction, at least one additional element (3) having an outer face (36) and an inner face (50), wherein the additional element has at least one wall (38) which is connected to said cross beam (2), at least one absorber (4) having an outer face and/or an inner face, characterized in that said cross beam length (LB) is smaller than said crash management system length (LC), said cross beam (2) is connected to said absorber (4) through said additional element (3).

Abstract: A manufacturing process for obtaining extruded products made from a 6xxx aluminium alloy, wherein the said manufacturing process comprises following steps: a) homogenizing a billet cast from said aluminium alloy; b) heating the said homogenised cast billet; c) extruding the said billet through a die to form at least a solid or hollow extruded product; d) quenching the extruded product down to room temperature; e) optionally stretching the extruded product to obtain a plastic deformation typically between 0.5% and 5%; f) ageing the extruded product without applying on the extruded product any separate post-extrusion solution heat treatment between steps d) and f). characterised in that: i) the heating step b) is a solution heat treatment where: b1) the cast billet is heated to a temperature between Ts-15° C. and Ts, wherein Ts is the solidus temperature of the said aluminium alloy; b2) the billet is cooled until billet mean temperature reaches a value between 400° C. and 480° C.

Abstract: A crash management system (1, 1?, 1?) 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 (2, 2?, 2?) of bumper beams with at least a first bumper beam (3, 3?, 3?) and a second bumper beam (4, 4?, 4?), oriented in said transverse direction Y, said first bumper beam (3, 3?, 3?) and second bumper beam (4, 4?, 4?) being vertically spaced wherein said first bumper beam (3, 3?, 3?) is located above said second bumper beam (4, 4?, 4?), optionally comprising at least one crash box (5, 6) connected to at least a bumper beam (3, 3?, 3?, 4, 4?, 4?), and comprising at least a connecting element (100, 200,300, 400, 500) characterized in that said connecting element (100, 200,300, 400, 500) connects said first bumper beam (3, 3?, 3?) and said second bumper beam (4, 4?, 4?), and wherein said conne

Abstract: A bumper system (4) for a motor vehicle comprising a cross beam (1) which is globally orientated in a transverse direction (Y), said cross beam comprising a front wall (6) adapted to receive a crash impact force and a rear wall (5) opposed and spaced from said front wall, at least one absorber (2), at least an intermediate component (3) to attach the absorber (2) to the cross beam (1), said intermediate component (3) being connected to the rear wall (5) through a first contact area (10), distant from a longitudinal axis (LL), by an internal component distance, called Lin, and an external component distance, called Lout, which corresponds respectively to the minimum and maximum distance between said first contact area (10) and the longitudinal axis (LL), said longitudinal axis (LL) passing at mid width of the cross beam and being perpendicular to the transverse direction (Y), said intermediate component (3) being connected to the absorber (2) through a second contact area (20) distant from the longitudinal axi

Abstract: The present invention relates to a system consisting of a connection node and at least one first connection body, wherein: the connection node comprises a connection node central body, a first connection element for joining with the connection body, and at least one second connection element for joining with a second connection body; the first connection element and the second connection element are connected or may be connected to the connection node central body; and at least one portion of the connection node central body and/or of the first connection element and/or of the second connection element is manufactured by means of an additive process, for example 3D printing, or by means of a casting process.

Abstract: The invention relates to a manufacturing process for obtaining 6xxx-series aluminium alloy solid extruded products, comprising Si: 0.3-1.7 wt. %; Mg: 0.1-1.4 wt. %, Cu: 0.1-0.8 wt. %, Zn 0.005-0.7 wt %, one or more dispersoid element, from the group consisting of Mn 0.15-1 wt. %, Cr 0.05-0.4 wt. % and Zr 0.05-0.25 wt. %, Fe at most 0.5 wt. %, other elements at most 0.05 wt. % the rest being aluminium, having particularly high mechanical properties, typically an ultimate tensile strength higher than 400 MPa, preferably 430 MPa, and more preferably 450 MPa without the need for a post-extrusion solution heat treatment operation. The invention also concerns a manufacturing process for obtaining a bumper system in which is integrated a towing eye, said towing eye being made with said high mechanical properties aluminium alloys.

Abstract: A battery box for electric or hybrid motor vehicles, comprising a peripheral frame which has a generally convex polygonal shape, a bottom part and a top cover; the bottom part being joined to a lower surface of the peripheral frame, said peripheral frame comprising at least an aluminum extruded element, bent in a single direction in at least a position along the extrusion longitudinal direction according an angle wherein said bent aluminum extruded element at the said position presents at least two different inner radii of curvatures.

Abstract: A crash box (3) comprising a hollow profile (38) extending along a longitudinal direction (X) and having a crush length (LCB), said hollow profile (38) having at least two chambers (4) characterized in that it comprises at least a deformable element (7, 7?, 7?) contained into at least one chamber (4) contributing to the energy absorption capability of said crash box (3).