Abstract: A tower for a wind turbine may include an upper tower portion and a lower tower portion. The upper tower portion may include a tubular tower, and the lower tower portion may include a lattice tower. To improve ergonomics and work safety and make it possible to obtain a structural design with optimized forces, the lower tower portion may include a central tube positioned centrally within the lattice tower. Further, the central tube may have a smaller diameter, at least in certain portions, than at least part of the tubular tower of the upper tower portion. The tower may also include a transition piece between the upper tower portion and the lower tower portion. The transition piece may join the tubular tower of the upper tower portion and the central tube of the lower tower portion.

Abstract: A transition body may be disposed between upper and lower tower sections of a tower for a wind power station. Some example transition bodies may include a substantially annular upper connection flange for connection to the upper tower section, and at least three substantially annular lower connection flanges, each of which may connect to a corner leg of the lower tower section. The transition body may have several segments disposed about a central tower axis, with the number of segments corresponding to the number of corner legs. Upper peripheral sections of the segments may form an annular circumferential connection envelope that supports the upper connection flange. Lower sections of the segments may form annular circumferential segment envelopes that support the lower connection flanges. The segments may be disposed at acute angles and converge into one another at or near the upper connection flange.

Abstract: A hollow profile that has improved handling ability and a good ability to be attached to other components and a method for producing the hollow profile. In the method for producing a hollow profile having at least two half shell sheets, a first half shell sheet is applied to a first side of web plate along two axially running joint edges of the first half shell sheet, a second half shell sheet is applied to a second side of the web plate along two axially running joint edges of the second half shell sheet, and then the joint edges of the half shell sheets are subsequently joined to the web plate. An edge section of the web plate projects beyond the contact area of at least one joint edge so that at least one flange is formed for attaching other components. The hollow profile formed has two half shell sheets and a web plate disposed between the half shell sheets, which can form part of a vehicle body.

Abstract: A vehicle body may include a crossmember and a longitudinal member. The vehicle body helps ensure improved load absorption in collision events with small overlap between the crossmember and another vehicle or object. The deformation capabilities of the vehicle body in collision events involving a full surface area of the crossmember are not substantially impaired. Form-fitting members that comprise connection partners may be provided for the longitudinal member, wherein the form-fitting members ensure that a load path of collision energy is introduced into the longitudinal member selectively in the event of a collision with small overlap. A form-fitting member may form a form-fitting connection in a direction of the longitudinal member in the event of a collision.

Abstract: A method may be used to produce a seamless pressure vessel for storing hydrogen. So that such a pressure vessel withstands both very high internal pressures and pressure fluctuations and (low) temperatures and temperature fluctuations and also high mechanical loading, is resistant to embrittlement, and is comparatively lightweight, a round or tubular workpiece may be formed that includes a multi-layer composite sheet metal material comprising a carrier layer made of steel material and a shielding layer resistant to hydrogen embrittlement by a flow forming process into a seamless hollow body, which serves as a semifinished product to be further processed into the seamless pressure vessel. The shielding layer may represent an inner layer of the pressure vessel. During the flow forming of the workpiece, the shielding layer may be retained as a whole-area, uninterrupted layer.

Abstract: Longitudinal members for motor vehicles may generally include a supporting element that is releasably connectable to an energy absorption mechanism. The supporting element may typically include a joining zone that can be used to secure the supporting element to one or more chassis or drive components of the motor vehicle. The supporting element and the energy absorption mechanism may be comprised of fiber-reinforced plastic. More specifically, the supporting element may be comprised of a plurality of length portions having different fiber orientations. For example, a first length portion may have fibers oriented substantially parallel to a horizontal longitudinal plane about which the supporting element is positioned, whereas a second length portion between the first length portion and the energy absorption mechanism may have intersecting fibers oriented oblique to the horizontal longitudinal plane.

Abstract: The invention relates to a tower of a wind power plant, having a lower part in the form of a lattice tower or truss tower with at least two corner bars, and an upper part in the form of a cross-sectionally substantially round tubular tower, wherein each particular corner bar is put together from a plurality of steel tube profiles that are connected together in the longitudinal direction. In order to achieve good transportability and easier assembly of the components of such a tower, the invention proposes a modular tower concept. According to the invention, each particular corner bar is in this case put together from at least three steel tube profiles which are provided with perforated flanges for holding screws, wherein the corner bars are connected together by cross struts and/or tension struts attached to the flanges, and wherein the steel tube profiles of each particular corner bar are spirally welded steel tube profiles.

Abstract: A strut linkage for a steel construction may involve a tower of a wind turbine and/or a corner post of a lattice tower. In order that high forces can be removed via the strut linkage without causing increased stress concentrations, excessive use of material, and/or an excessive structural outlay, a plate element is provided for arranging between, preferably load-bearing, steel construction components. At least one connection element, which may be connected to the plate element, may be utilized to fasten at least one strut and/or guy of the steel construction to the steel construction components via the plate element.

Abstract: The present disclosure relates to a protective apparatus that can be positioned along an underside of a motor vehicle and, in many cases, near a front or rear region of the motor vehicle. The protective apparatus may include an underbody made from fiber-reinforced plastic for protecting assemblies or components arranged above it against damage as a consequence of stone chipping or ground contact. Further, the underbody may have three-dimensionally structured regions for increasing its rigidity, and the underbody may be designed to absorb chassis and/or crash loads and may include integrated holders for movably attaching chassis links.

Abstract: A multilayer composite material may include at least one nonmetallic layer, which in some examples comprises plastic, and at least one metallic layer comprising a first metallic shape memory material. One problem with specifying multilayer composite materials and methods for producing multilayer composite materials relative to reshaping properties can be overcome by providing at least one second metallic layer and disposing the at least two metallic layers on opposite sides of the nonmetallic layer. Further disclosed are methods for producing multilayer composite materials, as well as semi-finished products produced from such multilayer composite materials. Still further disclosed are methods for producing components using such semi-finished products.

Abstract: The object of the present invention is a layered semi-finished product having a layer sequence containing at least one layer of an unconsolidated fabric of reinforcing fibers. At reduced pressure, this layer sequence is arranged between a top and a bottom film connected to each other along their periphery in a pressure-retaining manner. In advantageous modifications of the layered semi-finished product according to the invention, the preforming of the semi-finished, as well as the inclusion of metallic inserts or other components into said semi-finished is intended. Furthermore, a method for producing the layered semi-finished product according to the invention is described.

Abstract: The invention relates to a support device for a curved mirror having support elements and a curved mirror. The objective of providing a support device for a curved mirror which is constructed in a particularly simple manner and which enables particularly low production costs is achieved by a support device in that the support device has at least one bent metal carrier profile-member, the bent carrier profile-member having in the longitudinal direction an at least similar curvature to the curved mirror and being substantially mirror-symmetrical in the longitudinal direction.

Abstract: Methods for producing a rotationally symmetrical, hollow metallic workpiece may involve rotating a casting mould about a rotation axis and introducing a melt into the casting mould. The melt may be thrown towards an inner contour of the casting mould by centrifugal forces, and hollow bodies may be added to the melt. Furthermore, a device for producing a rotationally symmetrical, hollow metallic workpiece may include a casting mould that is rotatable about a rotation axis, a feeder device for introducing a melt into the casting mould such that the melt is thrown towards an inner contour of the casting mould by the effect of a centrifugal force, and a metering device for adding hollow bodies to the melt.

Abstract: A method for the individualized adaptation of the shape of components includes providing a basic material for producing the components. Next at least one unifying production method is selected. The components are then produced with a geometrically identical base shape by the unifying production method. Then at least one individualizing production method is selected. Then the shape of the components is adapted to at least two different final shapes by the individualizing production method that is different from the unifying production method. The final shape of each component differs from its basic shape.

Abstract: A connector is disclosed for providing a positive and/or a non-positive connection between at least two connecting partners. The connector or connecting means has at least one first region which engages with the first connecting partner by way of a positive and/or a non-positive connection, and at least one second region is provided which engages with the at least second connecting partner by way of a positive and/or a non-positive connection. The connecting means provides a positive and/or non-positive connection between at least two connecting partners in a simple and inexpensive manner and which meets high safety requirements. The second region of the connecting means has a region which is formed from an at least partially flat material made of an Fe alloy with shape memory characteristics and which, when activated, ensures the positive and/or non-positive connection with the second connecting partner by way of a change in shape.

Abstract: The invention concerns a vehicle body, in particular for electric motor vehicles, having a left-hand and a right-hand front region and at least one first longitudinal member extending in one of the front regions in the longitudinal direction, wherein in the front region at least one second longitudinal member is provided, which is arranged outside the horizontal plane of the first longitudinal member and the direction of extension of which extends angularly to the direction of extension of the first longitudinal member at least in horizontal projection. The invention also concerns the use of such a vehicle body for producing a motor vehicle without a combustion engine, in particular an electric motor vehicle.

Abstract: A vehicle body may include a crossmember and a longitudinal member. The vehicle body helps ensure improved load absorption in collision events with small overlap between the crossmember and another vehicle or object. The deformation capabilities of the vehicle body in collision events involving a full surface area of the crossmember are not substantially impaired. Form-fitting members that comprise connection partners may be provided for the longitudinal member, wherein the form-fitting members ensure that a load path of collision energy is introduced into the longitudinal member selectively in the event of a collision with small overlap. A form-fitting member may form a form-fitting connection in a direction of the longitudinal member in the event of a collision.

Abstract: A reflector for helio-thermal systems may include a metallic carrier plate and a reflective coating that is applied to the carrier plate and is constructed from at least one metallic reflective layer and at least one protective layer applied to the reflective layer. Such reflectors have high reflective capabilities, are robust in relation to mechanical stress, and can be manufactured cost effectively. Such reflectors are also lightweight and dimensionally stable due to the fact that the carrier plate may be formed from a sandwich plate having at least one nonmetallic intermediate layer disposed between an upper and lower metallic cover plate. The upper cover plate may have a smoothed surface to which the reflective layer can be applied. The smoothed surface prior to the reflective layer being applied may have an arithmetic mean surface parameter Ra of less than 0.03 ?m. Methods for manufacturing such reflectors are also disclosed.

Abstract: A transition body may be disposed between upper and lower tower sections of a tower for a wind power station. Some example transition bodies may include a substantially annular upper connection flange for connection to the upper tower section, and at least three substantially annular lower connection flanges, each of which may connect to a corner leg of the lower tower section. The transition body may have several segments disposed about a central tower axis, with the number of segments corresponding to the number of corner legs. Upper peripheral sections of the segments may form an annular circumferential connection envelope that supports the upper connection flange. Lower sections of the segments may form annular circumferential segment envelopes that support the lower connection flanges. The segments may be disposed at acute angles and converge into one another at or near the upper connection flange.

Abstract: Semi-finished products in the form of sheet bars or strips can undergo deep drawing and can produce three-dimensionally shaped hybrid components of metal/plastic composites. One example semi-finished product may comprise at least one metal sheet in the form of a sheet bar or a strip and at least one layer of thermoplastic applied in a material-bonding manner on the metal sheet. A side of the metal sheet on which the layer of plastic is applied may have a surface treated to improve the adherence of the layer of plastic. The layer of plastic of the semi-finished product may be formed as a coupling layer for material-bonding, adhesive-free attachment of at least one structural body produced from plastic. According to one example method, a plastic structural body may be molded in a material-bonding manner onto the layer of plastic formed as the coupling layer by injection molding or press-forming.