Abstract: A leading edge of an aircraft part, at least including a base layer, a functional layer applied on the base layer, and a final layer applied on the functional layer, wherein the functional layer includes in each case at least one first layer formed from carbon nanotubes, and at least one second layer formed from titanium particles and or from titanium nitride particles, wherein the carbon nanotubes are provided to electrically conductively connect the titanium particles and/or titanium nitride particles of the at least one second layer, and also to a process for forming such a leading edge.

Abstract: An electrode device with a support structure, an electroactive structure and a heat transfer structure. The support structure carries the electroactive structure and the heat transfer structure. The electroactive structure stores and releases charge carriers. The heat conductivity of the heat transfer structure is higher than the heat conductivity of any of the support structure or the electroactive structure. The electroactive structure is arranged at the support structure. The heat transfer structure is arranged at the electroactive structure. The heat transfer structure is oriented to guide heat away from a surface of the electroactive structure to prevent thermal tensions in its vicinity while providing diffusivity of the charge carriers to the surface.

Abstract: A flight control surface for an aircraft. The flight control surface has a skin with an upper surface and lower surface and an internal cavity and, a strut within the internal cavity, the strut extending diagonally between the upper surface and the lower surface of the skin. The strut includes lithiated fibers which elongate in response to an electric current to change a camber of the flight control surface. Also a method for changing such a flight control surface and an aircraft with such a flight control surface.

Abstract: A method for friction stir welding along a butt joint weld line (40). A welding device (70) includes a probe assembly (90) including at least a first and second probe device (100a, 100b). A first and second part (31a, 31b) to be joined along the weld line (40) are provided, wherein the parts are each formed as a laminate (1; 1?) including at least a first layer (2a, 2b) formed with a first material and a second layer (5a, 5b) formed with a second material. The first and second materials have different material properties. The method friction stir welds of the parts using the welding device, wherein simultaneously the first probe device acts on the first layers and the second probe device acts on the second layers.

Abstract: An outer skin of an aircraft fuselage or aircraft fuselage section formed from a fiber reinforced plastic, in particular carbon fiber reinforced plastics in a layered configuration, including at least two layers having electrically conductive fibers, in particular carbon fibers, placed with alternating fiber orientations within the layers and embedded in a polymer matrix material, and a coating consisting of or including magnetically active particles configured to induce a change in physical properties of the coating when exposed to a magnetic field. A method for monitoring the structural integrity of the outer skin of an aircraft fuselage or fuselage section and an aircraft having a fuselage or fuselage section provided with such an outer skin are disclosed.

Abstract: A belt deflection apparatus for a safety belt device of a transportation vehicle includes a main element connectable to a belt lock of the safety belt device; and a belt contact element, which is relative to the main element and has a contact face for the belt of the safety belt device, the main element includes two guide portions, which are arranged on opposite sides of the belt contact element, for guiding the belt contact element.

Abstract: A method for bonding two fiber composite components with each other to form a fiber composite structure includes integrating conductive fibers underneath a bonding surface of at least one of the two fiber composite components, each conductive fiber comprising a carbon fiber coated with an electrically insulating coating, the conductive fibers running along the bonding surface and protruding at least at their ends from the respective fiber composite component; arranging the two fiber composite components against each other at their respective bonding surfaces; passing an electric current through the conductive fibers by electrically contacting the conductive fibers at their protruding ends so that the respective fiber composite component is heated at the bonding surface to a curing temperature; and joining the two fiber composite components with each other at their bonding surfaces via secondary bonding, co-bonding and/or co-curing at the curing temperature, thereby forming the fiber composite structure.

Abstract: A window for an aircraft, the window including a first transparent layer, and a first plurality of light detectors arranged around a circumference of the first transparent layer to measure the intensity of light refracted upon entering and exiting the first transparent layer. An aircraft and a method for determining the point at which a laser beam impacts a window of the aircraft are disclosed.

Abstract: A welding device (70) includes a probe assembly (90) including at least a first and second probe device (100a, 100b). A first and second part (31a, 31b) to be joined along the weld line (40) are provided, wherein the parts are each formed as a laminate (1; 1?) including at least a first layer (2a, 2b) formed with a first material and a second layer (5a, 5b) formed with a second material. The first and second materials have different material properties. The method friction stir welds of the parts using the welding device, wherein simultaneously the first probe device acts on the first layers and the second probe device acts on the second layers.

Abstract: Leakage detection for pressurized fuel tanks. To provide facilitated leakage detection, a leakage detection device for pressurized fuel tanks for storing a pressurized fuel includes a fuel-sensing tracer and a light-wave conducting component. The fuel sensing tracer is configured to alter its optical properties in the presence of a predetermined fuel. The light-wave conducting component is in optical contact with the fuel sensing tracer. Light travelling within the light-wave conducting component is modifiable by altered optical properties of the fuel sensing tracer such that modified light is indicative of the presence of fuel at the location of the fuel sensing tracer.

Abstract: An indicator apparatus for guiding interior aircraft occupants has a mounting device fastenable to a wall portion of the interior and having an indicator conveying an item of visual information to occupants. An indicator can be or is operated electrically, and the indicator can be or is connected to a power supply for operation. To create an indicator apparatus which helps improve orientation of cabin passengers, can be produced, installed and serviced easily, and which can be operated in a fail-safe manner in an emergency situation of the aircraft, the indicator has an at least one-piece layer, on which circuitry necessary for operation is provided in an integrated fashion, and the power supply is formed by a composite structure battery built up layer by layer and can be or is connected to the layer. A method for producing an indicator apparatus of this kind is disclosed.

Abstract: A cryogenic storage tank including a first metallic end piece having a first structured connection area on its outer surface, a second metallic end piece having a second structured connection area on its outer surface, a hollow body extending between the first structured connection area and the second structured area. The hollow body is formed of a fiber reinforced polymer-based composite, a first metallic clamp having a third structured connection area and a second metallic clamp having a fourth structured connection area. The hollow body is arranged between and in intimate contact with the first structured connection area of the first metallic end piece and with the third structured connection area of the first metallic clamp and is arranged between and in intimate contact with the second structured connection area of the second metallic end piece and with the fourth structured connection area of the second metallic clamp.

Abstract: Methods for fastening two fiber composite parts to each other with a fastener that includes electroactive polymer material. The parts have an opening within an inner circumferential surface. Fibers protrude from the inner circumferential surface into the opening and interlock with chains of micrograins of the electroactive polymer material. The fastener may switch between an activated state and a deactivated state and in the deactivated state, the fastener engages the exposed fibers.

Abstract: A lightweight structure for a vehicle or aircraft includes a longitudinal member with a base bridge, having a first collective conductor and a transversal member with a central bridge and transversal bridge with a first connection conductor extending on a first surface of the transversal bridge and on a second surface of the transversal bridge oriented opposite the first surface, and a second connection conductor extending separately from the first connection conductor. The transversal member is connected to the base bridge at the first end section, so the first connection conductor contacts the first collective conductor of the base bridge. The lightweight structure includes a carbon fiber structural battery (CFSB) connected with the central bridge of the transversal member, a first collector of the CFSB electrically connected to the first or second connection conductor and a second collector of the CFSB electrically connected to the other connection conductor.

Abstract: In some aspects, the disclosure relates to compositions and methods comprising ActRII polypeptides to treat, prevent, or reduce the progression rate and/or severity of pulmonary arterial hypertension, particularly treating, preventing or reducing the progression rate and/or severity of one or more pulmonary arterial hypertension associated complications.

Abstract: A storage tank for liquified gas, in particular for liquid hydrogen, including a vessel having a vessel wall formed from a fiber metal laminate including metal layers formed with an aluminum alloy and one or more synthetic layers with reinforcing fibers embedded in a thermoplastic matrix. Further, an aircraft or spacecraft including such a storage tank as well as a hydrogen-based propulsion system configured to be supplied with hydrogen at least from the storage tank is disclosed. Further, fiber metal laminates are disclosed.

Abstract: A bipolar plate for a fuel cell for generation of electrical power has a bipolar plate body having a first surface. The bipolar plate body has at least one gas flow channel on the first surface, the gas flow channel defining a first gas flow channel side wall and an opposite second gas flow channel side wall, and the gas flow channel running in a first direction to expose the electrode to the reactant. The bipolar plate also has at least one electrical conductor to run at least partly parallel to the first direction within the bipolar plate body behind the first gas flow channel side wall and/or the second gas flow channel side wall, such that, when a voltage is applied to the electrical conductor, the electrical conductor forms an electromagnetic field, the electromagnetic field to accelerate the reactant at least partly in the direction of the electrode.

Abstract: A bipolar plate for a proton exchange membrane fuel cell includes a laminate of carbon fiber reinforced plastic (CFRP) with a first outer ply. The CFRP includes a resin and carbon fibers. The first outer ply is arranged at a first lateral surface of the laminate, wherein the laminate includes a first plurality of carbon nanotubes (CNTs). The first outer ply includes a first groove, wherein the first groove is configured to define a first gas diffusion channel. At least some of the first plurality of CNTs extend through the first outer ply in a direction transversely to the first lateral surface of the laminate.

Abstract: In some aspects, the disclosure relates to compositions and methods comprising ActRII polypeptides to treat, prevent, or reduce the progression rate and/or severity of pulmonary arterial hypertension, particularly treating, preventing or reducing the progression rate and/or severity of one or more pulmonary arterial hypertension associated complications.

Abstract: In order to improve liquid hydrogen storage on aircraft, a liquid hydrogen tank is integrated into the fuselage of the aircraft. At least one portion of the tank wall is formed by specially adapted tank skin panels and/or a pressure bulkhead. The parts forming the tank wall are strengthened to contain a tank pressure of about 3 bar.