Abstract: Embodiments of the invention relate to a stringer (108) adapted to transport fluid in an aircraft wing (100). For example, the stringer may be adapted to provide venting to one or more fuel tanks (111) in the aircraft wing, or may be adapted to provide fuel to the one or more fuel tanks. To perform this function, the stringer comprises a duct member (120) providing a duct and a structural member (121) providing an attachment surface for attachment of the stringer to a wing panel (112). Typically, the stringer is formed from a composite material such as carbon fibre reinforced plastic. A method of manufacturing the stringer is also disclosed.

Abstract: A device for bridging a cable harness between two aircraft structure elements of an aircraft includes an elongated connecting rod having a plurality of radial snap-in holes and configured to bridge a space between the two aircraft structure elements and affix to at least one of the two aircraft structure elements. The device also includes a cable guiding element having at least one receiving section for receiving the cable harness and at least one attachment section circumferentially surrounding the connecting rod, the attachment section having a resiliently held radially directed locking pin, wherein the locking pin corresponds to one of the plurality of the radial snap-in holes so as to form a clip connection and a positive locking engagement between the at least one attachment section and the connecting rod.

Abstract: The present invention relates to a tester, its use and a method for testing signal lines of a flight control system for a trimmable horizontal stabilizer (THS) motor of an aircraft. The tester comprises at least one test-relay (52, 54) to be connected with a relay socket of the flight control system, when the signal lines of the flight control system are to be tested, and at least one indicator (60, 70, 80, 90) being electrically connected with the at least one test-relay (52, 54) for indicating whether a voltage being applied to the test-relay (52, 54) is equal to or larger than a predetermined voltage. The method according to the invention comprises the steps of connecting at least one test-relay (52, 54) of a tester (1), in place of the original relay, with the relay socket of the flight control system, applying a voltage to the at least one test-relay (52, 54) and determining whether a voltage being applied to the at least one test-relay (52, 54) is equal to or larger than a predetermined voltage.

Abstract: An installation for detecting and displaying the failures of the functional systems of an aircraft is described. The installation can include both a general alarm system (4) connected to said functional systems (2) and to the auxiliary alarm detection means (5) originated from said functional systems, and a complementary alarm system (6), connected to said functional systems (2), independently from the general system (4), and able to indicate a breakdown not detected by the general system on the instrument panel of the cockpit.

Abstract: Aircraft fuselage frame in composite material with stabilising ribs which, in at least a first sector (31), comprises a frame (9) with an omega-shaped cross-section (11) formed by a top element (23), two webs (25, 25?), two feet (27, 27?) which includes at least one internal rib (41) formed by a top element (43) joined to the top element (23) of the frame (9), a web (45), two flanges (49, 49?) joined to the webs (25, 25?) of the frame (9) and a foot (47) aligned with the feet (27, 27?) of the frame (9). The invention also relates to a manufacturing procedure for the first sector (31) of the frame with stabilised web (10) comprising steps for: a) providing a frame (9) and at least one internal rib (41) with the configurations indicated; b) joining at least said internal rib (41) to the frame (9).

Abstract: A cable management device accommodates bundles of cables in an aircraft. The cable management device includes a star shaped cable management element and a retaining clamp. The star-shaped cable management element includes a plurality of outer-radial recesses disposed in an outer radius of the star-shaped cable management element that are spaced apart from each other. Each outer-radial recess is configured to accommodate a cable inserted therein. The retaining clamp is disposed around an outer circumference of the star-shaped cable management element so as to encompass the star-shaped cable management element and close the outer radial recesses. The retaining clamp includes an attachment portion configured to affix the cable management element to a stationary supporting structure.

Abstract: A display- and control element panel for controlling cabin functions in an aircraft, comprising a bi-stable display element and a control elements wherein the bi-stable display element and the control element are arranged so as to be essentially congruent, wherein the bi-stable display element is adapted to reproduce information at least in one sub-region, and wherein an event is triggerable by activating the control element.

Abstract: An aircraft cockpit that includes an information display device with a screen having a display surface and a rear surface opposite the display surface, and a cable harness connected to the screen. The rear surface includes a mechanism for retaining the cable harness substantially wound against the rear surface. The information display device is mobile within the cockpit.

Abstract: An engine inlet flap for mounting on the housing of an air inlet or air inlet duct of an engine of an aircraft, having a first end and a second end arranged in opposition thereto at a distance therefrom in the longitudinal direction of the inlet flap, where the longitudinal direction in the given installation is aligned against the flow direction of the air flowing into the engine; and the inlet flap includes an inlet flap base body with a connector device for a jointed connector for jointed connection of the inlet flap base body to the housing of the air inlet or air inlet duct, with a rotational axis running along the second end, an inlet flap extension piece structurally integrated with the inlet flap base body, with a first and a second lateral piece, which extends from the inlet flap base body on the two opposed lateral edges of the inlet flap running in the longitudinal direction with a number of transverse struts or longitudinal struts, arranged in the leading region of the engine inlet flap.

Abstract: A device for holding luggage in a passenger cabin of an aircraft is arranged above a seat row in a passenger cabin of an aircraft or a vehicle and fastened to a structure which is fixed to the aircraft. The luggage rack includes an outer housing which is fixed in position and into which a separate inner housing is fit in a positive-locking manner. The inner housing is arranged relative to the outer housing so that the inner housing can move between two end positions about a moving pivot point close to the center of gravity in a force-operated manner. In the closed end position, the luggage rack is visibly integrated into a cabin lining of the passenger cabin.

Abstract: A method for determining the thrust of at least one engine, which is held on a supporting structure of a vehicle, includes the steps of acquiring the elongation of at least one structural element onto which the thrust of the at least one engine acts, by means of at least one strain gage; calculating the force causing the elongation in the at least one structural element, taking into account the materials characteristics of the structural element; and determining the thrust of the at least one engine as an effective force component in the direction of thrust of the vehicle. It is thus not necessary to carry out an estimate of the thrust on the basis of other physical variables such as shaft speeds, pressure or exhaust gas temperature of engines.

Abstract: The subject of the invention is an aircraft fuselage frame element (101, 102, 103) characterized in that it comprises a portion of cross member (1a, 101a, 102a) and a section of frame (1b, 101b, 102b) brought together into a single part; an assembly of aircraft fuselage frame and cross members that comprises a frame element of the invention, for which the frame element (1) connects an upper frame (5), a floor cross member (3) and a lower frame (4), and comprises a segment (1c) that replaces a floor strut; an assembly of aircraft fuselage and cross members for which the portion of cross member of the frame element (101, 102) forms a cargo cross member of the aircraft or forms a cross member for mounting the luggage bins.

Abstract: To save weight and to enhance safety, a hydrogen tank for supplying an engine with hydrogen is attached externally to an aircraft.

Abstract: The invention aims to produce an instrumentation making it possible to measure the loadings which pass through mechanical joins between two mechanical structures, so as to best evaluate the dimensions and masses without impairing their mechanical properties of a secure transfer of load. To this end, the invention proposes introducing into the zones of transit of the loadings an instrumented component of the form that favours the measurement of shear and its installation. In one embodiment, a zone of transit of loadings consists of an instrumentalized hollow shaft which takes the form of a cylinder (1) able to be introduced into collinear openings (30) in the fittings (20, 25, 26). It comprises a longitudinal housing (10) into which is introduced an insert (2) composed of a central prop (21) in tight contact with the internal wall (1i) of the shaft (1) and connected, on each side, to a flyweight (31, 32) also in tight contact, by way of multiple tabs (41 to 44) away from contact with said internal wall (1i).

Abstract: A secure corset is applied in particular to the immobilization in the maximum opening position of an aircraft landing gear cage hatch. The corset has two half-shells that are able to enclose the piston of the actuator having an axis coincident with the common longitudinal axis of the half-shells once they are closed around the piston. Locking pins are able to hold the half-shells around the actuator. The corset also has a casing secured to at least one of the half-shells and equipped with a hooking unit that is able to be coupled to a fixed point on the structure. A structure for varying the distance between the casing and the hooking unit are able to move the hooking unit away from or towards the corset along the common longitudinal axis of the half-shells.

Abstract: The present invention describes an outer fuel access tank cover (FTAC) of an aircraft, a wing comprising such outer FTAC of an aircraft and an aircraft. The invention belongs to the field of “designing auxiliary pieces in the wing of aircrafts to control the risk of gases from an explosion occurred in the FTAC entering the fuel tank”.

Abstract: An aircraft structural assembly includes an area element which has a core and an outer layer. A first surface of the area element is convexly curved, at least in certain sections, relative to an imaginary central area of the area element extending through the core of the area element. By contrast, a second surface of the area element located opposite the first surface is oriented, at least in certain sections, parallel to the imaginary central area of the area element extending through the core of the area element. The area element is configured in the form of a floor panel of a floor system. The first or the second surface of the area element is designed to form a walkable floor surface of the floor system in the state of the aircraft structural assembly when mounted in an aircraft.

Abstract: A sensor device for an oxygen module mountable on board an aircraft includes an electrical conducting element, a defining device for defining at least one measurement section, assigned to the oxygen module, on the electrical conducting element, and an evaluating unit for determining an electrical resistance present along the at least one measurement section, the evaluating unit further being configured to ascertain, based on the determined electrical resistance, whether the oxygen module is present. An aircraft has at least one oxygen module mounted on board the aircraft and at least one sensor device of the above type.

Abstract: A fuselage segment for an aircraft fuselage includes a wall with a closed cross section, a first cabin floor, a second cabin floor, and a cargo hold floor. The first cabin floor, the second cabin floor, and the cargo hold floor are vertically spaced apart from each other and connected to the wall. A first passenger region is arranged above the first cabin floor, a second passenger region is arranged above the second cabin floor, and a cargo region is arranged above the cargo hold floor. The cargo region is dimensioned in such a manner that for at least four passenger seats a maximum of 1 m3 of cargo hold volume is provided. In this manner an existing aircraft fuselage can be designed in a demand-oriented manner so that it can accommodate two or more passenger regions.

Abstract: An energy supply network, especially for an aircraft or spacecraft, including a first coupling device, the first coupling device being configured to couple the energy supply network to an external energy source, a first high voltage direct current, HVDC, segment, the first HVDC segment being coupled to the first coupling device and a second HVDC segment, the second HVDC segment being coupled to the first coupling device. Also provided is a corresponding method and an aircraft or spacecraft incorporating such an energy supply network.