Abstract: The invention relates to an aircraft landing gear (2) comprising:—a leg (6) having a first leg portion (8) that can be pivotably connected to a load-bearing structure of the aircraft (1) in order for the landing gear (2) to be deployed and retracted, and a second leg portion (9) that is rotatable in relation to the first leg portion (8);—a wheel (13, 14) that is rotatable in relation to the second leg portion (9), and an electric motor (15, 16) that can rotate the wheel (13, 14) in relation to the second leg portion (9);—a transmission mechanism (17) designed to selectively transmit torque generated by the electric motor (15, 16) to the wheel (13, 14) in order to rotate the wheel in relation to the second leg portion (9) or to the second leg portion (9) in order to rotate the second leg portion (9) in relation to the first leg portion (8).

Abstract: The invention relates to an aircraft landing gear (2) comprising: —a leg (6) that can be pivotably connected to a load-bearing structure of the aircraft (1) in order for the landing gear (2) to be deployed and retracted; —a wheel (13, 14) that is rotatable in relation to the leg (6), and an electric motor (15, 16) that can rotate the wheel (13, 14) in relation to the leg (6); —a transmission mechanism (17) designed to selectively transmit torque generated by the electric motor (15, 16) to the wheel (13, 14) in order to rotate the wheel in relation to the leg (6) or to the leg (6) in order to rotate the leg (6) in relation to the load-bearing structure of the aircraft (1) in order to deploy or retract the landing gear (2).

Abstract: An electrically controlled switching device includes a support, a first contact coupled to the support, a second contact coupled to the support, an SMA element operably connected with the second contact, a sensor positioned on or adjacent to the SMA element, and a controller in communication with the sensor. The SMA element is configured to transform between a first shape and a different second shape responsive to an electrical pulse heating the SMA element to a transformation temperature. The sensor is configured to detect a detected temperature of the SMA element. The controller is configured to control the electrical pulse heating the SMA element. The controller receives signals from the sensor indicative of the detected temperature of the SMA element.

Abstract: An electrical connection device including a support and an electrically conductive terminal lug, wherein the support includes a first face, with channels projecting from a second face opposite from the first face and defining between them a housing; the terminal lug includes a base for placing in the housing and a shank fastened coaxially to the base, the base including a first face from which the shank extends and a second face opposite from the first face for coming to bear against the second face of the support; the terminal lug including a locking ring having the shank passing through its center and movable in rotation relative to the shank, the ring including ramps extending from the outer periphery of the ring, the ramps co-operating with the channels.

Abstract: A method for manufacturing a strip of impregnated anodized aluminum, for use in a coil of an electrotechnical component, said coil including an interstitial material providing dielectric cohesion and insulation functions, said interstitial material being suitable for cross-linking, in other words for forming, by chemical reactions between the components thereof when subjected to certain physical conditions, molecular structures being organized in a lattice, the method comprising: a step of applying the precursor mixture of said interstitial material to the anodized aluminum; at least one step of cross-linking the precursor mixture in order to form said interstitial material on the strip of aluminum; wherein the anodized aluminum has not been subjected to the sealing of the pores of the alumina formed by anodization prior to the application of the precursor mixture of said interstitial material.

Abstract: A method of characterizing a bundle (1) of electrical cables (2, 3, 4, . . . ), comprising taking into consideration for at least one surface temperature of the cables (Tsurface), firstly of at least one sum of heat fluxes (?1, ?2, . . . , ?n) calculated for each cable (2, 3, 4, . . . ) for the heating effect due to the electrical resistance of each cable passing a respective electric current (i1, i2, . . . , in), and secondly of a heat flux (?s) calculated for the heat given off by the bundle (1) into its environment in order to make the dimensioning of the cables (2, 3, 4, . . . ) compatible with their use.

Abstract: A brush for a starter-generator includes a first carbon block, a second carbon block, a terminal lug, and a plurality of brush leads. Each carbon block has an outboard edge and an inboard edge. Each carbon block includes a front carbon wafer and a rear carbon wafer. Front brush leads connect the terminal lug with the front carbon wafers of the respective carbon blocks adjacent the inboard edges of the respective carbon blocks. Rear brush leads connect the terminal lug with the rear carbon wafers of the respective carbon blocks adjacent the outboard edge of the respective carbon blocks.

Abstract: A current measuring device is protected against electrical surges in the event of the device being open circuit. The device includes a first current transformer, a first connection terminal having connected thereto a first terminal of the first current transformer, a second connection terminal having connected thereto a second terminal of the first current transformer, a protective resistance having a first terminal connected to the second connection terminal, and a load resistance connected between the first and second connection terminals across the terminals of which a voltage is measured from which the current flowing in a circuit passing through the first current transformer is determined. The device also includes a second current transformer connected to the terminals of the protective resistance, and current branch connection structure connected between the first connection terminal and a second terminal of the protective resistance.

Abstract: An electrical board for connecting two electrical harnesses to each other includes a module holder and at least one connector module to establish the connection between the two electrical harnesses, said connector module comprising a base engaged with the module holder, a perforated core extending the base and allowing connection of the two harnesses to each other via plugs. The module holder includes a fixed jaw.

Abstract: The invention relates to an assembly (1) comprising:—a harness (2) which comprises a plurality of electrical cables (3), and—a coil (4) that has a body on which said cables (3) are fixed, characterised in that the coil (4) comprises arms mounted on said body, at a first end, each arm having a second end on which one of said cables (3) is fixed, the second end being movable with respect to the body, independently of the second ends of the other arms, between a position for maximum absorption of overlength of cable (3), in which the second end is remote from the body, and a position for maximum creation of overlength of cable (3), in which the second end is closer to the body.

Abstract: A bearing assembly is provided with an improved mounting for a temperature sensor for monitoring a temperature of a race of the bearing. The assembly includes a temperature sensor assembly mounted to the race of the bearing and a thermal insulator arranged to thermally insulate the sensor from heat exchange with the surrounding environment and/or neighboring components to which the bearing or assembly is mounted, in order to improve accuracy, reliability and speed of response of the temperature sensor readings.

Abstract: The invention relates to a device for predicting faults in a harness formed by a plurality of cables gathered together, in particular electrical cables, comprising a protective sheath (10) intended to surround the harness, the sheath (10) comprising a plurality of braided elements (100), said braided elements (100) being braided together to form a tubular sheath, each braided element (100) comprising a plurality of longitudinal braiding strands (101) arranged to form a web, characterised in that the sheath (100) comprises at least one electrically conductive detection strand (102), said detection strand (102) being arranged with the braiding strands (101) of a braided element (100) so as to be incorporated into the web forming said braided element (100), the detection strand (102) being electrically insulated from the braiding strands (100) of said braided element (100).

Abstract: An emergency wind turbine system for an aircraft including an outer structure in which an opening is made includes an emergency wind turbine including: a mast; a turbine including a body mounted on the mast that rotates about an axis of rotation, and a single blade or two blades extending radially from the body between a blade root and a blade head; a locking device to lock rotation of the turbine body about the axis of rotation, when the emergency wind turbine moves between retracted and deployed positions, such that the blade root axis forms an acute locking angle with an orthogonal projection of the longitudinal axis of the mast over a plane substantially perpendicular to the axis of rotation of the turbine and in which the blade root axis extends, to reduce the volume swept by the turbine when it moves between the retracted and deployed positions.

Abstract: The invention relates to an electrical connection device (100) including a terminal block (10) and busbar (12) assembly, the terminal block (10) including a first connection point (6) for receiving the lug (24) of a first cable and a second connection point (7) for receiving the lug (20) of a second cable. The second connection point (7) is adjacent to and offset from the first connection point (6). The connection points (6, 7) are positioned such that, when the two cables are connected substantially parallel to the axis, the second cable or the lug (20) thereof prevents access to the first connection point (6). The connection points (6, 7) are preferably offset horizontally and vertically. Preferably, a control cable is connected to the first connection point (6) and a power cable is connected to the second connection point (7).

Abstract: A permanent magnet synchronous machine includes a permanent magnet rotor and a three-phase stator, the machine being associated with a control inverter for controlling the stator of the machine. A method of controlling the machine includes taking three simultaneous measurements by three respective Hall effect sensors arranged to have a central sensor and two lateral sensors, the two lateral sensors being placed at 120°/p mechanical relative to the central sensor about the rotation axis of the rotor, where p is the number of pairs of poles of the machine; determining the position of the rotor based on the three measurements; controlling the control inverter as a function of the determined position of the rotor; and prior to controlling the inverter, applying a time delay to the three measurement signals so that the control of the control inverter takes account of a variable desired lag angle.

Abstract: A magnetic core for a rotary transformer, the core including bars arranged along a longitudinal axis of the core and at least two cheeks that are axially spaced apart from each other and that extend radially from the bars in order to cooperate with the bars to define at least one annular groove for receiving a toroidal coil, each cheek being made up of a packet of circular magnetic laminations that are arranged radially, and each bar being made up of a plurality of stacks of magnetic laminations, the stacks of laminations forming the bars being arranged axially and being assembled to the packets of circular laminations while being angularly spaced apart from one another around the longitudinal axis of the core.

Abstract: An AC/DC converter includes an autotransformer having a delta-connected primary winding and two star-connected secondary windings, the two secondary windings being connected to a rectifier stage. The windings of the autotransformer are arranged in slots formed around inside teeth of a cylindrical support in the form of an electrical machine stator with a nested winding structure.

Abstract: A method and device for monitoring an electrical network, including: a mechanism detecting electrical signals and additional signals produced in the electrical network, the additional signals being of a different physical nature to the electrical signals; a mechanism for processing the electrical signals to define a first time reference representing a detection time of the electrical signals emitted upon a fault event arising in the electrical network; a mechanism processing the additional signals to define a second time reference representing a detection time of the additional signals emitted upon the fault event arising in the electrical network; and a processor spatially locating the fault event in the electrical network according to the first and second time references.

Abstract: A generator starter of a turbomachine, including an asynchronous electric machine configured so as to operate in motor mode during a starting phase of the turbomachine while being supplied by an electrical source, and so as to operate in generator mode after the starting phase of the turbomachine in order to supply an electrical load. An inverter is arranged between the electrical source and the asynchronous machine with at least two alternating current terminals coupled to the asynchronous machine, and a control unit for the inverter configured to supply the asynchronous machine with a starting current in motor mode and a magnetisation current in generator mode. The asynchronous machine includes at least one first stator winding connected to the alternating current terminals to be supplied with the starting current in motor mode and with the magnetisation current in generator mode, and at least one second stator winding connected to the electrical load in generator mode.

Abstract: The invention relates to an electrical conversion and distribution system for an aircraft, the system comprising at least one synchronous starter-generator (S/G1, S/G2) intended to be coupled to an engine (Engine1) of the aircraft, at least one conversion path comprising a plurality of power converters (CVn, CV?n) associated with switching means suitable for supplying at least one charge (CAC1, CAC2, CAC3, CAC4, P1, P2) from at least one source (S/G1, S/G2, AUX S/G1, AUX S/G2, GPU1, GPU2), and at least one distribution path suitable for supplying electrical charges (CT1n, SW1n, CT2n, SW2n).