Abstract: This cooling module (14A) comprises: an assembly of one or more Peltier cells comprising, on the inside, an internal heat transmission face and, on the outside, an external heat transmission face; an internal heat sink (46A) and an external heat sink (48A), which are in thermal contact, respectively, with the internal heat transmission face and the external heat transmission face; and at least one internal fan (50A) and at least one external fan (54A), which are respectively suitable to circulate an internal air flow through the internal heat sink (46A) and an external air flow through the external heat sink (48A).

Abstract: A DC traction sub-station for supplying at least one vehicle, preferentially a railway vehicle, with a direct current, including a first terminal connecting the DC traction sub-station to an alternating current electrical power grid, a second terminal connecting the DC traction sub-station to a power supply conductor in order to provide driving current to the at least one vehicle or to receive regenerative braking current from the at least one vehicle, a third terminal connected to an energy storage device, one or more first current supply chains electrically connecting the first terminal to the second terminal, wherein the first current supply chain includes a first AC/DC converter, and one or more second current supply chains electrically connecting the first terminal to the third terminal, wherein the second current supply chain includes a second AC/DC converter, and wherein a DC/DC converter electrically connects the second terminal to the third terminal.

Abstract: A method for locating a railway vehicle includes: measuring an acoustic signature of a railway vehicle passing over a railway switch for switching between a first railway track and a second railway track diverging from the first railway track, using a distributed acoustic sensing apparatus including an optical fiber sensor placed along the railway switch; analyzing the measured acoustic signature, using an electronic processing unit, by identifying, in the measured acoustic signature, vibration patterns representative of track geometry and/or track curvature; and determining which of the first railway track or the second railway track is occupied by the railway vehicle, using the electronic processing unit, based on the identified vibration patterns.

Abstract: A system for developing a railway signalization program including a programming module in text language for the programming, by at least one user, of at least one computer operator, and a memory for the storage of the or each programmed computer operator using the programming module, the system also including a visual environment for the presentation, in the form of a functional graphic element, of at least one computer operator stored in the memory, the visual environment being suitable for allowing the construction, by at least one user, of a visual representation of the railway signalization program from the or each functional graphic element, the system further including an implementation system able to implement the railway signalization program based on the visual representation.

Abstract: A method for determining an output voltage of a transistor, the transistor comprising an input electrode, a first output electrode and a second output electrode, the potential of the first output electrode being higher than the potential of the second output electrode the output voltage being the difference in potential between the first output electrode and the second output electrode. The method includes a step for measuring the evolution over time of a control voltage of the transistor, the control voltage being the difference in potential between the input electrode and the second output electrode, and determining the output voltage from the measured control voltage.

Abstract: This method for manufacturing a railway track support comprising a plurality of prefabricated elements (28) comprises the following successive steps: providing, in a production zone (16) for prefabricated elements (28) located near an installation zone (14), a movable insertion machine (52) configured to arrange at least one insert (34) in a fresh concrete block, the production zone being separate from the installation zone; pouring and shaping fresh concrete in order to form individual fresh concrete blocks having predetermined dimensions; arranging at least one insert in each fresh concrete block using the movable insertion machine (52); drying the fresh concrete blocks to obtain the prefabricated elements (28).

Abstract: The railway vehicle (10) includes a plurality of cars (12, 20) articulated to one another, the plurality of cars including: a single first key car (12), having a first architecture, a plurality of second cars (20), having similar second architectures different from the first architecture. The first key car (12) has no dining area.

Abstract: A method including measuring a distance between two successive supporting poles delimiting a section to be realized, inputting data into a computer programmed to output a layout plan indicating a position and a length for each dropper to install, preparing each dropper with a dedicated machine, moving a first platform along the section, which is equipped with a position unit and a marking device to set a mark on the contact wire at each position where a dropper is to installed, moving a second platform along the section, the second platform being loaded with the droppers that have been prepared, and fixing manually each dropper between the messenger wire and the contact wire in registration with a corresponding mark set on the contact wire.

Abstract: A power supply system comprising a track, which defines a trajectory, wherein the track comprises a track segment terminating at a segment end in a forward direction of the trajectory, and a hood, which is arranged in the extension of the track segment along the trajectory in the forward direction beyond the segment end; while a stringer, which supports the track segment, extends along the trajectory and terminates with a cut end in the forward direction. The system further comprises a reinforcing piece, which is applied against the cut end, in order to extend the stringer in the forward direction, wherein the reinforcing piece is essentially made of plastic and supports the hood.

Abstract: A clamp for a wire of an overhead line comprising a main body has a groove for hosting the wire, a first and a second tapered region located in respective ends of the groove, and a first and a second spring placed in respective holes on opposite sides of the groove. The first and second springs are located in a central portion of the groove and are arranged for pushing respective wedges into the tapered regions in opposite directions. The wedges are arranged for tightening the wire by blocking between the wire itself and a wall of the respective first and second tapered region.

Abstract: Disclosed is a method for controlling access to a secure zone of an electronic equipment from a computer file, the equipment including a memory including a reference access right to the electronic equipment. The method includes: —acquiring a reference authenticator via the computer file; acquiring an authenticator from the user; authenticating the user by comparing the authenticator from the user with the reference authenticator; acquiring an access right via the computer file when, at the end of the authentication, the authenticator from the user is compliant with the reference authenticator; and opening an access session to the at least one corresponding secure zone, when the acquired access right corresponds to the reference access right in the memory.

Abstract: This sealing device for a railway, the railway including a housing extending between a side face of a rail and a side wall of a slot reserved in the ground for housing said rail, is characterized in that it is a sealing device inserted in the housing and fixed in the housing by a suitable putty, and in that it is a resiliently deformable profile, to be able to be inserted under stress in the housing and to be pressed against the side face of the rail and the side wall of the slot.

Abstract: The double-regulated turbine comprises a spherical hub, adapted to rotate around a first rotation axis, and blades, which are each able to be swivelled relative to the hub around a second rotation axis, transversal to the first rotation axis, by respective coupling flanges that are mounted fixedly on the spherical hub and that include each an attachment surface for a corresponding blade. The attachment surface of the coupling flanges includes a flat portion.

Abstract: An end underframe comprises a headstock assembly and a bolster assembly and is made out of a single material which consists of cold rolled austenitic stainless steel.

Abstract: Section insulator for an overhead contact line arranged for being placed between two isolated sections of said overhead contact line, said section insulator having an insulating element placed between two contact wires of two adjacent sections of an overhead line; two clamps respectively connected on one side to a respective contact wire and on the other side to a connecting plate arranged for being in turn connected to the insulating element, so that the tensile force due to the contact wires applies along the axis of the insulating bar; and supporting means directly connected to the insulating element through the connecting plates and arranged for supporting the section insulator to the overhead line.

Abstract: The present invention relates to an on-load tap changer control method for a power transformer in a power system. The power transformer has a primary side for a connection to a first grid in which electric power is generated, and a secondary side for connection to a second grid in which electrical power is consumed, the power transformer being equipped with an on-load tap changer. The method includes measuring the voltage and current at least on the primary side (u1, i1) or on the secondary side (u2 i2) of the power transformer, processing said measured voltages (u1; u2) and currents (i1; i2) in order to derive prospective reactive power at the output of the power transformer after prospective tap-change, comparing prospective reactive power to a predefined set-point, and—initiating tap-change of on-load tap changer if prospective reactive power is closer to said predefined set-point than actual reactive power.

Abstract: The present invention concerns an insulating joint for electrically insulating a pair of adjacent rail sections of a railway track, each rail section extending along a longitudinal axis and defining at least one connecting surface substantially perpendicular to the longitudinal axis and a plurality of lateral surfaces extending along the longitudinal axis. The insulating joint comprises a joint body having substantially the same cross section as the rail sections and defining two contacting surfaces, each contacting surface being intended to be in contact with the connecting surface of one of the rail sections. The joint body is made from an insulating material comprising a reinforcing structure made of metal or carbon fibers, the reinforcing structure being placed inside of the joint body with a distance from the contacting surfaces.

Abstract: A process for supervising an air conditioning system of a railway vehicle. The process comprising the following steps: a) after starting the air conditioning system, measuring physical properties relative to the refrigerant; b) from the physical properties measured during step a), calculating thermodynamic properties; c) from the thermodynamic properties calculated during step b), calculating the density, optionally averaged, of the refrigerant inside each component of the air conditioning system; d) using manufacturer data, which includes the dimensions of each component of the air conditioning system, calculating the passage volume of the refrigerant inside each component of the air conditioning system; e) using the values calculated in steps c) and d) to calculate the total mass of refrigerant contained inside the air conditioning system; and f) comparing the total mass of refrigerant calculated in step e) with the total mass of refrigerant originally contained inside the air conditioning system.

Abstract: This thermal conduction device intended to be installed between a first heat source part and a second heat dissipation part, comprises a male element comprising a protruding part relative to a base and a female element comprising an inner wall defining a housing for receiving the protruding part. The male element is configured to exert a radial force against the inner wall when the thermal conduction device is installed between the first heat source part and the second heat dissipation part so as to improve the thermal conduction between the male element and the female element.

Abstract: The present invention relates to a system for monitoring an electromechanical relay, wherein the electromechanical relay includes a relay coil for actuating at least one switch, the system comprising: at least one sensor adapted to measure an operating condition of the electromechanical relay, wherein the sensor is arranged adjacent or attached to the electromechanical relay; at least one controller communicatively connected to the at least one sensor and at least one memory, wherein the at least one controller is adapted to store the measured operating condition in the at least one memory; at least one transmitter, operatively connected to the controller, wherein the transmitter is adapted to transmit the stored measured operating condition to a remote device.