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: 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: 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: 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 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: 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.

Abstract: The present invention relates to a seat (20), in particular for a vehicle, comprising a first sensor (32) arranged in order to generate a first electrical signal upon a user seating themselves on a seat (20) and upon the vacating of the seat (20) by the user. The seat (20) also comprises a second sensor (34) that is capable of generating a second electrical signal in a substantially continuous or repeated manner when the user is seated on the seat (20).

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: A system controls a level crossing of a railway track installation. The railway track installation includes at least one track. The system includes at least two magnetometers associated with the at least one track and placed at corners of a crossing area between the at least one track and a road. The system also includes a level crossing control unit configured for receiving data from the magnetometers. Each magnetometer is arranged to detect a respective magnetic field vector of the earth's magnetic field and to send data representative of the magnetic field vector to the control unit. The control unit is configured to elaborate the data to detect changes in the magnetic field vectors due to the presence of a train in the crossing area and to control the level crossing as a function of the detected changes.

Abstract: System for measuring motor bearings consumption of railway vehicles, comprising: a phonic wheel, arranged to be fixed to a shaft of a rotor, having a profile including an alternation of teeth and holes; a sensor, arranged to measure a punctual air-gap between the teeth of the phonic wheel and said sensor during rotation of the shaft, said sensor generating a basic sinusoidal signal function of said profile, wherein the basic sinusoidal signal is superimposed to a modulating wave, representative of a radial motion of the shaft, the basic signal and the modulating wave forming a complete signal; characterized in that the sensor further comprises: a control unit arranged to measure a maximum and a minimum amplitude value of the complete signal, said maximum and minimum amplitude values representing the maximum and minimum air-gap between the phonic wheel and the sensor, and for calculating an air-gap swing value; memory means arranged to store said air-gap swing value; wherein said sensor is arranged to send to

Abstract: An insulating track segment for a ground power supply system includes a body made of an electric current insulating material. The insulating track segment constitutes a portion of an insulating track for forming a continuous sliding surface for a pad of a vehicle powered by the ground power supply system.

Abstract: The self-ventilated motor (10) comprises a casing (12) having an air inlet opening (18) and an air outlet opening (20) and delimiting an air passage between the air inlet opening (18) and the air outlet opening (20), drive means (13) comprising a shaft (22) housed in the casing (12), a ventilation propeller (24) connected to the shaft (22) upon rotation and housed in the air passage, and a noise reduction device (26). The noise reduction device (26) comprises a first noise reduction member (28), attached to the casing (12) at the air inlet opening (18), a second noise reduction member (30) arranged on the ventilation propeller (24), and a third noise reduction member (32) fixed to the casing (12) at the air outlet opening (20).

Abstract: The dining car (10) includes first and second side structures laid out facing each other, and a first lower floor (16), the dining car comprising a first consumption area (Z1), a second preparation area (Z2), and a third technical area (Z3). The first side face includes first supporting portions intended to support a second upper floor (20), and the first (Z1), second (Z2) and third (Z3) areas are all made on the first lower floor (16).

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.

Abstract: A train detection system for a railway track defines a first lateral side and a second lateral side opposite the first lateral side. Two cameras are arranged along the railway track spaced apart from each other. Each camera is placed on either the first lateral side or the second lateral side. The system includes at least one passive target. Each of the passive targets is placed within the field of view of at least one of the cameras and on the opposite lateral side of the railway track with respect to the at least one of the cameras in whose field of view the respective passive target is placed. The system also includes at least one controller adapted to recognise the passive target in the images provided by at least one of the cameras to the controller to determine whether a train is located on the railway track.

Abstract: The invention relates to a power switching device having at least one transistor of the SiC or GaN MOSFET type able to be traveled by a main current. The power switching device has at least one measuring module configured to indirectly measure the main current of the transistor from the electromagnetic field produced by the transistor and at least one protection circuit configured to detect a short-circuit based on the sign of the temporal drift of the main current.