Abstract: This assembly, which includes a ground level power supply system of the type using conduction, including conductive tracks arranged on a roadway, and an electric vehicle, capturing electric energy from said tracks it moves on the roadway, is characterized in that the power supply system includes a ground level antenna, configured so as to have a constant radiation chart along a longitudinal axis of the roadway and emitting a positioning signal, and in that the electric vehicle includes an on board antenna and an on board module, connected to the on board antenna and capable of determining a lateral position of a center of the on board antenna relative to the longitudinal axis from the positioning signal captured by the on board antenna.

Abstract: The disclosed device equips a connection unit including a connector, on the cable side of the recharging station, and a socket, on the electric vehicle side. It includes an active part mounted on an element from among the connector and the socket, and a passive part mounted on the other element, the active part including an actuator and a plurality of rods forming plungers capable of being translated by the actuator to bear on the passive part of the decoupling device so as to generate a force in order to separate the connector from the socket.

Abstract: A high speed train power unit comprising: carbody that comprises: a roof; a floor; a driver's cab at a front end of the carbody; and a technical compartment that comprises: a low voltage zone that comprises an air conditioning unit designed to condition the driver's cab, wherein the air conditioning unit is on the roof, a traction zone that comprises a rheostatic brake on the roof, and a technical zone, wherein the low voltage zone, the traction zone, and the technical zone of the technical compartment are respectively located next to each other along a longitudinal axis of the power unit; at least two bogies mounted under the floor of the carbody; and a main transformer located under the carbody between the bogies.

Abstract: A noise-absorbing device for a railway vehicle wheel includes: at least one strip extending radially from a connecting end capable of being fastened to the periphery of the wheel, to a free end; and at least one damping mass fastened on a face of the free end of the strip, away from the connecting end. The strip includes at least two metal or composite layers and at least one layer of viscoelastic material gripped between the two or composite metal layers.

Abstract: The USB interface comprises an electronic member comprising at least one USB jack, and connector elements able to connect each USB jack to cabling, and a support case, configured to be fastened on the handrail of the urban public transport vehicle, and including a housing for the electronic member.

Abstract: A health status assessment method and system for a transport vehicle automatic or semi-automatic access device is disclosed. The health status assessment system has at least one leaf actuated by a kinematic chain including at least one motor having an associated angular position or rotation speed encoder and at least one switch. The health status assessment method includes steps for analyzing at least one actuating cycle of the kinematic chain between a first and a second position wherein, during one said cycle, information is acquired representative of the electrical energy consumed by the motor, or position or speed information provided by said encoder or binary information indicating positions of switches. The method further includes dividing said cycle into a plurality of functional segments based on said acquired information, calculating at least one descriptor value, and then establishing a health status diagnosis of the health status assessment system.

Abstract: The present invention relates to a method for determining a state of a bearing of a three phase electric machine, the electric machine having a rotor, which is supported by the bearing, the electric machine being connected to a three phase inverter for supplying the electric machine with electric power, the three phase inverter being controlled to apply a pulse width modulation with a predefined scheme to create three phase currents, the method comprises: —determining a first phase current provided to the electric machine; —determining a second phase current provided to the electric machine, the second phase current being different to the first phase current; —determining the power spectral density of the park's vector based on the first phase current and the second phase current; —determining an amplitude of the power at a predefined frequency of the power spectral density, wherein the predefined frequency depends on the rotational speed of the rotor and the scheme of the pulse width modulation; —comparing t

Abstract: The railway vehicle bogie, comprising a body and two axles, the body comprising two beams extending in a longitudinal direction, each axle comprising a pair of wheels each provided with a tire and a connecting device extending between said wheels, each axle comprising an axle box extending in a transverse direction substantially perpendicular to the longitudinal direction and at least partially surrounding the connecting device. The beams of the body are connected to each other by the axles, the axle box of each axle being rigidly fixed to each of said beams.

Abstract: The railway vehicle comprises at least one end car, each arranged at a respective end of the railway vehicle, and, for each end car, a first car adjacent to this end car, and at least one second car, one of which is adjacent to the first car. Each second car comprises a second structural body. Each first car comprises a first structural body substantially identical to the second structural body of each second car, and a structural extension part attached on the first structural body and intended to be connected to the adjacent end car.

Abstract: A table for vehicle includes a tray, at least one extendible leaf mounted movably on the tray between a deployed position and a withdrawn position. The extendible leaf is mounted translatably on the tray between the deployed position and the withdrawn position. The table further includes at least one rotatable leaf mounted rotatably on the extendible leaf between an idle position and a deployed position, and means for coupling movements of the second and rotatable leafs, which are configured to rotate the rotatable leaf from its idle position to its deployed position when the extendible leaf is translated from its deployed position to its withdrawn position.

Abstract: A table top is for a vehicle compartment accommodating passengers, in particular a rail vehicle. The table top includes a stationary part connected to the vehicle and a moving tray located across from a passenger chair or seat. The tray is movable along an axis of rotation parallel to a plane of the table top. The table top includes a chassis on which the tray is mounted. The chassis is translatable relative to the stationary part along an axis parallel to the plane of the tray and perpendicular to the axis of rotation. In a deployed configuration, the tray is deployed jointly with the stationary part, with the chassis maximally separated from the stationary part. In a folded configuration, the tray is pivoted along its axis of rotation in an inclined position relative to the stationary part, with the chassis minimally separated from the stationary part.

Abstract: This system includes a ground ATC and an on board ATC, which is switched from an “active” mode toward a “standby” mode and vice versa by a wake-up unit. In the “standby” mode, only the following components remain powered: odometry device; a main computer; a radio communication device between the on board ATC and the ground ATC; the wake-up unit. The main computer is programmed so as, in the “standby” mode, to verify that the movement of the train measured by the odometry device from the switching from the “active” mode to the “standby” mode is zero and, in the affirmative, to send the ground ATC an instantaneous position of the train using the radio communication device.

Abstract: This method comprises the steps of generating an elementary signature for each electronic board from stored configuration data, transmission to each electronic board of the elementary signature, calculation by each electronic board of the signature variable as a function of the configuration variables, and checking by each electronic board of the validity of the stored configuration variables using the received elementary signature and the signature variable. The method comprises the implementation step for each electronic board for which the configuration variables are considered invalid, and comprises the retrieval of the configuration data specific to this board, and the modification of the configuration variables starting from the configuration data retrieved.

Abstract: The invention relates to a shoe (10) on an electrical power supply track for an electric railway vehicle, the shoe (10) comprising: a power supply flange (12) movable between a retracted position and a deployed position; an actuator (11) able to move the flange between the retracted and deployed positions; and a mechanical system (13) connecting the flange to the actuator; characterized in that the actuator (11): has a movement speed such that it is able to move the flange (12) between its retracted and deployed positions in a time period shorter than or equal to 1 second, and preferably shorter than or equal to 0.5 seconds; and has a number of operating cycles before failure greater than or equal to 2,500,000.

Abstract: The bogie for a railway vehicle comprises a chassis; an axle mounted rotatably relative to the chassis around a transverse rotation axis, at least one wheel being mounted on each of the transverse end parts of said axle, a braking system comprising three brake discs mounted around the axle, arranged in the space defined between the wheels, and three brake forks acting on a brake disc, comprising a pair of arms extending between first and second ends, the second ends each bearing a brake pad forming a pair of brake pads, each of the pairs of brake pads being positioned around part of a brake disc, and two successive pairs of brake pads extending on either side of the rotation axis. The first ends of the arms all extend on a same side of the rotation axis.

Abstract: The electric motor includes a frame defining an inner volume (VI) wherein is accommodated a rotor, a stator and a fan, the frame comprising a first aperture placing the inner volume (VI) of the frame in fluidic communication with the outside of the frame, a second aperture placing the internal volume (VI) of the frame in fluidic communication with the outside of the frame along a radial axis (R) substantially perpendicular to an axis of rotation (X) of the rotor. The fan being positioned in proximity to the second aperture and being configured for generating a gas fluid flow (F), at least one acoustic attenuation device is accommodated in the second aperture so as to partly close the second aperture.

Abstract: A driver cabin for an urban railway vehicle, the driver cabin extending in a longitudinal driving direction and including: a cabin chassis including at least one main shock-absorbing area having a longitudinal extend defined between a front plane oriented transversally to the longitudinal driving direction and a rear plane oriented transversally to the longitudinal driving direction, the main shock-absorbing area being able to deform in case of a shock between an initial state and a shock-absorbed state, so that in the shock-absorbed state the longitudinal extend of the main shock-absorbing area is reduced about a predefined compression distance; an electrical equipment compartment storing at least one stiff electrical element carrying electronic components. The electrical equipment compartment is located inside the main shock-absorbing area.

Abstract: Antenna (1) for railway vehicles comprising: a plurality of photonic band gaps PGB cells (2), placed adjacent each other and made of a layer of low dielectric properties material placed on a metal ground plane (4), wherein each photonic band gap cell (2) form a reflector (6) of the antenna (1); a plurality of first metallic bars (8), placed on top of the PBG cells (2); a plurality of second metallic bars (10), each embedded, at least partially, in the thickness of the low dielectric properties material; wherein the second metallic bars (10) are each roughly perpendicular to the respective reflector (6).

Abstract: A magnetically clampable rail shunt (1) comprising two magnetic clamps (10), each clamp having a magnetic device for attaching the clamp to one of two parallel railway rails (R1, R2) of a railway track by magnetic force, and an electrical conductor (20) electrically connecting the two magnetic clamps (10) for shunting the two parallel railway rails. The rail shunt (1) is characterised by a variable electrical resistor assembly (30) for adjusting the electrical resistance of the rail shunt (1), said variable electrical resistor assembly (30) being connected in series between the two magnetic clamps (10) via said electrical conductor (20). Preferred application to testing of track circuits.

Abstract: This motor includes a frame defining an inner space (VI) in which a rotor, a stator and a fan are housed, the frame comprising an a first opening placing the inner space (VI) of the frame in fluid communication with the outside of the frame, a second opening placing the inner space (VI) of the frame in fluid communication with the outside of the frame along a radial axis (R) substantially perpendicular to a rotation axis (X) of the rotor. The fan being arranged near the second opening and being configured to create a flow (F) of a gaseous fluid, a first acoustic attenuation device is housed in the second opening so as to partially close the second opening.