Abstract: The invention relates to a railway vehicle including a body defining a wall in which an access passage is embodied, at least one closing sliding door, a sealing joint carried by the door and applicable to the wall when said door in a closed position. Said wall includes a panel provided with a generally cylindrical envelop and a seat which is protruded with respect to said panel and defines a bearing surface for supporting the joint only when the door is in the closed position, wherein said bearing surface of a supporting element extends along a profile substantially identical to the joint profile and said joint profile extends transversely with respect to the door displacement direction.

Abstract: This method maintains a direct voltage at the input of a DC/AC voltage converter in order to maintain an asynchronous motor in a magnetised state, the input of the converter being connected to a DC supply bus of an electric vehicle, and comprises, in a free wheel mode during which the vehicle coasts and the bus is disconnected from a catenary: a) a step (76) for magnetising the motor, then b) a step (78) for operating the motor as a generator of alternating voltage, then c) a step (72) for stopping the converter when the direct voltage of the bus reaches an upper threshold, then d) a step (74) for maintaining the converter in the idle state as long as the direct voltage of the bus remains higher than a minimum direct magnetisation voltage of the asynchronous motor.

Abstract: A method of inserting a preceding element and then a following element in the ground, along a calculated path, in order to construct a work, the method including: a step of determining an absolute positioning error of a preceding element relative to the nominal position at which the preceding element ought to have been inserted; and a step of automatically guiding the inserter arm towards a target position at which a following element is to be inserted as a function of the absolute positioning error determined for the preceding element in such a manner as to reduce the positioning error of the following element relative to the preceding element.

Abstract: A rake for use in trams and suburban vehicles comprising modules and single-articulation devices for connecting the modules, having an axis of rotation, or dual-articulation connection devices having two axes of rotation which are spaced-apart along the longitudinal line of the rake is disclosed. The rake comprises at least two sub-assemblies of modules, the modules of which are mutually connected by means of single-articulation connection devices, each sub-assembly being connected to the or each adjacent sub-assembly by means of a dual-articulation connection device. The rake comprises at least one sub-assembly of modules which comprises two carrier modules which are provided with supporting and guiding axles, and a module which has no axles and which is suspended between the carrier modules.

Abstract: This railcar is of the type comprising: carriages including two driving carriages and intermediate carriages; carrier bogies, motor bogies comprising at least one motor axle; traction drives which are capable of supplying electrical energy to the motors of the motor bogies. According to one feature of the invention, all the carriages have passenger compartments, the railcar is completely articulated, the traction drives are arranged in three carriages and a motor bogie is arranged below at least one end of each carriage which receives a traction drive.

Abstract: The vehicle adapted to move along a rail comprises a body and a levitation system, the body resting in operation on the levitation system in a main bearing direction via suspension means between the body and the levitation system to allow relative movement between the body and the levitation system in the main bearing direction. The suspension means comprise a pneumatic diaphragm suspension including a first connector connected to the levitation system, a second connector fastened to the body, and a deformable diaphragm defining a sealed cavity receiving a compressible fluid between the first and second connectors. Application to magnetic levitation rail vehicles.

Abstract: A device for detecting the presence of an object in a detection zone is provided. The device includes a transmission line, a generator which is connected to an input of the transmission line and which is able to generate an input signal, and a receiver which is connected to an output of the transmission line and which is able to measure an output signal, the transmission line being able to radiate a radiated signal in the detection zone when the generator generates the input signal, the detection device further including analysis means which are able to detect the presence of an object in the detection zone in accordance with the output signal.

Abstract: The rail track tie including: a rigid block presenting a bottom face, and a top face for receiving at least one longitudinal rail; a cover for receiving the rigid block and in the form of a rigid shell including a bottom and a peripheral rim around the bottom; and a resilient soleplate disposed between the bottom face of the rigid block and the bottom of the cover. The resilient soleplate has dynamic stiffness k2 lying in the range of 6 kN/mm to 10 kN/mm, and preferably in the range of 6 kN/mm to 8 kN/mm.

Abstract: A device is provided for manually maneuvering a set of switch points, the device includes a housing which is intended to apply a force at a location of a set of rail switch points in order to move the set of switch points relative to the housing from a first switch points position to a second switch points position. The device also includes a guided member for controlling the set of switch points, which can be moved relative to the housing, a guiding member, which can also be moved relative to the housing, a transmission mechanism for driving the guided member in one direction when the guiding member moves in a first direction. The guiding member is capable of being moved in a second direction, opposed to the first direction, while the guided member remains fixed relative to the housing.

Abstract: The regulated-control device (10) for precision-stopping of a vehicle (4) with automatic control comprises: an observed kinematic input (44, 46) capable of receiving at least an observed kinematic variable for the vehicle (4), a predetermined setpoint input (42), capable of receiving an unregulated-control setpoint signal, a regulated-control output (40), which is dependent on the observed kinematic input (44, 46) and the setpoint input (42), according to a predetermined characteristic transfer function comprising at least an internal parameter (K, ?). The device comprises an adaptation control unit (60) capable of modifying at least an internal parameter (K, ?) as a function of the observed kinematic input (44, 46) and the setpoint input (42).

Abstract: A device for inserting elements into the ground in order to carry out works includes a positioning mechanism. The positioning mechanism includes an upper panel which is fixed to the chassis of a vehicle for transporting the insertion device, a movable plate to which an insertion arm is fixed, and at least six jacks which can be controlled so as to allow movement of the movable plate relative to the upper panel with six degrees of freedom, each jack being directly fixed, at one side, to the upper panel and, at the other side, to the movable plate of using connections which have three degrees of freedom in terms of rotation.

Abstract: This device is of the type comprising a rack, a chassis that can be inserted into the rack, and at least one electronic board that can be inserted into the chassis. According to one aspect of the invention, the chassis is arranged so as to enable the insertion of the or each board when the chassis has been inserted into the rack beforehand, and output connectors of the rack and of the or each board, and board connectors of the chassis and of the or each board are arranged so as to connect up respectively when the or each board is inserted into the chassis which has been inserted into the rack beforehand.

Abstract: Apparatus for measuring the electrical energy supplied to a rail traction unit by a high voltage line (1), the apparatus comprising measurement means (5, 26) for measuring the current drawn, and measurement means (12, 27) for measuring the voltage of the power supply, said measurement means themselves possessing a low voltage power supply (23, 24) necessary to enable them to operate, the apparatus being characterized in that the low voltage electrical power supply is taken from light energy converted (22) into electrical energy.

Abstract: A lateral face of a rail vehicle body is provided including a framework which is formed by an assembly of a plurality of adjacent panels and an outer skin which is adhesively-bonded to the framework and which extends over at least two adjacent panels, the assembly of panels and the skin forming a laminated assembly, each panel including ribs which are arranged so as to ensure the vertical rigidity and the horizontal rigidity of the lateral face. The outer skin extends over the entire length of the lateral face.

Abstract: This structural assembly provided is of the type intended to be fixed to a longitudinal end of a rail car body including a chassis, a roof and lateral faces forming a tubular cell, in order to articulate the body to a body of another adjacent car and to transfer the load of the body to a body support bogie that is common to that other car. A lower cross-member may have a central portion and two lateral portions, the central portion being provided in order to carry a member for articulating the body to a body of another car, and each lateral portion being suitable for being supported on suspension devices for the body on a bogie.