Abstract: A power supply system for a railway vehicle is provided including a converter able to receive information from a transmission system between a power supply unit and air-conditioning units and to deduce from this information the demand for electrical power from each air-conditioning unit, this demand indicating the electrical power required by that air-conditioning unit to cool and/or dehumidify the air within a car in which it is installed, and the first electrical converter being equipped with a module for adjusting the amplitude and/or frequency of the three-phase voltage in a power supply network in response to the demands transmitted by each air-conditioning unit.

Abstract: A device is provided for detecting inadequate electric braking and commutation to a safety brake is intended for a vehicle with electric traction, in particular a rail vehicle, which is provided with a traction chain, the system including a first electric, non-safety brake which is integrated in the traction chain and a second safety brake. The device includes a member for commutation from the first brake to the second brake, a device for monitoring the braking performance of the first brake using data for measurement of the intensity of a current, a decision device for commutating from the first brake to the second brake when a predetermined threshold value is exceeded and a device for transmitting a commutation command to the at least one commutation member.

Abstract: This device is an electric safety brake which is intended for an electric traction vehicle, in particular a rail vehicle comprising: a rotating electromechanical machine (10) having permanent magnets having at least one coil with electric terminals (13, 14, 15), a resistive braking torque production device (22), an electromechanical commutator (20) which is capable of reliably connecting the electric terminals (13, 14, 15) of the machine (10) to the braking torque production device (22).

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: 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: A device (1) for preventing and detecting the falling of an object or of a person on a line (2) of a railway station having a platform (3). The device (1) includes at least one detection device (7) having at least one emitter (8) of a beam (10) and a sensor (9) able to detect this beam (10), and a detection calculator (13) for processing the signals obtained from the sensors (9) and able to communicate safely with at least one signaling system (16a, 16b, 16c) of the station, barriers (4) able to be arranged on the platform (3) to prevent falls, the barriers (4) delimiting between them door opening areas (5), a detection device (7) being arranged in each of them to detect a fall on the line (2).

Abstract: The ground-level power supply circuit includes two running ways each having a power supply track which includes a series of conducting track segments separated by insulated joints, and a power supply line. The power supply line is common to the two power supply tracks, and the power supply circuit includes switching devices for independently and selectively connecting the power supply track segments to the common power supply line.

Abstract: A railway vehicle including an access platform which extends between two lateral faces, at least one of the faces having a lateral access door. The access platform is adjacent a passenger area and includes a plate which is movable vertically so as to allow passengers with reduced mobility to access/leave the access platform from/to a railway platform of a given height when the movable plate is placed in a given embarkation/disembarkation position. Also included is a moving floor allowing persons with reduced mobility to move between said passenger area and said movable plate whatever the embarkation/disembarkation position thereof. The moving floor is located and always remains in an interior of the vehicle along with the passenger area and the movable plate between which the moving floor is located.

Abstract: A device for verifying the integrity of an item of data displayed on a display device controlled by a video controller, the video controller being connected to the display device by an appropriate connection and transmitting to it a video signal including an input interface which allows the device to be connected at a branch of the connection between the video controller and the display device, a reconstruction device which is capable, from the derived video signal, of reconstructing an image corresponding to the image displayed on the display device; an analysis device which is capable of extracting an item of reconstructed data from the reconstructed image, a comparison device which is capable of comparing the reconstructed data with a reference value of the item of data to be displayed and an alarm means which is capable of activating a malfunction alarm in accordance with the result at the output of the comparison device.

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: A torque-transmitting device including a casing inside which a gearwheel is mounted such that it can move by means of at least one rolling bearing housed in a side wall of the casing, the bottom of the casing being shaped to form an oil reserve in which part of the wheel is intended to be immersed, the casing additionally including an oil recuperator wiper arranged in the side wall housing the rolling bearing, above the latter. The oil recuperator wiper includes removable means of attachment to the casing, these means of attachment being accessible from outside the casing.

Abstract: The invention relates to an articulated coupling between a first car (3) and a second car of a vehicle, especially a railway vehicle, having at least two cars, said articulated coupling including a first element (33) capable of being connected to said first car (3) and a second element (35) capable of being connected to said second car, a device for moving said second element (35) in translation relative to said first element (33) in the event of an impact, and an energy absorber capable of being arranged between said first (3) and second (19) cars. The energy absorber is arranged between said first (33) and second (35) elements, and in the first element (33) is designed to allow persons to pass between said first car (3) and said second car.

Abstract: The present invention relates to a power semiconductor device comprising a switching power semiconductor element, and a free wheeling diode in anti-parallel connection to the switching power semiconductor element. The power semiconductor is characterized in that a reverse electrode of the switching power semiconductor element and a reverse electrode of the free wheeling diode are bonded and mounted on a circuit pattern formed on the main surface of the first substrate, and that a circuit pattern, which is so formed on the main surface of the second substrate as to oppose a surface electrode of the switching power semiconductor element and a surface electrode of the free wheeling diode, is connected to the surface electrodes of the switching power semiconductor element and the free wheeling diode through connective conductors to be soldered, respectively.

Abstract: A bogie includes two pairs of wheels (2), the wheels (2) of one pair being connected to one another by a shaft to form an axle (4), the axles (4) being connected to one another by a chassis (6) having at least two side members (10) resting on axle boxes (14, 14?) of each axle (4). The boxes (14, 14?) are arranged between the wheels (2) of the axle (4), and a motor (24) fixed to the chassis (6) extends between the wheels (2) of the axle (4) and drives the axle (4) in rotation by way of a coupling (42) and a reducing gear (28). One of the axle boxes (14) accommodates the reducing gear (28) of the motor (24).

Abstract: A bogie includes two pairs of wheels (2), the wheels (2) of one pair being connected to one another by a shaft to form an axle (4), the axles (4) being connected to one another by two half-chasses (8) each having two side members (10) connected to one another by a cross-member (12). The side members (10) rest on one of said axles (4), the cross-members (10) of the half-chassis (8) being articulated by an articulation device (18) so as to permit rotation of one half-chassis (8) relative to the other about a substantially longitudinal axis (A). Each side member (10) of a half-chassis (8) is connected to a side member (10) of the other half-chassis (8) by a connector (20) mounted in an articulated manner about substantially transverse axes on the side members (10), the connector (20) extending at least partially in a horizontal plane offset in terms of height relative to the horizontal plane passing through the articulation device (18).

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: An oil cooling system, which may be employed for transformers feeding traction electric motors and for oil in a high viscosity condition, includes a first heat exchanger between a heat generating source to cooling oil that is connected by delivery and return ducts to a second heat exchanger cooling the oil by transmitting the heat absorbed at the first heat exchanger to an environment having a lower temperature than the cooling oil. The oil cooling system also includes devices flowing the cooling oil from the first to the second heat exchanger and vice versa, and devices monitoring oil flow in the circuit, for example by indicating operating conditions of the cooling system and/or by performing safety operations when the heat generating source becomes overheated.

Abstract: This deadbeat control method for regulating an output voltage Uc or an output current Il of a low-pass RLC filter includes: calculation (92) of a current setting ?uc for the average intensity ?u of a DC current Iu flowing through a first output point of the filter between instants ti and ti+1, this setting ?uc being established from discretized state equations of the filter in such a way that the voltage Uc or the line current Il is equal to a predetermined setting of voltage Ucc or of line current Ilc at the instant ti+1, control (100) of an electric converter in order to produce a current Iu flowing through the filter, the average intensity ?u of which between the instants ti and ti+1 is equal to the current setting ?uc.

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: 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.