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The value of the rolling torque is measured at aeach fra,e (11, 12,1i,1n) through which a metal product (b) passes, and the measurement is performed at the moment when said product reaches by the product remains in speed regulation and it acts as a controlling frame for all other frames situated torque equal to thei...

The invention relates to a double busbar electricity substation having two busbar sets(23,24),each of which is received between a central row(40) of metal columns (25)and a parallel side row(41,42)of metal columns (26,27). Each pair of adjacement metal columns (25)of the central row(40)supports a horizontal metal gi...

ABSTRACT Feed chain for a synchronous electric machine, electric traction system comprising such a chain, and control method for such a chain This feed chain (16) according to the invention having M feed outputs (31) for supplying a synchronous electric machine (14) with M phases, comprises: - a converter (22) fo...

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The spring-loaded mechanical control mechanism tor a circuit-breaker in a high-voltage or medium-voltage grid comprises a toothed wheel (2) turned by a spring (4) from a first angular position to a second angular position, and a cog wheel (3) co-operating with the toothed wheel to displace it from the second angular...

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The invention relates to an electrically driven vehicle (1), in particular a rail vehicle, including at least one electrical device (9) and an assembly (11) comprising: - a plurality of high-voltage electrical apparatuses (17) for powering or controlling the electrical device (9), and - an enclosure (15) that is n...

This method for determining the composition of a train (1) including a plurality of vehicles grouped in successive units (10A, 10B, 10C) connected to each other, the train including: - one safety management device (24A, 24B, 24C) per unit (10A, 10B, 10C), each device (24A, 24B, 24C) having two identifiers which a...

The invention relates to a contactor (10) comprising: - an insulating body (11) comprising: - at least a first fixed contact (20); - at least a second contact (22) which is fixed relative to the body (11), the contactor comprising at least one movable item of equipment (34) which can be moved relative to the fir...

The invention relates to a railway switch locking device comprising a fixed part intended to be attached to a stock rail and a mobile part which is mobile relative to said fixed part and intended to be fixed to the corresponding switch, said mobile part allowing the switch to be applied to the stock rail and locked ...

The invention relates to a railway switch locking device comprising a fixed part intended to be attached to a stock rail and a mobile part that is mobile relative to said fixed part and intended to be fixed to the corresponding switch, said mobile part enabling the switch to be applied to the stock rail and locked b...

The invention relates to a railway switch locking device comprising a fixed part intended to be attached to a stock rail and a mobile part which is mobile relative to said fixed part and intended to be fixed to the corresponding switch, said mobile part enabling the switch to be applied to the stock rail and locked ...

The invention relates to a railway switch locking device comprising a fixed part intended to be attached to a stock rail and a mobile part which is mobile relative to said fixed part and intended to be fixed to the corresponding switch, said mobile part enabling the switch to be applied to the stock rail and locked ...

The invention relates to a protection device providing thermal protection and protection against leakage electric currents, for a antifriction bearing (P) intended to be mounted on a shaft (A) of an electric motor. Said protection device comprises a ring (B) which is interposed between the shaft and the antifriction...

The invention is a method of cooling air in a vehicle using a cold storage unit (60) in the refrigeration cycle. The air conditioning system and its cold storage unit is adapted to work according to the operation of the vehicle. The method produces cold in excess to be stored in the cold storage unit (60), using th...

Switching device (D) disposed on an electrically powered vehicle, able to switch, by rectilinear displacement of a contact means (52) by means of a drive means (60), indiscriminately in the two directions, between a first state in which the said contact means (52) establishes an electrical connection between a first...

Oil cooling system, particularly for transformers feeding traction electric motors and for oil in a high viscosity condition, which system comprises a first heat exchanger from a heat generating source to the cooling oil, which is connected by at least a delivery duct and at least a return duct to a second heat exch...

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 t...

A method for the creation of a wall for a heat-insulated tank for the containment of a fluid, such as a liquefied gas, incorporated into the bearing structure (50) of a ship, with a more-or-less rectangular prefabricated baseplate (25) being assembled above a flexible sheet strip (35), with the assembly of the said ...

This device 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 (1), the system comprising a first electric, non-safety brake which is integrated in the traction chain (1) a...

This electric safety braking device which is intended for an electric  traction  vehicle  allows  the  force/speed characteristic of the vehicle to be improved and comprises a rorating electromechanical machine (10) wirh permanent magnets which has at least one coil with electric terminals (13, 14, 15), a rheostat...

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 (2....

A communication balise and an associated configuration device The invention relates to a balise for remotely communicating a signalling message to a communication device on board a vehicle, the balise comprising: - means for receiving a first signal transmitted by the onboard communication device carrying an inst...

The invention relates to a secure method of exchanging information messages sent successively from a sending platform to a receiving platform, characterized in that it includes: a) an initialization sequence in which an initialization message M0 containing information relating to a date ti for sending a firs...

The bogie comprises two pairs of wheels (2), the wheels (2) of one pair being connected to one another by a shaft to form an axle (4), said axles (4) being connected to one another by two half-chassis (8) each having two side members (10) connected to one another by a cross-member (12), said side members (10) restin...

An air-insulated high-voltage disconnector including a pivoting arm (1) which is adapted to pivot at one of its ends about a horizontal axis perpendicular to the axis ∆ of the arm and to turn about its axis ∆, the free end of the arm carrying a contact member referred to as the hammer (2) cooperating, in the closed ...

This front face (2) of an electronics card (1) designed to be inserted (f1) into a housing (4) through an opening (8) at least one of the edges of which opening is provided with a notched bar (9,10), is characterized in that portion of said front face(2) which is to be disposed in the vicinity of said bar (9,10) is...

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AN ELECTRIC SWITCH HAVING A COMPARTMENTALIZED METAL CASE FOR RECEVING DISCONNECTORS The metal-clad electric switch having gas insulation and a metalo case (1) comprises a case whose inside volume is subdivided into at least two compartments (1B, !C) separated by a leakproof partition (3). A first disconnetor...

The hybrid-type interrupter device for high or medium voltage comprises: a casing (12) filled with a dielectric gas; a vacuum interrupter (10) having a first arcing contact (1) which is fixed and a second arcing contact (2) which can be moved in translation in the axial direction of the casing; means provided t...

A pressurized gas circuit-breaker pole that can be assembled and disassembled without significant loss of gas includes a first enclosure or pole head including a first envelope including a first connecting flange including a circular orifice. The envelope contains a first mobile assembly terminating in a coupling me...

A system for automatic and guided transport of people, the system comprising: at least one running track having means for guiding transport modules; an electric power supply system comprising a sequence of power supply blocks (31 to 35); electric self-propelled transport modules (1, 2) travelling individua...

The bogie comprises two pairs of wheels (2), the wheels (2) of one pair being connected to one another by a shaft to form an axle (4), said 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), said boxes (14, 14") being arra...

The invention provides a "hybrid" high voltage multiphase distribution substation having one or more sets of busbars including at least one air-insulated set of busbars (10), the substation having feeders (A, B, C, D) for air-insulated lines (21, 22) placed in substantially parallel bays (11, 12) on either side of t...

ABSTRACT A device and a circuit for controlling a power electronics component, an associated driving method and an associated igniter The invention relates to a circuit (26) for controlling the opening and closing of a power electronics component (12). The circuit comprises an H-bridge comprising: - a first verti...

A switch device which comprises a first contact (1), that is designed to be electrically connected to a first conductor (101) of a power line and a second contact (2), that is designed to be electrically connected to a second conductor (102) of said line, the first or the second contact being mounted in a displaceab...

A system (209) for storing and distributing water the system comprising: - a water tank (230) having a fresh water inlet (232) a collected water inlet (234) and a main water outlet (236); - a fresh water conduit (242) connected to the fresh water inlet; and - a main drain (248) connected to the main water outl...

An insulating blast nozzle(5)for a circuit breaker, the circuit breaker having a first arcing contact(1)and a second arcing contact(3)that separate from each other when the circuit breaker is opened subsequent to prior separation of permanent contacts(2,4),said insulating blast nozzle(5)being secured to one of the p...

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This method consists, the railway network being subdivided into resources (1 to 5) whereof the state is driven by a ground controller (11), and each vehicle including an onboard controller (21) capable of communicating with the ground controller (11), of: planning, by a regulating unit (31), of a vehicle"s missi...

The invention concerns a method for controlling the operation of a positioning System (10) of a train, the System (10) comprising: - a toothed tone wheel (12), - three sensors (18, 20, 22) for detecting the presence of a tooth arranged spatially such that six possible and different positions of the wheel (12) ca...

A guide method for guiding a device (1) that is aiming at inserting elements (2) into the ground in order to make a structure, the method being characterized in that it comprises the following steps:• establishing topographical points (8) and determining the coordinates of these points (8) in an X, Y, ...

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ABSTRACTTRACTION SYSTEM IN VOLTAGE MODE INCLUDING POWER SUPPLYBUSES OF AN ELECTRIC TRACTION VEHICLEThe present invention relates to a traction system in voltage mode including power supply buses of an elec¬tric traction vehicle, the said power supply buses each including a 2F filter, charac...