Alstom Holdings

This cladding device (100), for a raildroad vehicle carbody, is configured to cover, inside a passenger compartment (V12) of the carbody, a junction between a sidewall and an upper wall of the carbody. A panel portion (105) of the cladding device includes a main panel (110), which is hinged to the upper wall, and a secondary panel (120), which is hinged to the side wall. When the cladding device (100) is in the use configuration, the main panel (110) is in a closed position, where the main panel (110) overlaps the secondary panel (120), so that a secondary edge (108B) of the secondary panel is hidden from the passenger compartment (V12). The cladding device (100) also comprises primary locking means (140, 142), which are configured, in a locked state, to prevent rotation of the main panel relative to the upper wall and which are in the locked state when the cladding device (100) is in the use configuration.

The invention relates to a brake pad assembly (12) comprising a main plate (20) and pad modules (22). Each pad module comprises a friction element (56) and a connection device (58).The connection device (58) comprises : a backing plate (68), fixed to the corresponding friction element ; a connecting element (71), inserted in an orifice (34) of the main plate (20) and in a connection opening (80) of the backing plate (68) ; and a spring washer (74), interposed between the backing plate (68) and the main plate.The connecting element (71) has a non-circular external section ; and the connection opening (80) of the backing plate (68) has a substantially complementary contour ; and the connection device also comprises a removable connecting organ (75).

The electrical power conversion system (16) comprises: - a conversion device (24); - a control device (30) configured for controlling the conversion device depending on a control voltage generated at a first output terminal (32A) of the control device; - a cooling device (40) comprising : - a fluidic circuit (42); - a solenoid valve (46) comprising : - a body (48) delimiting a fluidic passage (50); - a plunger (62); - an electrical coil (68) configured for moving the plunger depending on the control voltage at the input terminal (69); wherein: the first output terminal of the control device is electrically connected to a first input terminal (25A) of the conversion device via the electrical coil.

A fan assembly (10) for an electric motor (15) comprises a) a fan (80) comprising a fan housing (105) enclosing a plurality of fan blades (115) and a fan motor (110) ; b) a mounting support (85) extending along a transverse direction (Y) intended to be orthogonal to a main axis (X1) of a shaft (30) of the electric motor (15), the mounting support (85) comprising a support-fan interface (145) to be attached to an inner base (105B) of the fan housing (105), and a closure part (70) configured to be slidably received in a complementary cutout (65) formed in a flange (50, 55) of the motor; c) first fixation means (90A, 90B) for attaching the support-fan interface (145) to the inner base (105B) of the fan housing (105); and d) second removable fixation means (95A, 95B, 95C) for attaching the mounting support (85) to the flange (50, 55).

A roof assembly (30, 30', 30") for a railway vehicle comprising a roof member (32, 33), acroteria (32a, 32b; 32a', 32b', 32a", 32b") and connecting elements (34a, 34b; 34a', 34b'; 34a", 34b") arranged to support both the roof member (32, 33) and the acroteria (32a, 32b; 32a', 32b', 32a", 32b"), each connecting element (34a, 34b; 34a', 34b'; 34a", 34b") being a single component, the roof assembly (30, 30', 30") further comprising a base platform (38) and each connecting element (34a, 34b; 34a', 34b'; 34a", 34b") being arranged to be fixed to a respective supporting part (38a, 38a') which represents a side end portion of said base platform (38).

The invention relates to a power converter (11) comprising a power semiconductor switch (1) with insulated gate (13) for repeatedly switching on and off a power current that flows through the power semiconductor switch (1), a gate driver circuit (12; 12a) adapted to generate a gate charging current for charging the gate (13) and to generate a gate discharging current for discharging the gate (13) and a controller (20) adapted to control the gate driver circuit (12; 12a). The gate driver circuit (12; 12a) comprises a first and a second controllable semiconductor switch (23, 24) that are connected in series to each other to form a switch series connection and that are individually controllable by the controller (20). The gate driver circuit (12; 12a) comprises an electric energy source, wherein opposite poles of the electric energy source at a first and at a second voltage potential are connected to the switch series connection, wherein the first voltage potential is connected to a first end of the switch series connection and the second voltage potential is connected to a second end of the switch series connection that is opposite to the first end. The gate driver circuit (12; 12a) comprises an inductance (29), wherein an intermediate connection of the switch series connection between the first and second controllable semiconductor switch (23, 24) is connected to the gate (13) via the inductance (29). In order to perform a charging process of charging the gate (13), the controller (20) is adapted to repeatedly switch on and switch off each of the first and second controllable semiconductor switches (23, 24), thereby realizing a charging switching pattern and thereby generating a charging current flowing from the intermediate connection to the gate (13), wherein only one of the first and second controllable semiconductor switches (23, 24) may be on at each time during the charging process.

The invention relates to preparing the operation of a railway point (1) by a railway interlocking after installation or maintenance of the railway point (1) or of at least one part of the railway point. The railway point (1) comprises a point machine (2) that brings the railway point (1) from a first state into in which the railway point (1) connects a first set of track sections of a railway network to a second state in which the railway point (1) connects a second set of track sections of the railway network, or vice versa. A portable device (5) acquires at least one image of the railway point (1), the at least one image comprising a state information about the railway point (1) being in one of the first state, the second state, a state of transfer from the first state to the second state and a state of transfer from the second state to the first state. The state information is transmitted to a data processing device (11) at a remote location. Furthermore, operational information about an operation of the point machine (2) is received. The operational information includes information that allow to determine whether the point machine (2) is operating to move the railway point component (3) from one of the first and second state to the other of the first and second state or whether the point machine (2) is operating the railway point component (3) to move from the other of the first and second state to the one of the first and second state. The operational information is transmitted to the data processing device (11) and, by evaluating the state information and the operational information, it is either checked if the operational information is consistent with the state information or the operational information is defined in a manner that is consistent with the state information.

A pair (1; 10) of articulated rail vehicle carriages (2, 3), comprising- a first rail vehicle carriage (2),- a second rail vehicle carriage (3),- an articulation (11) that connects the first rail vehicle carriage (2) and the second rail vehicle carriage (3),- a first bogie (4), which is arranged in a first end region (R1) of the pair (1) of rail vehicle carriages (2, 3)- a second bogie (5), which is arranged in a second end region (R2) of the pair (1) of rail vehicle carriages (2, 3),- a third bogie (6), which is arranged in a central region (R3) of the pair (1) of rail vehicle carriages (2, 3),- a continuous corridor (7) from the first rail vehicle carriage (2) to the second rail vehicle carriage (3), arranged in an interior of the pair (1) of rail vehicle carriages (2, 3) and extending through at least a part of the first rail vehicle carriage (2) and through at least a part of the second rail vehicle carriage (3) and extending through the central region (R3) of the pair (1) of rail vehicle carriages (2, 3),the corridor (7) having a gradient of at most 15 % towards the central region (R3) of the pair (1) of rail vehicle carriages (2, 3).

Sheet metal assembly (10) forming a motor rotor and/or stator (15) comprising at least two metal sheets (22, 22A, 22B), each metal sheet (22, 22A, 22B) comprising at least one through hole (30) in a stacking direction (S), each metal sheet (22, 22A, 22B) being stacked with the other metal sheets (22) in the stacking direction (S), each through hole (30) of each metal sheet (22, 22A, 22B) facing at least partially a through hole (30) of the other metal sheets (22, 22A, 22B) so as to form one or more air ducts (35) extending in the stacking direction (S). The metal sheets (22, 22A, 22B) are configured and arranged so that each air duct (35) comprises at least one shoulder (40) along the stacking direction (S).

A traction system for a railway vehicle, comprising: - an electric motor (14) comprising a housing (20) including a peripheral part (40) in thermal contact with the stator, the motor defining two chambers (36, 38), the rotor defining a plurality of air passages (58) between the two chambers, the peripheral part defining a first liquid circuit (48) receiving a first flow of cooling liquid (32) intended to be heated by the stator, - a heat exchanger (22) outside of the housing, with an air inlet (64) in fluid communication with one of the two chambers, an air outlet (66) in fluid communication with the other one, and a second liquid circuit (68) receiving a second flow of cooling liquid (34), the air passages, the two chambers and the heat exchanger defining an air loop (78) for cooling the rotor, the heat exchanger performing a heat exchange between the air loop and the second flow of cooling liquid, - a fan (24) for circulating air in the air loop.