| ALSTOM TRANSPORT SA Patent applications |
| Patent application number | Title | Published |
|---|
| 20120085610 | GROUND-BASED POWER SUPPLY SYSTEM FOR A TRANSPORTATION VEHICLE AND ASSOCIATED METHODS - The ground-based electric power supply system ( | 04-12-2012 |
| 20120073467 | Diesel-Electric Locomotive - The diesel-electric locomotive ( | 03-29-2012 |
| 20120067850 | METHOD FOR DEICING A POWER SUPPLY LINE FOR RAILWAY VEHICLES - This method for deicing a direct current power supply line for railway vehicles is provided for a line extending between at least a first and a second reversible substations able to supply an electrical current circulating on the electrical power supply line, the first substation being controlled in a current supply mode, to supply an electrical current to the electrical power supply line and the second substation being controlled in a current recovery mode, to recover the electrical current from the electrical power supply line and send it back on an electrical power supply network. The method comprises establishing a voltage difference between the output terminals of the first and second substations such that a current circulates on the electrical power supply line between the two substations and that the heat produced by the circulation of the current causes the deicing of the power supply line between the two substations. | 03-22-2012 |
| 20120056576 | Power Train for a Transport Vehicle, in Particular a Rail Vehicle, and Method for Controlling Same - A power train for a transport vehicle is provided. The power train includes an electric motor comprising a shaft, a stator and a rotor, a power supply system receiving direct input voltage and delivering a polyphase voltage to the motor. The system has a modulation factor equal to the voltage amplitude of each phase of the motor divided by the direct input voltage, and includes a sensor for the rotational speed of the rotor. The power train includes a control device for varying the modulation factor that is adapted to decrease the modulation factor relative to the modulation factor in the absence of a device for varying the modulation factor, when the speed of rotation of the rotor belongs to a first interval of values below a predetermined transition value, and adapted to increase the modulation factor relative to the modulation factor in the absence of a device for varying the modulation factor, when the speed of rotation of the rotor belongs to a second interval of values greater than the predetermined transition value. A method and transport vehicle are also provided. | 03-08-2012 |
| 20120013743 | Device for Monitoring Condition of a Railway Supply Line - The present invention provides a monitor for monitoring a condition of a railway supply line when the supply line is in contact with a head of a pantograph of a vehicle in order to power the vehicle. The monitor includes a camera for monitoring parameters indicative of operating capability of the railway supply line and a reflective element including a pattern arranged on the pantograph head. The camera is arranged on the vehicle so as to register the pattern position with respect to a vertical direction. A pantograph and a vehicle are also provided. | 01-19-2012 |
| 20120004796 | Method for managing the circulation of vehicles on a railway network and related system - This method includes, the railway network being subdivided into resources ( | 01-05-2012 |
| 20110253003 | MOTORED BOGIE | 10-20-2011 |
| 20110126731 | DEVICE FOR PREVENTING AND DETECTING THE FALLING OF AN OBJECT ON A RAILWAY LINE, AND METHOD FOR DETECTING THE FALLING OF AN OBJECT ON THE LINE | 06-02-2011 |
| 20110063452 | Device for Verifying the Integrity of an Item of Displayed Data and Associated Method - 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. | 03-17-2011 |
| 20110030504 | TORQUE-TRANSMITTING DEVICE COMPRISING AN OIL RECUPERATOR WIPER - 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. | 02-10-2011 |
| 20100326944 | Articulated coupling between a first car and a second car of a vehicle, especially a railway vehicle - The invention relates to an articulated coupling between a first car ( | 12-30-2010 |
| 20100307371 | Articulated bogie for a railway vehicle - A bogie includes two pairs of wheels ( | 12-09-2010 |
| 20100307370 | Railway vehicle power bogie having a semi-suspended motor - A bogie includes two pairs of wheels ( | 12-09-2010 |
| 20100186620 | Bogie for Railway Vehicle - A bogie for a railway vehicle including a chassis; two front wheels and two rear wheels; and for each front wheel and each rear wheel, a guide for guiding the wheel in rotation and a primary suspension device of the chassis on the guide is provided. At least the primary suspension devices associated with the front and rear wheels arranged on the same first lateral side of the bogie each include two longitudinal connecting rods, each connected to the chassis by a first connection point and to the corresponding guide by a second connection point, and at least one resilient component inserted between the two connecting rods to define at least the vertical stiffness of the primary suspension device, the two connecting rods being offset longitudinally from one another. | 07-29-2010 |
| 20100175961 | Insulating Support for Electrical Power Supply Tracks - An insulating support for a ground electrical power supply track is provided. The insulating support is intended for a terrestrial transport system, in particular of the tramway type, and is in the form of a profile-member of insulating material which includes a substantially planar upper face intended to receive elements of the electrical power supply track and a planar lower face intended to be supported directly or indirectly on the ground. The profile-member is provided with a longitudinal groove is arranged on the upper face in order to receive a conductive track element. The profile member is also provided with a web which connects the upper face to the lower face. At least one longitudinal supply conduit intended to receive a supply line of the network extends through the web. The groove and each supply conduit are arranged centrally and symmetrically about a longitudinal center plane of the support perpendicular relative to the upper face. | 07-15-2010 |
| 20100134223 | Device for Sectioning an Electrical Circuit and a System for Distributing Electrical Energy Including the Sectioning Device - A device for sectioning an electrical circuit is provided. The device includes a housing having two main sectioning terminals and, in the housing, a first member for sectioning a first electrical connection between the two main sectioning terminals, an automatic control, under the action of an electrical signal, of the first sectioning member from the closed position to the open position thereof, and a manual control member for resetting the first sectioning member from the open position to the closed position thereof. The device also includes, in the housing, two secondary sectioning terminals and a second sectioning member movable between a position for opening and a position for closing a second electrical connection between the two secondary sectioning terminals, the second sectioning member being coupled to the first sectioning member, commutation of the first sectioning member bringing about commutation of the second sectioning member. | 06-03-2010 |
| 20100132586 | Motor-Driven Bogie for a Streetcar - A powered bogie for a railway vehicle, including one or more motors mounted on the bogie chassis, the front and rear reducing gears being arranged between, on the one hand, a longitudinal plane midway between the two front wheels and midway between the two rear wheels and, on the other hand, a longitudinal plane passing through the front wheel and the rear wheel situated on the same, first transverse side of the bogie is provided. | 06-03-2010 |
| 20100132585 | Railway Vehicle Comprising Pivoting Bogies - A railway vehicle including a plurality of bogies is provided. Each bogie includes a chassis, two front wheels and two rear wheels. For each front wheel and each rear wheel, a guidance device is provided for guiding the wheel in rotation and a primary suspension device of the chassis is provided on the guidance device. At least the primary suspension devices associated with the front and rear wheels are arranged on the same first lateral side of the bogie. The primary suspension devices each include two longitudinal connecting rods, each connected by a first connection point to the chassis and by a second connection point to the corresponding guidance device and at least one resilient component inserted between the two connecting rods to define at least the vertical stiffness of the primary suspension device, the two connecting rods being offset longitudinally relative to one another. Each of the bogies also includes a pivot connection device for connecting the bogie to the railway vehicle. | 06-03-2010 |
| 20100107923 | Primary Suspension Device for a Railway Vehicle Bogie - Disclosed is a device ( | 05-06-2010 |
| 20100083866 | Railway Vehicle Comprising Pivoting End Bogies - A railway vehicle including two end bogies is provided. Each end bogie includes a chassis; two front wheels and two rear wheels; for each front wheel and each rear wheel, guide for guiding the wheel in rotation and a primary suspension device of the chassis on the guide. At least the primary suspension devices associated with the front and rear wheels arranged on the same first lateral side of the bogie include two longitudinal connecting rods, each connected by a first connection point to the chassis, and by a second connection point to the corresponding guide, at least one resilient component inserted between the two connecting rods to define at least the vertical stiffness of the primary suspension device, the two connecting rods being offset longitudinally relative to one another. Each end bogie includes pivot connector suitable for connecting the end bogie to the vehicle. | 04-08-2010 |
| 20100078277 | Valve Assembly for Damper between a Lower Chamber and a Compensation Chamber in the Damper - A valve assembly is provided. The valve assembly includes a valve sliding in a valve holder and a base. The valve holder is held by the base by a resilient holding mechanism, the valve holder is mobile with respect to the base between a compression position and an expansion position. The valve holder includes a seat and a body extending beneath the seat and extending into the base. The holding mechanism is fixed on the one hand to the body of the valve holder and includes at least one portion extending beneath the lower face of the base, the portion resting against the lower face when the valve holder is in the expansion position. A damper is also provided. | 04-01-2010 |
| 20100043669 | Railway vehicle with movable platforms and running boards - This invention relates to a railway vehicle car of the type including a floor including at least one movable platform and a standard platform, the movable platform being located opposite a door in the railway vehicle, the movable platform being capable of moving linearly vertically so that the height of the movable platform can be varied to match the height of the said platform to the height of a station platform, at least one first running board which can move linearly vertically and in a transverse direction being provided to fill the gap between the movable platform and the station platform when the said running board is in a deployed position. The movable platform and the running board can move independently of each other. | 02-25-2010 |
| 20100018794 | Vehicle Driving Control - A vehicle driving control is provided. The vehicle driving control includes a dead man's system (VACMA) processing device and a lever arm capable of moving in a predetermined actuation direction with a handle. The handle is arranged at one end of the arm and includes an upper face, at least one lateral face, and a touch button which is electrically connected to the processing device. The touch button is located in the region of the lateral face. | 01-28-2010 |
| 20100006385 | ELECTRICAL EQUIPMENT ARRANGED IN THE ROOF OF AN ELECTRICALLY DRIVEN RAILWAY VEHICLE - Electrical equipment EE arranged in the roof of an electrically driven railway vehicle, said vehicle being equipped with at least one pantograph ( | 01-14-2010 |
| 20100004805 | COMPUTERIZED ON-BOARD SYSTEM FOR CONTROLLING A TRAIN - A computerized on-board system for controlling a train or rail vehicle is provided. The computerized on-board system includes a train control and monitoring system (TCMS) having a main processor unit (MPU) for controlling the train and electronic control, command and monitoring equipment for providing control data for the train. The computerized on-board system also includes at least one display unit for making the control data of the train provided by the main processor unit (MPU) or by the electronic equipment available and a main data transfer network. The electronic equipment includes at least one additional item of equipment, the at least one additional item of equipment being electronic equipment for automatic train control (ATC) or video surveillance equipment (CCTV). The display unit processes the data and displays data produced by one of the at least one additional items of equipment. | 01-07-2010 |
| 20090301834 | Electric Vehicle and Associated Transport System - An electric vehicle is provided including an electric drive, at least one first electric power collecting shoe to power the drive, and at least one first transmitter. The first collecting shoe is separated from the first transmitter by a first distance greater than 0.2 meters, the first transmitter is positioned in front of the first collecting shoe in the direction of travel of the vehicle. The invention also provides an associated transport system. | 12-10-2009 |
| 20090261676 | Method for Mounting a Magnetic Pole and Associated Rotor - The present invention provides a method for mounting at least one magnetic pole of a rotor of a motor of a synchronous electrical rotating machine from elementary elements, the rotor including a hub. The method includes the following successive steps: forming a set by fixing at least two elementary elements to each other with an electrical insulator being interposed therebetween; the elementary elements being magnetizable; machining a main face of the set of elementary elements in order to form a cylindrical face having a radius substantially equal to the predefined radius of the hub; magnetizing the magnetizable set; and fixing the magnetized set to the hub, the magnetized set forming at least a portion of the magnetic pole. | 10-22-2009 |
| 20090255437 | Railway vehicle carriage facilitating access for passengers with reduced mobility - A carriage including a floor comprising at least one low platform and two high floor levels, the low platform having a floor height lower than that of the high floor levels and being arranged opposite a door, the low platform being movable in translation is provided. The low platform is connected to said high floor levels by ramps. | 10-15-2009 |
| 20090251006 | Ground-Level Power Supply Circuit, Especially for a Tramway - 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. | 10-08-2009 |
| 20090250781 | POWER SEMICONDUCTOR DEVICE - 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. | 10-08-2009 |
| 20090241014 | Safe threshold-detection device for a railway system - A device for the safe threshold-detection of state information from an analog signal including a decision component and at least two acquisition diversity channels including in series a safe adaptation circuit, an electronic analog-to-digital conversion circuit, and a unit for comparing the digital output signal of the analog-to-digital conversion circuit with a reference signal is provided. | 09-24-2009 |
| 20090239081 | Method for welding two opaque elements of polymer material stable at high temperatures - A method for welding two opaque elements of polymer material stable at high temperatures including the following steps: preparing a lower element of opaque polymer material which is stable at high temperatures and to which is added a carbon powder in such a manner that the lower element is capable of absorbing laser radiation, preparing an upper element of polymer material which is stable at high temperatures, laser-welding the lower element and the upper element by laser radiation passing through the upper element and bringing about the welding at the interface between the upper element and the lower element. The upper element is made, during its preparation, opaque with respect to visible radiation and transparent with respect to laser radiation by adding a pigment to the polymer material, the pigment which is of the mineral or organic type not modifying the properties of the polymer material, being transparent with respect to laser radiation and stable at high temperatures. | 09-24-2009 |
| 20090231075 | Oil cooling system, particularly for transformers feeding traction electric motors, transformer with said system and method for determining the cooling fluid flow in a cooling system - 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. | 09-17-2009 |
| 20090193999 | Communication Bellows Between Cars of a Rail Vehicle - The invention relates to a communication bellows, of the type comprising: at least one external skin ( | 08-06-2009 |
| 20090160438 | SYSTEM FOR MEASURING AN ELECTROMAGNETIC FIELD, A CONTROL SYSTEM USING THE MEASURING SYSTEM, AND AN ELECTRONIC CIRCUIT DESIGNED FOR THE MEASURING SYSTEM - This system for measuring an electromagnetic field radiated by an electrical component of an electronic circuit, the electrical component being fixed to a dielectric substrate of the electronic circuit, is wherein a transducer ( | 06-25-2009 |
| 20090128122 | Apparatus for measuring the electrical energy delivered to a rail traction unit by a high voltage line - Apparatus for measuring the electrical energy supplied to a rail traction unit by a high voltage line ( | 05-21-2009 |
| 20090115249 | Track short-circuit and current return device for a rail vehicle - A rail vehicle of the type comprising including at least one equipped axle which is provided with a transmission shaft which is movable in terms of rotation and which is fixedly joined in terms of rotation to two wheels, each of which is provided with a tire, the device including an electric current supply source, the source supplying a friction assembly with electric current. The friction assembly is alone and is electrically connected to a cable assembly which electrically connects the tires of the two wheels, the cable assembly including a cable portion which extends inside the transmission shaft between the two wheels. | 05-07-2009 |
| 20090090266 | RAILWAY VEHICLE AND DEVICE FOR ACCESSING SAID VEHICLE - Railway vehicle ( | 04-09-2009 |
| 20090066272 | Electric safety braking device with permanent magnet motor and breaking torque control - This electric safety braking device for an electric traction vehicle may allow the force/speed characteristic of the vehicle to be improved and includes a rotating electromechanical machine with permanent magnets which has at least one coil with electric terminals, a rheostatic electric braking torque production device, and a commutation device which are capable of connecting the electric terminals of the electromechanical machine to the braking torque production device. The electric safety braking device includes at least one inductor is connected in series between the braking torque production device and the electromechanical machine. | 03-12-2009 |
| 20090063576 | System and method for information management - The system comprises a first data store which comprises a first physical storage medium, in which occurrences of information are recorded, and a second data store which comprises a second physical storage medium, in which occurrences of information are recorded. | 03-05-2009 |
| 20090050380 | Transport unit - The invention provides a transport unit including at least one passenger transport vehicle and at least one attached driver vehicle; a set of networks including a train bus, first and second gateways, first and second vehicle buses each connected to the train bus via the first and second gateways respectively, and first and second on-board equipment groups connected solely to the first and second gateways. The transport unit includes at least two vehicles each having at least one piece of equipment in the first equipment group and at least one piece of equipment in the second equipment group. | 02-26-2009 |
| 20080309125 | Train driver's cab comprising a canopy - A cab of this type comprises a frame ( | 12-18-2008 |
| 20080291705 | Method for regulating a voltage or a current of an RLC filter, a recording medium and vehicles for this method - This deadbeat control method for regulating an output voltage U | 11-27-2008 |
| 20080282614 | Vehicle Door Provided with a Joint - 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. | 11-20-2008 |
| 20080216703 | Rake of rail cars for passenger transport - 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. | 09-11-2008 |
