Patents Assigned to Alstom
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Publication number: 20200039550Abstract: A system controls a level crossing of a railway track installation. The railway track installation includes at least one track. The system includes at least two magnetometers associated with the at least one track and placed at corners of a crossing area between the at least one track and a road. The system also includes a level crossing control unit configured for receiving data from the magnetometers. Each magnetometer is arranged to detect a respective magnetic field vector of the earth's magnetic field and to send data representative of the magnetic field vector to the control unit. The control unit is configured to elaborate the data to detect changes in the magnetic field vectors due to the presence of a train in the crossing area and to control the level crossing as a function of the detected changes.Type: ApplicationFiled: August 6, 2018Publication date: February 6, 2020Applicant: ALSTOM TRANSPORT TECHNOLOGIESInventors: John HOUNSCHELL, Jeffrey FRIES, James FRISBIE, Tony SPAGNOLIA, Brian ISAACSON
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Patent number: 10554117Abstract: The invention relates to an electric converter (30) for a substation feeding an electric grid and/or for recuperating the braking energy of rail vehicles traveling on a railroad track, the substation being connected to a feeder line able to supply a DC voltage to the rail vehicles traveling on the railroad track, the substation comprising an electricity distribution grid able to deliver a corresponding three-phase voltage with three phases, the converter (30) comprising a transformer (306) able to inspect the value of the three-phase voltage delivered by the electricity distribution grid, a filtering device (304) able to filter the three-phase voltage of the transformer (306), and an inverter (302) connected to the filter (304).Type: GrantFiled: January 14, 2016Date of Patent: February 4, 2020Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventors: Johnny Bou-Saada, Jérôme Sadoun, Jonathan Scottini
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Patent number: 10543857Abstract: A rail vehicle that includes at least one car and at least one bogie that carries the car, the bogie including a chassis and a secondary suspension system between the chassis and the car, wherein the secondary suspension system includes a spring assembly mounted between the chassis and the car, the secondary suspension system including an actuator, provided with a piston extending at least partially between an upper stop secured to the car and a lower stop secured to the chassis, and a supply device of the actuator, and wherein supply device of the actuator is configured to supply the actuator such that the distance between the upper and lower stops is kept constant.Type: GrantFiled: June 8, 2017Date of Patent: January 28, 2020Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventors: Sacheen Dausoa, Yves Longueville
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Patent number: 10545858Abstract: This test method for validating a specification of a graphical interface consists of developing a scenario file corresponding to the validation test to be performed. The scenario file includes a plurality of instructions, in a natural programming language, each instruction including a function, parameters and an expected state of the graphical interface following the application of the function. The test is automatically performed by interpreting the scenario file so as to generate commands intended for an engine capable of interacting with the graphical interface and monitoring the evolution of its current state, and then analyzing a result file associating each instruction of the scenario file with a result corresponding to the comparison of the current state of the graphical interface following the application of the corresponding command with the expected state.Type: GrantFiled: July 7, 2017Date of Patent: January 28, 2020Assignee: ALSTOM Transport TechnologiesInventors: Arnaud Hocquard, Pierre Dumas
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Patent number: 10533288Abstract: The railroad track wire connection is configured for electrically connecting a first element of a railroad installation to a second element of the railroad installation, the first element and the second element being electrically conductive, at least one of the first element and the second element being a rail of a line of rails of a railroad track of the railroad installation.Type: GrantFiled: January 30, 2018Date of Patent: January 14, 2020Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventors: James Frisbie, Tony Spagnolia
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Publication number: 20200012944Abstract: Method for detecting switch degradation and failures having steps of collecting and labelling, into predefined categories, switch machine data relative to a predetermined controlled switch placed in supervised environment and conditions; storing the labeled data of each movement switch in a database and pre-processing the labelled data. A learning LSTM weights and cell parameters by performing a training phase on a LSTM network using the pre-processed data, thus obtaining a final LSTM model inclusive of architecture and parameters of the LSTM network suitable for analyzing switch data relative to movements of switches actually located on a railway track; collecting data relative to the movements of a switch located on a railway track; and classifying the switch movements into said categories by applying the collected data to the final LSTM, thus detecting switch degradations and failures.Type: ApplicationFiled: July 5, 2018Publication date: January 9, 2020Applicants: ALSTOM TRANSPORT TECHNOLOGIES, FLORIDA INSTITUTE OF TECHNOLOGYInventors: Nenad MIJATOVIC, Adrian Manoj PETER, Mitchell SOLOMON, Kailas V. RAJAN, Emily JENSEN
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Publication number: 20200010101Abstract: Method for monitoring at least one point system of a railway network comprising the steps of placing several sensors in correspondence of said at least one point system; acquiring from said sensors current and voltage signals of a point machine during a maneuver; and segmenting the signals of the maneuver according to different predetermined phases of movement. Then extracting predetermined features from each segment; comparing the extracted features with a set of predetermined values which represent a “healthy” maneuver, thus obtaining a global indicator representative of the conditions of the maneuver at the point system; and comparing said global indicator with a failure threshold, and if it exceeds said failure threshold, detecting a failure in the point system.Type: ApplicationFiled: July 6, 2018Publication date: January 9, 2020Applicants: ALSTOM TRANSPORT TECHNOLOGIES, UNIVERSITY OF CINCINNATIInventors: Allegra ALESSI, Benjamin LAMOUREUX, Pierre DERSIN, Jay LEE, Hossein DAVARI ARDAKANI, Zhe SHI, Wenjing JIN, Piero LA-CASCIA, Michele PUGNALONI
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Publication number: 20200011015Abstract: Method for detecting rail switches degradation and failures, the method having the steps of applying a Discrete Wavelet Transform to stored measurement data relative to a switch move to be analysed and obtaining a feature vector associated with said switch move and including Discrete Wavelet Transform coefficients delivered by the applied Discrete Wavelet Transform; comparing the obtained feature vector with feature vectors associated with rail switch moves previously obtained and associating each to a respective health class among several given health classes; and determining a health class for the said switch move to be analyzed by selecting one of the health classes associated with the previously obtained feature vectors based upon the comparison step.Type: ApplicationFiled: July 5, 2018Publication date: January 9, 2020Applicants: ALSTOM TRANSPORT TECHNOLOGIES, FLORIDA INSTITUTE OF TECHNOLOGYInventors: Nenad MIJATOVIC, Adrian Manoj PETER, Kaylen Jamal BRYAN, Charlie Jinshaw TIAN, Christina Mariah COLEY
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Patent number: 10527660Abstract: According to another aspect a system is provided for detecting a track signal leakage of a track signal on at least one railway track, a track signal being a signal transmitted via the rails of a railway track to detect the presence of a railway vehicle and/or transmit a provide information to a railway vehicle, the at least one railway track comprising at least two adjacent track sections being isolated against each other, the system comprising: a controller according to an embodiment disclosed herein; at least one transmitter for emitting a test signal via a first track section, the at least one transmitter being connected to the controller; and a plurality of receivers for receiving the test signal via one or more track sections, wherein each receiver is associated to at least one track section.Type: GrantFiled: September 28, 2016Date of Patent: January 7, 2020Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventor: Pier-Alessandro Aisa
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Patent number: 10525994Abstract: A method for evaluating the angular velocity of a railway vehicle circulating on a track, the vehicle including an inertial unit including at least one angular velocity sensor, the method including measuring an instantaneous angular velocity provided by the sensor, determining the bias of the angular velocity measured around at least one axis, the velocity bias being taken as equal to the value of the angular velocity measured around this axis when the measured angular velocity is substantially constant for a predetermined period, and calculating the evaluated angular velocity, by subtracting from the measured angular velocity, the previously determined velocity bias.Type: GrantFiled: December 23, 2013Date of Patent: January 7, 2020Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventor: Jean Le Bastard
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Patent number: 10530212Abstract: A motor stator frame including two plates in cast iron; at least one steel bar connecting both plates, each bar having two threaded ends; and at least one threaded bushing. Where each of the plates has at least one orifice being used as a seat for each threaded bushing the threaded ends of each bar being engaged into the threaded bushings.Type: GrantFiled: July 20, 2017Date of Patent: January 7, 2020Assignee: Alstom Transport TechnologiesInventors: Bruno Raguin, Jean-Pierre Lombard, Gaëtan Trimaille
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Patent number: 10513277Abstract: A method is provided for detecting the presence of a rolling stock on a railway track that is subdivided in successive track sections forming successive electrical circuits independently fed with electrical current for monitoring the presence of a rolling stock on a track section. A transmission device for providing electrical current is located at one end of the track section, and a reception device for detecting the electrical current is located at an opposite end of the track section. This method includes steps for continuously feeding the electrical circuit with electrical current and monitoring the presence of a rolling stock on the corresponding track section so that an electrical current can be applied to the electrical circuit if the reception device detects that no rolling stock is present on the track section. A system for detecting presence of a rolling stock on a railway track is also provided.Type: GrantFiled: May 9, 2017Date of Patent: December 24, 2019Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventor: Pier-Alessandro Aisa
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Patent number: 10507805Abstract: This washing machine for a railway vehicle includes a water texturing system, mixing water with particles able to produce textured water having super-hydrophoby properties making it possible to implement a lotus cleaning effect on the surface on which the textured water flows; a textured water spraying system, fed by the water texturing system and using at least one appropriate spraying device to spray the textured water on a surface of the railway vehicle to be cleaned.Type: GrantFiled: February 27, 2017Date of Patent: December 17, 2019Assignee: Alstom Transport TechnologiesInventor: Jorge Pereira
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Patent number: 10507848Abstract: A railway vehicle for passenger transport comprising a vehicle body, said vehicle body including a passenger entrance area and a vehicle boarding aid for facilitating passengers' access to the passenger entrance area, the vehicle boarding aid comprising a movable entry threshold arranged in an access position facilitating passengers' access to the passenger entrance area and a vertical position adjusting device for vertically adjusting the access position of the entry threshold as a function of a potential vertical gap between a station platform and the passenger entrance area, wherein said entry threshold is fixedly arranged in said access position in all operating states of the railway vehicle.Type: GrantFiled: November 19, 2014Date of Patent: December 17, 2019Assignee: Alstom Transport TechnologiesInventors: Francis Demarquilly, Eric Combeau, Frédéric Le-Breton
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Patent number: 10500978Abstract: An assembly made up of a recharging system including a power supply contact on the ground, and a switching device, to bring the power supply contact to a supply voltage delivered by a source to which the recharging system is connected, and a vehicle including a contact shoe electrically connected to onboard energy storage means, the contact shoe being placed below the vehicle and movable between a high position and a low position, the vehicle including a control device able to command the movement of the contact shoe from the high position to the low position so that it is placed in contact with the power supply contact, only when the vehicle is stopped in said predetermined position allowing the capture of energy from the recharging system, in which the footprint of the vehicle covers the power supply contact.Type: GrantFiled: June 8, 2016Date of Patent: December 10, 2019Assignee: Alstom Transport TechnologiesInventors: Jean-Luc Hourtane, Yann Chaintron
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Patent number: 10494000Abstract: Disclosed is a fairing (3) for an articulated railway vehicle bogie, this fairing including: a bottom wall (30) and side walls (31) able to surround at least a lower part of a bogie, and first and second anchoring zones (51, 52) each able to be fastened to one end, respectively, of a first body and a second body of a railway vehicle that are articulated relative to one another, in a configuration where these first and second bodies rest at least partially on the bogie. The fairing (3) includes a flexible connector (4) that mechanically links the first anchoring zone (51) and the second anchoring zone (52) and that authorizes a movement of these first and second anchoring zones relative to one another.Type: GrantFiled: March 10, 2017Date of Patent: December 3, 2019Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventor: Huu-Thi Do
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Patent number: 10478744Abstract: A railway bogie includes one or more operative components for the operation of the railway bogie and an impact guard protecting the one or more operative components from flying debris. The impact guard is made of a high density polyethylene (HDPE). The railway bogie can be used in Jacobs bogies of multiple units operating under wintery conditions.Type: GrantFiled: June 23, 2016Date of Patent: November 19, 2019Assignee: Alstom Transport TechnologiesInventors: Ulrich Meyer, Holger Kaufmann, Michael Kulp
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Patent number: 10479381Abstract: A system for controlling a level crossing comprising one or more transceivers located in proximity of a level crossing area on a first side of a railway track; one or more corresponding passive reflective targets located in proximity of the level crossing area on a second side opposite to the first side where each transceiver is located; a control unit connected to each transceiver; wherein each target receives RF signals coming from each transceiver and sends back corresponding reflected signals; each transceiver is arranged to elaborate said reflected signals so as to calculate predetermined parameters values; the control unit acquires said parameters values from each transceiver and elaborates them so as to detect the presence of a train in an area around the level crossing area and, in case of presence of said train, to send a warning message and/or close bars of the level crossing.Type: GrantFiled: March 22, 2017Date of Patent: November 19, 2019Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventors: Jeffrey Fries, William Shields
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Patent number: 10479383Abstract: A system for controlling a level crossing between a railway track and a road, the system comprising a first couple of transmitters and a second couple of transmitters in proximity of a level crossing area; a first couple of receivers and a second couple of receivers opposite to the transmitters with respect to the railway track, the first couple of transmitters and receivers located on a first side of the road and the second couple of transmitters and receivers located opposite to the first side, a control unit sending and receiving signals from said transmitters and receivers, wherein each couple of transmitters transmits a first beam from a first transmitter towards a corresponding first receiver, and a second beam from a second transmitter towards an opposite second receiver, the control unit activates sending at least one second beam and sends a warning message and/or close bars of the level crossing upon interruption of at least one first beam due to the presence of the train on the railway track.Type: GrantFiled: March 22, 2017Date of Patent: November 19, 2019Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventors: Jeffrey Fries, William Shields
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Patent number: 10471873Abstract: The rotation device includes means for locking the seat in extreme angular positions, comprising a movable abutment carried by the seat, and interacting with a complimentary fixed abutment when the seat is in one of its extreme angular positions. The movable abutment may be moved between a locked position in which it abuts the fixed abutment, and an unlocked position in which it is above the fixed abutment. The device has a means for unlocking the seat, wherein it comprises at least one pneumatic control member and pneumatic means for driving the movable abutment from its locked position to its unlocked position when the control member is actuated.Type: GrantFiled: May 3, 2018Date of Patent: November 12, 2019Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventors: Christophe Pailler, Jean-Louis Lugol, Julien Febvre