Patents Assigned to Alstom
  • Wind turbine
    Patent number: 9909449
    Abstract: Wind turbine comprising a rotor having a hub carrying one or more blades, an air intake and a nacelle, the hub being rotatably mounted on a frame and the frame extending forward into the hub, wherein an air flow passage is provided between an inside portion of the hub and the nacelle via at least one first opening to the hub.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: March 6, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventors: Sebastian Valero Lafuente, Javier Bescos
  • ELECTRICAL SWITCHING APPARATUS COMPRISING AN IMPROVED ELECTRICALLY INTERCONNECT DEVICE
    Publication number: 20180062637
    Abstract: This electrical switching apparatus has at least two power components each including first and second power transistors. A driver control device of the transistors is configured to deliver a first control signal to each of the first transistors and a second control signal to each of the second transistors, and an electrical interconnect device connecting the driver control device to the power components. The interconnect device includes several electrically conductive plates extending parallel to one another, each being connected between a control electrode of one of the first or second power transistors and a corresponding output of the driver control device.
    Type: Application
    Filed: August 25, 2017
    Publication date: March 1, 2018
    Applicant: ALSTOM Transport Technologies
    Inventors: Fisal AL KAYAL, Christian DETONGRE
  • Air Handling System for a Land Transport Vehicle, Vehicle Comprising such a System and Air Handling Method
    Publication number: 20180057023
    Abstract: An air handling system (1) for a land transport vehicle, in particular a railway vehicle (M) is disclosed. The system includes: one or more air handling units (2) distributed within the vehicle (M); a cooling machine (4) that supplies frigories to the air handling units; and a frigories storage unit (8) that is capable of being loaded by the cooling machine and of supplying frigories to the air handling units when the vehicle is travelling in an enclosed or partially enclosed space. When the vehicle (M) is travelling in the open air, the cooling machine (4) supplies frigories to the air handling units (2) and loads the frigories storage unit (8) if a surplus of frigories is produced, by discharging into the exterior of the vehicle (M) the heat extracted from an interior volume of the vehicle.
    Type: Application
    Filed: August 31, 2017
    Publication date: March 1, 2018
    Applicant: Alstom Transport Technologies
    Inventors: Rami ABOU-EID, Philippe CHEVALIER, Alexandre HEUZE
  • Resistive element, RC module, and RC voltage divider for a high-voltage electrical substation insulated by a dielectric fluid
    Patent number: 9906002
    Abstract: The invention provides a RC module (20) for a RC voltage divider for an electrical substation insulated by a dielectric fluid. The RC module (20) comprises first and second plane conductive supports (210a,b) separated from each other in order to co-operate with the dielectric fluid to form a capacitor, when the module equips an electrical substation. The module further comprises at least one resistive element (220a,b) electrically connecting together the first and the second conductive supports (210a,b), the resistive element comprising a printed circuit (222) defining a resistive electric circuit including a plurality of resistive 2-terminal components mounted in series. The invention also provides a resistive element and a voltage divider.
    Type: Grant
    Filed: March 10, 2014
    Date of Patent: February 27, 2018
    Assignee: ALSTOM TECHNOLOGY LTD
    Inventor: Patrice Juge
  • Medium- or high-voltage electrical appliance having a low environmental impact and hybrid insulation
    Patent number: 9899125
    Abstract: The present invention relates to medium- or high-voltage equipment having low environmental impact, including a leaktight enclosure in which there are located electrical components covered with a solid dielectric layer of varying thickness and a gaseous medium for providing electrical insulation and/or for extinguishing electric arcs that are likely to occur in said enclosure, and that comprises heptafluoroisobutyronitrile in a mixture with a dilution gas.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: February 20, 2018
    Assignee: ALSTOM TECHNOLOGY LTD
    Inventors: Yannick Kieffel, Alain Girodet, Jacques Porte
  • Counterweighting a wind turbine hub
    Patent number: 9890763
    Abstract: Counterweight system for a wind turbine comprising a hub mounted to a nacelle such that the hub is rotatable around a rotation axis with respect to the nacelle. The counterweight system comprises: a mechanical unit comprising a fixed part and a rotatable part, the fixed part being mountable to the hub in such a way that the rotatable part is rotatable with respect to the hub substantially around the rotation axis of the hub; a drive unit for causing rotation of the rotatable part; a beam coupled to the rotatable part at a first point of the beam in such a way that the beam is arranged substantially perpendicular to the rotation axis of the hub; and a counterweight mass coupled to the beam at a second point of the beam. A method of mounting a blade to a hub by using said counterweight system is also provided.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: February 13, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventors: Santiago Canedo Pardo, Javier Bescos
  • Systems and methods for vehicle braking control
    Patent number: 9889829
    Abstract: A vehicle control system includes a brake system onboard a vehicle, a first actuation component, an automatic control system, and a second actuation component. The first actuation component is operably coupled to the brake system and is configured to cause actuation of the brake system to brake the vehicle when the first actuation component is activated. The automatic control system is onboard the vehicle and is configured to generate a first control signal for controlling the first actuation component to activate to upon occurrence of one or more designated conditions. The second actuation component is operably coupled to the brake system and is configured to cause actuation of the brake system to brake the vehicle upon receipt of one of the first control signal or a second control signal generated by the automatic control system.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: February 13, 2018
    Assignee: ALSTOM TRANSPORT TECHNOLOGIES
    Inventors: Jess Austin Backes, Tim Rolbiecki, Michael Scott Mitchell, Kelly Nichols, Kristopher Smith
  • Pitch drive system
    Patent number: 9890766
    Abstract: Pitch drive system for a wind turbine comprising a motor, a drive pinion operationally connected with the motor and a gear arranged to mesh with the drive pinion, wherein a first plate is provided on one side of the drive pinion, the first plate comprising one or more channels adapted to provide a lubricant to a tooth of the drive pinion that is in meshing engagement with teeth of the gear. The disclosure further relates to a wind turbine rotor.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: February 13, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventors: Pierre Pasquet, Javier Checa Caballero, Daniel García I Erill
  • Support structure comprising a shock absorbing pillar
    Patent number: 9890897
    Abstract: The invention provides a support structure (10) comprising at least one cylindrical pillar (16) of vertical main axis, having a bottom end (16i) that is connected to the ground (14) and a top end (16s) connected to a component to be supported; the support structure being characterized in that the pillar (16) includes at least one helical slot (20) coaxial about the main axis of the pillar (16).
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: February 13, 2018
    Assignee: ALSTOM TECHNOLOGY LTD
    Inventor: Daniel Demissy
  • Railroad switch machine
    Patent number: 9889867
    Abstract: A railroad switch machine includes a pair of switch blades, an electric motor mechanically coupled to the pair of switch blades, a pair of input terminals connected to a DC power supply for receiving a power signal and a regulator to adapt the power signal between the input terminals into a motor current applied to the electric motor. The regulator includes a plurality of switches connected between the pair of input terminals and two phases of the electric motor. The switches are transistors and the regulator also includes a controller adapted to drive each transistor with a respective command signal to adjust a value and a direction of an intensity of the motor current.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: February 13, 2018
    Assignee: Alstom Transport Technologies
    Inventor: Bruce V. Johnson
  • Blade for a wind turbine, and a servicing unit for a blade
    Patent number: 9885343
    Abstract: A blade for a wind turbine comprises a substantially hollow shell which comprises an opening which extends along at least part of the length of the blade, and a servicing unit displaceable along the blade shell, at least partly arranged inside the shell and comprising an arm adapted to project out of the shell through the opening.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: February 6, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventors: Jaume Betran Palomas, Jorge Menasanch De Tobaruela
  • Direct-drive wind turbines
    Patent number: 9882443
    Abstract: A direct-drive wind turbine comprises a wind turbine rotor and a generator mounted on a frame. The wind turbine rotor comprises a hub carrying blades and the generator comprises a generator stator comprising a track structure and a stator surface connected to the track structure, wherein the stator surface has coil windings, and carriages connected one after the other and adapted to run on the track structure, wherein the carriages carry an electrically magnetically active material facing the stator surface such that when the carriages run along the track structure a magnetic field is generated across an air gap provided between the carriages active materials and the stator coil windings, wherein one or more carriages are directly coupled to the wind turbine rotor by rigid connectors such that rotation of the wind turbine rotor causes displacement of the carriages along the track.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: January 30, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventor: Pere Cortada Acosta
  • WELDED STATOR FRAME FOR AN ELECTRIC MOTOR AND ASSOCIATED MANUFACTURING PROCESS
    Publication number: 20180026490
    Abstract: The invention relates to a motor stator frame having two plates in cast iron; at least one steel bar connecting both plates, the bar having two ends each attached to one of the plates; and each plate in cast iron has at least one orifice receiving an insert in steel, the end of the bar attached to the plate being welded to said insert.
    Type: Application
    Filed: July 13, 2017
    Publication date: January 25, 2018
    Applicant: Alstom Transport Technologies
    Inventors: Bruno RAGUIN, Jean-Pierre LOMBARD, Gaëtan TRIMAILLE
  • SCREWED STATOR FRAME FOR AN ELECTRIC MOTOR AND ASSOCIATED MANUFACTURING PROCESS
    Publication number: 20180026491
    Abstract: 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: Application
    Filed: July 20, 2017
    Publication date: January 25, 2018
    Applicant: Alstom Transport Technologies
    Inventors: Bruno RAGUIN, Jean-Pierre LOMBARD, Gaëtan TRIMAILLE
  • Method of operating a wind turbine
    Patent number: 9874198
    Abstract: Method of operating a wind turbine having a tower, a rotor with a plurality of blades arranged on the tower, one or more pitch systems for pitching the blades, a system for determining an instantaneous representative wind speed, and a system for determining a distance between a blade and the tower. The method comprises determining the instantaneous representative wind speed, and determining the distance between the tower and one of the blades when said blade is in the shadow of the tower. The method further comprises determining a tower distance pitch adjustment depending on the determined distance between the tower and the blade in the shadow of the tower and on the determined instantaneous representative wind speed. The method still further comprises the one or more pitch systems applying the determined tower distance pitch adjustment to at least the next blade to be in the shadow of the tower.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: January 23, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventor: Marc Canal Vila
  • ASSEMBLY OF MODULES, MODULE SUPPORT AND MODULE
    Publication number: 20180020560
    Abstract: The invention relates to an assembly of modules for an electrical circuit comprising: a module support for at least two modules and at least two modules, each module comprising two complementary connectable sub-modules. The module support comprises for each sub-module at least an alignment member adapted to individually align the sub-module during its installation on the module support in such way to connect it to complementary sub-module already installed on the module support to form one of the modules. The invention also relates on a module support, a module and a Flexible Alternative Current Transmission Systems.
    Type: Application
    Filed: February 9, 2015
    Publication date: January 18, 2018
    Applicant: ALSTOM Technology Ltd
    Inventors: Roman RAUBO, Marek RAUBO
  • Device and method for measuring vibrations of a rotor
    Patent number: 9869579
    Abstract: The present disclosure relates to a measuring device for measuring vibrations of a rotor and to a method for measuring the vibrations of a rotor. Disclosed is a measuring device for measuring vibrations of a rotor of an electric machine having a guiding rod with a plate at one end of the guiding rod, the plate to abut at the rotor in operation, an actuator for inducing a shock to the rotor via the guiding rod and via the plate, and a monitor device for measuring the vibrations at the rotor caused by the induced shock.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: January 16, 2018
    Assignee: ALSTOM Renewable Technologies
    Inventor: Michel Wehbe Spiridon
  • Ground level power supply system for a non-guided vehicle
    Patent number: 9868365
    Abstract: The inventive system, of the conduction type, comprises: a pair of power supply tracks, comprising a so-called live conductive track (11), designed to be electrically connected to a voltage source, and a so-called neutral conductive track (12), for the current return, designed to be electrically connected to a reference potential (Vref), the neutral track traveling parallel to the live track on a first side thereof; and a protective conductive track (13), designed to be connected to a ground potential, the protective track traveling parallel to the live track (11) on a second side thereof, opposite the first side. The system is installed in a roadway such that the live, neutral and protective conductive tracks are flush with a surface (18) of the roadway (2).
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: January 16, 2018
    Assignee: ALSTOM TRANSPORT TECHNOLOGIES
    Inventor: Jean-Luc Hourtane
  • METHOD FOR UPDATING A PLURALITY OF VEHICLES AND ASSEMBLY FORMED BY A PLURALITY OF RAILWAY VEHICLES AND AN ASSOCIATED MANAGEMENT SYSTEM
    Publication number: 20180011703
    Abstract: A method for applying a plurality of vehicles each including an onboard server and at least two apparatuses, an onboard server and each of the apparatuses storing initial data, each onboard server being connected to the apparatuses mounted in the same vehicle with a local network. The method includes the steps of transferring modified data, through an extended radiofrequency communication network, from a server on the ground towards the onboard servers, when the modified data have been stored in memory in each onboard server, emitting via the extended network, an updating command, and transmitting modified data to at least one apparatus through the corresponding local network, the modified data replacing, in said apparatus, the initial data.
    Type: Application
    Filed: June 30, 2017
    Publication date: January 11, 2018
    Applicant: Alstom Transport Technologies
    Inventor: Lilian PLANCHE
  • Electric traction system for a railway vehicle and protection method realized by such a system
    Patent number: 9849787
    Abstract: A system includes a converter for powering a synchronous electric machine to which it is connected by cables, an insulating device and a mechanism for short-circuiting phases of the machine. The system includes primary detectors for detecting an overcurrent in the converter and a securing device able to open the insulating device when receiving a primary detection signal emitted by the primary detector. The system also includes secondary detectors able to detect a short-circuit downstream from the insulating device and to emit a secondary detection signal toward the securing device, the latter actuating the closing of the mechanism for short-circuiting as long as they have already received a primary detection signal having led to the opening of the insulating device.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: December 26, 2017
    Assignee: ALSTOM TRANSPORT TECHNOLOGIES
    Inventors: David Cypers, Guillaume Desportes