Patents Assigned to Alstom
  • Patent number: 9443666
    Abstract: An electrical contact device of the contact finger type for high nominal current between a first part that is conductive and a conductive surface of a second part comprising a flexible rod connected to a first connection element for mechanical and electrical connection to the first part, a contact portion applied on the conductive surface of the second part, and at least one metal contact blade placed at a first end between a first end of the flexible rod and the first part. The flexible rod is conductive, and the at least one metal blade is connected at its second end to the second end of the flexible rod by a second mechanical and electrical connection element.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: September 13, 2016
    Assignee: Alstom Technology Ltd.
    Inventors: Didier Rodrigues, Denis Frigiere, Jean Marc Willieme, Frank Jacquier
  • Patent number: 9442139
    Abstract: A Rogowski coil assembly (1) for measurement of high frequency electrical currents includes coil segments (3) disposed in series with retrospective impedance influence reduction coupling.
    Type: Grant
    Filed: February 14, 2013
    Date of Patent: September 13, 2016
    Assignee: ALSTOM TECHNOLOGY LTD.
    Inventors: Max Hobelsberger, Dominic Gerber
  • Patent number: 9440183
    Abstract: A wet scrubber (1) for cleaning a process gas containing sulphur dioxide comprises an absorption vessel (2) for contacting the process gas with an absorption liquid to absorb sulphur dioxide from the process gas, a sulphite sensor (68, 74) for measuring a sulphite concentration in the absorption liquid, and a control unit (52). The control unit (52) is adapted to receive a measurement signal from the sulphite sensor (68, 74) and to control, based on the measured sulphite concentration, at least one wet scrubber operating parameter influencing the sulphite concentration in the absorption liquid.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: September 13, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Fredrik Jens Brogaard, Kerstin Forsgren, Mikael Larsson, Rikard Håkansson
  • Patent number: 9444316
    Abstract: The method for extraction or introduction of a rotor (4) from or into a stator (2) of an electric machine (1) includes removing the fan blades (20) from the seats (19) of the rotor shaft (26), connecting a first guide (16) into the seats (19) of the removed fan blades (20), connecting a second guide (23) to the stator or to an element fixed to the stator (2), extracting or inserting the rotor (4) by sliding the first guide (16) on the second guide (23).
    Type: Grant
    Filed: June 12, 2013
    Date of Patent: September 13, 2016
    Assignee: ALSTOM TECHNOLOGY LTD
    Inventors: Robert Fogel, Daniel Hediger, Urs Hafner, Jacek Kanicki
  • Patent number: 9438094
    Abstract: The arrangement of an electric machine, a connecting system and a converter, includes the connecting system connected between the electric machine and the converter. The connecting system has an enclosure that houses non-shielded conductors each non-shielded conductor is connected between a phase of the electric machine and the inner side of the converter. The non-shielded conductors of the connecting system that are connected to an operating phase of the electric machine are adjacent to conductors of the connecting system that are not connected to operating phases of the electric machine.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: September 6, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Not-Curdin Fried, Damir Novosel, Daniel Hediger, Andre Arndt, Hossein Safari Zadeh, Gregoire Vienne
  • Patent number: 9429977
    Abstract: A relief spring stop bolt assembly for shallow bowl coal pulverizing mills and a method of using the same to smooth operation of such a pulverizer during low load operation is described. The subject relief spring stop bolt assembly is sized to be used with or for “retrofit” within existing journal space and existing journal opening cover space of a shallow bowl mill to effectively smooth rough operating conditions.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: August 30, 2016
    Assignee: ALSTOM TECHNOLOGY LTD
    Inventors: Lawrence Scott Farris, Todd G. Williams
  • Patent number: 9431858
    Abstract: Generator rotor comprising a rotor rim and a plurality of permanent magnet modules arranged at one of an inner and outer circumference of said rotor rim, wherein the rotor rim comprises a plurality of rotor rings separated by gaps between them, and attached to each other via a plurality of axial strips fixed to the other of the inner and outer, the permanent magnet modules comprise a base and one or more rows of magnets mounted on a top surface of said base, and wherein the permanent magnet modules are fixed to the strips by a plurality of fasteners extending through the gaps between the rotor rings.
    Type: Grant
    Filed: May 17, 2012
    Date of Patent: August 30, 2016
    Assignee: ALSTOM RENOVABLES ESPAÑA, S.L.
    Inventor: César Muñiz Casais
  • Patent number: 9431167
    Abstract: A single-phase electric furnace transformer is provided according to the basic principle of the invention, comprising: a single magnetic core, said magnetic core comprising two side columns and at least one main column; a main transformer, comprising a first primary side winding and a first secondary side winding which are disposed on said at least one main column, wherein said first primary side winding consists of a first winding and a second winding which are connected in series with each other; and a voltage regulating autotransformer, which is disposed on one of two side columns of said magnetic core, and which comprises a second primary side winding and a second secondary side winding, wherein said second secondary side winding is an adjustable winding having on-load tap switch, and said adjustable winding is connected in series between the first winding and the second winding of said main transformer.
    Type: Grant
    Filed: September 29, 2012
    Date of Patent: August 30, 2016
    Assignee: Alstom Technology Limited
    Inventors: Junjun Guan, Serge Tirilly
  • Patent number: 9429359
    Abstract: A method for drying a wet CO2 rich gas stream from an oxy-combustion process that includes: compressing the wet CO2 rich gas stream to a drying process operating pressure, cooling the wet CO2 rich gas stream in at least one cooler, alternately drying the wet CO2 rich gas stream in at least one dryer which contains at least one desiccant bed and regenerating the desiccant bed by conducting a heated regenerating gas through the dryer in opposite direction to the flow direction of the wet CO2 rich gas stream, separating the dried CO2 rich gas stream in a purification process to a purified CO2 gas stream and a waste gas stream rich in nitrogen and oxygen, whereby the waste gas stream rich in nitrogen and oxygen is used as regenerating gas, and subsequently to the regeneration the dryer is purged at least once by a pressurized CO2 rich gas stream conducted from the compressor, and whereby the dryer is charged up to the drying process operating pressure with a pressurized CO2 rich gas stream conducted from the comp
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: August 30, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Olaf Stallmann, Markus Joerg Weitzel
  • Patent number: 9427695
    Abstract: A chilled ammonia capture system for capturing carbon dioxide from a flue gas stream comprises a first absorber and a second absorber. The first absorber operates at a temperature of about 25 to about 50 degrees Celsius. The operating temperature permits the use of a lower circulation rate, which leads to smaller diameter vessels and to fewer recirculation pumps, which in turn leads to lower operating and maintenance costs.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: August 30, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Sandra Guidolin, Joseph P. Naumovitz, Peter Kniesburges
  • Patent number: 9427792
    Abstract: A method for producing superheater tubes and connecting pipes and assembling superheater tubes inside a steam generator tube wall includes preparing tubes composed of precipitation-hardened nickel-based alloys in a solution-annealed state for the straight tubes, the bends, and the connecting pipes in a workshop and preparing sleeves composed of a material that is not to be heat treated in a shop. The bends and the connecting pipes are manufactured in the workshop using bending tools and then the straight tubes, the bends and the connecting pipes are precipitation hardened in the workshop in a first heating device. The superheater tubes are manufactured in the workshop by connecting the straight tubes and the bends with weld seams, and connecting the sleeves with the connecting pipes with weld seams. The weld seams between straight pipes and bends as well as the weld seams between sleeves and connecting pipes are precipitation hardened in the workshop with a second heating devices.
    Type: Grant
    Filed: September 9, 2009
    Date of Patent: August 30, 2016
    Assignee: ALSTOM TECHNOLOGY LTD.
    Inventors: Ruben Hartwig, Andreas Helmrich, Daniel Mutter, Alois Schalk
  • Patent number: 9429274
    Abstract: A system for regulating an amount of fresh lime slurry introduced to a spray dry absorber. The control system includes a controller configured to receive input from a continuous emissions monitoring system (CEMS), a valve in communication with the controller and a spray dry absorber suction pump, the valve adapted to regulate an amount of fresh lime slurry provided to the spray dry absorber suction pump and a valve in communication with the controller and a pre-mix tank, the valve adapted to regulate an amount of fresh lime slurry provided to the pre-mix tank.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: August 30, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Travis Dwight Reynolds, Dwight Arnold Goodman, Thomas Edwin Pearson, Dana Humphreys
  • Patent number: 9429028
    Abstract: A pinned root fixing arrangement of axial flow steam turbine rotor discs made of a low alloy that is less susceptible to stress corrosion cracking (SCC). Such an arrangement has a first ratio, which is defined as ratio of the axial breadth of the disc fingers and the sum of the axial breath and the axial breadth G of the gap between adjacent disc fingers, in the range of about 0.4 to about 0.6 and further has a second ratio, which is defined as the ratio of the length of the disc fingers and the blade fingers to the diameter, between 4 and 6.
    Type: Grant
    Filed: July 25, 2013
    Date of Patent: August 30, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Arnaud Buguin, Michel Floch, Julien Lemaire
  • Patent number: 9428449
    Abstract: A method of forming urea by integration of an ammonia production process with that of a urea production process, as well as a system for the method is disclosed. Also, an alternative method of forming urea by integration of a part of an ammonia production process with that of a urea production process, as well as a system for the alternative method.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: August 30, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Frank Ennenbach, Ulrich Koss
  • Patent number: 9429044
    Abstract: A supercritical heat recovery steam generator includes a duct defining an interior area and having a gas inlet and a gas outlet. The duct is configured to convey gas from the gas inlet to the gas outlet. A portion of the duct between the gas inlet and the gas outlet defines an exhaust gas flow segment of the interior area. A supercritical evaporator is disposed in the interior area and a reheater is disposed in the interior area. The reheater and the supercritical evaporator are disposed in the exhaust gas flow segment, adjacent to each other with respect to the flow of the exhaust gas.
    Type: Grant
    Filed: January 11, 2013
    Date of Patent: August 30, 2016
    Assignee: ALSTOM TECHNOLOGY LTD
    Inventor: Wei Zhang
  • Patent number: 9421990
    Abstract: The damping device (10) according to the invention is designed to damp a shock in a longitudinal direction (X). It includes a central pad (12), designed to be secured with a first member (14A) of the coupling device (14), and two side wings (18), each formed by a thin plate extending in the longitudinal direction (X). Each side wing (18) includes at least one first longitudinal region (20), secured to the central pad (12), at least one second longitudinal region (22), designed to be secured with a railroad vehicle, and at least one line of least resistance (24), separating the first (20) and second (22) longitudinal regions from each other, extending over the side wing (18) in the longitudinal direction (X).
    Type: Grant
    Filed: December 8, 2014
    Date of Patent: August 23, 2016
    Assignee: ALSTOM TRANSPORTATION TECHNOLOGIES
    Inventor: Dominique Le Corre
  • Patent number: 9422822
    Abstract: The invention relates to a turbine of a power plant, having a stator, which has a housing and in the housing at least one stator blade carrier comprising stator blades. A rotor is provided which has a rotor shaft having rotor blades. At least one sealing device is provided which axially seals the respective stator blade carrier with respect to the housing and separates two regions having different pressures from one another. Improved sealing action is achieved in that the sealing device includes an axially acting primary sealing ring extending in the circumferential direction, and an axially acting additional sealing ring extending in the circumferential direction. The primary sealing ring facing the region has the lower pressure. The additional sealing ring facing the region has the higher pressure. The primary sealing ring is attached axially rigidly on the stator blade carrier.
    Type: Grant
    Filed: August 27, 2013
    Date of Patent: August 23, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Andras Wrobel, Egon Geist
  • Patent number: 9425854
    Abstract: Systems and methods for creating an alternative parallel wireless link communication in addition to wireless signals for a vehicle network. Embodiments of the present invention provide a spread spectrum transmission module that transmits a spread spectrum signal to a wayside equipment module in which such spread spectrum signal is reflected and communicated to a transmission module through an uplink communication. The uplink communication includes a first signal received from the wayside equipment module and the spread spectrum signal.
    Type: Grant
    Filed: January 23, 2013
    Date of Patent: August 23, 2016
    Assignee: ALSTOM TRANSPORT TECHNOLOGIES
    Inventors: Simone Soderi, Mario L. Papini
  • Patent number: 9418806
    Abstract: A power switching apparatus comprising a vacuum interrupter assembly and a switching assembly connected in parallel between a pair of terminals, each of the terminals being connectable in use to an electrical circuit. The vacuum interrupter assembly includes at least one vacuum interrupter having a pair of electrically conductive rods connected at a first end to a respective one of the terminals and extending at a second end into a vacuum tight enclosure. A first electrode is mounted at or near the second end of a first of the electrically conductive rods and a slotted coil including a support base mounted at or near the second end of a second of the electrically conductive rods. A second electrode is mounted on an inner surface of the slotted coil and a third electrode is mounted on the support base.
    Type: Grant
    Filed: June 7, 2011
    Date of Patent: August 16, 2016
    Assignee: Alstom Technology Ltd.
    Inventor: Rama Shankar Parashar
  • Patent number: 9417010
    Abstract: An apparatus for condensing steam is described including at least two chambers with a first chamber operated as co-current flow condensing chamber and a second chamber operated as counter-current flow condensing chamber with the co-current flow condensing chamber including a cooling liquid distribution system with a plurality of channels arranged above a plurality of film carriers having flat surface areas to carry films of cooling liquid.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: August 16, 2016
    Assignee: ALSTOM Technology Ltd
    Inventors: Hartwig Wolf, Francisco Blangetti, Peter Rusche