Patents Assigned to Alstom
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Publication number: 20150147237Abstract: An air quality control system (AQCS) 14 useful for treating flue gas FG, such as flue gas FG produced by a fossil fuel fired boiler 12 is described. The AQCS 14 is equipped with a dry scrubber low load distributor device 66. With the low load distributor device 66, flue gas FG flow through a dry scrubber reactor 36 is stabilized under varying plant 10 load conditions to maintain AQCS 14 stability, efficiency and effectiveness.Type: ApplicationFiled: November 26, 2013Publication date: May 28, 2015Applicant: ALSTOM Technology LtdInventor: Per Hakan Fredrik LANDMER
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Patent number: 9038794Abstract: The method according to the invention aims to optimize the operation of a reversible traction substation (Sk) of a power supply system (4) for railway vehicles, said reversible substation being able to be commanded in a traction operating mode or a braking mode. This method includes: determining a current value (Mc) of a favored operating mode; maximizing at least one optimization function (F) that depends on the current value of the favored operating mode, based on instantaneous values (G(t)) of multiple operating properties of the substation (Sk); computing optimized values (Popt(t)) for multiple configuration parameters of the substation (Sk) from maximized values (Gmax(t)) of the operating properties.Type: GrantFiled: December 26, 2013Date of Patent: May 26, 2015Assignee: ALSTOM TRANSPORT TECHNOLOGIESInventor: Daniel Cornic
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Publication number: 20150136044Abstract: A heat recovery steam generator (“HRSG”) includes a first casing having an interior enclosing at least one duct for gas to flow therein along a gas flow axis. Each duct is defined by duct defining members that are spaced apart from each other and extend into the interior of the first casing. A plurality of stiffening members are elongated along the gas flow axis. Each of the stiffening members are positioned between two of the duct defining members. The stiffening members and duct defining members have a substantially similar coefficient of thermal expansion.Type: ApplicationFiled: November 15, 2013Publication date: May 21, 2015Applicant: ALSTOM Technology LtdInventors: Donald Richard PALMER, Richard F. Moore, Ashok Prabhu
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Publication number: 20150136045Abstract: A heat exchanger apparatus for receiving water from a steam drum (1) and providing steam and heated unevaporated liquid water to the steam drum includes a first evaporator (EVAP-1) and a second evaporator (EVAP-2). The first evaporator can receive water from a steam drum via a first feed conduit (9) and the second evaporator can receive water from a second feed conduit (11). Both evaporators can output heated fluid to the steam drum via a combined evaporator output conduit (13). Each first evaporator passageway (14) only makes a single pass through a gas duct (15) having a heated gas flow (7) passing therethrough while each second evaporator passageways (24) can make one or more passes through the gas duct for transferring heat from the gas to the fluid within the evaporators. A portion of the first feed conduit can also have a pre-specified volume a pre-specified height below the first inlet (10).Type: ApplicationFiled: November 21, 2013Publication date: May 21, 2015Applicant: ALSTOM Technology LtdInventors: Suresh K. Shenoy, Jay Brian Anderson, Rahul J. Terdalkar, Donald William Bairley
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Publication number: 20150136006Abstract: An offshore wind turbine comprising a buoyancy structure intended to provide a buoyancy force to support the wind turbine, wherein said buoyancy structure comprises at least one floater tank and a damping structure extending radially outward from the floater tank to damp forces due to heave, pitch or roll.Type: ApplicationFiled: June 28, 2012Publication date: May 21, 2015Applicant: ALSTOM RENEWABLE TECHNOLOGIESInventor: Arturo Rodríguez Tsouroukdissian
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Patent number: 9035528Abstract: A press plate (5) for tightening the metal sheets (2) of a stator core of an electric machine has an annular element (16) with a plurality of holes (17) provided at a side wall (11) thereof. The holes (17) have an elongated recessed top portion (20) and a cylindrical recessed bottom portion (21) extending from the ceiling (22) of the elongated recessed top portion (20).Type: GrantFiled: May 13, 2011Date of Patent: May 19, 2015Assignee: ALSTOM TECHNOLOGY LTD.Inventors: Leszek Stachyra, Jacek Mariusz Kanicki, Daniel Hediger, Lothar Eckert
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Patent number: 9033155Abstract: A screening device (1) comprises a first compartment (3) for receiving solid particulate material, a second compartment (5) for receiving screened particulates from said first compartment (3), a perforated wall (7) separating the first (3) and second (5) compartments from each other for screening the solid particulate material into at least two particulate size-dependent fractions, and a gas permeable layer (21) for fluidization of particulates in said first compartment (3). The first compartment (3) is provided with a solid particulate material inlet (9) located at a first end (22) of screening device (1), and a particulate material outlet (11) located at a second end (24) of screening device (1), with perforated wall (7) extending from first end (22) to second end (24) of screening device (1), enabling simultaneous transport and screening of at least a portion of said solid particulate material.Type: GrantFiled: June 28, 2011Date of Patent: May 19, 2015Assignee: ALSTOM Technology LtdInventor: Anders Kenneth Sorhuus
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Patent number: 9032618Abstract: A method for insulating (5) a conductive bar (1) includes wrapping an insulating tape (2) around the conductive bar (1), enclosing it in a flexible container (4), applying a vacuum, impregnating the insulating tape (2) with an impregnating resin, curing the impregnating resin, and removing the conductive bar (1) with the insulation (5) around it from the flexible container (4). In addition, together with the insulating tape (2), an impregnating tape (3) made of the impregnating resin is wrapped around the conductive bar (1). In order to impregnate, the impregnating tape (3) is melted.Type: GrantFiled: December 17, 2010Date of Patent: May 19, 2015Assignee: ALSTOM RENEWABLE TECHNOLOGIESInventors: Thomas Baumann, Massimiliano Vezzoli, Thomas Hillmer, Thomas Widmer, Dieter Stoll, Clemens Dransfeld
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Patent number: 9035531Abstract: A rotating electric machine, e.g. hydrogenerator, includes a rotor, including a rotor laminate stack extending in a machine axis direction and having a rotor winding which forms a winding head at each of the ends of the rotor laminate stack. The winding head is fastened to a winding head rim, which is arranged concentrically within the winding head and adjoins the rotor laminate stack in the axial direction, to intercept centrifugal forces by bolts passing radially through the winding head, and a fastening designed to safely absorb axial expansions of the winding head. Simple and secure fastening is achieved by the bolts being fastened to the winding head rim in each case on a T-shaped hammer profile, which extends axially and is mounted, axially movable, in a T-shaped groove in the winding head rim, additional couplers are provided that transmit axial expansions of the winding head onto the hammer profile.Type: GrantFiled: August 8, 2012Date of Patent: May 19, 2015Assignee: ALSTOM RENEWABLE TECHNOLOGIESInventors: Serdar Cifyildiz, Alexander Schwery, Ricardo Naoki Okai, Hanspeter Walser, Matthias Schmid
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Publication number: 20150131189Abstract: A circuit breaker for high voltage direct current (HVDC) power transmission includes a module with a pair of terminals for connection to an electrical network, and four of conduction paths. Each first conduction path includes a mechanical switch connected in series with at least one first semiconductor switch to selectively allow current to flow between the first and second terminals through the first conduction path in a first mode of operation or commutate current from the first conduction path to the second conduction path in a second mode of operation. The second conduction path also has a semiconductor switch to selectively allow current to flow between the terminals through the second conduction path or commutate current from the second conduction path to the third conduction path in the second mode of operation.Type: ApplicationFiled: March 1, 2012Publication date: May 14, 2015Applicant: ALSTOM TECHNOLOGY LTDInventors: Colin Charnock Davidson, Colin Donald Murray Oates, Alistair Burnett
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Publication number: 20150128931Abstract: The molten salt solar tower system 100 is provided for controlling molten salt temperature in a solar receiver 130 for effective operation of the system 100 while without degrading physical properties of molten salt. The system 100 includes two circuits, first 140 and second 150. The first circuit 140 is configured to supply relatively cold molten salt in the solar receiver 130 for heating, and the second circuit 150 is configured to supply a predetermined amount of the relatively cold molten salt in the first circuit 140, as and when the temperature of the relatively hot molten salt circulating through the solar receiver 130 exceeds a predetermined set temperature value thereof.Type: ApplicationFiled: November 8, 2013Publication date: May 14, 2015Applicant: Alstom Technology LtdInventors: Abhinaya JOSHI, James A. MCCOMBE, Shizhong YANG
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Publication number: 20150128593Abstract: An auxiliary steam supply system in a solar power plant includes a solar receiver having a superheater section, a turbine, a steam circuit, a thermal energy storage arrangement and an auxiliary steam circuit. The thermal energy storage arrangement, including a thermal energy storage medium, is configured for the steam circuit to receive a portion of the steam to heat the thermal energy storage medium. The thermal energy storage arrangement may receive the steam from any location across the superheater section. Moreover, the auxiliary steam circuit generating auxiliary steam flow, which thermally communicates with the thermal energy storage arrangement to be heated, is introduced to any location across the superheater section. Capacity of the thermal energy storage arrangement may be relatively small as compared to the solar receiver and may be compact for placement on top of a tower.Type: ApplicationFiled: November 8, 2013Publication date: May 14, 2015Applicant: ALSTOM Technology LtdInventors: Rahul J. TERDALKAR, Romain GIRARD
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Patent number: 9027233Abstract: A supporting basket for an end winding of a stator winding of an electrical machine, the supporting basket including: at least one supporting ring; a plurality of supporting brackets arranged circumferentially distributed along the at least one supporting ring and attached to the at least one supporting ring; and a plurality of round connectors arranged radially externally on the supporting brackets, the round connectors extending circumferentially and being attached to the supporting brackets; wherein the supporting brackets, the at least one supporting ring, and the round connectors comprise an impregnation formed by dip-impregnation as a preassembled unit.Type: GrantFiled: November 4, 2011Date of Patent: May 12, 2015Assignee: Alstom Technology Ltd.Inventors: Daniel Hediger, Francesco Stallone
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Patent number: 9028784Abstract: The present application relates to a system and a process for gas cleaning.Type: GrantFiled: February 15, 2011Date of Patent: May 12, 2015Assignee: ALSTOM Technology LtdInventors: Sanjay Kumar Dube, David James Muraskin
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Patent number: 9028247Abstract: A combustion chamber is provided and includes a combustion device and a supply circuit arranged to feed fuel at a plurality of locations of the combustion device. The supply circuit includes manifolds collecting fuel to be distributed among at least some of the locations, ducts extending from the manifolds and feeding the locations. Some of the ducts carry valves having a plurality of predetermined working positions, each working position corresponding to a different fuel flow through the valve.Type: GrantFiled: November 15, 2011Date of Patent: May 12, 2015Assignee: Alstom Technology LtdInventors: Piotr Siewert, Rudolf Lachner
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Patent number: 9027422Abstract: A system 100 of monitoring mass in a furnace is described having a number of hanger rods 110 used to support at least a portion of the furnace. The system has at least one pressure sensor 111 that may be a load washer 111 operatively engaging a hanger rod 110 that provides a signal indicative of an amount of tension on the hanger rod 110. A pivoting unit 107, 109 distributes the force over the surface of the pressure sensor 111. A processor 200 monitors the signals from the pressure sensors 111 to set alarms when there is a mass overload, or adjust the operation of the furnace. The processor 200 may also predict when an overload will occur by extrapolating pressure sensor 111 readings forward into the future.Type: GrantFiled: September 17, 2010Date of Patent: May 12, 2015Assignee: ALSTOM Technology LtdInventors: Richard L. Burrington, William K. Montuori, William F. Rice, Thomas W. Sambor, Lloyd E. Steen
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Patent number: 9028654Abstract: Disclosed herein is a system comprising an evaporation unit comprising a first heat exchanger in fluid communication with a second heat exchanger; where the first heat exchanger is operative to heat an effluent stream comprising an amine solvent and/or amine byproducts and water and to discharge the effluent stream to the second heat exchanger; where the second heat exchanger is operative to convert the effluent stream into a distillate stream and a concentrate stream; and a reverse osmosis unit in fluid communication with the evaporation unit; where the reverse osmosis unit comprises a first reverse osmosis unit that is operative to receive the distillate stream and to separate water from byproducts of the amine solvent such that the water has a purity of greater than 95%, based on the weight of the distillate stream.Type: GrantFiled: February 29, 2012Date of Patent: May 12, 2015Assignee: ALSTOM Technology LtdInventors: Bjoern Ungerer, Christoph Weingaertner, Hans-Peter Dornik
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Patent number: 9030163Abstract: The object of the invention is a device for recharging with energy a piece of storage equipment loaded on-board a vehicle comprising at least one power supply device external to the vehicle, at least one power collector fixed on the vehicle, the power collector comprising a central portion provided with at least one friction strip, intended for powering the vehicle when the vehicle is moving, the central portion being laterally extended with at least one horn formed in one piece in a metal material and forming an upper surface. At least one portion of the upper surface of the horn forms a contact area capable of directly coming into contact with a corresponding contact surface of the power supply device when the vehicle is at a standstill in a stop station in order to ensure energy transfer between the power collector and the power supply device via the contact area.Type: GrantFiled: June 13, 2012Date of Patent: May 12, 2015Assignee: Alstom Transport SAInventors: Gaëtan Tuyeras, Olivier Jean Georges Chantal, Jean-Paul Moskowitz, Mohammed Leouatni, Angel Garcia Marne
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Patent number: 9023132Abstract: A method for filtration of harmful gas effluents from a nuclear power plant including the steps of providing a gas effluent from a nuclear power plant, the effluent including a mixture of gases; filtering the harmful, notably radioactive elements from the gas effluent by membrane separation through at least one membrane, the membrane separation being achieved by sifting, sorption and/or diffusion; storing the filtered harmful elements in storage reservoirs, and discharging the processed gas effluent to the atmosphere.Type: GrantFiled: January 9, 2013Date of Patent: May 5, 2015Assignee: ALSTOM Technology LtdInventor: Philippe Chantereau
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Patent number: 9022726Abstract: A thermally loaded, cooled component thermally coupled to a cooling system configured to receive a gaseous cooling introduced in a forced manner from outside that flows through the cooling system so as to absorb and transport heat away from the component as a result of thermal contact with the component. The component includes at least one Helmholtz resonator configured to improve thermal contact between the cooling medium and the component.Type: GrantFiled: June 24, 2011Date of Patent: May 5, 2015Assignee: Alstom Technology LtdInventors: Jaroslaw Leszek Szwedowicz, Stefan Irmisch