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Alstom Technology Ltd patents


Recent patent applications related to Alstom Technology Ltd. Alstom Technology Ltd is listed as an Agent/Assignee. Note: Alstom Technology Ltd may have other listings under different names/spellings. We're not affiliated with Alstom Technology Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Alstom Technology Ltd-related inventors


Method for processing materials

A method for material processing is disclosed, the method comprising applying a laser beam, directing the laser beam to a processing location to melt material at the processing location, and providing a shielding gas flow. The shielding gas flow is controlled dependent on at least one of a processing location position, a processing advance vector, and a processing trajectory.. ... Alstom Technology Ltd

Component and method for manufacturing said component

A component is disclosed, the component comprising a first material and a second material, wherein a second member made from the second material is embraced by a first member made from the first material. Further, a method is disclosed for manufacturing said component, the method comprising applying an additive manufacturing process, building up a first member from a first material by the additive manufacturing process, and adding a second member made from a second material during the additive manufacturing process and adding further first material to the first member thus embracing the second member.. ... Alstom Technology Ltd

Top head housing

A top head housing for a current transformer, mounted on top of an insulating column of the current transformer, and forming a chamber for windings of the current transformer, the top head housing being made of two parts fixed one to the other, and including two openings through each of which a conductor penetrates the chamber, the openings being symmetrically opposed with reference to a main vertical axis of the top head housing, wherein the two parts of the top head housing consist of two half shells including identical bodies.. . ... Alstom Technology Ltd

Assembly of modules, module support and module

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. ... Alstom Technology Ltd

Method for obtaining a configuration for joining a ceramic material to a metallic structure

A configuration for joining a ceramic layer has a thermal insulating material to a metallic layer. The configuration includes an interface layer made of metallic material located between the ceramic layer and the metallic layer, which includes a plurality of interlocking elements on one of its sides, facing the ceramic layer, the ceramic layer comprising a plurality of cavities aimed at connecting with the corresponding interlocking elements of the interface layer. ... Alstom Technology Ltd

Temperature measurement in switchgear stations

The invention relates to a device for measuring temperature in a high-voltage portion of a switchgear station, characterised in that it comprises: at least one temperature sensor (21, 22, 23, 24) located at a point on the high-voltage portion of which the temperature is to be monitored, at least one antenna (25) connected to the at least one temperature sensor, a control module (26) located in a low-voltage portion of the switchgear station, and at least one antenna (27) connected to the control module. The at least one temperature sensor (21, 22, 23, 24) is suitable for transmitting a signal representative of a temperature measurement and the control module (26) is suitable for receiving the representative signal, via the antennas, and for processing said signal in order to produce a message.. ... Alstom Technology Ltd

Method for evaluating operational and financial performance for dispatchers using after the fact analysis

A method is provided for evaluating operational and financial performance for dispatchers in power grid control centers associated with utility systems. A comprehensive operating plan is provided that applies after the fact analysis for performance metrics, root-cause impacts and process re-engineering. ... Alstom Technology Ltd

Solar thermal power system

A solar thermal power system includes a solar receiver, and a thermal energy storage arrangement having thermal energy storage fluid to be circulated through the solar receiver to store thermal energy. The system includes a multistage steam turbine operable on variable pressure steam generated by a steam generator arrangement, by utilizing the thermal energy storage fluid. ... Alstom Technology Ltd

Synthetic test circuit

A synthetic test circuit, for performing an electrical test on a device under test, is provided. The circuit includes a terminal connectable to the device under test; a voltage injection circuit-operably connected to the terminal, the voltage injection circuit including a voltage source, the voltage source including a chain-link converter, the chain-link converter including a plurality of modules, each module including a plurality of module switches connected with at least one energy storage device; and a controller-configured to operate each module of the voltage injection circuit to selectively bypass the or each corresponding energy storage device and insert the or each corresponding energy storage device into the chain-link converter so as to generate a voltage across the chain-link converter and thereby operate the voltage injection circuit to inject a unidirectional voltage waveform into the device under test.. ... Alstom Technology Ltd

A voltage source converter

A voltage source converter, for interconnecting electrical networks, comprises a converter structure which includes a terminal for connection to the first electrical network and a terminal for connection to the second electrical network. The converter structure also includes at least one module that is connected between the terminals. ... Alstom Technology Ltd

Circuit breaker comprising an insulating hollow tube

The invention relates to a circuit breaker (10) for an electricity transport installation, the circuit breaker comprising a tank (12), a vacuum bottle (20) that has a stationary contact (24), a movable contact (26), and sealing means (40), a casing (30) that is arranged inside the tank (12), that electrically connects the movable contact (26) to an electrical conductor (18), and that co-operates with an outside wall of the vacuum bottle (20) to define a volume (42) that is taken to a pressure close to atmospheric pressure, and feeder means for feeding the inside volume (42) of the casing (30), which feeder means pass through the inside volume (14) of the tank (12), the circuit breaker being characterized in that the feeder means for feeding the inside volume (42) of the casing (30) consist in a tubular element (38, 54, 56) made of insulating material.. . ... Alstom Technology Ltd

A breaker device for interrupting current on a transmission line

A breaker device for interrupting current flowing on a transmission line, the device comprising three electrical branches (b1, b2, b3) connected in parallel, including a main branch (b1) in which the current to be interrupted flows and an auxiliary branch (b2), the main branch comprising at least one semi-conductor breaker cell (cel1) connected in series with at least one mechanical interrupter/disconnector (sm), the auxiliary branch (b2) comprising at least one thyristor, the breaker device further comprising a control circuit (cm) suitable for interrupting a current that flows in the main branch. Once the current is interrupted in the semi-conductor element of the breaker cell of the main branch, the control circuit acts to command the thyristor of the auxiliary branch (b2) to be put into a conductive state whenever a current flowing in the voltage limiter(s) reaches the value of the current that is flowing in the transmission line.. ... Alstom Technology Ltd

Self-blast circuit breaker using the two-phase state of a gas to improve the cut-off properties

A breaking chamber (1) for a medium- or high-voltage circuit breaker extending along a longitudinal axis (xx′) and comprising: a pair of arcing contact (4, 5), at least one (5) of which is movable along the longitudinal axis (xx′); an arc-blast nozzle (6); a blast chamber (7), having a volume v2 that is constant and that opens out inside the blast nozzle; a compression chamber (8), arranged substantially behind the blast chamber, and structures (73, 81) for putting the internal volume of the compression chamber (8) into communication with the internal volume of the blast chamber (7); and structures (14, 15, 50), disposed substantially behind the compression chamber (8), in order to deliver liquid, either into the compression chamber (8), or directly into the blast chamber (7).. . ... Alstom Technology Ltd

Harmonic balancer for spray dryer absorber atomizer

A fluid type, gel/wax/paraffin type, or mechanical type harmonic balancer for built-in or retrofit use with an atomizer of a sda flue gas desulfurization system for reduced atomizer vibration within or outside of the atomizer's harmonic range is provided herein. Also provided, is a method of using the built-in or retrofit harmonic balancer with an atomizer of a sda flue gas desulfurization system to decrease atomizer vibration within or outside the atomizer's harmonic range, to increase atomizer on-line service hours, decrease atomizer maintenance requirements, and to decrease atomizer associated costs.. ... Alstom Technology Ltd

02/02/17 / #20170033629

C-shaped or u-shaped half-coil, rotor winding with such a half-coil and its manufactuing method

Embodiments of the present invention relate to a winding of a rotor for use in rotating electrical machines. More particularly, embodiments of the present invention relate to innovative half-coils used for the winding of the rotor. ... Alstom Technology Ltd

02/02/17 / #20170028345

Slurry control system

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.. ... Alstom Technology Ltd

01/26/17 / #20170025914

A conductor bar for an electric machine

The present disclosure relates to an insulated conductor bar, a use of a certain material for manufacturing an insulated conductor bar, and to a method for impregnating an insulated conductor bar. An object of the invention is to provide an alternative impregnation of a conductor bar for an electric machine. ... Alstom Technology Ltd

01/26/17 / #20170023507

Dibasic acid sensor and method for continuously measuring dibasic acid concentration in a substance

A method is provided for measuring a concentration of dibasic acid in a substance in a gas cleaning process, the method comprising the steps of sending a plurality of voltage pulses through the substance by a first electrode and a second electrode, wherein the first and second electrodes are in contact with the substance, receiving current responses generated by the plurality of voltage pulses, and analyzing the current responses using a multivariate data analysis for calculation of the concentration of dibasic acid in the substance. Also provided is a dibasic acid sensor, control unit and analysing unit for performing such a method.. ... Alstom Technology Ltd

01/12/17 / #20170010053

Tube arrangement in a once-through horizontal evaporator

Disclosed herein is a once-through evaporator comprising an inlet manifold; one or more inlet headers in fluid communication with the inlet manifold; one or more tube stacks, where each tube stack comprises one or more inclined evaporator tubes; the one or more tube stacks being in fluid communication with the one or more inlet headers; where the inclined tubes are inclined at an angle of less than 90 degrees or greater than 90 degrees to a vertical; where each tube stack comprises a plurality of tubes arranged in a plurality of columns and a plurality of rows; where a plurality of tubes in a first column are offset from a plurality of tubes in a second column by a distance d2 and where a plurality of tubes in a first row are offset from a plurality of tubes in a second row by a distance d1; where d1 varies from 0.1d2 to 1000d2; one or more outlet headers in fluid communication with one or more tube stacks; and an outlet manifold in fluid communication with the one or more outlet headers.. . ... Alstom Technology Ltd








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