Patents Assigned to ALSTOM Technology
-
Publication number: 20140071266Abstract: Disclosed herein is a system having an optically transparent substrate having a first side and a second side that are opposed to each other, a microprocessor, a database, a camera disposed upon the first side of the optically transparent substrate and a source of illumination. The source of illumination is disposed in a ring around the camera on the first side and is operative to illuminate the object disposed on the second side of the optically transparent substrate. Further the camera is in operative communication with the microprocessor and the database. The camera is operative to capture an image of an object disposed upon the second side of the optically transparent substrate. The microprocessor is operative to calculate dimensions and geometry of the object from the image and facilitate acceptance or rejection of the object based upon a standard, a parameter or a calibration chart.Type: ApplicationFiled: August 16, 2013Publication date: March 13, 2014Applicant: ALSTOM Technology LtdInventors: Matthew David ALLEN, Allan Gunn Ferry, Ronald Francis Konopacki, Robert F. Crocker
-
Publication number: 20140074433Abstract: A device for diagnostic of an electronic based product includes a plurality of sensors for monitoring parameters associated with product. Each sensor generates at least one of an analogue signal and a digital signal upon monitoring of a parameter. The device further includes a plurality of converters for converting analogue signals to digital signals, a processing module for determining abnormal parameter conditions based on comparing digital signals to threshold parameter values. Each abnormal parameter condition corresponding to a parameter is determined based on comparison of a digital signal associated with the parameter and a threshold parameter value corresponding to the parameter. The device further includes a memory module configured to store information associated with the abnormal parameter conditions, and a communication interface to provide the information to external devices for diagnosis of the product.Type: ApplicationFiled: September 12, 2013Publication date: March 13, 2014Applicant: ALSTOM Technology Ltd.Inventor: Gilles CREPET
-
Patent number: 8668892Abstract: A system for reducing NOx in a flue gas stream, including an absorption element, a first inlet in fluid communication with the chamber configured to deliver a pressurized flue gas to the chamber, and a second inlet in fluid communication with the chamber configured to deliver an absorbing additive to the chamber. An outlet is in fluid communication with the chamber to exhaust from the chamber flue gas that has contacted the absorbing additive. A method for reducing NOx in a flue gas including the steps of: providing a flue gas in a chamber of an absorption element, providing an absorbing additive so that it contacts at least a portion of the flue gas, and exhausting at least a portion of the flue gas from the chamber.Type: GrantFiled: March 13, 2013Date of Patent: March 11, 2014Assignee: Alstom Technology Ltd.Inventors: Erik W. Boos, Lars Nilsson
-
Publication number: 20140064977Abstract: 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: ApplicationFiled: July 25, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology LtdInventors: Arnaud Buguin, Michel Floch, Julien Lemaire
-
Publication number: 20140060766Abstract: A blade for a gas turbine has a leading edge and a trailing edge, and an interior cavity, which is delimited by internal surfaces, for guiding cooling air therethrough. A multiplicity of turbulators or pins, which are formed on the wall, are arranged in a distributed manner in the region of the trailing edge and project from the internal surfaces into the cavity, to improve the transfer of heat between the wall of the blade and the cooling air. An improvement of the internal cooling is achieved by the turbulators or pins extending into the cavity in a direction which can be freely selected within an angular range.Type: ApplicationFiled: November 8, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology LtdInventors: Jose Anguisola MCFEAT, Jörg KRÜCKELS, Roland DÜCKERSHOFF, Brian Kenneth WARDLE
-
Publication number: 20140060060Abstract: The invention refers to burner arrangement for producing hot gases to be expanded in a gas turbine, including a burner inside a plenum, where the burner has means for fuel injection, means for air supply and means for generating an ignitable fuel/air mixture inside the burner, and a combustion chamber following downstream said burner having an outlet being fluidly connected to the gas turbine. The invention is characterized in that the means for air supply includes at least two separate flow passages, and that the one of the two flow passages is fed by a first supply pressure and the other flow passage is fed by a second supply pressure.Type: ApplicationFiled: July 8, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology LtdInventors: Stefano BERNERO, Ennio PASQUALOTTO, Ewald FREITAG
-
Publication number: 20140065562Abstract: This invention relates to a premix burner for operating a heat generator, the burner at least having a swirl generator, a mixing section downstream of the swirl generator and a transition piece for transferring the swirl flow from the swirl generator into the mixing section. The invention further refers to a transition piece for such a premix burner. The transition piece includes an inlet, connected to the swirl generator, an outlet, connected to the mixing tube, and a continuing flow limiting interior contour between said inlet and said outlet, wherein at least in an inlet section said interior contour is curved radially inwards towards the inner diameter of the mixing tube and wherein at the outlet the interior contour is flush with an interior flow limiting contour of the mixing tube.Type: ApplicationFiled: August 30, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology LtdInventors: Franklin Marie GENIN, Marcel Rieker, Bettina Paikert
-
Publication number: 20140065559Abstract: A pressurized oxy-combustion circulating fluidized bed power plant having a circulating fluidized bed boiler is provided. A combustion chamber of the boiler is in fluid communication with a separator and configured so that solids produced during combustion enter the separator. The power plant further includes an air separation unit that is in fluid communication with the combustion chamber. The air separation unit is configured to supply substantially pure oxygen to the combustion chamber at a pressure greater than 1 bar. An external heat exchanger is in fluid communication with the separator and in fluid communication with the combustion chamber. The external heat exchanger is configured so that a portion of the solids received in the separator pass through the external heat exchanger and transfer heat to a working fluid, after which the solids are returned to the combustion chamber to moderate or control the temperature in the combustion chamber.Type: ApplicationFiled: September 6, 2012Publication date: March 6, 2014Applicant: ALSTOM Technology Ltd.Inventor: Glen D. Jukkola
-
Publication number: 20140060064Abstract: The present disclosure relates to a method of operating a combined cycle power generating system. The method includes combusting a fuel in a gas turbine, generating electricity and a steam of flue gas, producing a stream of steam in a heat recovery steam generator, producing a stream of concentrated carbon dioxide using an absorption unit and a solvent regeneration unit, forwarding the steam stream to a steam turbine and transferring the heat energy in the stream exiting the steam turbine to the solvent regeneration unit, and a thermal storage unit for storing heat energy.Type: ApplicationFiled: September 4, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology LtdInventors: Gian Luigi Agostinelli, Andre Burdet, Michal Tadeusz Bialkowski
-
Publication number: 20140065560Abstract: The present disclosure relates to a method of operating a boiler system that includes an oxyfuel boiler in which an oxygen stream and a fuel stream are combusted to generate a stream of flue gas, an oxygen gas source producing the stream of oxygen for the boiler, and a gas processing unit for cleaning and compressing at least a portion of the stream of flue gas generated in the boiler for producing a stream of pressurized fluid comprising carbon dioxide. The method includes operating the boiler system, at least for a period of time, in an evaporation mode, in which a stream of oxygen from the oxygen gas source in liquid form is evaporated prior to being introduced in the boiler by transferring heat energy to the stream of liquid oxygen from a first stream of carbon dioxide of the gas processing unit. The present disclosure further relates to a boiler system for an oxy-fuel process as well as to a power plant comprising such a system.Type: ApplicationFiled: September 3, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology Ltd.Inventors: Olaf STALLMANN, Frank Klaus Ennenbach, Christian Britz, Jutta Narjes, Markus Joerg Weitzel
-
Publication number: 20140065046Abstract: The present invention relates to a method of cleaning a process gas containing sulphur dioxide the method including removing sulphur dioxide from the process gas by contacting the process gas with seawater to generate an at least partly cleaned process gas in a first gas cleaning device. In a second gas cleaning device, being arranged in direct fluid connection with the first gas cleaning device, the at least partly cleaned process gas having passed through the first gas cleaning device is cooled to condense water there from, thereby generating a process gas having a reduced content of water vapour. At least a part of the condensed water generated in the second gas cleaning device is passed to the first gas cleaning device. The present invention moreover relates to a gas cleaning system for cleaning of a process gas containing sulphur dioxide.Type: ApplicationFiled: September 4, 2013Publication date: March 6, 2014Applicant: ALSTOM Technology LtdInventors: Olaf STALLMANN, Gerhard Heinz
-
Patent number: 8661992Abstract: An outer shroud for a solid fuel nozzle tip includes: an top shell portion and a bottom shell portion, each portion fabricated from a preform produced from a single sheet of flat stock and each shell portion including a forward area and a backward area and outlet sidewalls, wherein a right outlet sidewall and a left outlet sidewall are each separated from the forward area by a rounded corner; and a left inlet sidewall and a right inlet sidewall coupled to the top shell portion and the bottom shell portion.Type: GrantFiled: August 22, 2012Date of Patent: March 4, 2014Assignee: ALSTOM Technology LtdInventor: Jeffrey S. Mann
-
Patent number: 8662106Abstract: A hydraulic trip unit for a valve unit in a prime mover plant is described, with monitoring passages which are grouped together in a hydraulic block and interconnected forming a 2 out of 3 circuit, of which each monitoring passage is provided with a solenoid valve unit, with a power oil line connection which is provided on the hydraulic block and from which an emergency oil passage and an auxiliary emergency oil passage extend inside the hydraulic block, of which the emergency oil passage can be connected to the valve unit and the auxiliary emergency oil passage is connected via connecting lines to a solenoid valve unit in each case, wherein a first connecting line feeds a first and third solenoid valve unit, a second connecting line feeds the second and a first solenoid valve unit, and a third connecting line feeds the third and second solenoid valve unit.Type: GrantFiled: September 29, 2009Date of Patent: March 4, 2014Assignee: Alstom Technology LtdInventors: Carsten Reumschussel, Markus Brandli, Claus Eifert, Daniel Pfammatter, Silvano Steib
-
Patent number: 8661780Abstract: A gas turbine plant is provided with exhaust gas recirculation and includes a main gas turbine having a main compressor and main turbine driving a main generator, and a combustion chamber, with an outlet connected to the inlet of the main gas turbine, has a fuel feed, and via the recuperator's high-pressure side obtains combustion air from the main gas turbine's compressor outlet. The outlet of the main turbine and the inlet of the main compressor are connected via the recuperator's low-pressure side and a cooler for exhaust gas recirculation. On the recuperator's low-pressure side, a charging unit, with a compressor and a turbine is arranged, and draws in air via an air intake and by the outlet of its compressor is connected to the recuperator's low-pressure side outlet and by the inlet of its turbine is connected to a surplus-gas extraction line on the recuperator's low-pressure side.Type: GrantFiled: April 26, 2011Date of Patent: March 4, 2014Assignee: Alstom Technology Ltd.Inventors: Hans Wettstein, Manfred Wirsum, Steffen Schulz
-
Patent number: 8662481Abstract: A system & Method for Preventing Scaling in a Flue Gas Desulphurization System is provided. The system includes an injector configured to direct a barrier fluid toward a surface that is otherwise susceptible to scaling when it comes in contact with super-saturated alkaline solutions such as slurry used to capture CO2 from a flue gas stream.Type: GrantFiled: August 22, 2013Date of Patent: March 4, 2014Assignee: ALSTOM Technology LtdInventor: Dennis James Laslo
-
Patent number: 8663586Abstract: A method and system for high performance mercury capture from solid fuel combustion flue gas is provided. The method includes injecting pulverized activated carbon into a mercury capture system with at least a first and a second fabric filter, collecting the pulverized activated carbon captured in the second fabric filter, and injecting the collected pulverized activated carbon from the second fabric filter upstream of the first fabric filter for reuse to capture mercury from the process gas.Type: GrantFiled: May 2, 2013Date of Patent: March 4, 2014Assignee: ALSTOM Technology LtdInventor: Dennis James Laslo
-
Patent number: 8664813Abstract: The phase ring assembly includes a support ring carrying a plurality of phase rings provided with connection arms that are bent to the phase rings. The connection arms are placed between the phase rings and the support ring. The support ring has recessed seats housing the connection arms.Type: GrantFiled: July 26, 2011Date of Patent: March 4, 2014Assignee: Alstom Technology Ltd.Inventors: Jean Charles Ast, Marc Zimmermann
-
Publication number: 20140053566Abstract: The invention relates a method for mixing a dilution air with a hot main flow in a sequential combustion system of a gas turbine, wherein the gas turbine essentially comprises at least one compressor, a first combustor which is connected downstream to the compressor The hot gases of the first combustor are admitted to at least one intermediate turbine or directly or indirectly to at least one second combustor, wherein the hot gases of the second combustor are admitted to a further turbine or directly or indirectly to an energy recovery.Type: ApplicationFiled: August 23, 2013Publication date: February 27, 2014Applicant: ALSTOM Technology LtdInventors: Adnan EROGLU, Ewald FREITAG
-
Publication number: 20140053569Abstract: The invention concerns a method for mixing a dilution air with a hot main flow in sequential combustion system of a gas turbine, wherein the gas turbine essentially comprises at least one compressor, a first combustor which is connected downstream to the compressor, and the hot gases of the first combustor are admitted to at least one intermediate turbine or directly or indirectly to at least one second combustor. The hot gases of the second combustor are admitted to a further turbine or directly or indirectly to an energy recovery, wherein at least one combustor runs under a caloric combustion path having a can-architecture. At least one dilution air injection is introduced into the first combustor, and wherein the direction of the dilution air injection is directed against or in the direction of the original swirl flow inside of the first combustor.Type: ApplicationFiled: August 23, 2013Publication date: February 27, 2014Applicant: ALSTOM Technology LtdInventor: Mirko Ruben Bothien
-
Publication number: 20140053559Abstract: A damping device for reducing pressure oscillations in a combustion system includes at least a portion provided with a first, outer wall, a second, inner wall, an intermediate plate interposed between the first wall and the second wall. This intermediate plate forms a spacer grid to define at least one chamber between said first wall and said second wall, first passages connecting each of said at least one chamber to the inner of the combustion system, and second passages connecting each of said at least one chamber to the outer of the combustion system. The second passages open at the same side of said chambers as the first passages, the second passages have a portion extending parallel to the inner wall. This parallel portion of said second passages is equipped with heat transfer enhancing means.Type: ApplicationFiled: July 25, 2013Publication date: February 27, 2014Applicant: ALSTOM Technology LtdInventors: Michael MAURER, Andreas Huber, Lothar Schneider, Urs Benz, Diane Lauffer