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Siemens Energy Inc
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Siemens Energy Inc patents


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

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 new patent  Ducting arrangement with a ceramic liner for delivering hot-temperature gases in a combustion turbine engine

A ducting arrangement (12) for a combustion turbine engine is provided. The arrangement includes a ceramic liner (22) defining a hot gas path throughout a length of the ducting arrangement. A cooling sleeve (24) is disposed circumferentially outwardly onto the ceramic liner along the length. A metallic support frame (26)... Siemens Energy Inc

 new patent  Transition duct support arrangement for a gas turbine engine

A gas turbine engine has a crown locking device and a seal portion. The crown locking device and seal portion connect a transition duct to an inlet extension piece. The crown locking device and seal portion is located between a metallic integrated exit piece and a transition duct that is... Siemens Energy Inc

 new patent  Transition duct exit holder and inlet ring support arrangement

A gas turbine engine has a transition duct supporter that is able to support and accommodate the operation of the gas turbine engine. The transition duct supporter is located between a metallic integrated exit piece and a transition duct that is made of ceramic matrix composites.... Siemens Energy Inc

Turbine airfoil cooling system with integrated airfoil and platform cooling system

A cooling system (10) for a turbine airfoil (12) of a turbine engine having one or more mid-chord cooling channels (16) that extend through both the airfoil (32) and a platform (18) of the airfoil (12) to provide adequate cooling the platform (18) while cooling the airfoil (32) is disclosed.... Siemens Energy Inc

Turbine airfoil cooling system with chordwise extending squealer tip cooling channel

An internal cooling system (10) for an airfoil (12) in a turbine engine (14) whereby the cooling system (10) includes a chordwise extending tip cooling channel (16) radially inward of a squealer tip (18) and formed at least in part by an inner wall (20) with a nonlinear outer surface... Siemens Energy Inc

Torsional measurements using an optical non contact method

A method to determine a characteristic on a turbine shaft is provided. The method includes disposing a reflective/absorptive target comprising a plurality of markings in a geometric pattern on the component. A light emitting source will then be focused onto a predetermined starting position on the target. The plurality of... Siemens Energy Inc

Fuel injector including a lobed mixer and vanes for injecting alternate fuels in a gas turbine

A fuel injector for injecting alternate fuels having a different energy density in a gas turbine is provided. A first fuel supply channel (18) may be fluidly coupled to a radial passage (22) in a plurality of vanes (20) that branches into passages (24) (e.g., axial passages) to inject a... Siemens Energy Inc

System and inspection of a generator stator core step iron region with the rotor in-situ

Eddy current inspection of the step iron region of a generator stator core lamina insulation is performed while the rotor is in situ, with inspection system (81). The system (81) excites the stator core (26) and then measures any eddy currents indicative of a damaged region. The inspection system carriage... Siemens Energy Inc

System and servicing rotor of generator using universal support device

A system and method for servicing a generator rotor of a turbine are presented. The system includes a support device for supporting the rotor. The support device has a surface. A contact point is established on the surface where the rotor contacts the surface. A location of the contact point... Siemens Energy Inc

Flash thermography device for inspecting turbine components

A flash thermography device for generating an infrared image of a turbine component located inside a turbine. The device includes a flash enclosure having an aperture. A flash source is located in the aperture wherein the flash source generates a light pulse that heats the turbine component. The device also... Siemens Energy Inc

Method and computer-readable model for additively manufacturing ducting arrangement for a gas turbine engine

Method and computer-readable model for additively manufacturing a ducting arrangement (10) for a gas turbine engine are provided. Ducting arrangement (10) may include a duct (18) to be fluidly coupled to receive a cross-flow of combustion gases from a main combustion stage. Duct (18) includes a duct segment (23) with... Siemens Energy Inc

Ducting arrangement with injector assemblies arranged in an expanding cross-sectional area of a downstream combustion stage in a gas turbine engine

A ducting arrangement (10) in a combustion stage downstream of a main combustion stage of a gas turbine engine is provided. A duct (18) is fluidly coupled to receive a cross-flow of combustion gases from the main combustion stage. Duct (18) includes a duct segment (23) with an expanding cross-sectional... Siemens Energy Inc

Systems and methods for determining turbomachine engine safe start clearances following a shutdown of the turbomachine engine

System and methods for predicting a turbomachine engine safe start clearance following a shutdown of the turbomachine engine is provided. The system includes a controller operatively connected to a plurality of temperature detecting means (TDM). The TDMs are arranged at an upper and lower part of the engine casing, and... Siemens Energy Inc

Generator stator bar having profile strip and process for manufacturing generator stator bar

Generator stator bar having profile strip and process for manufacturing a generator stator bar are presented. The generator stator bar includes stator bar strands assembled together. The profile strip is placed on top side and bottom side surfaces of the stator bar strand assembly. The profile strip includes uncured strip... Siemens Energy Inc

Palliative superalloy welding process

A method of welding including: applying a flux having at least a majority weight percent boron to a surface of a superalloy base material; forming a weldment on the surface wherein boron is melted onto the surface and is incorporated into a resulting weld pool and heat affected zone, and... Siemens Energy Inc

Process and product for forming gamma prime precipitation strengthened superalloys

A process is disclosed comprising heating a powder mixture (212) with an energy beam (304) to melt only a portion of a first powder (202) of the mixture and to melt all or most of a second powder (204) of the mixture, wherein the second powder includes a gamma prime... Siemens Energy Inc

Methods of brazing wide gaps in nickel base superalloys without substantial degredation of properties

Nickel base superalloys, including in some embodiments 5% to 7% Fe, which were previously developed and used for their corrosion resistance, also possess favorable characteristics for use as a braze filler in repair or joining of superalloy substrates, such as those used to form turbine engine blades and vanes, heat... Siemens Energy Inc

Bolt on seal ring

A device to route cooling air to a turbine blade is provided. The device includes a seal ring having an L-shaped cross section configured to abut a turbine disc. The seal ring includes a radial portion extending radially with respect to a rotor and an axial portion extending axially with... Siemens Energy Inc

Modular turbine vane

An airfoil attachment system (10) for a modular turbine vane (12) of a gas turbine engine (14) including an outer attachment system (10) with forward and aft radially extending axial hooks (20, 22) configured to be coupled directly to a vane carrier (24) to increase structural integrity of the modular... Siemens Energy Inc

Injector assembly and ducting arrangement including such injector assemblies in a combustion system for a gas turbine engine

Injector assembly and ducting arrangement including such assemblies for a combustor system in a gas turbine engine are provided. A reactant-guiding structure (42) may be configured to define a curvilinear flow path (47) to route a flow of reactants from a first flow direction (50) to a second flow direction... Siemens Energy Inc

Method and computer-readable model for additively manufacturing injector assembly or ducting arrangement including such injector assemblies

Method and computer-readable model for additively manufacturing an injector assembly or a ducting arrangement including such assembles, as may be used in a combustion system of a gas turbine engine. The injector assembly may include a reactant-guiding structure (42) that may be configured to define a curvilinear flow path (47)... Siemens Energy Inc

Combustor arrangement including flow control vanes

A combustor assembly (17) including guide vanes (44) located between an inner cylinder (24) and a flow sleeve (25). Each guide vane (44) includes a circumferentially angled flow directing portion (60) adjacent to a leading edge (46). The leading edge (46) of at least one guide vane (44) can be... Siemens Energy Inc

Active shaft grounding system with diagnostic waveform analysis

A system that applies a counteracting voltage or current to a rotating shaft to minimize a grounding voltage signal of the shaft, measures and analyzes the counteracting signal, and provides expert system logic that compares prior learned waveforms and models of baseline, fault, and degradation waveforms to operational waveforms to... Siemens Energy Inc

Grain growth management system and methods of using the same

System, methods for improving grain growth in a cast melt of a superalloy are provided. The system includes at least a mold having a shape defining a part of a turbo machine, e.g., a turbine blade. A cast melt, e.g., a superalloy, is poured into the mold, and one or... Siemens Energy Inc

Laser joining of cmc stacks

A method of manufacturing a gas turbine engine component (10) and the component so formed. The method includes: stacking a plurality of CMC layers (16) along a metal core (30) to form a stack of disconnected CMC layers, wherein adjacent edge faces (46) of the layers define a surface (44);... Siemens Energy Inc

System and enhancing visual inspection of an object

A method for inspecting an object to assist in determining whether the object has a surface defect. The method includes moving the object in a first direction and illuminating the object under ambient lighting conditions. The method also includes capturing at least one image of the object under the ambient... Siemens Energy Inc

Ducting arrangement in a combustion system of a gas turbine engine

A ducting arrangement (30) in a combustion system of a gas turbine engine is provided. The ducting arrangement may be formed by duct segments (32) circumferentially adjoined with one another to form a flow duct structure (e.g., a flow-accelerating structure (34)) and a pre-mixing structure (35). The flow duct structure... Siemens Energy Inc

Method and computer-readable model for additively manufacturing ducting arrangement for a combustion system in a gas turbine engine

Method and computer-readable model for additively manufacturing a ducting arrangement in a combustion system of a gas turbine engine are provided. The ducting arrangement may be formed by duct segments (32) circumferentially adjoined with one another to form a flow duct structure (e.g., a flow-accelerating structure (34)) and a pre-mixing... Siemens Energy Inc

Method and levitation additive welding of superalloy components

Superalloy components for turbine engines are additively welded by propelling a stream of powdered filler, which includes superalloy powder filler, through a nozzle at a powder stream mass flow rate, with pressurized gas. The powdered filler stream is melted and agglomerated into a continuous melt stream with a laser or... Siemens Energy Inc

Turbine airfoil having near-wall cooling insert

A turbine airfoil is provided with at least one insert positioned in a cavity in an airfoil interior. The insert extends along a span-wise extent of the turbine airfoil and includes first and second opposite faces. A first near-wall cooling channel is defined between the first face and a pressure... Siemens Energy Inc

Method of selective laser brazing

A method of selective laser brazing is provided. The method includes providing a powder including a plurality of parent core particles and a plurality of braze particles, setting a temperature of an energy source, applying the energy source to the powder, and allowing the heated powder to solidify. The plurality... Siemens Energy Inc

A cooled turbine vane platform comprising forward, midchord and aft cooling chambers in the platform

A cooling system (10) positioned within a turbine airfoil (12) and having film cooling channels (16) positioned within inner and outer endwalls (18, 20) of the turbine airfoil (12), with cooling fluids supplied to the cooling channels (16) other than from an aft cooling chamber (22) to prevent blockages from... Siemens Energy Inc

Brazing gap spacing apparatus and method

A screen (24A-H) of a specified thickness (T) for insertion in a gap (32) between surfaces of workpieces (32, 34) to be joined by brazing. The screen thickness determines and maintains the gap thickness during brazing. The screen has a higher melting point than the braze filler material (22), is... Siemens Energy Inc

Movable interface for gas turbine engine

A gas turbine engine has a movable interface that permits rotation of the inlet portion and cone. The movable interface moves within a surface of the flow sleeve that is designed to receive the movable interface. A sealing ring and groove located at the connection between the sealing ring and... Siemens Energy Inc

Superplastic fabrication of superalloy components for turbine engines

Superalloy material components for turbine engines, including steam and combustion turbine engines are fabricated by superplastic formation of a laser-sintered preform. Superalloy material powder is sintered into a preform, such as by laser sintering. The preform is inserted within a pressurized forming furnace, containing a mold with a mold cavity... Siemens Energy Inc

08/17/17 / #20170232550

Method for solid state additive manufacturing

A method for forming an impact weld used in an additive manufacturing process. The method includes providing a wire having a powder filler metal core located within a sheath. The wire is then inserted within a conduit having an opening. Further, the method includes providing at least one energy pulse... Siemens Energy Inc

08/17/17 / #20170233277

Non-scaling wet air oxidation system and process

There is provided a system and a method for regenerating a material that reduce the incidence of scaling due to scale forming contaminants. The method may include reducing a temperature of a treated material exiting a wet air oxidation unit in a scale reducing heat exchanger prior to delivery of... Siemens Energy Inc

08/17/17 / #20170234219

Syngas burner system for a gas turbine engine

A fuel burner system (10) for a turbine engine (12) configured to operate with syngas fuel, whereby the fuel burner system (10) is configured to reduce nozzle and combustor basket temperatures is disclosed. The fuel burner system (10) may include a plurality of first and second fuel injection ports (16)... Siemens Energy Inc

08/17/17 / #20170238101

Optical fiber based microphone array for detecting acoustic emissions generated by an area of interest

A microphone array for detecting acoustic emissions generated by equipment. The array includes at least one grid having a plurality of sensors each including a compact arrangement of optical fiber having first and second optical fiber ends wherein the first optical fiber end of a first sensor is terminated. The... Siemens Energy Inc

08/10/17 / #20170225278

Braze alloy compositions and brazing methods for superalloys

A multi-component braze filler alloy comprising at least 70% by weight MarM509A superalloy with the remainder MarM509B superalloy is diffusion brazed to a CM247 alloy base substrate, such as a gas turbine blade or vane. It is shown that generally higher braze temperatures lead to improved results including the possibility... Siemens Energy Inc

08/03/17 / #20170216959

Method of impact welding repair of hollow components

A method of impact welding a flyer to a hollow component is provided. The method includes providing the component made of a first material and including a cavity where a weld site is disposed on a first side of the component. An incompressible material is packed against a second side... Siemens Energy Inc

08/03/17 / #20170218782

Modular turbine blade with separate platform support system

A modular turbine blade assembly (10) usable in a gas turbine engine (12) and formed from an airfoil (28) and an independent, modular platform (16) supported by one or more clevis arm supports (14) extending radially inward from the modular platform (16) to a disk is disclosed. The clevis arm... Siemens Energy Inc

08/03/17 / #20170218788

Gas turbine engine with a turbine blade tip clearance control system

A gas turbine engine (10) having a turbine blade tip clearance control system (12) for increasing the efficiency of the engine (10) by reducing the gap (14) between turbine blade tips (16) and radially outward ring segments (18) is disclosed. The turbine blade tip clearance control system (12) may include... Siemens Energy Inc

08/03/17 / #20170219212

Cooling system for fuel nozzles within combustor in a turbine engine

A cooling system (10) for a fuel system in a turbine engine (14) that is usable to cool a fuel nozzle (16) is disclosed. The cooling system (10) may include one or more cooling system housings (18) positioned around the fuel nozzle (16), such that the cooling system housing (18)... Siemens Energy Inc

08/03/17 / #20170219533

Systems and inspection of electric generator rotor slot wedges in-situ and methods of using the same

System, methods, and devices for inspecting generator rotor slot wedges in-situ are provided. The system includes a controller operably connected to a remote-control carriage for transmitting control signals and receiving data. The carriage includes a drive module for moving the carriage into an inspection area, e.g., through an air gap... Siemens Energy Inc

08/03/17 / #20170219814

Single-axis inspection scope with anti-rotation extension and internal inspection of power generation machinery

Internal components of power generation machinery, such as gas turbine engines, are inspected with a spherical, optical-camera inspection system, mounted within a camera housing on a distal end of a compact diameter, single-axis inspection scope. The inspection scope includes nested, non-rotatable telescoping tubes, which define an extension axis. Circumscribing, telescoping... Siemens Energy Inc

08/03/17 / #20170219815

Single-axis inspection scope with bendable knuckle and internal inspection of power generation machinery

Internal components of power generation machinery, such as gas turbine engines, are inspected with a spherical, optical-camera inspection system, mounted within a camera housing on a distal end of a compact diameter, single-axis inspection scope. The inspection scope includes nested, non-rotatable telescoping tubes, which define an extension axis. Circumscribing, telescoping... Siemens Energy Inc

07/27/17 / #20170211811

Transition duct system with arcuate ceramic liner for delivering hot-temperature gases in a combustion turbine engine

A transition duct system (10) for delivering hot-temperature gases from a plurality of combustors in a combustion turbine engine is provided. The system includes an exit piece (16) for each combustor. The exit piece may include an arcuate connecting segment (36). An arcuate ceramic liner (60) may be inwardly disposed... Siemens Energy Inc

07/13/17 / #20170198912

Can-annular combustor burner with non-uniform airflow mitigation flow conditioner

Can-annular burners for gas turbine engines with flow conditioners having locally varying, asymmetrical patterns of circumferential perforations, to promote uniform fuel-air mixture among all premixers in the burner basket. Any one or more of the perforation pattern, pattern density, perforation profiles and perforation cross sectional area is locally varied to... Siemens Energy Inc

06/29/17 / #20170182575

Ni-ti-cr near ternary eutectic alloy for gas turbine component repair

A ternary near eutectic alloy of Ni, Ti, Cr is described having a relatively low melting temperature of approximately 1230 deg. C. or less, suitable for fusing cracks in turbine blades and vanes without substantial risk of cracking during the repair process. Such an alloy is suitable for low temperature... Siemens Energy Inc

06/22/17 / #20170174583

Catalytic process stream treatment

Catalytic systems and methods for treating process streams are disclosed. Catalytic wet oxidation and hydrolysis techniques may be used to treat one or more undesirable constituents such as HPAM and KHI. Methane may be produced in connection with at least some embodiments.... Siemens Energy Inc

06/22/17 / #20170176265

Method for determining waveguide temperature for acoustic transceiver used in a gas turbine engine

A method for determining waveguide temperature for at least one waveguide of a transceiver utilized for generating a temperature map. The transceiver generates an acoustic signal that travels through a measurement space in a hot gas flow path defined by a wall such as in a combustor. The method includes... Siemens Energy Inc

06/15/17 / #20170170682

Distributed wireless sensor network and methods of using the same

A wireless monitoring system and method of using the same is provided. The monitoring system includes a controller, wireless node assembly (WNA), and light emitting means. The controller is connected to the light emitting means for controlling its operation in response to messages received from the WNA. The messages may... Siemens Energy Inc

06/08/17 / #20170157721

Braze alloy compositions and brazing methods for superalloys

A multi-component braze filler alloy comprising 60-70% by weight CM247 superalloy and BRB braze alloy is diffusion brazed to a CM247 alloy base substrate, such as a gas turbine blade or vane. The substrate/braze interface may be subsequently weld-repaired without de-melting and migrating the braze alloy from the interface. The... Siemens Energy Inc

05/25/17 / #20170146242

Fuel nozzle having respective arrays of pre-mixing conduits with respective vortex generators

A fuel nozzle including vortex generating features for use in a combustion turbine engine is provided. An array of inner pre-mixing conduits (20) extends between an inlet end (14) and an outlet end (16) of the nozzle. An array of outer pre-mixing conduits (22) may be disposed radially outwardly relative... Siemens Energy Inc

05/25/17 / #20170145839

Transition duct system with a robust converging flow joint at an intersection between adjacent transitions extending between a combustor and a turbine assembly in a gas turbine engine

A transition duct system (110) for routing a combustion exhaust gas flow from a combustor (112) to the first stage (114) of a turbine section (116) in a combustion turbine engine (118) is disclosed, whereby the system (110) imparts a circumferential vector to the combustion exhaust gases expelled from the... Siemens Energy Inc

05/25/17 / #20170145847

Interstage seal housing optimization system in a gas turbine engine

An interstage seal system (10) for adjusting the position of an interstage seal during operation of a gas turbine engine (14) to increase efficiency of the seal (12) is disclosed. The interstage seal system (10) may include a interstage seal housing (16) formed from a circumferentially extending housing having a... Siemens Energy Inc

05/18/17 / #20170138264

Gas turbine engine with rotor centering cooling system in an exhaust diffuser

A gas turbine engine (10) having a rotor centering cooling system (12) for cooling struts (14) within an exhaust diffuser (16) and turbine case to reduce tip rub during hot restarts is disclosed. In particular, the rotor centering cooling system (12) may be positioned within struts (14) in the exhaust... Siemens Energy Inc

05/11/17 / #20170129712

System and servicing a rotor of a generator using a carriage steering device

A system and method for servicing a rotor of a generator are presented. The system includes a carriage for carrying the rotor. At least one carriage steering device are arranged on the carriage for steering the carriage when traversing along a removal skid during servicing the rotor. The carriage steering... Siemens Energy Inc

05/11/17 / #20170130595

Converging flow joint insert system at an intersection between adjacent transitions extending between a combustor and a turbine assembly in a gas turbine engine

A transition duct system (100) for routing a gas flow from a combustor (102) to the first stage (104) of a turbine section (106) in a combustion turbine engine (108), wherein the transition duct system (100) includes one or more converging flow joint inserts (120) forming a trailing edge (122)... Siemens Energy Inc

05/11/17 / #20170130608

Turbine assembly with detachable struts

A turbine assembly having an outer casing (36), an inner structural ring (38), and an annular gas path (42) defined between outer and inner flow path walls (44, 46) for conducting a gas flow through the turbine assembly. A plurality of structural struts (52) are spaced apart in a circumferential... Siemens Energy Inc

05/04/17 / #20170122566

Mechanical attachment of support housing rocket

A field configurable support housing assembly 10 is provided. The support housing assembly comprises a support housing base 20 and a cylindrical hollow fuel rocket 40. The support housing base 20 includes at least one through hole. The cylindrical hollow fuel rocket 40 includes a nozzle tip 50 positioned such... Siemens Energy Inc

04/27/17 / #20170113302

Method of forming a cladding layer having an integral channel

A method including: submerging a ceramic preform (10) in a layer (12) of powdered superalloy material (14), wherein the preform defines a desired shape of a channel (60, 62, 64, 78) to be formed in a layer (42) of superalloy material; melting the powdered superalloy material around the preform without... Siemens Energy Inc

04/27/17 / #20170114652

Converging flow joint insert system at an intersection between adjacent transitions extending between a combustor and a turbine assembly in a gas turbine engine

A transition duct system for routing a gas flow from a combustor to the first stage of a turbine section in a combustion turbine engine, wherein the transition duct system includes one or more converging flow joint inserts forming a trailing edge at an intersection between adjacent transition ducts is... Siemens Energy Inc

04/27/17 / #20170114717

Axial stage combustion system with exhaust gas recirculation

A method of operating an axial stage combustion system in a gas turbine engine (12) including an EGR system (14) that extracts a portion of exhaust gas produced by the gas turbine engine (12) to a second axial stage of a combustor (18). The extracted exhaust gas is provided at... Siemens Energy Inc

Patent Packs
04/20/17 / #20170106474

Method of weld cladding over openings

A method including spanning a relatively larger opening (50) with a support structure (72) to divide the larger opening into a plurality of relatively smaller openings (78); placing superalloy powder across the smaller openings and in contact with the support structure; and melting the superalloy powder to form a cladding... Siemens Energy Inc

04/13/17 / #20170101886

Disc cavity thermocouple upgrade

An arrangement to prevent thermocouple chafing with a guide tube within a rotor disc cavity during gas turbine operation is provided. The arrangement includes an interstage seal housing, a guide tube, and a thermocouple including a tip portion, an elongated portion, a head portion, and an antichafing strip. The guide... Siemens Energy Inc

04/13/17 / #20170101893

Airfoil cooling with internal cavity displacement features

A turbine airfoil including a central cavity defined by an outer wall including pressure and suction sides extending between and joined at leading and trailing edges, and a chordal axis extends generally centrally between the pressure and suction sides. Rib structures located in the central cavity define radial central channels... Siemens Energy Inc

03/30/17 / #20170087630

Turbine airfoil cooling system with leading edge impingement cooling system turbine blade investment casting using film hole protrusions for integral wall thickness control

A method of forming an airfoil (12), including: abutting end faces (72) of cantilevered film hole protrusions (64) extending from a ceramic core (50) against an inner surface (80) of a wax die (68) to hold the ceramic core in a fixed positional relationship with the wax die; casting an... Siemens Energy Inc

03/30/17 / #20170089203

End wall configuration for gas turbine engine

A contoured turbine airfoil assembly including an end wall (30a) formed by platforms (30) located circumferentially adjacent to each other, and a row of airfoils (34a, 34b) integrally joined to the end wall (30a) and spaced laterally apart to define flow passages (46) therebetween for channeling gases in an axial... Siemens Energy Inc

03/30/17 / #20170089207

Turbine airfoil cooling system with leading edge impingement cooling system and nearwall impingement system

A turbine airfoil (10) usable in a turbine engine and having an internal cooling system (14) with a leading edge impingement channel (16) for enhanced cooling of the leading edge (18) of the turbine airfoil (10) without a leading edge film cooling showerhead array is disclosed. The internal cooling system... Siemens Energy Inc

03/30/17 / #20170089264

Spiral cooling of combustor turbine casing aft plenum

A spiral cooling system for cooling an aft turbine casing of a gas turbine engine. The gas turbine engine includes a turbine casing having a fore end and an aft end, a star bearing support member supporting a bearing housing and including a plurality of struts each mounted to an... Siemens Energy Inc

03/30/17 / #20170089577

Method and system for igniter health monitoring in a gas turbine engine

Techniques for monitoring health of an igniter (202) in a gas turbine engine (201) include a sensor (270) mounted to detect signals in a combustor (260) and a processor (180) in electrical communication with the sensor. The processor is configured to receive (601) from the sensor first data that indicates... Siemens Energy Inc

03/30/17 / #20170089767

Multi-functional sensor system for gas turbine combustion monitoring and control

Thermoacoustic sensors, such as dynamic pressure sensors, in the combustor measure vibratory responses of the combustor. An integrated monitoring and control system controller correlates sensor readings with combustion thermoacoustic properties in order to identify combustion anomalies by wavelet or Fourier analysis techniques; determine bulk temperature characteristics within the combustor with... Siemens Energy Inc

03/23/17 / #20170080508

Formation and repair of oxide dispersion strengthened alloys by alloy melting with oxide injection

Melting energy exemplified by an arc (24) is delivered to a metal alloy material (22, 23), forming a melt pool (26). A metal oxide material (34) is delivered (33) to the melt pool and dispersed therein. The melting energy and oxide deliveries are controlled (44) to melt the alloy material,... Siemens Energy Inc

03/23/17 / #20170080526

Additive manufacturing using cast strip superalloy material

A method of additive manufacturing, including: placing a layer (10) of strip-cast superalloy sheet material over a subcomponent (12) leaving a gap (20) between the layer and the subcomponent; and creating a weldment (14) to the layer. Shrinkage in the layer caused by the weldment is accommodated by a decrease... Siemens Energy Inc

03/23/17 / #20170081250

Method of forming a thermal barrier coating having a porosity architecture using additive manufacturing

A method, including: laser heating heat-source material (18) disposed in ceramic material (16); and sintering the ceramic material using heat energy generated in the heat-source material by the laser heating to form sintered ceramic (32) having inconsistencies (40) caused by the heat-source material.... Siemens Energy Inc

03/23/17 / #20170081960

Turbine airfoil cooling system with platform cooling channels

A cooling system (10) positioned within a turbine airfoil (12) useable in a turbine engine and having cooling channels (16) positioned within a platform (18) of the turbine airfoil (12) with exhaust outlets (20) at the pressure and suction side edges (22, 24) to prevent hot gas ingestion under the... Siemens Energy Inc

03/23/17 / #20170082024

Independently controlled three stage water injection in a diffusion burner

A turbine engine combustion system is disclosed including a fuel nozzle assembly having three independently controlled stages of water injection. A first stage includes water mixed with a gaseous fuel upon inlet to the nozzle, where the first stage water mixes and travels with the gaseous fuel to be injected... Siemens Energy Inc

03/23/17 / #20170082032

Method and system for thermal expansion compensation in heated flow characterization

Techniques for a chamber, such as gas turbine engine (100), surrounding a heated fluid include a sensor (150) mounted in a first wall (228b, 229b) of the chamber to detect phenomenon inside the chamber and a processor (702). The processor is in electrical communication with the sensor and is configured... Siemens Energy Inc

Patent Packs
03/23/17 / #20170085760

Method and verifying lighting setup used for visual inspection

A method for verifying a lighting setup used for inspecting a micro defect. The method includes simulating a scene including a micro defect, light source and imaging device. A position of the light source and imaging device is then optimized to form an optimized simulated setup for viewing micro defect.... Siemens Energy Inc

03/16/17 / #20170072514

Structural braze tape

A braze tape (12) useful with superalloy materials. In one embodiment, the tape includes a layer (14) containing superalloy powder (22) in a binder (24), and a layer (16) containing boron and silicon free braze material powder (32) in a binder, joined together by a layer (18) of doubled-sided adhesive... Siemens Energy Inc

03/16/17 / #20170074172

Ejector based external bleed system for a gas turbine engine

A method and system for providing a cooling flow from a compressor to a turbine in a gas turbine engine. First, second and third cooling air flows are provided from the compressor through respective ejectors as external bleed air flows to stages of the turbine. A first ejector combines a... Siemens Energy Inc

03/09/17 / #20170066022

Methods for removing tramp elements from alloy substrates

Methods are disclosed for cleaning a near surface region of an alloy substrate (10) in the presence of a flux material (12). A flux material is melted on the surface of the alloy substrate to a temperature sufficient to permit a reaction of the flux material with at least one... Siemens Energy Inc

03/09/17 / #20170066091

Flux and process for repair of single crystal alloys

A flux material that provides a heat outflow control layer of slag (30) on a melt pool (20) that suppresses lateral heat outflow (27) and facilitates uniaxial heat outflow (26A-D) from the melt pool at a rate that causes unidirectional crystallization in the melt pool to match a crystal direction... Siemens Energy Inc

03/09/17 / #20170070686

Flash thermography borescope

A flash thermography device for generating an infrared image of each of a plurality of rotating turbine components located inside a turbine. The device includes an infrared sensor for detecting thermal energy radiated by each component. The device also includes a borescope having a viewing end located on a longitudinal... Siemens Energy Inc

03/02/17 / #20170057024

Method for holding brazing material during a brazing operation

A method for holding a sintering filler material during a brazing/sintering operation for repairing a damaged area of a component wherein the component is in either a bonding face down position, bonding face vertical position or bonding face up position. The method includes providing a wire mesh and attaching the... Siemens Energy Inc

03/02/17 / #20170058678

Integrated circuit cooled turbine blade

A turbine rotor blade includes at least two integrated cooling circuits that are formed within the blade that include a leading edge circuit having a first cavity and a second cavity and a trailing edge circuit that includes at least a third cavity located aft of the second cavity. The... Siemens Energy Inc

03/02/17 / #20170058681

Removably attachable snubber assembly

A removably attachable snubber assembly for turbine blades includes a turbine blade airfoil including a trailing edge and a leading edge joined by a pressure side and a suction side to provide an outer surface extending in a radial direction to a tip. At least one snubber attachment platform is... Siemens Energy Inc

03/02/17 / #20170059529

Adaptive additive manufacturing process using in-situ laser ultrasonic testing

An additive manufacturing process, including: selectively-heating a layer of powder (18) to form a solid deposit layer (10) having a solid deposit (28), where the solid deposit layer constitutes part (24) of a component, via a selective laser heating process; propagating ultrasonic energy waves (50, 60) through the solid deposit... Siemens Energy Inc

02/23/17 / #20170051944

Remotely adjustable ventilation orifice plate

A remotely adjustable orifice plate arrangement for a generator is provided. The arrangement includes an enclosed generator with an interior wall including an orifice through which a fluid flows. The arrangement also includes a first plate including an orifice and a remotely controllable motor. The first plate is coupled to... Siemens Energy Inc

02/16/17 / #20170043436

Process and cooling a metal part during a welding operation

A process and apparatus are provided for cooling an airfoil of a blade during a welding repair operation on the airfoil. At least one polymeric pouch is positioned adjacent a surface of the airfoil, and a coolant fluid is passed through the polymeric pouch during the repair operation on the... Siemens Energy Inc

02/09/17 / #20170037739

Gas turbine engine component with performance feature

A gas turbine engine component (50, 100, 150, 160, 174, 206, 236), including: a surface (54) subject to loss caused by a wear instrument during operation of the component in a gas turbine engine and a performance feature (80, 82, 102, 152, 162, 172, 200, 230) associated with the surface.... Siemens Energy Inc

02/02/17 / #20170030267

Sealing arrangement for gas turbine transition pieces

A sealing arrangement for sealing between adjacent first and second exit frames each associated with a transition piece of a turbine. The arrangement includes a transition side seal having bristles that extend from a rail wherein the rail is bendable in a plurality of directions to accommodate bowing of an... Siemens Energy Inc

02/02/17 / #20170030767

Ultrasonic scanning device having a fluid pad

An ultrasonic scanning device for scanning a turbine component. The device includes an ultrasonic transducer attached to a moveable fluid distribution block, wherein the block includes a block opening and an internal passageway for receiving a fluid. The device also includes a fluid pad having a fluid pad opening that... Siemens Energy Inc

02/02/17 / #20170032295

Human and organizational resilience matrix

A method for designing a resilient organizational process includes determining a failure event, identifying one or more factors that the failure event is attributable to, analyzing the identified factors to determine a corrective process step for each factor, and mapping each of the corrective process steps to occupy a specific... Siemens Energy Inc

02/02/17 / #20170033631

Method for roebel transposition of form wound conductors of electrical machines such as generators and motors

A method for Roebel transposition of form wound conductors for electrical machines is disclosed which creates less distortion of strand geometry and more efficiently stacks the conductor strands. The transposition involves four stacks of conductors, where two conductor strands from a top position in the first two adjacent stacks of... Siemens Energy Inc

02/02/17 / #20170033644

Air gap baffle train for turbine generator

A baffle train for turbine generator air baffles independently aligns axial position of the composite air baffle along a stator core bore axial slot. Air baffle sectors that form the composite air baffle are coupled to baffle blocks of the baffle train. The baffle blocks are positioned axially along at... Siemens Energy Inc

01/26/17 / #20170024294

Fault tolerant systems and using the same

Systems and methods for resolving fault detection in a control system is provided. The system includes an I/O module operably connected to a first, second, and third microcontroller for transmitting data. The first microcontroller is in an active state, i.e., in control, while the remaining controllers are in an idle... Siemens Energy Inc

01/19/17 / #20170014956

Slag free flux for additive manufacturing

A flux (55) for superalloy laser welding and additive processing (20, 50), including constituents which decompose when heated in a laser induced plasma or to a melt temperature of the superalloy (42), creating one or more gases (46) that blanket the melt to protect it from air, while producing not... Siemens Energy Inc

01/19/17 / #20170016333

Flux mediated deposition of metallic glass

A method and resulting gas turbine engine component (40) having a protective layer of metallic glass (14) deposited over a superalloy substrate (12). A further layer of ceramic insulating material (42) may be deposited over the metallic glass. The metallic glass functions as a bond coat to provide thermal insulation... Siemens Energy Inc

01/19/17 / #20170016396

Acoustic measurement system incorporating a temperature controlled waveguide

For a gas turbine engine (10), a method and apparatus for determining temperature of combustion gas in a flow path (17) of the engine. In one embodiment a waveguide (30) includes a cavity (36) with a first waveguide end (32) including a barrier layer (58) which may be a membrane.... Siemens Energy Inc

01/19/17 / #20170016774

Disc cavity thermocouple

A thermocouple and a method for making the thermocouple. The thermocouple includes a thermocouple element shaft and at least one sleeve coupled to the thermocouple element shaft in at least one location of the thermocouple element shaft that is expected to experience wear.... Siemens Energy Inc

01/19/17 / #20170016779

Acoustic measurement system incorporating a hybrid waveguide providing thermal isolation

A gas turbine engine (10) including a hybrid waveguide (84) for placement adjacent a flow path (17) for hot combustion gases in the engine. The waveguide includes first and second opposing ends (88, 90), and comprises a first section (100) formed of a first material extending from a transition region... Siemens Energy Inc

01/19/17 / #20170018984

Radial lead seal assembly for a generator and a radial lead seal assembly of a generator

A retrofit method for modifying a radial lead seal assembly of a generator and a radial lead seal assembly of a generator are presented. The radial lead seal assembly seals a radial chamber from an axial chamber. The radial lead seal assembly includes sealing elements disposed around a radial lead... Siemens Energy Inc

01/19/17 / #20170018988

Radial lead seal assembly for a generator and method incorporating the same

A radial lead seal assembly of a generator and a method for sealing a radial chamber from an axial chamber of a generator using a radial lead seal assembly are presented. The radial lead seal assembly includes sealing elements disposed around a radial lead to seal an annular space between... Siemens Energy Inc








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