A machine includes a rotor supported for rotation about a rotational axis, an outer casing having an inner bore, and an inner casing disposed within the inner bore and surrounding a portion of the rotor, the inner casing including a first joint interface. A head member is disposed within the inner bore and includes a first joint interface that engages a second joint interface to form a joint therebetween. A compliant element is formed as part of the first joint interface and arranged to allow for movement of the second joint interface along the rotational axis in response to the thermal expansion of the inner casing.
The present method refers to a significantly improved method of monitoring facilities containing complex devices utilizing an improved artificial intelligence-based system. The inventive method allows to significantly support person tasked with interacting, monitoring and controlling said complex devices not only providing an improved efficiency, but also an improved security. Furthermore, the present invention refers to a corresponding monitoring device, an upgrade kit, a computer program product and a storage device containing such computer program product.
A switch, includes electrical contacts separated by a contact gap, a tubular guide disposed around at least one of the electrical contacts axially movable between an open position retracted from the contact gap and a closed position bridging the contact gap, a blast cylinder disposed radially outward of the tubular guide and defining a compression volume therebetween, the blast cylinder axially movable in coordination with the tubular guide between the open position and the closed position, an isolating ring coupled to a tubular guide end, and a blast cylinder bottom ring coupled to a blast cylinder end, the blast cylinder bottom ring and the isolating ring configured to engage each other to form a gas seal to prevent a gas from exiting the contact gap into the compression volume when the blast cylinder and the tubular guide are moved to the closed position.
H01H 33/90 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by, or in conjunction with, the contact-operating mechanism
H01H 33/91 - Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by, or in conjunction with, the contact-operating mechanism the arc-extinguishing fluid being air or gas
4.
GAS TURBINE ENGINE WITH TURBINE VANE CARRIER COOLING FLOW PATH
A gas turbine engine includes an outer casing, an inner casing surrounded by the outer casing, the inner casing and the outer casing defining a casing cavity therebetween. A blower is disposed external of the outer casing and operable to blow into a cooling flow. A turbine vane carrier is disposed internal of the inner casing. A turbine vane carrier cooling flow path is arranged to direct the cooling flow into contact with the turbine vane carrier.
A power supply system for use in a subsea environment includes an external power source operable to deliver a power input. A main circuit breaker is movable between a closed position and an open position. A subsea power switching unit (SPSU) operates in response to the receipt of the power input to deliver power to a plurality of power outputs, for each power output, the SPSU includes a contactor movable between a closed position and an open position, a sensor operable to generate a measurement indicative of one of a current and a voltage of the power output, and a relay operable to compare the measurement to a first threshold and a second threshold, the relay operable in response to the measurement exceeding the first threshold to move the contactor to the open position, and in response to the measurement exceeding the second threshold to sequentially move the main circuit breaker to the open position, move the contactor to the open position, and move the main circuit breaker back to the closed position.
H02H 3/06 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection - Details with automatic reconnection
H02H 7/26 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
6.
SUBSTATION WITH POWER VOLTAGE TRANSFORMER CONNECTED THROUGH CIRCUIT DEVICE TO HIGH OR EXTRA HIGH VOLTAGE TRANSMISSION LINE
A substation (100) connected to a high or extra-high voltage transmission line (102) is disclosed. The substation includes a power line (104) and a circuit device (108) electrically connected by way of the power line to the transmission line. The circuit device is responsive to a faulty condition that can arise during operation of the substation. A power voltage transformer (110) is electrically connected to the circuit device to supply low voltage power directly transformed from the high or the extra high voltage received by the power voltage transformer from the circuit device. Example applications that can benefit from disclosed embodiments include applications for establishing a low voltage electrical power distribution in a rural or semi-rural area, such as may be used to power electric vehicle charging stations, sites involving telecommunication equipment (e.g., arrays of 5G antennas), or effective for village electrification.
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 9/02 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
H02B 7/01 - Enclosed substations, e.g. compact substations gas-insulated
H02B 7/06 - Distribution substations, e.g. for urban network
7.
MULTIWALL CERAMIC CORE AND METHOD OF MAKING A MULTIWALL CERAMIC CORE USING A NON-SINTERABLE CERAMIC FUGITIVE
A multiwall ceramic core (10) and method of making a multiwall ceramic core (10) using a non-sinterable ceramic fugitive, involving a main body portion (64) comprising a ceramic having a sintering temperature, and a non-sinterable ceramic fugitive arranged within and encapsulated by the main body portion (64), the non-sinterable ceramic fugitive having a sintering temperature above the sintering temperature of the ceramic, and the non-sinterable ceramic fugitive occupying a volume defining an internal geometry portion (66) of the multiwall ceramic core (10).
A multiwall ceramic core (10) and method of making a multiwall ceramic core (10) using a polymer fugitive, involving a main body portion (64) comprising a ceramic having a sintering temperature, and a polymer fugitive arranged within and encapsulated by the main body portion (64), the polymer fugitive having a melting temperature below the sintering temperature of the ceramic but above a temperature required to partially sinter and densify the ceramic, and the polymer fugitive occupying a volume defining an internal geometry portion (66) of the multiwall ceramic core (10).
Improved coupling joints configured to interconnect and transmit torque between adjacent impeller bodies in a turbomachine are provided. A plurality of impeller bodies is stacked on a tie bolt. A respective coupling joint is defined by features in adjacent impeller bodies to couple to one another the adjacent impeller bodies. The coupling joint involves a pair of corresponding axially engaging faces and a pair of corresponding radially engaging faces that define a coupling pilot fit. A torque transmitting arrangement is interposed between the axially engaging faces and radially engaging face. The pair of axially engaging faces in operation defines a compressed joint effective to form a seal between the pair of axially engaging faces to inhibit leakage of a process fluid being processed in the compressor section of the turbomachine. This allows elimination of separate seal arrangements, such as otherwise could involve sleeves with O-rings, etc.
A valve assembly for a reciprocating gas compressor includes a seat (310), a guard plate (312) attached to the seat, elements (702), and springs (610). The seat (310) defines inlet openings (404), each inlet opening extends through the seat along a central longitudinal axis of each inlet opening. The guard plate (312) defines element bores (506), each element bore aligning with one of the inlet openings along the central longitudinal axis. Each element (702) includes a first end with a first recessed surface (714) and a second end with a second recessed surface (712), the first end and the second end cooperating to define a cylindrical shape (706) therebetween, and an extension (708) protruding outward from the outer diameter of the element. Each element (702) is positioned within one of the element bores (506) and movable between an open position in which the element contacts the guard plate (312) and a closed position in which the element contacts the seat (310).
A sensor arrangement for a gas-insulated switchgear is provided. The sensor arrangement includes a connector having a housing defining a hollow interior, a current conductor passing through the interior of the housing, a low power instrument transformer, a shielding field electrode, and a resin. The low power instrument transformer includes an electrode having a ring shape and including a voltage sensor for measuring a voltage of the current conductor. The low power instrument transformer also includes a current sensor positioned to measure a current of the current conductor. The shielding field electrode is disposed between the current sensor and the current conductor. The resin cooperates with and surrounds the current conductor, the voltage sensor, the current sensor and the shielding field electrode to fill the hollow interior.
G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
A detection system for detecting a transient overvoltage event in an electrical system that operates at a system frequency includes an analog circuit connected to the electrical system and having a high pass filter operable to allow for the passage of a transient voltage signal having a signal frequency greater than the system frequency. A digital circuit includes an analog to digital convertor that operates to convert the transient voltage signal to a digital transient voltage signal and a microprocessor operable to receive the digital transient voltage signal, to direct the digital transient voltage signal to a data storage device for storage in an overvoltage database, and to reset the analog circuit. A computer system is operable to output the data stored in the overvoltage database.
A repair system for use in repairing a component includes an elongated repair tool having a first end that supports an electrode and a second end opposite the first end. A camera has a field of view and is fixedly attached to the elongated repair tool such that the electrode is within the field of view. A power supply is coupled to the electrode and is operable to deliver an electrical current to the electrode, the electrical current sufficient to form an arc between the electrode and the component to remove material from the component, where the second end of the elongated repair tool is movable to position the electrode in a desired position.
A combustor (202)includes a transition duct (212) having a transition duct liner (224) defining an opening (226) that extends through the transition duct liner, a secondary fuel injector (300) disposed in the opening. The secondary fuel injector (300) has an inner shell (306) arranged to define an inner space; an outer shell (304) cooperating with the inner shell (304)to define an outer space that is annular; a plurality of inner flow guides (312) positioned within the inner space and arranged around the inner shell, each inner flow guide arranged to turn a first mixture of fuel and air in one of a clockwise and counterclockwise direction around the inner shell, a plurality of outer flow guides (310) positioned within the outer space and arranged around the inner shell, each outer flow guide arranged to turn a second mixture of fuel and air in the other of the clockwise and counterclockwise direction around the inner shell.
C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
A locking spacer assembly (300) for filling a final spacer slot (210) in a disk groove (208) between platforms (204) of adjacent rotating blades (118) in a gas turbine engine (100) includes a first side piece (302) having a first outer surface (404) and a first recess (412) formed inward of the first outer surface, a second side piece having a second outer surface (504) and a second recess (512) formed inward of the second outer surface, a mid-piece (306) disposed between and in contact with the first side piece and the second side piece. The mid- piece includes a base (602) and a head (604) and a mid-body (606) between the base and the head. The base has a dovetail shape that engages with the first side piece and the second side piece. The mid- piece, the first side piece, and the second side piece are movable between a pre-assembled arrangement in which the head is partially disposed into the first recess and the second recess and is completely below the first outer surface and the second outer surface and an assembled arrangement in which the head is flush with the first outer surface and the second outer surface. A fastener (308) is partially disposed within the mid-piece and operable to move the mid-piece, the first side piece and the second side piece between the pre- assembled arrangement and the assembled arrangement, in which the fastener is in contact with a surface of the disk groove. A method for installing the locking spacer assembly is also disclosed.
A generator injection tool is provided. The generator injection tool injects an adhesive into a generator that includes a rotor positioned within a stator having a stator vent, the stator and rotor having a gap therebetween. The generator injection tool includes a first carriage sized to fit within the gap, a tube, a first motor, a controller, and an adhesive source. An end of the tube is movable between a first position in which the end is outside of the stator vent and a second position within the stator vent. The first motor is operable to move the tube between the first position and the second position. The controller is operable to selectively activate the first motor to position the end of the tube within the stator vent. The adhesive source moves the adhesive through the tube end to inject a portion of the adhesive into the stator vent.
An electric machine includes laminations stacked along a longitudinal axis to define a stator core. The laminations cooperate to define a plurality of slots that extend in a direction parallel to the longitudinal axis, and include a first lamination, a second lamination, and an insulation layer between the first lamination and the second lamination. A plurality of windings is disposed in the plurality of slots, the plurality of windings operable to conduct a current at a desired voltage and a desired frequency. A sensor coil surrounds a portion of the laminations and conducts a first signal. A detector is electrically connected to the sensor coil to measure the first signal and to compare the first signal to a second signal, a difference between the first signal and the second signal being indicative of a short circuit between the first lamination and the second lamination.
System and method utilizing thermochemical energy storage for abatement of volatile organic compounds (VOCs) are provided. The system includes a thermochemical energy storage module cyclically operable in a discharging cycle and in a charging cycle. Abatement of VOCs may be performed in either cycle. Disclosed embodiments are expected to provide a zero-added carbon VOC abatement system that in certain situations can operate uninterruptedly 24/7 with the flexibility to facilitate consumption of energy during periods of inexpensive rates for electricity.
B01D 53/02 - Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography
A system includes a reservoir comprising a top and a bottom and a first pump assembly comprising a first sump portion extending downwardly through a top opening at least partially into the reservoir and having a first sump end for submerging below a surface of a first fluid in the reservoir. The system further includes a first skirt extending around the first sump portion downwardly from the top to define a skirt volume within the reservoir, the first skirt having a skirt lower portion for submerging below the surface of the first fluid in the reservoir and spaced away from the bottom of the reservoir to permit a flow of the first fluid to the first sump end and having a skirt upper portion forming a seal with the top to limit a flow of a second fluid disposed above the first fluid from entering the skirt volume.
F01M 1/12 - Closed-circuit lubricating systems not provided for in groups
F16N 7/00 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
F16N 7/38 - Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
21.
SYSTEM AND METHOD OF CONSTRUCTING A PLANT ON A POWER ISLAND
A power system includes an offshore power generation source, an artificial island formed in proximity to the offshore power generation source and a power conditioning module formed as a single movable unit and positioned on the artificial island to receive power from the offshore power generation source. A power to gas module is formed as a single movable unit and positioned on the artificial island to receive power from the power conditioning module and produce a combustible gas, an energy consumer module formed as a single movable unit and positioned on the artificial island to consume power from the power conditioning module, and one of a storage system and a pipeline is coupled to the power to gas module and is operable to one of store and deliver the combustible gas to a combustible gas user.
F03B 13/14 - Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
E02B 17/00 - Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs; Construction methods therefor
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
22.
WATER TREATMENT SYSTEM AND METHOD INCLUDING A DRAFT TUBE SYSTEM AND EDUCTOR
A filter apparatus includes a vessel, a filter media positioned in the vessel, a feed inlet positioned in the vessel above the filter media, and a knockout pot coupled to the vessel and arranged to collect a gas discharged from the vessel. The apparatus also includes a draft tube positioned in the vessel and filled with the filter media and an eductor including a fluid inlet, a fluid suction port, and a fluid outlet directed into the draft tube, a first fluid supply coupled to the fluid inlet to deliver a flow of a first fluid, and a conduit arranged to connect the knockout pot to the fluid suction port. The eductor operates to draw a portion of the gas into the eductor in response to the flow of the first fluid, the first fluid and the gas forming a backwash mixture that is discharged into the draft tube via the fluid outlet to induce a roll of the filter media during a backwash process.
A method of determining the cause of a main event includes gathering system operational data from a sequence of events datastore, the operational data including a plurality of events, each event including a value and a time stamp. The method also includes identifying the main event from the plurality of events, the main event including a main value and a main time stamp, copying a system control system's program to create an offline control system, and using the offline control system, detecting within the operational data, precursor events, each precursor event including a precursor value and a precursor time stamp that indicates that the precursor event occurred prior to the main event, each precursor event being capable of contributing to the occurrence of the main event, and determining which precursor event caused the main event.
A power plant (100) is provided including a heat recovery steam generator (104) positioned to receive a flow of an exhaust gas and having a heating surface, an exhaust gas recirculation line (106) branching off at an extraction point (116) within the heat recovery steam generator and opening into the heat recovery steam generator at an injection point (118) upstream of the extraction point within the heat recovery steam generator, a thermal storage system (112) arranged between the extraction point and the injection point in the exhaust gas recirculation line (106) wherein the thermal energy storage system stores thermal energy, and a blower (108) arranged in the exhaust gas recirculation (106) line to push air or exhaust gas through the thermal energy storage system (112).
F01K 3/18 - Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
F01K 23/10 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
F22B 1/18 - Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
A method of treating a quantity of water that includes a first level of a contaminant and is discharged from a process includes mixing the water with an effluent having a second level of the contaminant to produce a condensate having a third level of contaminant, the second level being greater than the first level. The method further includes passing the condensate through a reverse osmosis system to produce a permeate having a fourth level of the contaminant and a concentrate having a fifth level of the contaminant that is greater than the fourth level. The method also includes oxidizing the concentrate in an electro-oxidation system to generate the effluent and directing the effluent to a point upstream of the reverse osmosis system to perform the mixing step.
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
An electric machine includes a stator having a stator bore and a stator winding. The stator winding is arranged to one of receive an electrical current and produce an electrical current having a power between 1 MW and 50 MW. The stator has a stator current density of greater than 5 A/mm2. A rotor is at least partially disposed within the stator bore and has a rotor winding. The rotor has a rotor current density of greater than 5 A/mm2. A high-pressure cooling system is operable to actively cool the stator and the rotor. The rotor winding and the stator winding interact to one of produce rotation of the rotor to drive a connected device in response to the receipt of the electrical current and produce the electrical current in response to rotation of the rotor driven by the connected device.
H02K 9/10 - Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
H02K 9/19 - Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
A system (100) for assembling modules includes a first module (102a) having a first set of columns defining a first space. A first column (104a) of the first module defines a first hollow interior (210). The system includes a second module (102b) having a second set of columns defining a second space. A first column (108a) of the second module defines a second hollow interior (226). The system includes a first plate (206) fixed within the first hollow interior (210). The system includes an alignment pin (212) coupled to the first plate (206). The system includes a second plate (222) that has a hole to receive the alignment pin (212) and is engaged with the alignment pin to position the second plate (222) in an aligned position with respect to the first column (104a) of the module. The second plate (222) is fixedly attached to the first column (108a) of the second module in the aligned position within the second hollow interior (226).
F02B 63/04 - Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
B65D 90/00 - Component parts, details or accessories for large containers
E04B 1/348 - Structures composed of units comprising at least considerable parts of two sides of a room, e.g. box-like or cell-like units closed or in skeleton form
E04H 5/02 - Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories
E04B 1/24 - Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
A combustor (200) includes a combustor wall (202) enclosing a hollow interior (204) for passing a flow of combustion gas from an upstream side to a downstream side. The combustor (200) includes an upstream bluff body (216) enclosed by the combustor wall (202). The upstream bluff body (216) includes a first leading edge(306), a first trailing edge (308), and a second trailing edge (310. The first trailing edge (308) and the second trailing edge (310) cooperate to define a first trailing edge plane (314) and a first open end (312). The combustor includes a downstream bluff body (218) enclosed by the combustor wall (202). The downstream bluff body (218) includes a second leading edge (320), a third trailing edge (322), and a fourth trailing edge (324). The third trailing edge (322) and the fourth trailing edge (324) cooperate to define a second open end (326). The first trailing edge plane (314) is parallel to the second leading edge (320) and offsets a constant non-zero distance downstream of the first trailing edge plane (314).
A combustor (120) includes a premixer fuel injector (212) that injects fuel into the combustor and ignites mixture of the fuel and compressed air to produce exhaust gas, a transition duct (210) through which the exhaust gas passes, a secondary fuel injector (222) disposed in an opening of the transition duct for providing further fuel to the exhaust gas, and a collar (400) fixedly coupled to the transition duct and positioned to surround the secondary fuel injector. The collar cooperates with the secondary fuel injector to define an upstream purge path disposed on an upstream side (408a)of the opening and a downstream purge path disposed on a downstream side (408b) of the opening by a flow direction of the exhaust gas that each provides a flow communication between an exterior of the transition duct and an interior of the transition duct. The upstream purge path has a larger flow area than the downstream purge path.
A nondestructive method for a volumetric examination of a blade root of a turbine blade while the turbine blade is installed in a turbine shaft of a steam turbine includes attaching a bracket to the turbine blade, the bracket conforming to the geometry of the turbine blade, positioning an ultrasonic phased array probe within a slot formed in the bracket to enable the probe to translate along the geometry of the turbine blade to a desired position for generation of a scan of a portion of the blade root, generating a scan of the desired position by directing ultrasonic waves via the ultrasonic phased array probe, and capturing reflected ultrasonic waves by a receiver to generate the scan and comparing the scan to a reference scan of the blade root to determine defects within the blade root.
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object - Details
G01N 29/265 - Arrangements for orientation or scanning by moving the sensor relative to a stationary material
A wastewater filter includes a vessel having a bottom and a side wall that cooperate to define a filter space. A first filter media is positioned within the filter space to define a first media layer, and a second filter media different from the first filter media is positioned within the filter space above the first media layer to define a second media layer, the first media layer and the second media layer cooperating to define an interface plane. A draft tube is positioned within the second media layer and has a first end positioned a first non-zero distance above the interface plane, and a second end disposed a second non-zero distance from a top surface of the second media layer. A backwash fluid line is positioned to inject a backwash fluid into the first filter media, and a backwash gas line is positioned to inject a backwash gas into the draft tube.
B01D 24/00 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
B01D 24/10 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
B01D 24/20 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
B01D 24/46 - Regenerating the filtering material in the filter
B01D 24/48 - Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
A weld filler is proposed which significantly improves the weldability of some nickel-based superalloys and includes the following constituents (in wt%): 14.6% - 15.6% chromium (Cr), 10.4% - 11.4% cobalt (Co) 4.6% - 5.0%, molybdenum (Mo), 4.4%-5.2% tungsten (W), 1.4%-1.8% tantalum (Ta), 3.0%-3.7% aluminum (Al), 0.7-1.3% titanium (Ti), 0.14% - 0.16% carbon (C), 0.0425-0.0575% zirconium, 0.7% - 1.2% hafnium (Hf), at most 0.15% iron, at most 0.1 % manganese, at most 0.1% silicon, at most 0.1% vanadium, at most 0.015% boron, trace elements, and remainder nickel.
A power generation system includes a reactor operable to produce a flow of hydrogen and a flow of steam in response to the receipt of a flow of reactant mixture. A combustor is operable to produce a flow of combustion gas in response to the receipt of the flow of hydrogen and a first portion of the flow of steam, a turbine is operable to produce rotation of a first shaft in response to the receipt of the flow of combustion gas, and a steam turbine is operable to produce rotation of a second shaft in response to the receipt of a second portion of the flow of steam.
F02C 3/22 - Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
F01K 23/06 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
F02C 3/30 - Adding water, steam or other fluids to the combustible ingredients or to the working fluid before discharge from the turbine
F02C 6/00 - Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
F02C 7/16 - Cooling of plants characterised by cooling medium
A generator rotor including a rotor shaft having a rotor slot includes a rotor winding at least partially disposed within the rotor slot and a wedge coupled to the rotor shaft and extending axially along the rotor shaft, the wedge positioned to inhibit radial movement of the rotor winding from the rotor slot. A seal member is coupled to the wedge and extends axially along the wedge. The seal member cooperates with the wedge and the rotor shaft to define a seal therebetween. The wedge, the seal member, and the rotor shaft cooperate to at least partially define an enclosed space operable to contain a high-pressure coolant.
H02K 9/10 - Arrangements for cooling or ventilating by gaseous cooling medium flowing in closed circuit, a part of which is external to the machine casing
H02K 1/32 - Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
H02K 3/24 - Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
A premixer injector (300) in a gas turbine engine includes an inlet end (302), an outlet end (304), a first wall (306) and a second wall (308) between the inlet end (302) and the outlet end (304). The first wall (306) has a plurality of apertures (328) circumferentially separated around the first wall (306) and axially separated along the first wall (306). Each aperture (328) passes through the first wall (306). A premixer duct (310) is defined by an interior of the first wall (306). The second wall (308) at least partially surrounds the first wall (306). A secondary duct (324) is defined between the first wall (306) and the second wall (308).
F23D 11/02 - Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space the combustion space being a chamber substantially at atmospheric pressure
37.
MULTI-STAGE COMPRESSOR ASSEMBLY HAVING ROWS OF BLADES ARRANGED TO ROTATE IN COUNTER-OPPOSITE ROTATIONAL DIRECTIONS
A multi-stage compressor assembly is disclosed. Each of the stages (112) of the compressor assembly has rows of blades (202, 204) arranged to rotate in counter-opposite directions, and this is effective to produce relatively high specific work, and high flow-capacity in a compact footprint at moderate blade tip speeds. In one non-limiting application, the compressor assembly can be utilized to compress a gas having a low-molecular weight and density, such as hydrogen.
A superalloy powder mixture is provided for use with additive manufacturing or welding metal components or portions thereof. The superalloy powder mixture includes at least 51% by weight a high melt superalloy powder and at least 5% by weight a low melt superalloy powder. The low melt superalloy powder may have a solidus temperature lower than the solidus temperature of the high melt superalloy powder by between 50°C and 220°C. Each of the high melt superalloy powder, the low melt superalloy powder, and the superalloy powder mixture may have a nickel content by weight greater than 40% and may have an aluminum content by weight of greater than 1.5%. The low melt superalloy powder may include at least 5% by weight of tantalum, and the high melt superalloy powder may include less than half the content by weight percent of tantalum compared to the content by weight percent of tantalum in the low melt superalloy powder.
B33Y 70/00 - Materials specially adapted for additive manufacturing
B33Y 80/00 - Products made by additive manufacturing
C22C 19/05 - Alloys based on nickel or cobalt based on nickel with chromium
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
A turbine vane (200) in a gas turbine engine includes an inner platform (202), an outer platform (204), and a vane airfoil (206) positioned therebetween. The vane airfoil includes a first cooling passage (212) extending between the outer platform and the inner platform, and a second cooling passage (214) extending between the outer platform and the inner platform. The second cooling passage is arranged downstream of the first cooling passage with respect to a flow direction. The turbine vane includes a jumper tube (300) disposed between the second cooling passage and the inner platform. The jumper tube includes an inlet (304), an outlet (306), and a tube wall (302) enclosing a hollow interior. The inlet is positioned a distance within the second cooling passage. The outlet is positioned at least partially through an aperture of the inner platform.
A method for detecting a cybersecurity event in a system includes monitoring at least one of an access monitoring system, an operational data system, and an operator activity system, detecting a first anomaly in a first system of the monitored systems, predicting a second anomaly in a second system that in combination with the first anomaly is indicative of a hostile cyber security threat. The method also includes reviewing data collected from the second system to determine if the second anomaly is present and identifying the first anomaly as a cybersecurity threat in response to the detection of the second anomaly in the data of the second system.
A system and method for simulating behaviour of a mechanical component is disclosed herein. The system comprises a first computing node (105), and one or more second computing nodes (110A, HOB, 110M) communicatively coupled to the first computing node (105). Each of the second computing nodes (110A, HOB, 110M) include a primary processor (120A) and one or more co-processors (125A-1, 125A-2, 125A-P) communicatively coupled to the primary processor (120A). The primary processor (120A) distributes simulation instances among the co-processors (125A-1, 125A-2, 125A-P) based on availability of computing resources.
A non-destructive method for a volumetric inspection of a turbine blade is presented. The method includes positioning an ultrasonic phased array probe to a desired position on the turbine blade for generation of a scan of a portion of the turbine blade, scanning a surface of the turbine blade using a focused ultrasonic beam, generating a turbine blade scanned image at least in part from the scanning step, and detecting an indication on a volume of the turbine blade utilizing a full matrix capture/total focusing method with the turbine blade installed in the turbine rotor.
A combustor casing exit ring (208, 210) is provided including a membrane slot (302) and a sacrificial plate (402) covering at least one wall of the membrane slot. During gas turbine operation, the sacrificial plate (402) accepts wear from contact with a component inserted into the membrane slot. A combustor (112) including an outer casing surrounding a combustion chamber (202), the outer casing including an inner combustor liner having an end portion comprising a combustor casing exit ring is also provided.
A gas turbine blade including a root for connecting to a rotor of a gas turbine, a platform attached to the root defining a side surface and a groove formed in the side surface, and an airfoil including a metallic substrate extending from a surface of the platform to a tip, the airfoil including a pressure side and a suction side meeting at a trailing edge and a leading edge, and a platform impingement plate. The platform impingement plate includes a circumferential edge surrounding a cavity, the edge positioned to contact the platform, a plate surface positioned to from the cavity between the first surface and the plate surface, and a flat member having a face attached to the plate surface and at least one end portion. A gas turbine blade including a platform sealing wire positioned in a groove of the platform is also provided.
A guide vane in a gas turbine engine includes an inner platform, an outer platform, and two vane airfoils extending between the inner platform and the outer platform and spaced apart from each other. The outer platform includes a front hook and a rear hook. A front locking feature and a rear locking feature are disposed on the front hook and the rear hook, respectively. Each of the two vane airfoils includes a pressure sidewall and a suction sidewall meeting upstream forming a leading edge. A downstream end of the suction sidewall extends downstream further from a downstream end of the pressure sidewall forming a trailing edge. An upstream side of the inner platform of the guide vane is longer than a downstream side of an inner platform of an upstream turbine blade of the gas turbine engine.
An alignment tool includes a mounting flange, a support leg fixedly coupled to the mounting flange and cooperating with the mounting flange to define a partial annular ring that extends in an arc between 190 degrees and 350 degrees, and a second quantity of jack bolt pairs movably coupled to the support leg, each jack bolt pair arranged to engage one of the first quantity of seal segments. A third quantity of mounting fasteners is positioned to fixedly attach the mounting flange to the inner casing.
A guide vane (200, 300, 400, 500, 700) in a gas turbine engine (100) includes an inner platform (202), an outer platform (204), and an airfoil (206) extending therebetween. Side surfaces (302, 304) of the inner platform and outer platform between the guide vane (300) and an adjacent guide vane define a first seal slot (310, 318), a second seal slot (312, 320), and a third seal slot (314, 322) forming a closed loop having three corners (316, 324). At least one of the corners is rounded. The guide vane (500, 600) includes turbulator ribs (504) and pin fins (506, 604) disposed in an airfoil interior (406). The pin fins (604) are disposed in a region of a trailing edge (212). The inner platform defines film cooling holes (410) disposed at an outer surface (408) facing the airfoil. The film cooling holes are arranged in a fan shape. An inner surface (804) of the inner platform and an outer surface (704) of the outer platform include impingement cooling ribs (802, 702) The inner platform protrudes further towards upstream in a flow direction than the outer platform.
A guide vane in a gas turbine engine includes an inner platform, an outer platform, and a vane airfoil extending between the inner platform and the outer platform. The vane airfoil has a bow shape. A first outer seal slot and a second outer seal slot are disposed on a side surface of the outer platform and spaced apart from each other. A radiation shield is coupled to the outer platform. An inter stage seal is coupled to the inner platform. The inter stage seal has a base plate and a rail extending between the inner platform and the base plate forming a T-shape. The inner platform has an extension at the upstream side that is at least partially positioned within a groove of a downstream side of an inner platform of an adjacent upstream turbine blade cooperating to aerodynamically damp a vibration of the guide vane during operation.
A turbine blade in a gas turbine engine includes an airfoil extending in a radial direction. The airfoil has an outer wall delimiting an airfoil interior. The outer wall includes a pressure sidewall and a suction sidewall joined at a leading edge and a trailing edge in a longitudinal direction. A turbulator is disposed in the airfoil interior. The turbulator includes a first row having at least two turbulator ribs spaced apart in the longitudinal direction. The turbulator includes a second row extending in the radial direction from the first row and having at least two turbulator ribs spaced apart in the longitudinal direction.
A compressor rotor for turbomachinery, such as a centrifugal compressor, is provided. Disclosed embodiments benefit from a seal assembly including one or more seal members positioned within a Hirth coupling to inhibit passage of process fluid being processed by the compressor. A circumferentially extending groove is arranged in a toothed meshing interface of the Hirth coupling to receive and securely hold the one or more seal members within the Hirth coupling. The groove may be configured with features, such as may define a dovetail groove, to facilitate assembly of certain seal members into the groove. Disclosed embodiments can make use of any of various sealing modalities for the seal member within the Hirth coupling based on the needs of a given application.
An inspection tool for inspecting a stator of a generator with a rotor positioned within the stator includes a carriage sized to fit within a gap between the rotor and the stator, a drive assembly coupled to the carriage, the drive assembly including drive motor operable to move the carriage along the stator in an axial direction, and a motor control operable using pulse width modulation to operate the drive motor. In addition, the inspection tool further includes a sensor operable to sense a feature of the stator, and a distance measuring device coupled to the carriage and operable to measure the position of the carriage with respect to the stator.
A gas turbine engine includes a compressor section, a combustor section, a turbine section, a hot gas path and a layered component (600) including a substrate (502) and a thermal barrier coating (TBC) (602) having: a single layer of 6-15% wt.% yttria-stabilized zirconia in a tetragonal phase arranged on or above the substrate where the single layer does not have an adjacent upper or lower layer of a second TBC, a density having a homogeneous distribution such that one standard deviation of the mean or median density is not more than +/- 25% of the mean or median density, and having a mean bulk value density of greater than 70%, a smooth exposed surface having an Ra of less than 5 microns, and a plurality of grooves extending from the single layer surface toward the substrate with dimensions of 30 - 300 um width and 30- 90% depth of the TBC.
A method of repairing a component using an additive manufacturing process is presented. The method includes submerging the component into a powder bed so that a portion of the component to be repaired is level with a surface of the powder bed and a protruding portion of the component protrudes above the surface of the powder bed, positioning a split wiper that includes a first wiper segment and a second wiper segment in the powder bed at the surface, advancing a quantity of powder by translating the first wiper segment and the second wiper segment across the surface of the powder bed, and directing a laser beam across the surface to fuse powder particles of the powder bed to the underlying substrate forming a layer of the component. Each of the first wiper segment and the second wiper segment follow a different contour of the protruding portion at the surface.
A wet air oxidation system includes a reactor including an inlet and an outlet. The reactor is operable to oxidize a portion of a two-phase process fluid and to discharge a hot oxidized fluid from the outlet. A heat exchanger includes a plurality of tubes that extend along a long axis of the heat exchanger and cooperate to define a hot fluid inlet coupled to the outlet to receive the hot oxidized fluid and a hot fluid outlet, a shell that surrounds the plurality of tubes and defines a process fluid inlet arranged to receive the two-phase process fluid, and a process fluid outlet arranged to discharge a preheated two-phase process fluid to the inlet of the reactor, wherein the long axis of the heat exchanger is arranged in a non-horizontal direction.
A premixer injector assembly in a gas turbine engine includes at least one premixer injector. The premixer injector includes a fuel tube having a fuel feed passage enclosed by an outer surface, a plurality of fins coupled to the fuel tube extending from the outer surface of the fuel feed passage, the outer surface of the fuel feed passage between adjacent fins having a concave shape, a plurality of mixing channels defined between adjacent fins, a plurality of fuel injection apertures disposed along the fuel feed passage to direct fuel from the fuel feed passage to the mixing channels, an air tube coupled to the fuel tube to at least partially enclose the fuel tube, and a plurality of air injection openings arranged along the air tube to inject air to the mixing channels.
Systems for treating wastewater containing organic nitrogen compounds are disclosed. The systems include a wet air oxidation unit having an oxidation zone, a catalytic zone, and a metal-based catalyst. Methods of treating wastewater containing organic nitrogen compounds are also disclosed. The methods include contacting the wastewater with an oxidant to produce a mixed liquor, contacting the mixed liquor with a metal-based catalyst to catalyze ammonia and produce a gas containing nitrogen and a liquid effluent containing nitrogen. Methods of retrofitting a wet air oxidation unit including providing a metal-based catalyst are also disclosed. Methods of facilitating treatment of wastewater in a wet air oxidation unit including providing a metal-based catalyst are also disclosed.
B01J 23/46 - Ruthenium, rhodium, osmium or iridium
B01J 23/89 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group of the iron group metals or copper combined with noble metals
C02F 1/74 - Treatment of water, waste water, or sewage by oxidation with air
C02F 103/36 - Nature of the water, waste water, sewage or sludge to be treated from the chemical industry not provided for in groups from the manufacture of organic compounds
57.
SMART LOCKING KEY FOR A ROTATING COMPRESSOR COMPONENT
A rotor blade locking key system includes a rotor blade for a turbine engine having an airfoil and a root, a disc having a circumferentially extending groove for receiving the root, a locking key, and a data collection system coupled to the locking key. The root includes a notch and the disc includes a slot that when aligned with the notch a cavity is defined. The locking key is positioned in the cavity and includes an end portion which extends into the notch. The data collection system includes a sensing device for measuring a parameter of the locking key indicative of a condition of the locking key during engine operation, a storage device coupled to the sensing device for storing the measured parameter, a power source for delivering powder to the sensing device, and a signal connector for connection to an external processor for transmitting the collected data.
A ring segment arrangement of a gas turbine (10), the gas turbine having a rotational axis and a gas path for channelling a main working gas flow (34a). The ring segment arrangement forming part of the gas path and comprising a first ring segment (67) and a second ring segment (64) located downstream of the first ring segment with respect to the main working gas flow. The first ring segment comprises a body (43), the body has a trailing edge (94) and a surface (95) exposed to the main working gas flow, the trailing edge has an axial surface. The second ring segment comprises a body (100), the body has a leading edge (84) and a surface (102) exposed to the main working gas flow, the leading edge has an axial surface. The axial surface of the trailing edge faces the axial surface of the leading edge and forms a gap (108) therebetween. At least one body comprises an internal cooling arrangement (98), the internal cooling arrangement comprises an array of cooling passages (114a, b, c, d) having outlets (116a, b, c, d) defined in the axial surface, in use cooling air exits (122) the outlets passing into the gap and then enters the main gas path where it mixes with the main working gas flow. The axial surface of second ring segment comprises a convex curvature (124) and the axial surface of the first ring segment comprises a concave curvature (126).
F01D 11/00 - Preventing or minimising internal leakage of working fluid, e.g. between stages
F01D 11/04 - Preventing or minimising internal leakage of working fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
A turbine blade (200) includes a root (202) arranged to attach the turbine blade (200) to a rotor (122) and a vane extending in a radial direction from the root (202) to a tip surface (302). The vane includes a leading edge (208), a trailing edge (210), a pressure-side surface (212), and a suction-side surface (214) that cooperate to define a vane perimeter (216). A perimeter wall (304) extends radially from the tip surface (302) and surrounds a portion of the vane perimeter (216). A first trench wall (306) extends across the tip surface (302) and cooperates with the perimeter wall (304) to substantially enclose a pressure-side pocket (316) and a second trench wall (308) extends across the tip surface (302) and cooperates with the perimeter wall (304) to substantially enclose a suction-side pocket (314).
The present invention refers to a method of monitoring the security state of at least one industrial plant being an industrial power plant or an industrial plant containing at least one continuous flow engine utilizing at least one monitoring tool. Furthermore, the present invention refers to a system and computer program product to execute such method. Additionally, the present invention refers to the use of such monitoring tool to upgrade or service an industrial plant being an industrial power plant or an industrial plant containing at least one continuous flow engine to implement such method.
A gas turbine engine includes a stationary component, a rotating component rotatable relative to the stationary component, and a non-contact seal assembly arranged between the stationary component and rotating component to seal a gap therebetween. The non-contact seal assembly includes a plurality of seal segments circumferentially arranged adjacent to and spaced apart from each other. Each seal segment includes a seal carrier attached to the stationary component, a seal shoe movable with respect to the rotating component and the seal carrier, a coupling assembly separate from the seal carrier and seal shoe and coupled to the seal carrier and seal shoe to allow movement of the seal shoe, a back plate connected to the seal carrier, and a front plate connected to the seal carrier such that the seal carrier is disposed between the back plate and the front plate.
An auxetic (NPR) structure includes a plurality of vertical intersecting dimpled sheets, each dimpled sheet exhibiting a negative Poisson's ratio, each dimpled sheet intersects two adjacent dimpled sheets creating a rectangular tubular structure, and having a portion of each dimpled sheet projecting outward from its intersection with an adjacent dimpled sheet, the amplitude of each dimple on the plurality of dimpled sheets is such that no overhanging surface of the dimpled sheet exceeds an angle threshold for printability without support structures.
B22F 3/105 - Sintering only by using electric current, laser radiation or plasma
B29C 64/153 - Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
B29C 64/40 - Structures for supporting 3D objects during manufacture and intended to be sacrificed after completion thereof
B33Y 40/00 - Auxiliary operations or equipment, e.g. for material handling
B33Y 80/00 - Products made by additive manufacturing
A method of modulating a cooling supply in a gas turbine engine includes providing the engine comprising a compressor section and a turbine section and including a cooling flow circuit, the cooling flow circuit supplying a cooling air flow from a compressor cavity in the compressor section to a blade ring cavity in the turbine section, wherein the cooling flow circuit includes a main line with a full capacity valve, measuring a first pressure in the blade ring cavity, measuring a second pressure in the compressor cavity, adjusting, by a control system, the opening of the full capacity valve to control the cooling air flow through the main line in order to maintain a target pressure ratio, wherein the pressure ratio defined as a ratio of the first pressure to the second pressure. The method is performed in an ambient temperature operating range of the engine.
A turbine operable to produce a flow of exhaust gas along a central axis includes a strut having a flow portion positioned within the flow of exhaust gas and a strut cover having a length and positioned to surround the flow portion of the strut, the strut cover including a leading-edge portion, a mid-chord portion, and a trailing-edge portion. The mid-chord portion has a uniform cross-section, and the trailing-edge portion has a trailing-edge center positioned such that the mid-chord portion and the trailing-edge portion define a master chord plane. The leading-edge portion defines a leading-edge nose, and the leading-edge portion is twisted with respect to the master chord plane and the leading-edge nose along the length defines a curve that is not coincident with the master chord plane.
A computer-implemented method of detecting an anomalous action associated with a physical system includes developing, by a computing device a plurality of vectors, each vector indicative of an event that occurred at a specific time within the system, combining, with the computing device each vector that occurred within a predefined time duration into one of a plurality of master vectors, and performing, with the computing device a cluster analysis to group each master vector of the plurality of master vectors into one of a plurality of states. The method also includes determining, with the computing device a real-time master vector based at least in part on one or more events that occur within the predefined time duration, classifying, with the computing device the real-time master vector as a real-time state, and indicating that the real-time state is anomalous when the real-time state doesn't match one of the plurality of states.
A computer-implemented method of selecting design parameters for a system being designed includes developing, by a computing device an inverse model that includes a probabilistic representation of a simulation of a physical behavior of the system. The inverse model includes observable parameters and unobservable parameters. The method also includes specifying a desired value for a desired response characteristic for the system, specifying values for a portion of the observable parameters, and predicting, by an inverse model that includes a trained neural network, values of the observable parameters not specified and the unobservable parameters that result in the desired response characteristic equaling the desired value.
G06F 30/27 - Design optimisation, verification or simulation using machine learning, e.g. artificial intelligence, neural networks, support vector machines [SVM] or training a model
G06N 3/04 - Architecture, e.g. interconnection topology
G06F 119/08 - Thermal analysis or thermal optimisation
A gas turbine engine includes a rotor rotatable about a central axis. The gas turbine engine includes a turbine stage including a stationary portion and a rotating portion made up of a number of rotating blades and a plurality of stationary vanes arranged to define the stationary portion. Each stationary vane includes an inner rail having an inlet face, a suction side face, a pressure side face, and a platform. A vane portion extends along a radial line from the platform and defines one of a first stagger angle and a second stagger angle with respect to the central axis. The platform has an elliptical cross-section in a plane that includes the central axis.
A method of forming a component using an additive manufacturing process includes providing a geometrical design of the component, discretizing the geometrical design into a plurality of geometric bodies, and matching each geometric body with an object from a feature database, each object including an object build setup configuration and an object support structure specification. The method further includes applying the object build setup configuration and the object support structure specification for each object to its corresponding geometric body to define a component build setup configuration and a component support structure specification, outputting the geometrical design, the component build setup configuration, and the component support structure specification to an additive manufacturing system, and forming the component including the component support structure specification using the additive manufacturing system.
A method of destroying a fluorocarbon compound includes regenerating an adsorbent to remove the fluorocarbon compound and to produce a regeneration fluid having a concentration of the fluorocarbon compound and directing the regeneration fluid to an electro-oxidation system. The method also includes applying a current to the electro-oxidation system to oxidize the fluorocarbon compound within the regeneration fluid and measuring a quantity of fluorides in the regeneration fluid to determine the progress of the removal of the fluorocarbon compound from the regeneration fluid.
A method of determining a turbine inlet temperature for a gas turbine engine includes measuring pressure changes within a combustion section of the gas turbine engine during operation of the gas turbine engine to produce pressure versus time data, extracting a resonant frequency from the pressure versus time data, and calculating the turbine inlet temperature based solely on the resonant frequency.
G01K 11/26 - Measuring temperature based on physical or chemical changes not covered by group , , , or using measurement of acoustic effects of resonant frequencies
G01K 15/00 - Testing or calibrating of thermometers
G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
71.
COMPUTERIZED ENGINEERING TOOL AND METHODOLOGY TO DEVELOP NEURAL SKILLS FOR A ROBOTICS SYSTEM
Computerized engineering tool and methodology to develop neural skills for computerized autonomous systems, such as a robotics system (50), are provided. A disclosed computerized engineering tool (10) may involve an integrated arrangement of respective modular functionalities arranged in a closed loop, such as may include a physics engine (14), a neural data editor (16), an experiment editor (18), a neural skills editor (20), and a machine learning environment (22). Disclosed embodiments are conducive to cost-effectively simplifying development efforts involving neural skills, such as by reducing the time involved to develop the neural skills involved in any given robotics system and by reducing the level of expertise involved to develop neural skills.
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
72.
TURBINE BLADE HEALTH MONITORING SYSTEM FOR IDENTIFYING CRACKS
A method and system (600) of determining the location and size of a crack in a blade (200) includes measuring a time of arrival of a tip of the blade at an angular position in a rotation by means of one or more sensors (602), using the time of arrival to calculate a displacement of the tip of the blade, and using the displacements to calculate a first vibration condition and a second vibration condition for the blade. The method also includes comparing the first vibration condition and the second vibration condition for the blade (200) to a predetermined baseline first vibration condition and a predetermined baseline second vibration condition for the blade to determine a change in the first vibration condition and a change in the second vibration condition, and using the magnitude of the change in the second vibration condition relative to the change in the first vibration condition to determine the likely location of the crack and using the magnitude of the change in the first vibration condition and the change in the second vibration condition to determine the size of the crack.
A turbine blade (1) includes an airfoil section (10), wherein at least one cooling hole (32) is formed a tip floor (30) of the airfoil section (10), which is fluidically connected to an internal coolant cavity (28) of the airfoil section (10). The turbine blade (1) further includes an additively manufactured tip cap (40) formed via layer-by-layer deposition of material directly over the tip floor (30) of the airfoil section (10). The tip cap (40) includes at least one squealer tip rail (42, 44) extending outward from the tip floor (30). The at least one squealer tip rail (42, 44) comprises an embedded cooling channel (50) formed therein. The embedded cooling channel (50) is aligned with and fluidically connected to the at least one cooling hole (32) formed through the tip floor (30) of the airfoil section (10). The embedded cooling channel (50) comprises one or more outlets (54, 56) located on at least one of a side face (42a, 44b) and a top face (42c, 44c) of the at least one squealer tip rail (42, 44).
A hybrid three-layer system is presented. The hybrid three-layer system includes a two-layer composite system and an additively manufactured third layer comprising a lattice structure. The composite layer system includes a metallic substrate, a structured surface, and a thermal protection system. The structured surface may be additively manufactured onto the metallic substrate and includes structured surface features formed to project above the metallic substrate. Each of the structured surface features are separated from adjacent structured surface features by grooves. The thermal protection coating may be thermally sprayed onto the structured surface and is bonded to each of the structured surface features. The lattice structure is in contact with a surface of the metallic substrate of the composite layer system.
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
Robotics control system (10) and method for training said robotics control system are provided. Disclosed embodiments make a gracefully blended utilization of Reinforcement Learning (RL) with conventional control by way of a dynamically adaptive interaction between respective control signals (20, 24) generated by a conventional feedback controller (18) and an RL controller (22). Additionally, disclosed embodiments make use of an iterative approach for training a control policy by effective use of virtual sensor and actuator data (60) interleaved with real-world sensor and actuator data (54). This is effective to reducing a training sample size to fulfill a blended control policy for the conventional feedback controller and the reinforcement learning controller. Disclosed embodiments may be used in a variety of industrial automation applications.
A composite layer system is presented. The composite layer system includes a metallic substrate, a structured surface, and a thermal protection system. The structured surface may be additively manufactured onto the metallic substrate and includes structured surface features formed to project above the metallic substrate. Each of the structured surface features are separated from adjacent structured surface features by grooves. The thermal protection coating may be thermally sprayed onto the structured surface and is bonded to each of the structured surface features.
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
B22F 7/06 - Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting of composite workpieces or articles from parts, e.g. to form tipped tools
B33Y 80/00 - Products made by additive manufacturing
A power plant is operable to provide primary frequency control for a grid. The power plant includes a gas turbine operable to power a first generator that is synchronized to the power grid and to produce an exhaust gas, the gas turbine operated at a power level that defines a non-zero first MW margin and including a first control system having a first droop setting, and a heat recovery steam generator (HRSG) operable to generate high pressure steam in response to the passage of the exhaust gas through the HRSG. A steam turbine is operable to power a second generator that is synchronized to the power grid, the steam turbine is operated at a power level that defines a non- zero second MW margin and includes a second control system having a second droop setting, the second droop setting set to a value based at least in part on the second MW margin. The first control system calculates the first droop setting based at least in part on the first MW margin, the second droop setting, the second MW margin, and a regional required total droop for the combination of the gas turbine and the steam turbine.
F01K 23/10 - Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
78.
SYSTEM AND METHOD FOR REPAIRING HIGH-TEMPERATURE GAS TURBINE COMPONENTS
A method of forming a component includes mixing a powdered base material and a binder to define a mixture, forming the mixture into a desired shape without melting the base material, removing the binder from the desired shape to define a skeleton, the volume of the skeleton being between 80 percent and 95 percent base material, and infiltrating the skeleton with a melting point depressant material to define a finished component, the finished component having less than one percent porosity by volume.
A blade for a gas turbine includes a removed portion space, and further includes an airfoil portion defining the removed portion space, the airfoil portion formed from a base material, and a replacement component formed to fill the removed portion space. The replacement component is formed from a material that includes 50% - 80% base material, 0% - 30% braze material, and 0% - 8% aluminum. A braze joint is formed between the airfoil portion and the replacement component to attach the replacement component to the airfoil portion and fill the removed portion space.
An outlet guide vane assembly in a gas turbine engine is presented. The outlet guide vane assembly includes an inner shroud and an outlet guide vane having an inner platform. The inner shroud has a flange arranged at aft side that is bolted to a flange of the inner platform arranged at forward side. The inner shroud flange has a protrusion that engages a recess of the inner platform flange forming a form fit connection interface between the inner shroud and the outlet guide vane. The inner platform has shiplaps arranged at two circumferential sides that overlap shiplaps of an adjacent inner platform forming a form fit connection interface between adjacent outlet guide vanes. The outlet guide vane assembly includes a plurality of segments circumferentially arranged. Each segment includes a plurality of outlet guide vanes assembled to an inner shroud.
A seal assembly (400) in a gas turbine engine (10) is presented. The seal assembly is arranged at a forward side of an inner compressor exit diffuser (222). The seal assembly is arranged between an outlet guide vane assembly (120) and the forward side of the inner compressor exit diffuser (222) to reduce cooling air leakage therebetween or is arranged between adjacent outlet guide vane assemblies to reduce cooling air leakage therebetween. The seal assembly includes a plurality of seal segments. The seal assembly includes at least one seal, such as a brush seal (410).
A turbine airfoil (10) includes an airfoil body (12) and a generally hollow flow displacement element (30) positioned in an interior portion of the airfoil body (12) and extending along a span-wise extent thereof. The flow displacement element (30) defines an inactive cavity (40) therewithin. The flow displacement element (30) is spaced from a pressure side wall (20) and a suction side wall (22) of the airfoil body (12) to respectively define a first near-wall cooling flow channel (92) and a second near-wall cooling flow channel (94). The flow displacement element (30) includes an outer surface (36) facing the near-wall cooling flow channels (92, 94) and an inner surface (38) facing the inactive cavity (40). The inner surface (38) facing the inactive cavity (40) includes features (50) configured to influence a mass and/or stiffness of the turbine airfoil (10), to thereby produce a predetermined modal frequency response of the turbine airfoil (10).
A water delivery system (18) for delivering water for injection into gas turbine engine combustor (4) includes a centrifugal pump (19) and a metering valve (23). The centrifugal pump (19) has an inlet (20) connected to a water source and a discharge (21) connected to a water supply line (22). The metering valve (23) is connected to the water supply line (22) downstream of the discharge (21) of the centrifugal pump (19). The water supply line (22) is connected to an injector nozzle (14) downstream of the metering valve (23). The metering valve (23) is operable to regulate a flow rate of water in the water supply line (22), to thereby meter an amount of water supplied to the injector nozzle (14).
A molding tool (10) for manufacturing cooling features in a ceramic core for a casting process includes a first mold portion (12) comprising a crossover hole forming feature (18); a second mold portion (24) comprising an impingement jet receiving forming feature (30) for forming an impingement jet receiving feature having a desired aiming point (32); and a sacrificial alignment member (34) for extending at least partially into the crossover hole forming feature (18) at least partially into the aiming point (32) of the impingement jet receiving forming feature (30) for substantially aligning a central axis (38) of the crossover hole forming feature (18) with the aiming point (32) to maintain a crossover hole and aiming point alignment during casting to ensure that the jet is directed at the aiming point (32) in a resultant cast part.
An investment casting core (10) incorporates an alignment guide (24) extending through a body (12) of the core. The alignment guide (24) defines a coolant flow path (92) in a later-cast metal component (76) extending from a coolant outlet opening (90) in an impingement structure (88) to an impingement target area (86) of a cooling feature (84) formed on an impingement cooled surface (82) of the component (76). Methods of making the core (10) and using the core (10) in lost wax investment casting processes are also described.
A generator including a stator frame, a plurality of stator donuts including a plurality of circumferentially disposed notches, and a plurality of a wedge assemblies for mounting the stator donuts to a plurality of building bolts is presented. Each wedge assembly includes a set of opposing wedges. The set of opposing wedges are positioned within a notch in a stator donut to create a locking force between a building bolt and the stator core. The wedge assembly also includes a tensioning bolt to set the opposing wedges to a position creating the locking force between the stator core and the building bolt.
A system (100) and method (300) is provided for product lifecycle management of parts via grain structure identification. The system may include at least one processor (102) configured via executable instructions (106) included in at least one memory (104) to receive at least one image (120) of at least one predetermined portion (122) of a part (124) that depicts at least one unique grain structure (126) of a material that forms the at least one portion of the part. The at least one processor may also determine a grain structure fingerprint (128) based on the at least one grain structure depicted in the at least one image, which grain structure fingerprint uniquely identifies the part from among a plurality of other parts (132) each having a respective unique grain structure fingerprint (134) stored in at least one data store (130). Also, the at least one processor may store and/or access product lifecycle data (136) regarding the part in the at least one data store using the grain structure fingerprint of the part.
An adaptive radio frequency module including a switching circuit to switch receipt of a voltage, an assembly including the adaptive RF module, a system comprising a base unit with one or more radio frequency modules, and a method of operation of the system are provide.
An insertion tool for installing an insert in a base material includes an interface portion arranged to support the insert prior to insertion, a coil positioned to induce a current in the insert in response to the application of power to the coil, and a controller operable to control the application of power to the coil.
System (10) for hydraulic fracturing is provided. The system may involve a mobile hybrid power-generating subsystem (25) including a gas turbine engine (14) and an electrical energy storage system (16). Power-generating subsystem (25) further including an electromotive machine (12) that may be configured to operate in a motoring mode or in a generating mode. During motoring, electromotive machine (12) may be responsive to electrical power from energy storage system (16) to provide black start of gas turbine (14). Gas turbine engine (14), electrical energy storage system (16) and electromotive machine (12) may be arranged on a power generation mobile platform (22) so that a subsystem so arranged can be transportable from one physical location to another, and effectively constitutes a self-contained, mobile hybrid power-generating subsystem that may operate fully independent from utility power or external power sources.
System for hydraulic fracturing is provided. The system may involve a mobile hydraulic fracturing subsystem including a variable frequency drive (VFD) (12) electrically coupled to a generator (50). An electric motor (14) is driven by VFD (12). Harmonic mitigation circuitry (16) is configured to mitigate harmonic distortion by VFD (12). A hydraulic pump (20) is driven by motor (14) to deliver a pressurized fracturing fluid. VFD (12), harmonic mitigation circuitry (16), motor (14) and hydraulic pump (20) may be arranged on a mobile platform (24) so that a subsystem so arranged can be transportable from one physical location to another. In some disclosed embodiments, the hydraulic fracturing subsystem may be fitted on mobile platform (24) having size and weight not subject to laws or regulations requiring a permit and/or accompaniment by an escort vehicle to travel on a public highway, such as public highways in the United States and/or Canada.
System for hydraulic fracturing is provided. A generator (22) directly coupled to a gas turbine engine (24) without a rotational speed reduction device. Thus, generator (22) may operate at relatively high-speeds and may involve state-of-the art electromotive technologies, such as may include switched reluctance generators (SRG), synchronous reluctance generators (SynRG) or permanent magnet generators (PMG). Power circuitry (30) may be arranged to receive electric power generated by generator (22) and may be electrically connectable to a power bus (32). Gas turbine engine 24), generator (22) and power electronics circuitry (30) may each be respectively mounted onto a power generation mobile platform (34), and in combination constitute a mobile power-generating subsystem (20) that may be operationally arranged in combination with one or more hydraulic fracturing subsystems (50), mobile or otherwise, that can similarly take advantage of such electromotive technologies for motoring purposes.
E21B 41/00 - Equipment or details not covered by groups
F02C 6/00 - Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
F02C 6/14 - Gas-turbine plants having means for storing energy, e.g. for meeting peak loads
E21B 43/26 - Methods for stimulating production by forming crevices or fractures
93.
SYSTEM FOR HYDRAULIC FRACTURING INCLUDING MOBILE POWER-GENERATING SUBSYSTEM WITH DIRECT-COUPLED ELECTROMOTIVE MACHINE INTEGRATED WITH ELECTRICAL ENERGY STORAGE
System 10 for hydraulic fracturing is provided. The system may include a mobile hybrid power-generating subsystem (25) including a gas turbine engine (14) and an electrical energy storage system (16). Power-generating subsystem (25) further including an electromotive machine (12), such as a switched reluctance electromotive machine or a permanent magnet electromotive machine, in either case having a rotor shaft coupled to a main shaft of the gas turbine engine without a rotational speed reduction device. A power bus (15) being powered by the electrical energy storage system and/or the electromotive machine (12). Gas turbine engine 14, electrical energy storage system 16 and electromotive machine (12) may be arranged on a power generation mobile platform (22) so that a subsystem so arranged can be transportable from one physical location to another, and effectively constitutes a selfcontained, mobile hybrid power-generating subsystem that may operate fully independent from utility power or external power sources.
An air core dry type power reactor comprises a double wall sound shield including concentric a first and a second roving cylinders, the first cylinder positioned against the outermost layer of a coil including a plurality of cylindrically shaped winding layers but detached from the coil by a first airgap between the outermost layer and the first cylinder or attached by ductsticks to the coil. The second cylinder is placed at a distance from the first cylinder to form an acoustic cavity between two double walls of the cylinders. The double wall sound shield further including a plurality of sound absorbent panels to attenuate resonances of the acoustic cavity between the double walls of the cylinders. The plurality of sound absorbent panels comprises a layer of sound absorbing material and each of the plurality of sound absorbent panels is separated from the first roving cylinder by a second airgap.
A valve monitoring system for monitoring a valve including a movable portion, an actuator, and a housing, the monitoring system including: a first sensor coupled to the movable portion and operable to measure the position of the movable portion at a first sampling rate. The valve monitoring system also includes a second sensor coupled to one of the movable portion, the actuator and the housing to measure one of a temperature and a pressure at a second sampling rate. The valve monitoring system also includes a data storage unit including a buffer, the measurements from the first sensor and the second sensor being temporarily stored in the buffer as each of the first measurement and the second measurement are collected, the buffer sized to store all the first measurements and the second measurements during a predefined time period as a block of data. A corresponding valve monitoring system is also provided.
F01D 17/14 - Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
F01D 17/20 - Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
F01D 21/00 - Shutting-down of machines or engines, e.g. in emergency; Regulating, controlling, or safety means not otherwise provided for
F16K 37/00 - Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
96.
THREE DIMENSIONAL CERAMIC MATRIX COMPOSITE WALL STRUCTURES FABRICATED BY USING PIN WEAVING TECHNIQUES
A component (68) fabricated from a three dimensional (3D) ceramic matrix composite (CMC) material (142). The component includes an outer wall (100) and an inner wall (104) spaced apart from the outer wall to form a cooling channel (110) that provides cooling of the outer wall wherein the outer wall and inner wall form a double walled structure (114). The component also includes a continuous truss fiber (136) attached between the outer wall and the inner wall having portions that span the cooling channel wherein the fiber reinforces the outer wall and inner wall and wherein the truss fiber forms at least one space (160) that enables crossflow (162) of cooling air in the cooling channel and wherein the fiber, outer wall and inner wall are formed together as a unistructure (145) in the CMC material.
Ceramic fibers (22, 24) within the entire internal volume of a 3-D, ceramic fabric preform (20) are impregnated with ceramic particles prior to their solidification into a finished Ceramic Matrix Composite (CMC) Component. Ceramic fiber tows are braided or woven into a continuous, non-laminated, unitary, three-dimensional preform, without discontinuities within its volume. The preform includes selectively sized passages within the tow lattice structure. In some embodiments, fugitive tows (26, 28) are incorporated into the lattice for subsequent removal to form the passages. The passages, however formed, are subsequently entirely filled with ceramic slurry, with exception of intentionally formed cooling passages. In other embodiments, tows forming the preform are impregnated with the ceramic slurry prior to or during their weaving and/or braiding into a 3-D preform. The 3-D preform is then solidified.
A method is provided for determining optimal values of significant process parameters in an additive manufacturing (AM) process for printing a part from a specified process material. The method involves defining a set of target output material properties to be optimized and identifying an initial set of process parameters pertaining to the AM process. The method broadly comprises a screening phase and an optimization phase. The screening phase involves generating and executing a first experiment design, and determining, based on a first output response, a subset of significant process parameters that affect the target output material properties. The optimization phase involves generating and executing a second experiment design, and determining, based on a second output response, optimal values for the significant process parameters that maximize or minimize the target output material properties.
G05B 19/4099 - Surface or curve machining, making 3D objects, e.g. desktop manufacturing
G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
99.
TIP REPAIR OF A TURBINE COMPONENT USING A COMPOSITE TIP BORON BASE PRE-SINTERED PREFORM
The present invention relates to a method for repairing a tip portion (22) of a turbine blade (10) having a structural defect. The method includes removing a damaged section with a structural defect in a tip portion (22) and the provision of a pre-sintered preform (60), including a first portion (62) having a first composition and a second portion (64) having a second composition. The pre-sintered preform (60) is configured to mate with an upper surface of a remaining portion of the turbine blade (10). The pre-sintered preform (60) comprises a superalloy material and a braze material and is subjected to a brazing process to melt the braze material and fill in the structural defect. The first portion (62) may be a blade shelf and the second portion (64) may be a squealer portion.
User and Entity Behavior Analytics (UEBA) is applied to specific actions that are performed within industrial control systems. For example, UEBA can be applied to detect security and safety anomalies related to actions of process engineers and plant operators, as further described herein. In particular, in some cases, malicious and non-malicious, as well as intentional and accidental, misuses of engineering workstations and human machine interfaces (HMIs) can be detected.
patents
