STEAM TURBINE ROTOR
Granted: April 9, 2020
Application Number:
20200109633
The invention relates to a steam turbine rotor wherein the inter blade region rotor surface, the feed region rotor surface, the piston region rotor surface and the stress relief groove rotor surface of the rotor are configured and arranged as steam exposed surfaces during normal operation of the steam turbine rotor. The steam turbine rotor has a thermal barrier coating on at least the piston region rotor surface.
ADDITIVE MANUFACTURING MACHINE HAVING RECONFIGURABLE GAS NOZZLES
Granted: April 9, 2020
Application Number:
20200108559
An additive manufacturing apparatus includes at least one build unit with a powder delivery mechanism, a powder recoating mechanism and an irradiation beam directing mechanism. The build platform is a rotating build platform or a non-rotating build platform. A gas inlet nozzle and a gas exhaust nozzle direct gas across the build site. A positioning mechanism is connected to the gas inlet nozzle and the gas exhaust nozzle, and the positioning mechanism is configured to provide independent…
Patient Monitoring System and Leadset Having Multiple Capacitive Patient Connectors and a Single Galvanic Patient Connector
Granted: April 9, 2020
Application Number:
20200107729
A patient monitoring system having defibrillation protection includes a data acquisition device and a leadset. The data acquisition device records physiological signals from a patient, the data acquisition device having at least three receiving ports, each receiving port configured to connect to a patient connector. The leadset includes a galvanic patient connector that galvanically connects a first receiving port of the data acquisition device and the patient and at least a first…
AIRFOIL SHAPE FOR THIRD STAGE COMPRESSOR STATOR VANE
Granted: April 2, 2020
Application Number:
20200102831
A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the…
COMBUSTOR CAP ASSEMBLY WITH COOLING MICROCHANNELS
Granted: April 2, 2020
Application Number:
20200103114
A combustor cap assembly includes a cap plate and a cover panel. The cap plate defines an outer perimeter and fuel nozzle openings disposed through the cap plate. The cap plate has a hot side, and the cover panel has a cold side, which is attached to the hot side of the cap plate. The hot side of the cap plate and/or the cold side of the cover panel define a plurality of cooling microchannels extending in a transverse direction relative to a centerline of the combustor cap assembly. A…
AIRFOIL SHAPE FOR FIRST STAGE COMPRESSOR ROTOR BLADE
Granted: April 2, 2020
Application Number:
20200102969
A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the…
AIRFOIL SHAPE FOR THIRD STAGE COMPRESSOR ROTOR BLADE
Granted: April 2, 2020
Application Number:
20200102967
A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the…
CONTROL AND TUNING OF GAS TURBINE COMBUSTION
Granted: April 2, 2020
Application Number:
20200102902
A system that includes: a gas turbine having a combustion system; a control system operably connected to the gas turbine for controlling an operation thereof; and a combustion auto-tuner, which is communicatively linked to the control system, that includes an optimization system having an empirical model of the combustion system and an optimizer; sensors configured to measure the inputs and outputs of the combustion system; a hardware processor; and machine-readable storage medium on…
AIRFOIL SHAPE FOR SECOND STAGE COMPRESSOR STATOR VANE
Granted: April 2, 2020
Application Number:
20200102833
A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the…
AIRFOIL SHAPE FOR SECOND STAGE COMPRESSOR ROTOR BLADE
Granted: April 2, 2020
Application Number:
20200102832
A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the…
SYSTEM AND METHOD FOR CALIBRATING AN IMAGING SYSTEM
Granted: April 2, 2020
Application Number:
20200100758
A method of calibrating a system for imaging a subject is provided. The method includes determining a position of an X-ray source of the system operative to transmit X-rays through the subject; and calibrating the position of the X-ray source with respect to a detector of the system, based at least in part on a field of view of the X-ray source, the detector operative to receive the X-rays transmitted by the X-ray source. In embodiments, the method includes positioning an X-ray source of…
METHOD AND SYSTEMS FOR AN AUXILIARY POWER UNIT
Granted: March 26, 2020
Application Number:
20200094690
Various methods and systems are provided for an auxiliary power unit of a vehicle that provides electrical power and compressed air while a main engine of the vehicle is not running. In one example, a system for a vehicle having a main power unit (MPU) coupled to an alternator, and an auxiliary power unit (APU), and the APU is configured to provide power to one or more hotel loads of the vehicle, comprises: a controller with computer readable instructions stored in non-transitory memory…
SYSTEM AND METHOD FOR IMAGING A SUBJECT WITH A CONTRAST AGENT
Granted: March 26, 2020
Application Number:
20200093451
A system for imaging a subject with a contrast agent is provided. The system includes an X-ray source, an X-ray detector, and a controller. The X-ray source is operative to transmit X-rays through the subject. The X-ray detector is operative to receive the X-rays after having passed through the subject. The controller is in electronic communication with the X-ray source and the X-ray detector and operative to: generate a target contrast level based at least in part on a contrast…
BACKSIDE SEAL FOR STEAM TURBINE GLAND SYSTEM
Granted: March 19, 2020
Application Number:
20200088058
The present application provides a turbine. The turbine may include a rotor, a casing, and a gland seal system positioned between the rotor and the casing. The gland seal system may include a backside seal positioned about the casing.
FLOW-DIVERTING SYSTEMS FOR GAS TURBINE AIR SEPARATOR
Granted: March 19, 2020
Application Number:
20200088036
A flow diverter for an air separator of a gas turbine includes a cylindrical body configured to fit within a cooling hole of the air separator. One or more air flow vents are defined through and around a partial circumference of the cylindrical body. A bottom panel closes the cylindrical body at one end. A mounting flange surrounds the cylindrical body at an open end and extends radially outward from the cylindrical body. When the flow diverter is installed, air flows through the open…
TREATMENT PROCESSES FOR SUPERALLOY ARTICLES AND RELATED ARTICLES
Granted: March 12, 2020
Application Number:
20200080183
A treatment process for treating an article including a superalloy having a degraded microstructure is presented. The process includes subjecting the article to a first heat-treatment including successively heating and cooling the article between a low-end temperature and a high-end temperature and subjecting the article to a second heat-treatment at a solution annealing temperature in a range of from about 80 degrees Fahrenheit below a gamma-prime solvus temperature of the superalloy to…
COMBUSTION-POWERED FLOW CONTROL ACTUATOR WITH HEATED WALLS
Granted: March 5, 2020
Application Number:
20200070961
A flow control actuator includes a first side wall, a second side wall opposite and substantially parallel to the first side wall, an upstream wall mechanically coupled to upstream ends of the first and second side walls, and a downstream cap mechanically coupled to downstream ends of the first and second side walls. The first side wall, the second side wall, the upstream wall and the downstream cap collectively define an interior of the flow control actuator. An energy source is…
VEHICLE AND CONTROL METHOD THEREOF AND SYSTEM
Granted: March 5, 2020
Application Number:
20200076326
The present invention discloses a vehicle. The vehicle includes an AC electric machine configured to generate traction driving force, a DC bus configured to provide a DC voltage, an inverter, and a controller. The inverter is coupled with the DC bus and configured to convert the DC voltage from the DC bus to an AC voltage to drive the AC electric machine, and the inverter includes a plurality of transistors. The controller is configured to control the inverter to maintain the vehicle to…
VARIABLE NOZZLES IN TURBINE ENGINES AND METHODS RELATED THERETO
Granted: March 5, 2020
Application Number:
20200072073
A turbine engine having a variable nozzle assembly that includes: a variable nozzle having an airfoil that extends radially across an annulus formed between inner and outer platforms; and a segmented shaft that translates a torque between segments included therewithin. The segmented shaft may include a first and second segment. The first segment of the segmented shaft may include: the airfoil of the variable nozzle; an outer stem extending from the outer end of the airfoil; and an inner…
AIRFOIL SHAPE FOR FIRST STAGE COMPRESSOR STATOR VANE
Granted: March 5, 2020
Application Number:
20200072057
A system is provided, including an airfoil. The airfoil includes a first suction portion of a nominal airfoil profile substantially in accordance with Cartesian coordinate values of X, Y, and Z of a suction side as set forth in TABLE I to a maximum of three decimal places, wherein the X and Y values of the suction side are coordinate values that couple together to define suction side sections of the first suction portion of the nominal airfoil profile at each Z coordinate value, the…
