Turbomachine rotor blade with a cooling circuit having an offset rib
Granted: April 18, 2023
Patent Number:
11629601
A rotor blade for a turbomachine is provided. The rotor blade includes a platform, an airfoil extending from the platform, and a cooling circuit extending within the platform and the airfoil. The cooling circuit includes a plurality of cooling passages defined by a plurality of ribs. The plurality of ribs includes an offset rib.
System and method for estimating motor temperature of a pitch system of a wind turbine
Granted: April 18, 2023
Patent Number:
11629701
A method for estimating a temperature of a motor of a pitch drive mechanism of a rotor blade of a wind turbine includes monitoring, via at least one sensor, an actual temperature and at least one additional operating condition of the motor during a normal operating period of the wind turbine. The method also includes storing, via a pitch controller, the monitored temperatures and the monitored additional operating conditions of the motor for the normal operating period. Further, the…
Wind turbine model based control and estimation with accurate online models
Granted: April 18, 2023
Patent Number:
11629694
A system for computing wind turbine estimated operational parameters and/or control commands, includes sensors monitoring the wind turbine, a control processor implementing a model performing a linearization evaluation to obtain a structural component dynamic behavior, a fluid component dynamic behavior, and/or a combined structural and fluid component dynamic behavior of wind turbine operation, and a module performing a calculation utilizing the linearization evaluation of the…
Energy conversion apparatus
Granted: April 18, 2023
Patent Number:
11629663
An energy conversion apparatus may include an engine assembly, such as a monolithic engine assembly. The engine assembly may include a first monolithic body segment and a plurality of second monolithic body segments directly coupled or directly couplable to the first monolithic body segment. The first monolithic body segment may define a combustion chamber and a recirculation pathway in fluid communication with the combustion chamber. The recirculation pathway may be configured to…
Gas turbine engine having a turbomachine and an electric motor coupled to a propeller
Granted: April 18, 2023
Patent Number:
11629651
A gas turbine engine including: a turbomachine coupled to a propeller of the gas turbine engine, the turbomachine being in fluid communication with an external environment through an air inlet; and an electric motor coupled to the propeller, wherein the air inlet is in fluid communication with a bypass duct having a selectively variable geometry.
System and methods for igniting and operating a gas turbine engine with alternative fuels
Granted: April 18, 2023
Patent Number:
11629642
A power generation system includes a combustion system, a liquid supply system, and a vapor supply system. The combustion system is configured to generate power by combusting an alternative fuel. The liquid supply system is configured to channel a liquid alternative fuel to the combustion system. The vapor supply system is configured to channel a vapor alternative fuel to the combustion system. The combustion system is ignited by combusting the liquid alternative fuel from the liquid…
Fuel distribution manifold
Granted: April 18, 2023
Patent Number:
11629641
Fuel distribution manifolds and combustors are provided. A fuel distribution manifold includes a main body and a fuel circuit that is defined within the main body. The fuel circuit includes an inlet section extending generally axially from an inlet to a first branch section and a second branch section. The first branch section and the second branch section diverge circumferentially away from each other as they extend axially from the inlet section to a respective first outlet and a…
Combined cycle power plant having serial heat exchangers
Granted: April 18, 2023
Patent Number:
11629618
A gas turbine system includes a compressor section, a turbine section, a combustor section. The combustor section is in fluid communication with a fuel supply via a fuel supply line. The water circuit includes a first water line extending between a first feed water supply line and a return water line. The gas turbine system further includes an extraction-air line that extends between an inlet port on the compressor section and an outlet port on the turbine section. A first heat exchanger…
Split-line stator vane assembly
Granted: April 18, 2023
Patent Number:
11629606
A compressor section includes a compressor casing that has an upper casing portion coupled to a lower casing portion such that a split-line is defined between the upper casing portion and the lower casing portion. A split-line stator vane assembly includes a first split-line stator vane that has a first shank with a first platform portion and a first mounting portion extends radially outward of the first platform portion. A first airfoil extends radially inward of the platform portion.…
Turbomachine airfoil having a variable thickness thermal barrier coating
Granted: April 18, 2023
Patent Number:
11629603
An airfoil includes a root and a tip, which define a span of the airfoil therebetween. The airfoil also includes a leading edge and a trailing edge downstream of the leading edge along a flow direction. The leading edge and the trailing edge each extend across the span of the airfoil from the root to the tip. The airfoil further includes a pressure side surface and a suction side surface. The airfoil also includes a thermal barrier coating on the pressure side surface and the suction…
Turbomachine nozzle with an airfoil having a curvilinear trailing edge
Granted: April 18, 2023
Patent Number:
11629599
A turbomachine defines an axial direction, a radial direction perpendicular to the axial direction, and a circumferential direction extending concentrically around the axial direction. The turbomachine includes a nozzle having an inner platform, an outer platform, and an airfoil. The airfoil includes a leading edge, a trailing edge downstream of the leading edge, a pressure side surface, and a suction side surface opposite the pressure side surface. The trailing edge is orthogonal with…
Method for manufacturing a fiber reinforced polymer composite beam, particularly a spar beam for a wind turbine rotor blade
Granted: April 18, 2023
Patent Number:
11628634
A method for producing a hollow composite structure, such as a spar beam for a wind turbine blade, includes placing a membrane within a mold tool, the membrane being permeable to air and impermeable to resin. A mandrel is placed within the mold tool, the mandrel enclosed in an air tight layer that includes a vent. Fiber reinforcement material is placed around the mandrel within the mold tool and the membrane is sealed at least partly around the fiber reinforcement material and mandrel.…
Additive manufacturing method for functionally graded material
Granted: April 18, 2023
Patent Number:
11628618
A method for producing a functionally graded component layer-by-layer includes: depositing radiant-energy-curable resin on a build surface defined by a resin support, the resin containing filler including at least two groups of particles with different physical properties; allowing the filler to settle such that the groups of particles separate from each other, defining at least two regions within the resin; positioning a stage relative to the build surface so as to define a layer…
Intra-surgery imaging system
Granted: April 11, 2023
Patent Number:
11622739
Various embodiments discussed herein utilize a C-shaped imager to provide images with a minimal footprint, such as may be suitable in a surgical context. In addition the systems and methods described herein allow for suitable angular (i.e., azimuthal) scan coverage about the patient. To provide real-time 3D imaging, multiple X-ray tubes or a distributed X-ray source may be employed, coupled with an extended detector or multiple detectors. To reconstruct high-quality volumes, in some…
Additively manufactured booster splitter with integral heating passageways
Granted: April 11, 2023
Patent Number:
11624320
A booster splitter for a gas turbine engine and a method of additively manufacturing the booster splitter are provided. The booster splitter includes an annular inner wall defining a radially outer boundary of a compressor flow path defined through a compressor section of the gas turbine engine, an annular outer wall spaced apart from the annular inner wall along the radial direction, the annular outer wall adjacent to the annular inner wall at a forward end, the forward end defining an…
Anti-coning aspirating face seal
Granted: April 11, 2023
Patent Number:
11624290
An aspirating face seal between high and low pressure regions of a turbomachine at a juncture between rotatable and non-rotatable members of turbomachine includes gas bearing rotatable and non-rotatable face surfaces. Primary and starter seal teeth and optional deflector seal tooth are mounted on seal teeth carrier on rotatable member. Non-rotatable face surface is mounted on an annular slider on the non-rotatable member. A pull-off biasing means urges the annular slider away from the…
Slotted ceramic coating with a reactive phase coating disposed thereon for improved CMAS resistance and methods of forming the same
Granted: April 11, 2023
Patent Number:
11624288
A coated component including a slotted ceramic coating with a reactive phase coating disposed thereon for improved resistance to environmental contaminant compositions, along with methods of its formation, is provided. The coated component may include a substrate defining a surface, a ceramic coating disposed on the surface of the substrate, and a reactive phase coating disposed on the layer of environmental contaminant compositions. The ceramic coating includes a plurality of slots…
Metal surface preparation
Granted: April 11, 2023
Patent Number:
11623430
A bonded part includes: a substrate including a polymer matrix material; a metal layer; a layer of adhesive between the substrate and the metal layer; and a layer of smut between the layer of adhesive and the metal layer.
Encoding volumetric data to support trusted transaction delivery
Granted: April 11, 2023
Patent Number:
11623407
According to some embodiments, a computer processor may receive an item definition file containing a volumetric description of the three-dimensional item and create a compressed item definition file including a compressed volumetric description of the three-dimensional item. For example, the item definition file may include a plurality of item slices, from a bottom item slice to a top item slice, each item slice describing a two-dimensional portion of the three-dimensional item. For at…
Multi-level vat for additive manufacturing
Granted: April 11, 2023
Patent Number:
11623398
An additive manufacturing apparatus includes a vat with multiple chambers and at least one of the chambers is a resin chamber configured to receive a radiant-energy-curable resin. A build surface is defined by the resin chamber within the vat, wherein at least a portion of the build surface is transparent. The additive manufacturing apparatus includes a stage that is positioned facing the vat and the build surface and the stage is configured to hold a stacked arrangement of one or more…
