METHODS OF CONTROL FOR MANAGEMENT OF HOT FUEL
Granted: February 8, 2024
Application Number:
20240044290
A gas turbine engine fuel supply system can include a fuel delivery system, a thermal management system, a fuel manifold, and one or more sensors that identify one or more fuel parameters. A fuel control system can be controlled to adjust one or more parameters of the fuel based on data received from the sensors.
COOLING SYSTEM FOR SEAL ASSEMBLIES
Granted: February 8, 2024
Application Number:
20240044262
This disclosure is directed to cooling systems for turbomachine seal assemblies. The seal assemblies include stationary and rotating components and at least one interface between the stationary and rotating components. During operation of the turbomachine, the components of the seal assemblies generate heat, which is removed from the seal assembly by the cooling systems of this disclosure. In some examples, the cooling system includes a reservoir of lubricant that is distributed to a…
COOLING SYSTEM FOR SEAL ASSEMBLIES
Granted: February 8, 2024
Application Number:
20240044262
This disclosure is directed to cooling systems for turbomachine seal assemblies. The seal assemblies include stationary and rotating components and at least one interface between the stationary and rotating components. During operation of the turbomachine, the components of the seal assemblies generate heat, which is removed from the seal assembly by the cooling systems of this disclosure. In some examples, the cooling system includes a reservoir of lubricant that is distributed to a…
PLANET GEAR CLEARANCES IN EPICYCLIC GEARBOXES
Granted: February 1, 2024
Application Number:
20240035418
An epicyclic power gear box for a gas turbine engine delivers torque from a low speed shaft to the primary fan. The gear box includes a planet gear and a bearing pin for the planet gear, sun gear and ring gear. The planet gear and bearing pin are arranged so that a clearance between the two is maintained during a takeoff condition for the gas turbine engine.
WATER-BASED BINDER SOLUTIONS FOR USE IN ADDITIVE MANUFACTURING PROCESSES
Granted: February 1, 2024
Application Number:
20240034902
A water-based binder solution comprises a thermoplastic binder, greater than or equal to 4 wt % to less than or equal to 20 wt % of a non-aqueous solvent having a boiling point greater than or equal to 100° C. and less than or equal to 175° C., and water. The thermoplastic binder comprises a first polymer strand having a weight average molecular weight (Mw) of from 5,000 g/mol to 15,000 g/mol; and at least one of a second polymer strand having a weight average molecular weight (Mw) of…
WATER-BASED BINDER SOLUTIONS FOR USE IN ADDITIVE MANUFACTURING PROCESSES
Granted: February 1, 2024
Application Number:
20240034902
A water-based binder solution comprises a thermoplastic binder, greater than or equal to 4 wt % to less than or equal to 20 wt % of a non-aqueous solvent having a boiling point greater than or equal to 100° C. and less than or equal to 175° C., and water. The thermoplastic binder comprises a first polymer strand having a weight average molecular weight (Mw) of from 5,000 g/mol to 15,000 g/mol; and at least one of a second polymer strand having a weight average molecular weight (Mw) of…
PLANET GEAR CLEARANCES IN EPICYCLIC GEARBOXES
Granted: February 1, 2024
Application Number:
20240035418
An epicyclic power gear box for a gas turbine engine delivers torque from a low speed shaft to the primary fan. The gear box includes a planet gear and a bearing pin for the planet gear, sun gear and ring gear. The planet gear and bearing pin are arranged so that a clearance between the two is maintained during a takeoff condition for the gas turbine engine.
IMPROVEMENTS IN OR RELATING TO PROTECTION CIRCUITS
Granted: January 18, 2024
Application Number:
20240022066
A protection circuit, for protecting a whole or part of a HVDC power transmission network, includes a number of sets of sensors, each of which set defines a respective protection zone. The protection circuit also includes a controller that is programmed to evaluate sensor information received from the sensors to determine whether a fault has occurred within a protection zone. The controller is further programmed, in the event of a sensor in a protection zone failing, to dynamically…
PRINT HEAD ASSEMBLY AND METHODS FOR USING THE SAME
Granted: January 18, 2024
Application Number:
20240017486
Additive manufacturing assemblies, printing assemblies, and methods for utilizing same are provided. A method includes providing a linear traversing stage (212) movable in a direction transverse to a rail (104) extending along a working axis of the additive manufacturing apparatus, and coupling a printing assembly (150) to the linear traversing stage (212) such that the printing assembly is movable along the linear traversing stage in a direction transverse to the working axis. In…
PRINT HEAD ASSEMBLY AND METHODS FOR USING THE SAME
Granted: January 18, 2024
Application Number:
20240017486
Additive manufacturing assemblies, printing assemblies, and methods for utilizing same are provided. A method includes providing a linear traversing stage (212) movable in a direction transverse to a rail (104) extending along a working axis of the additive manufacturing apparatus, and coupling a printing assembly (150) to the linear traversing stage (212) such that the printing assembly is movable along the linear traversing stage in a direction transverse to the working axis. In…
IMPROVEMENTS IN OR RELATING TO PROTECTION CIRCUITS
Granted: January 18, 2024
Application Number:
20240022066
A protection circuit, for protecting a whole or part of a HVDC power transmission network, includes a number of sets of sensors, each of which set defines a respective protection zone. The protection circuit also includes a controller that is programmed to evaluate sensor information received from the sensors to determine whether a fault has occurred within a protection zone. The controller is further programmed, in the event of a sensor in a protection zone failing, to dynamically…
METHOD AND APPARATUS FOR LAYER THICKNESS CONTROL IN ADDITIVE MANUFACTURING
Granted: January 11, 2024
Application Number:
20240009932
An additive manufacturing apparatus is disclosed. The apparatus includes a build surface, at least a portion of which is transparent. The apparatus includes a first material depositor operable to deposit a curable resin to form a deposited resin layer on the build surface. A first sensing device is configured to measure the thickness of the deposited resin layer; and wherein the at least one sensing device is configured to generate a signal indicative of the thickness of the deposited…
METHOD AND APPARATUS FOR LAYER THICKNESS CONTROL IN ADDITIVE MANUFACTURING
Granted: January 11, 2024
Application Number:
20240009932
An additive manufacturing apparatus is disclosed. The apparatus includes a build surface, at least a portion of which is transparent. The apparatus includes a first material depositor operable to deposit a curable resin to form a deposited resin layer on the build surface. A first sensing device is configured to measure the thickness of the deposited resin layer; and wherein the at least one sensing device is configured to generate a signal indicative of the thickness of the deposited…
INSULATION FOR TRANSFORMER OR INDUCTOR
Granted: January 4, 2024
Application Number:
20240006120
An electrical component includes a magnetic core, an insulator, and a first winding. The insulator includes a first aperture disposed about a first portion of the core and a first insulator passage extending through the insulator, encircling the first aperture. The first winding extends through the first insulator passage and conducts an electrical current.
METHOD AND SYSTEM FOR THERMAL SPRAYING BRAZE ALLOY MATERIALS ONTO A NICKEL-BASED COMPONENT TO FACILITATE HIGH DENSITY BRAZED JOINT WITH LOW DISCONTINUITIES
Granted: January 4, 2024
Application Number:
20240003014
A method and system for thermal spraying braze alloy materials onto a nickel-based component to facilitate a high density brazed joint with low discontinuities is disclosed. The method and system utilize a high melt braze alloy material and a low melt braze alloy material. A thermal spraying application sprays the high melt braze alloy material and the low melt braze alloy onto a surface of a nickel-based component containing a damaged portion. The sprayed high melt braze alloy material…
CLEANING SYSTEMS FOR ADDITIVE MANUFACTURING APPARATUSES AND METHODS FOR USING THE SAME
Granted: January 4, 2024
Application Number:
20240001616
Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.
MATERIAL SUPPLY SYSTEM AND METHOD FOR USING THE SAME
Granted: January 4, 2024
Application Number:
20240001614
A system (100) includes a build area positioned along a working surface (102), an arcuate supply receptacle (110) defining one or more supply receptacle sidewalls (118, 120) and an upwardly-facing receptacle opening (114) spaced apart from the build area along the working surface, an arcuate piston positioned at least partially within the arcuate supply receptacle (110), where the arcuate piston (130), the upwardly-facing receptacle opening, and the one or more supply receptacle…
ACTUATING MECHANISM FOR OPERATING A CIRCUIT BREAKER
Granted: December 21, 2023
Application Number:
20230411090
An actuating mechanism for a circuit breaker includes a first piston movable in a first cylinder, against the force of a first compressible member, by admitting hydraulic fluid, and a second piston movable in a second cylinder, against the force of a second compressible member, by admitting hydraulic fluid. Hydraulic fluid can transferred from the second cylinder into the first cylinder via an interconnecting fluid passage, and released from the first cylinder via an outlet fluid…
DAMPERS FOR SEAL ASSEMBLIES
Granted: December 21, 2023
Application Number:
20230407762
This disclosure is directed to seal assemblies for a turbomachine. The seal assemblies include stationary and rotating components and at least one interface between the stationary and rotating components. In some examples, seal assembly includes a runner coupled to a rotating shaft and a sealing element coupled to a stationary engine housing. The seal assembly can also include a spring element located between the sealing element and the stationary engine housing, which allows the…
AIRFLOW CONTROL FOR ADDITIVE MANUFACTURING
Granted: December 21, 2023
Application Number:
20230405926
The additive manufacturing device includes a positioning mechanism configured to provide independent movement of a build unit in at least two dimensions. The build unit may include a gasflow device for providing a flow zone and an irradiation beam directing unit. The irradiation beam directing unit may form a first solidification line and form a second solidification line at an angle other than 0° and 180° with respect to the first solidification line. During the formation of the first…
