Patents Assigned to Raytheon Technologies Corporation
  • Aluminum airfoil
    Patent number: 11231046
    Abstract: An airfoil includes a first airfoil piece and a second airfoil piece that is bonded to the first airfoil piece at a joint. The first airfoil piece and the second airfoil piece are formed of aluminum alloys. At least one of the aluminum alloys is an aluminum alloy composition that has greater than 0.8% by weight of zinc. The joint includes a braze element of magnesium, zinc, or combinations thereof in a higher concentration than in other portions of the first airfoil piece and the second airfoil piece.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 25, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Thomas J. Watson, Daniel A. Bales
  • Gas turbine engine airfoil frequency design
    Patent number: 11231050
    Abstract: A turbomachine airfoil element includes an airfoil having pressure and suction sides spaced apart from one another in a thickness direction and joined to one another at leading and trailing edges. The airfoil extends in a radial direction a span that is in a range of 0.60-0.70 inch (15.3-17.8 mm). A chord length extends in a chordwise direction from the leading edge to the trailing edge at 50% span and is in a range of 0.90-1.00 inch (22.9-25.5 mm). The airfoil element includes at least two of a first mode with a frequency of 5327±10% Hz, a second mode with a frequency of 8393±10% Hz, a third mode with a frequency of 16289±10% Hz, a fourth mode with a frequency of 25049±10% Hz and a fifth mode with a frequency of 27423±10% Hz.
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Haiyun Li, Eliannah Hunderfund, Sean Nolan, Joseph Steele, Marian A. Iskandar
  • Inserts for airfoils of gas turbine engines
    Patent number: 11230931
    Abstract: Baffle inserts for airfoils of gas turbine engines are described. The baffle inserts include a baffle insert body having a first side portion and a second side portion, wherein each side portion has a respective end, a first set of vortex generation elements is arranged at the end of the first side portion, and a second set of vortex generation elements is arranged at the end of the second side portion. The first set of vortex generation elements and the second set of vortex generation elements are arranged at an aft end of the baffle insert body.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: January 25, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Lucas Dvorozniak, Dominic J. Mongillo, Jr.
  • Heat shield for gas turbine fluid tubes
    Patent number: 11230944
    Abstract: A gas turbine engine includes a compressor section. A diffuser case is downstream of the compressor section. There is a combustor and a turbine section. A bearing compartment is inward of the combustor. A shaft connects the turbine section to the compressor section. The bearing compartment includes a bearing that supports the shaft. A plurality of tubes extend to the bearing compartment. Each of the plurality of tubes have a heat shield that includes a first half and a second half crimped together along lateral edges.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 25, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventor: Becklyn A. Maguire
  • Cable conduit for turbine engine bypass
    Patent number: 11230995
    Abstract: A cable conduit for a bypass flow duct may comprise a head end, a sleeve, a foot end, a boot, and a split grommet wherein the head end is coupled to the sleeve opposite the foot end, wherein the foot end comprises a flared portion, wherein the boot comprises a first flange and a neck, wherein the boot is configured to couple at the neck to the flared portion of the foot end, wherein the head end comprises a second flange and a cutout penetrating into an interior volume of the sleeve, and wherein the split grommet is coupled within the interior volume of the sleeve.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Christopher Waitkus, Mark T. McAuliffe, Randall Lee Greenberg, Colby S. Dunn, Daniel Godfrey, Curtis J. Ruckey, Philip DiMuzio
  • Vane airfoil shapes for embedded members
    Patent number: 11230927
    Abstract: A vane assembly may comprise a plurality of airfoils each extending between an inner platform and an outer platform, the plurality of airfoils comprising a nominal airfoil, a thickened airfoil, and a first thinned airfoil circumferentially adjacent to the thickened airfoil, wherein, the nominal airfoil has a first chord thickness, the thickened airfoil has a second chord thickness, and the thinned airfoil has a third chord thickness, wherein the second chord thickness is greater than the first chord thickness and the third chord thickness is less than the first chord thickness, and a member disposed within the thickened airfoil.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Corey D. Anderson, Marianne C. Monastero, Vladimir Skidelsky
  • Non-uniform spray pattern oil delivery nozzle
    Patent number: 11230946
    Abstract: A gas turbine engine includes an engine static structure. A rotating structure is configured to rotate relative to the engine static structure. The rotating structure has a target area with first and second directions. The first direction is greater than the second direction. A lubrication system includes a nozzle having a non-circular exit aimed at the target area. The exit provides a width and a height. The width is greater than the height. The width is oriented in the first direction.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Michael M. Davis, Colin D. Craig
  • Systems, devices and methods for spark plasma sintering
    Patent number: 11229950
    Abstract: A method of forming an article including: contacting a fugitive tool with a powdered parent material; densifying the powdered material; and destructively removing the fugitive tool. A coating of a different material may be formed against the parent material using a similar approach.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: January 25, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: John R. Paulus, Jon T. Moore, Benjamin E. Heneveld
  • Guide vane with truss structure and honeycomb
    Patent number: 11230928
    Abstract: A vane includes an airfoil that defines a leading edge, a trailing edge, a pressure side, and a suction side. The airfoil includes a truss structure that has ribs that define there between a plurality of through-cavities from the pressure side to the suction side. Honeycomb cells are disposed in the cavities. A face sheet defines at least one of the pressure side or the suction side. The face sheet has perforations that correspond in location to the honeycomb cells.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 25, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventor: Larry Foster
  • Work recovery system for a gas turbine engine utilizing an overexpanded, recuperated supercritical CO2 bottoming cycle
    Patent number: 11230948
    Abstract: A gas turbine engine includes a primary flowpath fluidly connecting a compressor section, a combustor section, and a turbine section. A heat exchanger is disposed in the primary flowpath downstream of the turbine section. The heat exchanger includes a first inlet for receiving fluid from the primary flowpath and a first outlet for expelling fluid received at the first inlet. The heat exchanger further includes a second inlet fluidly connected to a supercharged CO2 (sCO2) bottoming cycle and a second outlet connected to the sCO2 bottoming cycle. The sCO2 bottoming cycle is an overexpanded, recuperated Brayton cycle.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Brendan T. McAuliffe, Joseph B. Staubach, Nagendra Somanath
  • Vane seal system and seal therefor
    Patent number: 11230939
    Abstract: A vane seal system includes a first non-rotatable vane segment that has a first airfoil with a first pocket at one end thereof. A second non-rotatable vane segment includes a second airfoil with a second pocket at one end thereof spaced by a gap from the first pocket. A seal member spans across the gap and extends in the first pocket and the second pocket. The seal member includes a seal element and at least one spring portion configured to positively locate the seal member in a sealing direction. Also disclosed is a seal for a vane seal system and a method related thereto for damping relative movement between a first pocket and a second pocket.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: January 25, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Mark J. Rogers, Carl S. Richardson, Richard K. Hayford, Kenneth E. Carman, Jonathan J. Earl
  • Arcuate Seed Casting Method
    Publication number: 20220016697
    Abstract: A casting method includes: forming a seed, the seed having a first end and a second end, the forming including bending a seed precursor; placing the seed second end in contact or spaced facing relation with a chill plate; contacting the first end with molten material; and cooling and solidifying the molten material so that a crystalline structure of the seed propagates into the solidifying material. The forming further included reducing a thickness of the seed proximate the first end relative to a thickness of the seed proximate the second end.
    Type: Application
    Filed: September 30, 2021
    Publication date: January 20, 2022
    Applicant: Raytheon Technologies Corporation
    Inventors: Dilip M. Shah, Shiela R. Woodard, Steven J. Bullied, Ryan C. Breneman
  • Film-cooled multi-walled structure with one or more indentations
    Patent number: 11226098
    Abstract: An assembly for a turbine engine is provided. This turbine engine assembly includes a shell and a heat shield with a cooling cavity between the shell and the heat shield. The heat shield defines a plurality of cooling apertures and an indentation in a side of the heat shield opposite the cooling cavity. The cooling apertures are fluidly coupled with the cooling cavity. The indentation is configured such that cooling air, directed from a first of the cooling apertures, at least partially circulates against the side of the heat shield.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: January 18, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Frank J. Cunha, Stanislav Kostka, Jr.
  • Method of providing turbine engines with different thrust ratings
    Patent number: 11225913
    Abstract: A method is provided that includes providing a first turbine engine and providing a second turbine engine. The first turbine engine is configured with a first thrust rating. The first turbine engine includes a first engine rotating assembly and a first engine case structure housing at least the first engine rotating assembly. The second turbine engine is configured with a second thrust rating that is different than the first thrust rating. The second turbine engine includes a second engine rotating assembly and a second engine case structure housing at least the second engine rotating assembly. The first engine case structure and the second engine case structure have at least substantially common configurations. The first turbine engine and the second turbine engine are provided by a common entity.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: January 18, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Frederick M. Schwarz, William G. Sheridan
  • Diffusion barrier to prevent super alloy depletion into nickel-CBN blade tip coating
    Patent number: 11225876
    Abstract: A diffusion barrier coating on a nickel-based alloy substrate comprising the diffusion barrier being coupled to the substrate between the substrate and a composite material opposite the substrate, wherein the diffusion barrier comprises a nickel phosphorus alloy material.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: January 18, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Lei Jin, William J. Joost, Ryan M. Brodeur
  • Fuel nozzle for a gas turbine engine
    Patent number: 11226102
    Abstract: A fuel nozzle for a combustor a gas turbine engine includes a flange with a first locator.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: January 18, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Kevin J. Low, Joey Wong, Chris J. Niggemeier
  • Bifurcated sliding seal
    Patent number: 11225877
    Abstract: The present disclosure relates generally to a sliding seal between two components. The sliding seal includes a first seal section and an uncoupled second seal section which allows the first and second seal sections to move relative to one another during relative movement between the two components. A wave spring and/or a rope seal is disposed between the first and second seal sections biases the first and second seal sections away from one another.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: January 18, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Timothy M. Davis, Paul M. Lutjen
  • Rail support beams
    Patent number: 11225875
    Abstract: Vane assemblies are described. The vane assemblies include a platform, an airfoil extending from the platform, a forward rail extending from the platform and arranged along a forward side of the platform, and an aft rail extending from the platform and arranged along an aft side of the platform. At least one support beam is provided extending in a forward-aft direction between the forward rail and the aft rail and separated from the platform by a first distance. The at least one support beam has a thickness in a radial direction of 40% or less of a total radial extent from the platform to an outer diameter edge of at least one of the forward rail and the aft rail and the at least one support beam has a thickness in a circumferential direction of 30% or less of a total circumferential extent of vane assembly.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: January 18, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Nicholas J. Madonna, Kristopher K. Anderson, Justin M. Aniello, Jeffrey Michael Jacques, Daniel P. Preuss, Christina A. Ryan, Melissa Shallcross
  • Turbine engine rotor blade with castellated tip surface
    Patent number: 11225874
    Abstract: A rotor blade is provided for a turbine engine. This rotor blade includes an airfoil extending longitudinally between a leading edge and a trailing edge. The airfoil extends spanwise to a tip. The airfoil is configured with a plurality of projections arranged longitudinally along the tip.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: January 18, 2022
    Assignee: Raytheon Technologies Corporation
    Inventor: Michael A. Weisse
  • Supercritical fluid systems
    Patent number: 11225905
    Abstract: Supercritical fluid systems and aircraft power systems are described. The systems include a compressor, a turbine operably coupled to the compressor, a generator operably coupled to the turbine and configured to generate power, a primary working fluid flow path having a primary working fluid configured to pass through the compressor, a separator, the turbine, and back to the compressor, and a secondary working fluid flow path passing through the generator, the compressor, the separator, and back to the generator. The primary working fluid is supercritical carbon dioxide (sCO2) and the secondary working fluid is a fluid having at least one of a density less than the primary working fluid and a molecular size smaller than the primary working fluid.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: January 18, 2022
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Brian M. Holley, Christopher Britton Greene