Patents Assigned to Raytheon Technologies Corporation
  • Restraining plug
    Patent number: 11624294
    Abstract: A method for assembling a plug assembly for plugging one or more ports of a gas turbine engine including that a first arm is inserted into a sheath through-passage of a sheath. The method includes a second arm is inserted into the sheath through-passage of the sheath. The method further includes a separating mechanism is inserted into the sheath through-passage between the first arm and the second arm, a biasing mechanism is installed, and a top housing is slid over the biasing mechanism such that the biasing mechanism is located in a cavity defined within the top housing. The biasing mechanism being configured to apply a force to the first arm and the second arm when the biasing mechanism is located in the cavity. The method may also include that the top housing is secured together with the sheath.
    Type: Grant
    Filed: December 21, 2021
    Date of Patent: April 11, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventor: Utah Moffett
  • Solution composition and method for single-bath post treatment of substrate
    Patent number: 11624121
    Abstract: Disclosed is a solution composition which may be used for a single-bath electrochemical passivation and a method using the same. The solution composition includes a metal cation, a metal-oxide anion; and an organic ligand, and optionally includes a non-metallic oxide anion or a polymer. The solution composition may prevent undesired precipitation of metal oxides before performing passivation. In addition, the method of passivation using the solution composition in a single-bath use is also provided.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 11, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Weilong Zhang, Michael A. Kryzman
  • Machinable coatings fabricated by slurry methods for use on ceramic matrix composites
    Patent number: 11623897
    Abstract: A blade outer air seal has at least one internal surface and a layer atop the at least one internal surface. The layer has: a matrix comprising at least one of hafnium silicate (HfSiO4) and zirconium silicate (ZrSiO4), ytterbium disilicate (Yb2Si2O7); and barium magnesium alumino silicate (BMAS) or other alkaline earth aluminosilicate.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: April 11, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Imelda P. Smyth, Xia Tang
  • PROCESSES AND TOOLING ASSOCIATED WITH COATING APPLICATION
    Publication number: 20230105504
    Abstract: A drench system includes a rotating mount to rotate a workpiece, a showerhead to dispense a fluid onto the workpiece; and a tray to collect the fluid and recirculate the fluid to the shower. A method of repairing or remanufacturing a coating includes abrading a surface to at least partially remove a portion of a coating to leave an abraded surface; applying a sol-gel over the abraded surface; applying a corrosion resistant primer onto the sol-gel; and applying an erosion coating onto the corrosion resistant primer.
    Type: Application
    Filed: October 14, 2022
    Publication date: April 6, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: John Harner, John D. Riehl, Gary A. Wigell, Michael A. Morden, Brandon A. Gates
  • AUXILIARY COMPONENT MOUNTING SYSTEM FOR GAS TURBINE ENGINES
    Publication number: 20230105543
    Abstract: An assembly for mounting an auxiliary component to an engine case of a gas turbine engine includes a support bracket, the support bracket having a first end configured for attachment to a first flange of the engine case, a second end configured for attachment to a second flange of the engine case, and an intermediate portion located intermediate the first end and the second end; a bearing member disposed within the intermediate portion; a locator disposed within the bearing member; a first plurality of bolts configured to attach the first end of the support bracket to the first flange; a second plurality of bolts configured to attach the second end of the support bracket to the second flange; and a mechanical fuse.
    Type: Application
    Filed: October 1, 2021
    Publication date: April 6, 2023
    Applicant: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Octavio Martin, Steven M. Danley
  • Combustor to vane sealing assembly and method of forming same
    Patent number: 11619174
    Abstract: A brush seal system includes a component including a first mating surface. The brush seal system further includes a brush seal including a brush seal backing plate, a retaining ring, and a plurality of bristles retained between the brush seal backing plate and the retaining ring. The brush seal backing plate includes a second mating surface mounted to the first mating surface. The brush seal system further includes at least one cooling channel extending from an exterior side of the component to an interior side of the component so as to bypass the brush seal.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: April 4, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Caroline Karanian, Steven D. Porter, John T. Ols
  • Multi-mode microwave waveguide blade sensing system
    Patent number: 11619567
    Abstract: A multi-mode microwave waveguide blade sensing system includes a transceiver, a waveguide, and a probe sensor. The transceiver generates a microwave energy signal having a first waveguide mode and a different second waveguide mode. The waveguide includes a first end that receives the microwave energy signal. The probe sensor includes a proximate end that receives the microwave energy signal from the transceiver and a distal end including an aperture that outputs the microwave energy signal. The probe sensor directs the microwave energy signal at a first direction based on the first waveguide mode and a different second direction different based on the second waveguide mode. The probe sensor receives different levels of reflected microwave energy based at least in part on a location at which the at least one microwave energy signal is reflected from the machine.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: April 4, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Jonathan Gilson, Joseph V. Mantese, Gurkan Gok, Goran Djuknic, Coy Bruce Wood, Joseph Zacchio
  • Non-contact seal for rotational equipment with axially expended seal shoes
    Patent number: 11619309
    Abstract: An assembly is provided for rotational equipment. This rotational equipment assembly includes a plurality of seal shoes, a seal base, a plurality of spring elements and a secondary seal assembly. The seal shoes are arranged circumferentially about an axial centerline in an annular array. The seal shoes include a first seal shoe. The seal base circumscribes the annular array. The spring elements include a first spring element. The first spring element connects and extends between the first seal shoe and the seal base. The secondary seal assembly is configured to seal a gap between the seal base and the seal shoes. An axial end portion of the first seal shoe projects axially along the axial centerline, in a direction away from the first spring element, beyond the secondary seal assembly.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: April 4, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Eric A. Grover, Jagannath Pranatharthikaran
  • Double brush seal assembly
    Patent number: 11619138
    Abstract: A seal assembly for a gas turbine engine according to an example of the present disclosure includes, among other things, a first side plate, a second side plate and a backing plate that extend circumferentially about an assembly axis. A first brush seal and a second brush seal are positioned on opposite sides of the backing plate such that the first brush seal is between the first side plate and the backing plate and such that the second brush seal is between the second side plate and the backing plate. The first brush seal is dimensioned to establish a first sealing relationship with a first gas turbine engine component. The second brush seal is dimensioned to establish a second sealing relationship with a second gas turbine engine component. A method of assembly is also disclosed.
    Type: Grant
    Filed: April 30, 2021
    Date of Patent: April 4, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventor: Robert A. White, III
  • Fatigue resistant blade outer air seal
    Patent number: 11619136
    Abstract: A blade outer air seal segment including a radially outward surface, a radially inward surface oriented away from the radially outward surface, and a cooling channel located between the radially outward surface and the radially inward surface. The blade outer air seal segment also including a stress-relief boss extending into the cooling channel and an inlet orifice fluidly coupled to the cooling channel through the stress-relief boss. The blade outer air seal segment further including a stress-relief recess. The stress-relief boss being located within the stress relief recess.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: April 4, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Brian C. McLaughlin, Paul M. Lutjen, Richard K. Hayford, Anthony B. Swift
  • Carbon seal assembly
    Patent number: 11619237
    Abstract: A seal assembly includes a housing at least partially defining a seal opening and at least partially surrounding a rotatable shaft. A carbon seal is located at least partially in the seal opening and includes a sealing surface. The rotatable shaft includes a radially facing surface that has a carbide based coating and a diamond-like carbon coating in engagement with the sealing surface on the carbon seal.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 4, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Pantcho P. Stoyanov, Jonathan F. Zimmitti, Nasr A. Shuaib
  • PROCESS AND MATERIAL CONFIGURATION FOR MAKING HOT CORROSION RESISTANT HPC ABRASIVE BLADE TIPS
    Publication number: 20230102823
    Abstract: An abrasive coating system for a substrate of an airfoil in a turbine engine high pressure compressor, comprising a plurality of grit particles adapted to be placed on a top surface of the substrate; a matrix material bonded to the top surface; the matrix material partially surrounds the grit particles, the matrix material consisting of unalloyed chromium and unalloyed aluminum distributed throughout the matrix material, wherein the grit particles extend above the matrix material relative to the top surface; and a film of oxidant resistant coating applied over the plurality of grit particles and the matrix material.
    Type: Application
    Filed: December 6, 2022
    Publication date: March 30, 2023
    Applicant: Raytheon Technologies Corporation
    Inventor: Christopher W. Strock
  • ENVIRONMENTAL BARRIER COATING FOR ENHANCED RESISTANCE TO ATTACK BY MOLTEN SILICATE DEPOSITS
    Publication number: 20230098723
    Abstract: An environmental barrier coating, comprising a substrate containing silicon; an environmental barrier layer applied to said substrate; said environmental barrier layer comprising a rare earth composition.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 30, 2023
    Applicant: Raytheon Technologies Corporation
    Inventors: Elisa M Zaleski, Richard Wesley Jackson, Xia Tang
  • Systems and methods for optimal source material deposition along hole edges
    Patent number: 11613805
    Abstract: A method for depositing a coating of a source material onto a panel is disclosed. The method includes providing a cathodic arc, the cathodic arc including a target surface, the target surface disposed along a target deposition axis and able to emit the source material as a generally cloud of source material vapor and a generally conical stream of liquid particles of the source material. The method further includes positioning the panel relative to the target surface based on a deposition angle, the deposition angle being between the target surface and an outer limit of the generally conical stream of liquid particles o the source material. The method may further include emitting the source material from the target surface as the generally conical cloud of source material vapor and coating the edge with the cloud of source material vapor to provide an edge coating.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: March 28, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Michael N. Task, Russell A. Beers
  • Split case structure for a gas turbine engine
    Patent number: 11614002
    Abstract: An assembly is provided for a gas turbine engine. This gas turbine engine assembly includes a split case structure. The split case structure includes a first wall, a second wall, a first case segment and a second case segment. The first wall extends axially along and circumferentially about an axial centerline. The second wall extends axially along and circumferentially about the axial centerline. The second wall is radially outboard of and axially overlaps the first wall. The first case segment is configured to form a first portion of the first wall and a first portion of the second wall. The second case segment is configured to form a second portion of the first wall and a second portion of the second wall. The second case segment is circumferentially adjacent and attached to the first case segment at a joint.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: March 28, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Lawrence A. Binek, Randolph T. Lyda
  • Engine gateway with engine data storage
    Patent number: 11615653
    Abstract: A system includes an engine control configured to control a gas turbine engine and a means for wirelessly communicating with an offboard system and communicating with the engine control by establishing communication with the engine control on a first communication bus using system credential authentication, establishing communication between the engine control and a data storage system on a second communication bus, establishing wireless communication with the offboard system using system credential authentication, and providing access from the offboard system to the engine control and from the engine control to the data storage system to enable one or more updates of the data storage system by the offboard system based on service credential authentication.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: March 28, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Paul Raymond Scheid, Jason E. Posniak, William C. Lamberti
  • Integrated electro-aero-thermal turbine engine
    Patent number: 11613998
    Abstract: A turbine engine includes integrated electric machines in the compressor section and the turbine section to supplement power produced from fuel with electric power. The example compressor section includes a compressor electric motor that is coupled to a compressor generator. The example turbine section includes a turbine electric motor that is coupled to the geared architecture to supplement power driving the fan section. A turbine generator provides electric power to the turbine electric motor.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: March 28, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Daniel Bernard Kupratis, Zubair Ahmed Baig, Gary Collopy, Coy Bruce Wood
  • Turbine section of gas turbine engine
    Patent number: 11614036
    Abstract: A gas turbine engine according to an example of the present disclosure includes, among other things, a propulsor including a circumferential array of blades, a low pressure compressor section including a low pressure compressor section inlet with a low pressure compressor section inlet annulus area and a low pressure turbine section. The low pressure turbine section includes a maximum gas path radius, the blades include a maximum radius, and a ratio of the maximum gas path radius to the maximum radius of the blades is equal to or greater than 0.35, and is less than 0.55.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: March 28, 2023
    Assignee: RAYTHEON TECHNOLOGIES CORPORATION
    Inventors: Paul R. Adams, Shankar S. Magge, Joseph B. Staubach, Wesley K. Lord, Frederick M. Schwarz, Gabriel L. Suciu
  • Engine article with integral liner and nozzle
    Patent number: 11612938
    Abstract: A core engine article includes a combustor liner defining a combustion chamber therein and a turbine nozzle. The combustor liner includes a plurality of injector ports, and the plurality of injector ports have a shape that tapers to a corner on a forward side of the injector ports. The turbine nozzle includes a plurality of airfoils. The combustor liner and turbine nozzle are integral with one another. A method of making a core engine article is also disclosed.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: March 28, 2023
    Assignee: Raytheon Technologies Corporation
    Inventors: Lawrence Binek, Jesse R. Boyer, Dmytro Mykolayovych Voytovych
  • LOW PRESSURE COMPRESSOR CONTROL FOR A GAS TURBINE ENGINE
    Publication number: 20230089700
    Abstract: A gas turbine engine includes a low speed spool mechanically interconnecting a low pressure turbine and at least one of a fan and a prop, a high speed spool mechanically interconnecting a high pressure turbine and a high pressure compressor, and an epicyclic gear system mechanically coupled to the high speed spool. The gas turbine engine also includes a low pressure compressor mechanically coupled to the high speed spool via the epicyclic gear system. The low pressure compressor may be mechanically independent of the low speed spool. The gas turbine engine may include a plurality of motor-generators for transferring power between the high speed spool and the low pressure compressor.
    Type: Application
    Filed: November 30, 2022
    Publication date: March 23, 2023
    Applicant: RAYTHEON TECHNOLOGIES CORPORATION
    Inventor: Daniel Bernard Kupratis