Patents Assigned to RTX Corporation
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Publication number: 20250146438Abstract: An accessible debris separator for a gas turbine engine is provided. The accessible debris separator including a chamber formed by a entrance wall, an exit wall, an inner wall, and an outer wall; a plurality of inlet openings in the entrance wall; a plurality of outlet openings in the exit wall; and a component within the chamber, the component forcing cooling air with debris particulates entering the chamber via an inlet opening of the plurality of inlet openings to take a circuitous path thereby separating the debris particulates from the cooling air prior to the cooling air exiting the chamber via an outlet opening of the plurality of outlet openings.Type: ApplicationFiled: January 13, 2025Publication date: May 8, 2025Applicant: RTX CorporationInventors: PAUL M. LUTJEN, JOSE R. PAULINO, TRACY A. PROPHETER-HINCKLEY
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Publication number: 20250146441Abstract: An electrically boosted cooling air system including a high pressure compressor; at least one cooling air supply line coupling the high pressure compressor with at least one of a high pressure turbine and a low pressure turbine; and an electrically powered centrifugal compressor fluidly coupled with the at least one cooling air supply line; wherein the electrically powered centrifugal compressor is configured to provide at least one of a pressure increase and a flow rate increase for cooling air supplied from the high pressure compressor.Type: ApplicationFiled: November 2, 2023Publication date: May 8, 2025Applicant: RTX CorporationInventors: Jorn A. Glahn, Kimberly J. Liang, Christopher J. Hanlon
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Patent number: 12291337Abstract: An environmental control system (ECS) for use with a gas turbine engine has an air cycle system (ACS) and a vapor cycle system (VCS). The VCS has along a vapor compression flowpath: a VCS compressor; a heat donor leg of a VCS condenser; an expansion device; and a heat receiving leg of a VCS evaporator. The ACS has along a bleed flowpath: a bleed air inlet; a primary heat exchanger; an ACS compressor; a secondary heat exchanger; a turbine coupled to the ACS compressor to drive the ACS compressor; a heat donor leg of the VCS evaporator; a water collector; and a heat receiving leg of the VCS condenser.Type: GrantFiled: February 18, 2022Date of Patent: May 6, 2025Assignee: RTX CorporationInventor: Alan F. Retersdorf
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Patent number: 12291783Abstract: An example article according to the present disclosure includes, among other possible things, a metallic substrate, and a bond coat on the metallic substrate. The bond coat includes a matrix phase, gettering particles in the matrix phase, wherein the gettering particles are reactive with oxidants, and a dispersion of matrix modifier particles in the matrix phase. The example article also includes a diffusion barrier between the bond coat and the metallic substrate, wherein the diffusion barrier is configured to inhibit diffusion of components from the bond coat into the metallic substrate. An example composite material and method of applying a barrier to a substrate are also disclosed.Type: GrantFiled: August 16, 2021Date of Patent: May 6, 2025Assignee: RTX CorporationInventors: Xia Tang, Richard Wesley Jackson, James T. Beals, Kenneth David Smith
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Patent number: 12292116Abstract: A seal assembly includes a housing that includes a seal flange at least partially defining a seal opening. A carbon seal is located at least partially in the seal opening and includes a first axially facing surface. The seal flange includes an axially facing surface that has a carbide based coating and a diamond-like carbon coating in engagement with the first axially facing surface on the carbon seal.Type: GrantFiled: June 6, 2023Date of Patent: May 6, 2025Assignee: RTX CorporationInventors: Pantcho P. Stoyanov, Jonathan F. Zimmitti, Nasr A. Shuaib
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Patent number: 12292199Abstract: A combustor for a rotating detonation engine includes a radially outer wall extending along an axis (A); a radially inner wall extending along the axis (A), wherein the radially inner wall is positioned within the radially outer wall to define an annular detonation chamber having an inlet for fuel and oxidant and an outlet; a first passage for feeding at least one of the fuel and the oxidant along a first passage axis (a1) to the inlet; a second passage for feeding at least one of the fuel and the oxidant along a second passage axis (a2) to the inlet, wherein the second passage axis is arranged at an angle (?) relative to the first passage axis whereby mixing of flow from the first passage and the second passage is induced.Type: GrantFiled: June 23, 2023Date of Patent: May 6, 2025Assignee: RTX CorporationInventors: Zhongtao Dai, Peter A T Cocks
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Patent number: 12291998Abstract: A hybrid electric propulsion system is provided that includes a thermal engine, at least one electric generator, at least one lubrication fluid pump, at least one electric motor, and a controller. The electric generator is driven by the thermal engine, and is configured to produce electrical power. The lubrication fluid pump is configured to provide a volumetric flow rate of lubrication fluid to at least one component of the thermal engine. The electric motor is configured to drive the lubrication fluid pump using electrical power from the electric generator. The controller is in communication with the electric motor and a memory device storing instructions, which instructions when executed cause the controller to control the electric motor to drive the lubrication fluid pump to produce lubrication fluid at a determined volumetric fluid flow rate to the at least one component of the thermal engine.Type: GrantFiled: February 27, 2023Date of Patent: May 6, 2025Assignee: RTX CorporationInventor: Adam Gallagher
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Patent number: 12291970Abstract: A seal assembly includes a carbon seal that has a sealing surface. A seal seat has a sealing surface and is positioned for rotation relative to the carbon seal. A diamond-like carbon coating at least partially forms the sealing surface on the seal seat.Type: GrantFiled: June 15, 2023Date of Patent: May 6, 2025Assignee: RTX CorporationInventors: Pantcho P. Stoyanov, Jonathan F. Zimmitti, Nasr A. Shuaib
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Patent number: 12292006Abstract: An assembly is provided for an aircraft propulsion system. This assembly includes an engine core, a bypass duct and a bleed circuit. The engine core includes a compressor section, a combustor section, a turbine section and a core flowpath extending sequentially through the compressor section, the combustor section and the turbine section. The bypass duct includes a bypass flowpath outside of the engine core. The bleed circuit includes a bleed passage and a flow regulator. The bleed circuit is configured to direct bypass gas through the bleed passage from the bypass flowpath into the core flowpath when the flow regulator is in an open position. The bleed circuit is configured to cutoff gas flow through the bleed passage between the bypass flowpath and the core flowpath when the flow regulator is in a closed position.Type: GrantFiled: August 14, 2023Date of Patent: May 6, 2025Assignee: RTX CorporationInventors: Jui-Lin Chang, Paul R. Hanrahan
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Patent number: 12286898Abstract: A layout for asymmetric trip strips including a flow passage having a lower wall and an upper wall opposite the lower wall, each of the lower wall and the upper wall including an inner surface, the flow passage having a passage inlet and a length L and a diameter d; multiple skewed trip strips extending from at least one inner surface of the lower wall or the upper wall; and at least one periodic reflection of the skewed trip strips along the flow passage downstream of the passage inlet at a frequency with a length-to-diameter ratio of L/d?20.Type: GrantFiled: April 18, 2023Date of Patent: April 29, 2025Assignee: RTX CorporationInventors: Tyler G. Vincent, Joshua William Owen Richards
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Publication number: 20250129721Abstract: In a method for manufacturing a turbine engine element such as a blade or vane, the element has an airfoil. The method includes: applying a load across an assembly of a first cast portion of the airfoil and a second cast portion of the airfoil; and applying current across a junction of the first cast portion and the second cast portion to fuse the second cast portion to the first cast portion.Type: ApplicationFiled: December 23, 2024Publication date: April 24, 2025Applicant: RTX CorporationInventors: John R. Farris, John A. Sharon, Alan D. Cetel, Dilip M. Shah
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Patent number: 12281584Abstract: An assembly is provided for a turbine engine. This turbine engine assembly includes a rotating assembly configured to rotate about an axis. The rotating assembly includes an engine component and a phonic wheel. The engine component includes a first material and a plurality of apertures arranged circumferentially about the axis. The phonic wheel includes a second material and a plurality of teeth arranged circumferentially about the axis. Each of the teeth projects axially into a respective one of the apertures. One of the first material and the second material is or otherwise includes non-ferromagnetic material. Another one of the first material and the second material is or otherwise includes ferromagnetic material.Type: GrantFiled: May 26, 2023Date of Patent: April 22, 2025Assignee: RTX CorporationInventors: Allison L. Bouldin, Joseph B. Phelps
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Patent number: 12281702Abstract: A non-metallic engine case inlet compression seal for a gas turbine engine includes a non-metallic longitudinal leg section that extends from the non-metallic arcuate interface section and a non-metallic mount flange section that extends from the longitudinal leg section.Type: GrantFiled: January 30, 2024Date of Patent: April 22, 2025Assignee: RTX CorporationInventor: Anthony R. Bifulco
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Patent number: 12281595Abstract: A turbine component includes a body having a pair of spaced walls, with at least one of the walls for facing a fluid flow when mounted in a gas turbine engine. There are a plurality of wall cooling passages having a generally boomerang shape such that a peak apex is spaced from the wall and an indent apex is adjacent to the wall, with the plurality of wall cooling passages having interior sides extending from the peak apex toward the wall to define a corner. Outer sides extend from the corners with a component away from the wall and to the indent apex. A gas turbine engine is also disclosed.Type: GrantFiled: October 13, 2023Date of Patent: April 22, 2025Assignee: RTX CorporationInventors: Brandon W. Spangler, David R. Pack, Jaime G. Ghigliotty Rosado
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Patent number: 12281597Abstract: A method of forming a vane assembly for a gas turbine engine includes the steps of 1) determining a re-stagger angle for an airfoil on a ceramic matrix composite (“CMC”) vane, 2) determine an adjusted position of a baffle to be inserted within a central chamber in the vane, inserting the baffle into a bathtub seal, and adjusting an upper face of the baffle to an orientation relative to a bathtub seal support face to account for the adjusted position of the baffle and 3) fixing the baffle upper face to the bathtub seal flange support face. A vane assembly and a gas turbine engine are also disclosed.Type: GrantFiled: August 21, 2023Date of Patent: April 22, 2025Assignee: RTX CorporationInventors: David J. Wasserman, Craig R. McGarrah
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Publication number: 20250123000Abstract: A gas turbine engine component having a substrate; a thermal barrier coating on the substrate having a porous microstructure; and a reflective layer conforming to the porous microstructure of the thermal barrier coating, wherein the reflective layer comprises a conforming nanolaminate defined by alternating layers of platinum group metal materials selected from the group consisting of platinum group metal-based alloys, platinum group metal intermetallic compounds, mixtures of platinum group metal with metal oxides and combinations thereof. A capping layer can be added over the reflective layer. A supporting layer can be added between the reflective layer and the thermal barrier coating. A process is also disclosed.Type: ApplicationFiled: December 19, 2024Publication date: April 17, 2025Applicant: RTX CorporationInventors: Tianli Zhu, Richard Wesley Jackson, III, John A. Sharon, James T. Beals, Brian T. Hazel
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Patent number: 12276339Abstract: An apparatus has: a first member (120); a shaft (40; 50) rotatable relative to the first member about an axis; and a seal system (100). The seal system has a seal carrier (150) having: an axially-extending wall (156) having an inner diameter (ID) surface (160); and a radially-extending wall (154) having a first surface (158). A seal (102) is carried by the first member and has: an outer diameter (OD) surface (206); and a seal face (106). A seat (104) is carried by the shaft and has a seat face (108) in sliding sealing engagement with the seal face. One or more springs (132) bias the seal carrier relative to the first member so as to bias the seal face against the seat face. A key (240; 280; 300; 338) spans an interface between the seal carrier and the seal.Type: GrantFiled: January 20, 2023Date of Patent: April 15, 2025Assignee: RTX CorporationInventors: Jacob Peter Mastro, Andrew V. Schwendenmann
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Publication number: 20250115768Abstract: A multi-phase radiative and thermal barrier coating system including a substrate having a substrate surface; a first layer deposited on the substrate surface; a second layer deposited on the first layer, the second layer having an outer surface, wherein the second layer comprises radiative barrier materials in a porous thermal conduction and radiant heat transfer resistant microstructure.Type: ApplicationFiled: October 6, 2023Publication date: April 10, 2025Applicant: RTX CorporationInventors: Richard Wesley Jackson, III, Andrew Spaeth, Tianli Zhu, Thomas J. Martin
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Publication number: 20250119070Abstract: An AC/DC converter can include an alternating current (AC) source configured to output AC, one or more AC lines electrically connected to the AC source to conduct the AC, a conversion circuit operatively electrically connected to the one or more AC lines to receive AC, one or more filter inductors electrically connected to at least one of the one or more AC lines, and an inductance control system operatively connected to the one or more filter inductors to modify the inductance of the one or more filter inductors.Type: ApplicationFiled: October 10, 2023Publication date: April 10, 2025Applicant: RTX CorporationInventors: Bo Liu, Parikshith Channegowda, Suman Dwari
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Patent number: 12270545Abstract: A gas turbine engine combustor panel assembly includes a shell defining an outer periphery of a combustion chamber with an outer skin with a first plurality of holes, a combustor panel including a first end, a second plurality of holes extending through an inner face to an inner void, to an outer face with a third plurality of holes to allow fluid flow from the first plurality of holes to the combustion chamber, a plurality of bolt holes, a second end with an internal combustion chamber section extending axially from a central axis and from a panel wall of the combustor panel. The assembly includes a sheet metal seal plate abutting the plurality of bolt holes and the interface, and a plurality of bolts extending along a central axis and interfacing with the plurality of bolt holes to connect the combustor panel and shell.Type: GrantFiled: May 20, 2024Date of Patent: April 8, 2025Assignee: RTX CorporationInventor: Raymond Surace