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公开(公告)号：US11137294B2
公开(公告)日：2021-10-05
申请号：US15901383
申请日：2018-02-21
Applicant: Rolls-Royce Corporation
Inventor： Brian Thomas Spangler , John V. Watkin , Timothy C. Keeney , Neil James Dunaway
IPC: G01K15/00 , G01K7/02 , G01K7/04 , G01K13/02 , G01K13/024
Abstract: Systems and methods are provided to detect a failed thermocouple. A temperature in a gas path of a gas turbine engine may be measured, where the temperature is based on a signal generated by a thermocouple during a startup of the gas turbine engine and/or during an idle period that immediately follows the startup, and the thermocouple protrudes into the gas path. A failure of the thermocouple may be detected if the temperature is determined to be less than a threshold temperature.
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公开(公告)号：US20210301760A1
公开(公告)日：2021-09-30
申请号：US16836080
申请日：2020-03-31
Inventor： David L. Sutterfield , Todd S. Taylor , Jack D. Petty , Andrew Sanderson , Bryan H. Lerg
Abstract: A propulsion unit includes a gas turbine engine arranged along an axis and an exhaust system coupled to the gas turbine engine. The gas turbine engine includes an engine core configured to discharge a core flow and a fan configured to be driven by the engine core to discharge a bypass flow. The exhaust system receives the mixed bypass and core flows from the gas turbine engine.
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公开(公告)号：US20210272396A1
公开(公告)日：2021-09-02
申请号：US16803382
申请日：2020-02-27
Applicant: Rolls-Royce Corporation
Inventor： David Loder
Abstract: An example method includes receiving, by one or more processors and via a sensor, a signal representing operational characteristics of a device included in an aircraft; determining, by the one or more processors and based on the signal, a partial discharge intensity value; receiving, by the one or more processors and via an environmental sensor, at least one environmental measurement of the device; modifying, by the one or more processors and based on the at least one environmental measurement, the partial discharge intensity value to determine a modified partial discharge intensity value; and responsive to determining that the modified partial discharge intensity value satisfies a threshold, outputting an alert signal for the device.
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公开(公告)号：US20210260701A1
公开(公告)日：2021-08-26
申请号：US16797718
申请日：2020-02-21
Applicant: Rolls-Royce Corporation
Inventor： Scott Nelson , Peter E. Daum , Quinlan Yee Shuck
Abstract: A method for additive manufacturing, the method including delivering, via one or more delivery nozzles of a deposition head, a feedstock material to a substrate, wherein the delivered material defines a material distribution volume on and/or adjacent the substrate; and rotating the deposition head about an axis to control the material distribution volume, wherein the rotation of the deposition head adjusts a position of the one or more delivery nozzles of the deposition head relative to the substrate
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公开(公告)号：US11098730B2
公开(公告)日：2021-08-24
申请号：US16382398
申请日：2019-04-12
Applicant: Rolls-Royce Corporation
Inventor： Steven Mazur
Abstract: A diffuser assembly is disclosed for conditioning the effluent of a centrifugal compressor. The diffuser assembly comprises an annular conduit, a first set of vanes, and a second set of vanes. The annular conduit comprises a first wall and a second wall displaced from each other and cooperating to define an inlet, an outlet, and a passage extending from the inlet to the outlet. The passage has a first linear portion, a curved portion, and a second linear portion. The first set of vanes are positioned in the first linear portion of said passage. The second set of vanes are positioned in the curved portion of the passage. Each vane of the second set of vanes curves axially and laterally from a vane leading edge to a vane trailing edge.
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Patent Agency Ranking
公开(公告)号：US20210254489A1
公开(公告)日：2021-08-19
申请号：US17100388
申请日：2020-11-20
Applicant: ROLLS-ROYCE plc , ROLLS-ROYCE Corporation
Inventor： Simon J. Donovan , Peter E. Daum , Christopher P. Heason
IPC: F01D11/12 , B23K26/00 , B23K26/08 , B23K26/144 , B23K26/342 , B33Y10/00 , B33Y50/02 , C22C19/05 , B33Y80/00
Abstract: A method of forming a wall structure on a substrate comprises depositing, by additive-layer, powder-fed, laser-weld deposition apparatus, a plurality of material layers overlying one another on the substrate to form the wall structure. Each material layer of the plurality of material layers has (a) a layer thickness, measured in a direction locally perpendicular to a profile of the substrate, of no greater than about 350 μm and (b) a layer width, measured in a direction locally parallel to the profile of the substrate, of no greater than about 1200 μm.
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公开(公告)号：US20210254476A1
公开(公告)日：2021-08-19
申请号：US16951947
申请日：2020-11-18
Applicant: Rolls-Royce Corporation
Inventor： Joseph Peter Henderkott , Corina Moga , John Alan Weaver , Michael Wood
Abstract: A gas turbine engine component may include an airfoil extending radially from a base to a blade tip, the airfoil including a pressure sidewall and a suction sidewall each extending between a leading edge and a trailing edge opposite the leading edge, an internal cooling circuit extending from the base to the blade tip; and a squealer tip. The squealer tip may include a first and a second squealer tip rail adjacent to the first squealer tip rail, and a squealer tip cap extending between the first and second squealer tip rails. The blade tip, the first and second squealer tip rails, and the squealer tip cap may define an internal squealer tip cooling channel. The blade tip may define a supply aperture that fluidly connect the internal cooling circuit and the internal squealer tip cooling channel.
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公开(公告)号：US11092983B2
公开(公告)日：2021-08-17
申请号：US16441375
申请日：2019-06-14
Applicant: Rolls-Royce Corporation
Inventor： Michael Cybulsky , Taylor K. Blair , Benjamin Zimmerman , Marshall Louis Sweet , Andrea Marcon
Abstract: An example system includes at least one acoustic sensor and one optical sensor to monitor a thermal spray system controlled by a plurality of control parameters and performing a process associated with a plurality of process outputs. The system includes a computing device including a machine learning module and a control module. The machine learning module is configured to determine, based on at least the plurality of control parameters, an at least one time-dependent acoustic data signal, an at least one image data signal, and the plurality of process outputs, a relationship between the plurality of control parameters and the plurality of process outputs by machine learning. The control module is configured to control the thermal spray system to adjust the plurality of process outputs toward a plurality of respective operating ranges.
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公开(公告)号：US11092027B2
公开(公告)日：2021-08-17
申请号：US16688562
申请日：2019-11-19
Inventor： Ted J. Freeman , David J. Thomas , Jeffrey A. Walston , Aaron D. Sippel
Abstract: A turbine shroud assembly for use with a gas turbine engine includes a carrier assembly coupled to a blade track segment, and a sheet-metal seal that seals on axial and radial facing surfaces therebetween. The blade track segment includes a shroud wall that extends circumferentially partway around an axis and an attachment feature that extends radially outward from the shroud wall. The carrier is coupled with the attachment feature to support the blade track segment.
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公开(公告)号：US11090771B2
公开(公告)日：2021-08-17
申请号：US16181035
申请日：2018-11-05
Applicant: Rolls-Royce Corporation
Inventor： Joseph Peter Henderkott , Robert Frederick Proctor
Abstract: An assembly for a dual-walled component of a gas turbine engine and methods of forming and repairing a dual-walled component. The assembly includes a cold section part having an outer surface that defines a plurality of impingement apertures, a hot section part including a pre-sintered preform, the hot section part positioned over the outer surface of the cold section part, and a plurality of support structures including the pre-sintered preform, the plurality of support structures positioned between the hot section part and the cold section part, the plurality of support structures separating the hot section part from the cold section part to define at least one cooling channel therebetween.
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