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公开(公告)号：US20230193768A1
公开(公告)日：2023-06-22
申请号：US17558137
申请日：2021-12-21
Inventor： Jeffrey F. Rhodes , Jack Moody , Jerry Layne
CPC classification number: F01D9/041 , F01D5/187 , F01D9/042 , F05D2230/21 , F05D2240/122 , F05D2260/30 , F05D2260/201 , F05D2260/232
Abstract: A gas turbine nozzle guide vane structure includes a vane shaped as an airfoil and having a vane trailing edge, an endwall including an opening to receive an end of the vane, and an element securing the endwall and the vane to each other. Clearance remaining between the endwall and the vane defines a plenum to feed cooling air to the vane at a location adjacent the vane trailing edge. Certain arrangements may have a purge groove defined in at least one of the endwall and the vane and located between the endwall and the vane to receive cooling fluid supplied. In certain arrangements, the structure may include a cover sheet on the endwall defining a gap with the vane, the purge groove configured to receive cooling fluid that exits through the gap.
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公开(公告)号：US20230159174A1
公开(公告)日：2023-05-25
申请号：US17456501
申请日：2021-11-24
Inventor： Riggs Baxter , Peter Laux , Mathew Hill , John Timothy Alt
CPC classification number: B64D27/24 , H02J7/0013 , B64D2221/00
Abstract: An example system includes one or more battery modules, a battery module of the one or more battery modules comprising: a cylindrical pressure vessel; a cooling channel extending axially through the cylindrical pressure vessel; and one or more battery packs within the cylindrical pressure vessel, a battery pack of the one or more battery packs comprising a plurality of battery cells radially distributed about the cooling channel.
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公开(公告)号：US11657496B2
公开(公告)日：2023-05-23
申请号：US16433418
申请日：2019-06-06
Applicant: Rolls-Royce North American Technologies Inc.
Inventor： Ronald Knerr
CPC classification number: G06T7/001 , F01D5/005 , F01D21/003 , G01B21/047 , G06T7/75 , F05D2230/80
Abstract: An inspection support apparatus comprises a support bed and a platform base wherein the support bed includes spaced first and second index surfaces adapted to support first and second portions, respectively, of an airfoil in fixed positions relative to the support bed. An adjustment apparatus is coupled to the support bed and the platform base and is adapted to establish a desired fixed positional relationship between the support bed and the platform base in three dimensions.
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公开(公告)号：US11635000B1
公开(公告)日：2023-04-25
申请号：US17560697
申请日：2021-12-23
Inventor： Jack Moody , Jerry Layne , Jeffrey F. Rhodes , Brett Barker , Eric Koenig
Abstract: An endwall may be disposed at one end of a vane assembly. The endwall may comprise an endwall spar and a coversheet on the hot surface of the endwall spar. The endwall may further comprise a cooling fluid channel between the hot surface of the endwall spar and the cold surface of the coversheet. The cooling fluid channel may include a cooling fluid inlet disposed in the endwall spar, and a cooling fluid outlet. The cooling fluid outlet may be formed at an angle with the axis of the endwall spar. A plurality of pedestals may be disposed on the hot surface of the endwall spar extending into the cooling channel. The pedestals may be formed at an angle with the axis of the endwall spar to direct a cooling fluid.
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公开(公告)号：US11630031B2
公开(公告)日：2023-04-18
申请号：US17362311
申请日：2021-06-29
Applicant: Rolls-Royce North American Technologies Inc.
Inventor： Mark O'Leary
Abstract: An instrumentation assembly configured to measure properties of an engine exhaust stream is disclosed in this paper. The instrumentation assembly may include an outer support ring that extends around a central axis, an inner support ring arranged radially inward of the outer support ring around the central axis, and a plurality of instrumentation rake assemblies. The plurality of instrumentation rake assemblies extends from the outer support ring to the inner support ring across an annular passageway defined between the outer support ring and the inner support ring configured to carry the engine exhaust stream.
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Patent Agency Ranking
公开(公告)号：US11619170B1
公开(公告)日：2023-04-04
申请号：US17688465
申请日：2022-03-07
Applicant: Rolls-Royce North American Technologies Inc.
Inventor： Douglas D. Dierksmeier , Michael A. Karam
Abstract: A gas turbine engine includes a centrifugal compressor, a combustor, a radial turbine, and a cooling air metering system. The centrifugal compressor is configured to rotate about an axis to produce compressed air. The combustor is fluidly connected downstream of the centrifugal compressor to receive the compressed air from the centrifugal compressor. The radial turbine is fluidly connected with the combustor and is axially spaced apart from the centrifugal compressor. The cooling air metering system is configured to selectively block or allow a portion of the compressed air flowing radially between the centrifugal compressor and the radial turbine, bypassing the combustor, and through a heat exchanger for cooling the radial turbine and other components.
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公开(公告)号：US20230093658A1
公开(公告)日：2023-03-23
申请号：US17448661
申请日：2021-09-23
Inventor： Matthew T. Kush , Michael Wood , Scott Nelson , Joseph Peter Henderkott
Abstract: A method for forming a component for a gas turbine engine may include forming a first portion of the component that includes a cast metal or metal alloy, forming a second portion of the component that includes presintered preform defining at least one support structure, positioning the second portion on the first portion to define an assembly such that the first portion and the second portion define at least one cooling channel therebetween, and heating the assembly to join the first portion and the second portion and form the component.
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公开(公告)号：US20230076951A1
公开(公告)日：2023-03-09
申请号：US17469843
申请日：2021-09-08
Applicant: Rolls-Royce North American Technologies Inc.
Inventor： Alan W. Smith
Abstract: A redundant oil and fuel pumping system for use with a gas turbine engine. The pumping system includes a plurality of power supplies, a fuel system and an oil system. The fuel system pump being driven by electric motors controlled via variable frequency drives powered by the plurality of power supplies. The oil system pump being driven by electric motors controlled via variable frequency drives powered by the plurality of power supplies.
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公开(公告)号：US20230071735A1
公开(公告)日：2023-03-09
申请号：US17469845
申请日：2021-09-08
Applicant: Rolls-Royce North American Technologies Inc.
Inventor： Alan W. Smith
Abstract: An oil pumping system for use with a gas turbine engine includes an electric machine, an oil pump assembly, and a variable frequency drive controller. The variable frequency drive is connected with the electric machine and the oil pump assembly. The variable frequency drive controller is programmed to control a torque and speed of the pump motor independent of the gas turbine engine speed so that a flow of oil moved by the oil pump assembly is controlled to cool or lubricate components of the gas turbine engine independent of the gas turbine engine speed.
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公开(公告)号：US20230045973A1
公开(公告)日：2023-02-16
申请号：US17398643
申请日：2021-08-10
Inventor： Sean Andrew Morgan , Timothy Unton , Alan W. Smith , Adam Lagrange , James Christopher Muskat
Abstract: In some examples, a gas turbine engine including a high-pressure (HP) spool assembly including a HP shaft, a HP compressor and HP turbine; a lower pressure (LP) spool assembly including a LP shaft and LP turbine; a motor-generator coupled to the LP shaft; and a controller. The controller is configured to control the motor-generator to operate in a motor mode to apply torque the LP shaft during a starting of the HP spool assembly, and control the motor-generator to operate in a generator mode for a least a period of time following the starting of the HP spool assembly.
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