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公开(公告)号：US11739695B2
公开(公告)日：2023-08-29
申请号：US17351813
申请日：2021-06-18
发明人： Mehmet M. Dede , Byron Andrew Pritchard, Jr. , David Scott Diwinsky , Wayne Ray Grady , Marc Metz , Gary Lee Ward
CPC分类号： F02C7/32 , F01D25/285 , F02C3/04 , H04N7/181 , B05B13/0627 , F05D2220/32 , F05D2230/72 , F05D2230/90 , F05D2240/35 , Y02T50/60
摘要： A maintenance tool for gas turbine engine includes a rail system having a plurality of rail segments insertable through one or more inspection holes of the gas turbine engine for assembly within a core air flowpath of the gas turbine engine. The maintenance tool additionally includes a maintenance head movable along the plurality of rail segments of the rail system for performing maintenance operations within the core air flowpath.
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公开(公告)号：US11702955B2
公开(公告)日：2023-07-18
申请号：US16735191
申请日：2020-01-06
发明人： Michael Robert Millhaem , Andrew Crispin Graham , Byron Andrew Pritchard, Jr. , David Scott Diwinsky , Jeremy Clyde Bailey , Michael Edward Eriksen , Ambarish Jayant Kulkarni
CPC分类号： F01D25/002 , F02C7/30 , F05D2230/80
摘要： A method of repairing a component of a gas turbine engine in situ, wherein the component includes a deposit, includes directing a flow of gas, which may be an oxygen-containing gas, to the deposit of the component; and heating the component including the deposit while the component is installed in the gas turbine engine and for a duration sufficient to substantially remove the deposit.
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公开(公告)号：US11111813B2
公开(公告)日：2021-09-07
申请号：US15370360
申请日：2016-12-06
摘要： A method for inspecting a gas turbine engine using a maintenance tool includes assembling a plurality of rail segments of a rail system of the maintenance tool within a core air flowpath of the gas turbine engine. The gas turbine engine includes a compressor section, a combustion section, and a turbine section together defining at least in part the core air flowpath. The method also includes moving a maintenance head of the maintenance tool along the plurality of rail segments of the rail system to perform maintenance operations within the core air flowpath of the gas turbine engine.
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公开(公告)号：US20210254499A1
公开(公告)日：2021-08-19
申请号：US17095396
申请日：2020-11-11
发明人： Ambarish Jayant Kulkarni , Byron Andrew Pritchard, Jr. , Bernard Patrick Bewlay , Michael Edward Eriksen , Nicole Jessica Tibbetts
摘要： A turbine system includes a foam generating assembly having an in situ foam generating device at least partially positioned within the fluid passageway of the turbine engine, such that the in situ foam generating device is configured to generate foam within the fluid passageway of the turbine engine.
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公开(公告)号：US11027317B2
公开(公告)日：2021-06-08
申请号：US16576332
申请日：2019-09-19
发明人： Nicole Tibbetts , Bernard Patrick Bewlay , Sean Robert Keith , Byron Andrew Pritchard, Jr. , Brian Kalb , Evan Jarrett Dolley , Andrew James Jenkins , Alistair Searing , Stephen Francis Rutkowski
IPC分类号： B08B3/12 , C23G1/02 , C23G3/00 , B64F5/30 , B08B3/08 , B08B3/10 , B08B9/00 , C11D3/20 , C11D11/00 , F01D25/00
摘要： A cleaning system and method uses a tank holding a fluid detergent and an equipment assembly formed from a plurality of discrete components joined together. One or more ultrasound transducers remove one or more deposits on the equipment assembly by generating and propagating high frequency ultrasound waves into the fluid detergent while the equipment assembly is in contact with the fluid detergent.
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公开(公告)号：US10167725B2
公开(公告)日：2019-01-01
申请号：US14861522
申请日：2015-09-22
发明人： Robert Francis Manning , Victor Hugo Silva Correia , Jared Peter Buhler , Byron Andrew Pritchard, Jr. , William Collins Vining , Corey Bourassa , Gregory Michael Laskowski , David Vickery Parker
摘要： An engine component for a turbine engine includes a particle collector having a substrate configured to retain at least some particles from a particle-laden stream passing through a portion of the engine. A fluid bypass around the substrate of the collector enables the particle-laden stream to bypass the substrate if the substrate is filled with particles.
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公开(公告)号：US10036319B2
公开(公告)日：2018-07-31
申请号：US14867379
申请日：2015-09-28
发明人： Robert Carl Murray , Corey Bourassa , David Vickery Parker , Byron Andrew Pritchard, Jr. , Jonathan Russell Ratzlaff , William Collins Vining , Erich Alois Krammer
CPC分类号： F02C7/052 , B01D45/12 , B01D45/16 , B01D50/002 , B04C3/00 , B04C3/04 , B04C3/06 , B04C2003/006
摘要： A separator assembly for removing entrained particles from a fluid stream passing through a gas turbine engine includes a first particle separator for separating the fluid stream into a reduced-particle stream and a particle-laden stream, and emitting the particle-laden stream through a scavenge outlet. Another particle remover is fluidly coupled to the scavenge outlet to remove more particles from the air stream.
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公开(公告)号：US20180156062A1
公开(公告)日：2018-06-07
申请号：US15370360
申请日：2016-12-06
摘要： A method for inspecting a gas turbine engine using a maintenance tool includes assembling a plurality of rail segments of a rail system of the maintenance tool within a core air flowpath of the gas turbine engine. The gas turbine engine includes a compressor section, a combustion section, and a turbine section together defining at least in part the core air flowpath. The method also includes moving a maintenance head of the maintenance tool along the plurality of rail segments of the rail system to perform maintenance operations within the core air flowpath of the gas turbine engine.
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公开(公告)号：US09982598B2
公开(公告)日：2018-05-29
申请号：US13657193
申请日：2012-10-22
发明人： Byron Andrew Pritchard, Jr. , Charles Daniel Califf , Peter John Wood , Raymond Gust Holm , Allan George van de Wall , Peter Alfred Pezzi
CPC分类号： F02C7/052 , F02C6/08 , F02C7/28 , F02C9/18 , F02C9/28 , F02K3/075 , F04D27/0215 , F04D27/023 , F05D2260/606 , F05D2260/607
摘要： A variable bleed valve includes a variable bleed valve door disposed in a bleed inlet in transition duct and rotatable about an axis at or near a forward end of door. Valve is operable to open and close a bleed slot open to a booster bleed flowpath located outwardly of transition duct and having an airflow restrictor. Airflow restrictor may be variable such as a flapper valve. Booster bleed flowpath may pass through a bifurcated bleed duct including an inner passage radially bound by spaced apart inner and middle bleed walls and an outer passage radially bound by middle bleed wall and an outer bleed wall. Airflow restrictor may include an outlet area smaller than an inlet area of inner passage. Door seals against middle bleed wall to open inner passage and against outer bleed wall to open both passages.
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公开(公告)号：US11992952B2
公开(公告)日：2024-05-28
申请号：US17083718
申请日：2020-10-29
CPC分类号： B25J9/1669 , B23P6/002 , B25J11/008 , B25J19/023 , F01D5/005 , G06Q10/20 , F05D2230/80
摘要： Systems and methods of servicing engines including a method of servicing an engine, the method including navigating at least a portion of a robotic assembly to a location associated with the engine; applying, from the robotic assembly, a medium to one or more adjustable components of the engine while the engine is at an elevated temperature; waiting a duration of time; and with the robotic assembly, operating on the one or more adjustable components.
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