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公开(公告)号：US10830093B2
公开(公告)日：2020-11-10
申请号：US15620935
申请日：2017-06-13
Applicant: General Electric Company
Inventor： Nicole Jessica Tibbetts , Andrew James Jenkins , Bernard Patrick Bewlay , Evan Jarrett Dolley , John Watt , Christopher Perrett , Vincent Gerard Lauria
IPC: F01D25/00 , F04D29/70 , B08B3/08 , B08B3/14 , B08B3/04 , F04D29/32 , F04D29/08 , F04D29/52 , F01D5/02 , F01D5/12 , F01D11/00 , F01D25/24
Abstract: System for selectively contacting a cleaning composition with a surface of a turbine engine component is presented. The system includes a cleaning apparatus and a manifold assembly. The cleaning apparatus includes an upper portion and a lower portion defining a cleaning chamber configured to allow selective contact between the cleaning composition and a surface of the first portion of the turbine engine component. The upper portion includes a plurality of fill holes in fluid communication with the cleaning chamber, and the lower portion includes a plurality of drain holes in fluid communication with the cleaning chamber. The manifold assembly is configured to selectively circulate the cleaning composition from a reservoir to the cleaning chamber via the plurality of fill holes, and recirculate the cleaning composition from the cleaning chamber to the reservoir via the plurality of drain holes. Methods for selectively cleaning a turbine engine component is also presented.
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公开(公告)号：US20180237163A1
公开(公告)日：2018-08-23
申请号：US15939525
申请日：2018-03-29
Applicant: General Electric Company
Inventor： Bernard Patrick Bewlay , Brian Michael Ellis , Ambarish Jayant Kulkarni , Nicole Jessica Tibbetts , Manuel K. Bueno , Ever Reyes , Noel Leslie Bates , Brian Kalb
CPC classification number: B64F5/30 , B08B9/032 , F01D25/002 , F01D25/12 , F05D2220/323 , F05D2260/221
Abstract: Methods and systems for in situ cleaning of internal cooling circuits of a turbine engine with detergent that provide cleaning a turbine engine that includes circumferentially arranged internal impingement cooling circuits that each include a baffle plate configured to air cool a respective surface or component of the turbine engine. Detergent is introduced through the outer wall and proximate to a back side of a baffle plate such that the detergent passes through at least aperture in the baffle plate and acts at least upon the surface or component that the baffle plate is configured to cool. The detergent may also act on the front side of the baffle plate that is proximate to the surface or component.
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公开(公告)号：US20170254217A1
公开(公告)日：2017-09-07
申请号：US15057168
申请日：2016-03-01
Applicant: General Electric Company
CPC classification number: F01D25/002 , B08B3/04 , B08B7/02 , B08B9/00 , B24C3/327 , C11D7/02 , C11D17/06 , F05D2220/32
Abstract: The present disclosure is directed to a method for in-situ (e.g. on-wing) cleaning one or more components of a gas turbine engine. The method includes injecting a dry detergent into the gas turbine engine. Further, the dry detergent contains a plurality of detergent particles having varying particle sizes. More specifically, the plurality of detergent particles includes a first set of particles having a median particle diameter within a first micron range and a second set of particles having a median particle diameter within a second micron range. Further, a median of the second micron range is larger than a median of the first micron range. In addition, the method includes circulating the dry detergent through at least a portion of the gas turbine engine so as to clean the one or more components thereof.
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公开(公告)号：US20240191634A1
公开(公告)日：2024-06-13
申请号：US18584732
申请日：2024-02-22
Applicant: General Electric Company
Inventor： Nicole Jessica Tibbetts , Bernard Patrick Bewlay , Michael Eriksen , Keith Anthony Lauria , Richard Schliem , Erica Sampson , Eric Telfeyan
CPC classification number: F01D25/002 , B08B9/00 , B08B3/003
Abstract: A machine is cleaned by directing a foam detergent into the machine to remove contaminants from inside the machine. An effluent portion of the foam detergent exits from the machine with some of the contaminants. One or more of a turbidity, a salinity, an amount of total dissolved solids, or a concentration of the contaminants in the effluent is measured. A cleaning time period during which the foam detergent is to be directed into the machine is determined based on the turbidity, the salinity, the amount of total dissolved solids, and/or the contaminant concentration that is measured from the effluent. The foam detergent continues to be directed into the machine during the cleaning time period, and the flow of the foam detergent into the machine is terminated on expiration of the time period.
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公开(公告)号：US20240060010A1
公开(公告)日：2024-02-22
申请号：US18383705
申请日：2023-10-25
Applicant: General Electric Company
Inventor： Nicole Jessica Tibbetts , Evan J. Dolley , Bernard Patrick Bewlay , Denise Anne Anderson , Nathan David McLean , Eric John Telfeyan , Frank Wagenbaugh
IPC: C11D3/20 , C11D11/00 , C23G1/06 , C23G1/08 , C11D1/83 , B08B3/08 , C11D1/94 , C11D3/30 , C11D3/34 , C23G1/02 , F01D25/00
CPC classification number: C11D3/2086 , C11D11/0041 , C23G1/061 , C23G1/088 , C11D1/83 , C11D3/2075 , B08B3/08 , C11D1/94 , C11D3/30 , C11D3/3409 , C23G1/02 , F01D25/002 , Y02T50/60 , C11D1/72
Abstract: A cleaning solution for a turbine engine includes water; a first organic acidic component that comprises citric acid; a second organic acidic component that comprises glycolic acid; isopropylamine sulphonate; alcohol ethoxylate; triethanol amine; and sodium lauriminodipropionate. The cleaning solution has a pH value between about 2.5 and about 7.0.
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Patent Agency Ranking
公开(公告)号：US20220389834A1
公开(公告)日：2022-12-08
申请号：US17889629
申请日：2022-08-17
Applicant: General Electric Company , Oliver Crispin Robotics Limited
Inventor： Byron Andrew Pritchard, JR. , Keith Anthony Lauria , Erica Elizabeth Sampson , Bernard Patrick Bewlay , Ambarish Jayant Kulkarni , Michael Robert Millhaem , William Francis Navojosky , Nicole Jessica Tibbetts , Gongguan Wang , Andrew Crispin Graham
Abstract: Systems and methods for treating a component of an installed and assembled gas turbine engine are provided. Accordingly, the method includes operably coupling a delivery assembly to an annular inlet of a core gas turbine engine. A portion of treating fluid is atomized with the delivery assembly to develop a treating mist having a plurality of atomized droplets. The atomized droplets are suspended within any path of the core gas turbine engine from the annular inlet to an axial position downstream of a compressor of the core gas turbine engine. A portion of the treating mist is impacted or precipitated onto the component so as to wet the component, and a portion of the deposits on the component is dissolved by the treating mist.
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公开(公告)号：US11174751B2
公开(公告)日：2021-11-16
申请号：US15443048
申请日：2017-02-27
Applicant: General Electric Company
Inventor： Ambarish Jayant Kulkarni , Bernard Patrick Bewlay , Byron Andrew Pritchard, Jr. , Nicole Jessica Tibbetts , Michael Edward Eriksen , Eric John Telfeyan
Abstract: A method for cleaning components of a gas turbine engine is presented. The method includes introducing a working fluid into a gas flow path or a cooling circuit defined by the one or more components of the gas turbine engine such that the working fluid impinges upon a surface of the one or more components of the gas turbine engine, wherein the working fluid includes a plurality of detergent droplets entrained in a flow of steam. A system for cleaning components of a gas turbine engine are also presented.
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公开(公告)号：US20200248583A1
公开(公告)日：2020-08-06
申请号：US16855795
申请日：2020-04-22
Applicant: General Electric Company
Inventor： Ambarish Jayant Kulkarni , Bernard Patrick Bewlay , Byron Andrew Pritchard, JR. , Nicole Jessica Tibbetts , Michael Edward Eriksen , Stephen Wilton
Abstract: Embodiments in accordance with the present disclosure include a meta-stable detergent based foam generating device of a turbine cleaning system includes a manifold configured to receive a liquid detergent and an expansion gas, a gas supply source configured to store the expansion gas, and one or more aerators fluidly coupled with, and between, the gas supply source and the manifold. Each aerator of the one or more aerators comprises an orifice through which the expansion gas enters the manifold, and wherein the orifice of each aerator is sized to enable generation of a meta-stable detergent based foam having bubbles with bubble diameters within a range of 10 microns (3.9×10−4 inches inches) and 5 millimeters (0.2 inches), having a half-life within a range of 5 minutes and 180 minutes, or a combination thereof.
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公开(公告)号：US10323539B2
公开(公告)日：2019-06-18
申请号：US15057179
申请日：2016-03-01
Applicant: General Electric Company
Inventor： Bernard Patrick Bewlay , Brian Alan Kalb , Nicole Jessica Tibbetts , Ambarish Jayant Kulkarni , Byron Andrew Pritchard, Jr.
IPC: F01D25/00 , B24B31/00 , B24C11/00 , B08B9/08 , B24C1/00 , B08B7/02 , B08B9/00 , B24C3/32 , F04D19/00
Abstract: The present disclosure is directed to a system and method for in-situ (e.g. on-wing) cleaning of gas turbine engine components. The method includes injecting a dry cleaning medium into the gas turbine engine at one or more locations. The dry cleaning medium includes a plurality of abrasive microparticles. Thus, the method also includes circulating the dry cleaning medium through at least a portion of the gas turbine engine such that the abrasive microparticles abrade a surface of the one or more components so as to clean the surface.
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公开(公告)号：US20180313225A1
公开(公告)日：2018-11-01
申请号：US15498141
申请日：2017-04-26
Applicant: General Electric Company
Inventor： Michael Robert Millhaem , Nicole Jessica Tibbetts , Byron Andrew Pritchard, JR. , Bernard Patrick Bewlay , Keith Anthony Lauria , Ambarish Jayant Kulkarni , Mark Rosenzweig , Martin Matthew Morra , Timothy Mark Sambor , Andrew Jenkins
CPC classification number: F01D25/002 , B08B9/00 , B64F5/30 , F01D25/00
Abstract: A method of cleaning a component within a turbine that includes disassembling the turbine engine to provide a flow path to an interior passageway of the component from an access point. The component has coked hydrocarbons formed thereon. The method further includes discharging a flow of cleaning solution towards the interior passageway from the access point, wherein the cleaning solution is configured to remove the coked hydrocarbons from the component.
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