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公开(公告)号：US11591928B2
公开(公告)日：2023-02-28
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
IPC: F01D25/00 , B08B3/00 , B01F23/235 , B01F23/20 , B01F25/31 , B08B9/00 , F01D21/00 , F02C7/22 , F02C7/264 , B01F101/24
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：US20220298927A1
公开(公告)日：2022-09-22
申请号：US17830857
申请日：2022-06-02
Applicant: General Electric Company
Inventor： Nicole Jessica Tibbetts , Bernard Patrick Bewlay , Michael Eriksen , Keith Anthony Lauria , Richard Schliem , Erica Sampson , Eric Telfeyan
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 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：US11415019B2
公开(公告)日：2022-08-16
申请号：US14967043
申请日：2015-12-11
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ambarish Jayant Kulkarni , Bernard Patrick Bewlay , Byron Andrew Pritchard, Jr. , Nicole Jessica Tibbetts , Michael Edward Eriksen , Stephen Wilton
IPC: F01D25/00 , B08B3/00 , B01F23/235 , B01F23/20 , B01F25/31 , B08B9/00 , F01D21/00 , F02C7/22 , F02C7/264 , B01F101/24
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) 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：US11053813B2
公开(公告)日：2021-07-06
申请号：US15490642
申请日：2017-04-18
Applicant: General Electric Company
Inventor： Nicole Jessica Tibbetts , Rob Ray Anthony , Brian William Pfeiffer , Michael Edward Eriksen , Keith Anthony Lauria , Bernard Patrick Bewlay , Ambarish Jayant Kulkarni
Abstract: A turbine engine cleaning system includes a foam generator configured to generate foam, from a liquid detergent, to clean a turbine engine. The turbine engine cleaning system also includes an effluent capture and detergent regeneration sub-system having an inlet configured to receive an effluent from the turbine engine, processing components configured to process the effluent to regenerate a liquid detergent, and an outlet fluidly coupled with the foam generator to enable transport of the liquid detergent from the effluent capture and detergent regeneration sub-system to the foam generator.
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公开(公告)号：US10731508B2
公开(公告)日：2020-08-04
申请号：US15451836
申请日：2017-03-07
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Nicole Jessica Tibbetts , Bernard Patrick Bewlay , Ambarish Jayant Kulkarni , Byron Andrew Pritchard, Jr. , Keith Anthony Lauria , Michael Edward Eriksen
Abstract: The present disclosure provides methods and systems of generating flows of detergent through a turbine engine to effectuate cleaning of components thereof. The methods include introducing a foamed, acid-including detergent with a pH range of between 2 and 7 into a gas flowpath of the turbine engine. The methods also include creating a pressure differential in an aft portion of the gas flowpath with respect to a forward portion of the gas flowpath to generate a flow of the detergent therethrough. The methods further include creating a pressure differential in a forward portion of the gas flowpath with respect to an aft portion of the gas flowpath to generate a counterflow of the detergent therethrough. The flow and counterflow of the detergent through the gas flowpath interact with components of the turbine engine having foreign material thereon to at least partially remove the foreign material therefrom.
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Patent Agency Ranking
公开(公告)号：US20190203610A1
公开(公告)日：2019-07-04
申请号：US15860347
申请日：2018-01-02
Applicant: General Electric Company
Inventor： Ambarish Jayant Kulkarni , Byron Andrew Pritchard, JR. , Bernard Patrick Bewlay , Michael Edward Eriksen , Nicole Jessica Tibbetts
CPC classification number: F01D25/002 , F05D2230/72 , F05D2260/607
Abstract: 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：US20190153890A1
公开(公告)日：2019-05-23
申请号：US16256710
申请日：2019-01-24
Applicant: General Electric Company
Inventor： Michael Edward Eriksen , Keith Anthony Lauria , Ambarish Jayant Kulkarni , Byron Andrew Pritchard, JR. , David Geoffrey Dauenhauer , Bernard Patrick Bewlay , Nicole Jessica Tibbetts
Abstract: A wash system for a gas turbine engine includes a foam generating device configured for receiving and aerating a flow of wash fluid to generate a flow of foamed wash fluid having particular foam characteristics. The flow of foamed wash fluid passes through a distribution manifold where it is selectively directed through a plurality of wash lines to desired portions of the gas turbine engine. The wash system further includes a controller configured for manipulating the foam characteristics of the flow of foamed wash fluid and using the distribution manifold to selectively direct the flow of foamed wash fluid to desired portions of the gas turbine engine for optimal cleaning and improved engine efficiency.
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公开(公告)号：US10005111B2
公开(公告)日：2018-06-26
申请号：US15005096
申请日：2016-01-25
Applicant: General Electric Company
Inventor： Michael Edward Eriksen , Matthew Bos , Nicole Jessica Tibbetts , Michael Scheper , Eric Zeltwanger
CPC classification number: B08B9/00 , B08B7/02 , B24C3/327 , F01D5/081 , F01D5/186 , F01D25/002 , F05D2220/32 , F05D2230/72 , F05D2270/11 , Y02T50/672 , Y02T50/676
Abstract: A system and method of cleaning a turbine engine are provided. The method may include inserting, directing and evacuating a cleaning agent. Inserting may include inserting the cleaning agent through a predefined access port into a cooling cavity defined by an internal wall of an assembled turbine component, while directing may include directing the cleaning agent against the internal wall to remove a foreign material therefrom. Evacuating may include evacuating the cleaning agent from the cooling cavity.
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公开(公告)号：US09926517B2
公开(公告)日：2018-03-27
申请号：US14874924
申请日：2015-10-05
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: B08B3/08 , C11D3/20 , C11D3/30 , F01D25/00 , C23G1/02 , C11D11/00 , C23G1/08 , C11D1/94 , C11D3/34 , C23G1/06 , C11D1/10 , C11D1/72 , C11D1/88
CPC classification number: C11D3/2086 , B08B3/08 , C11D1/72 , C11D1/88 , C11D1/94 , C11D3/30 , C11D3/3409 , C11D11/0041 , C23G1/02 , C23G1/061 , C23G1/088 , F01D25/002 , Y02T50/672
Abstract: A method of cleaning a turbine engine includes directing a cleaning solution towards a component of the turbine engine having a layer of foreign material thereon, the cleaning solution including water, a first organic acidic component, a second organic acidic component, isopropylamine sulphonate, alcohol ethoxylate, triethanol amine, and sodium lauriminodipropionate. The cleaning solution has a pH between 2.5 and 7.0.
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公开(公告)号：US20170191376A1
公开(公告)日：2017-07-06
申请号：US14987883
申请日：2016-01-05
Applicant: General Electric Company
Inventor： Michael Edward Eriksen , David E. Caldwell , Nicole Jessica Tibbetts , Ambarish Jayant Kulkarni , Byron Andrew Pritchard, JR.
CPC classification number: F01D25/002 , B24C1/00 , B24C3/327 , B24C11/00 , C11D3/14 , C11D3/2075 , C11D3/38 , C11D11/0041 , C11D17/0013 , C11D17/003 , F05D2220/32
Abstract: The present disclosure is directed to a method for in-situ cleaning one or more components of a gas turbine engine using an abrasive gel detergent. More specifically, the gel detergent includes a plurality of abrasive particles suspended in a gel composition. Further, the abrasive particles include organic material. Moreover, the gel composition is formed of a mixture of detergent particles dissolved in a gel reactant. Thus, the method includes injecting the gel detergent into at least a portion of the gas turbine engine at a predetermined pressure. In addition, the method includes allowing the gel detergent to flow across or within one or more of the components of the gas turbine engine so as to clean one or more of the components.
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