SG11201907823TA - Methods and system for cleaning gas turbine engine - Google Patents

Abstract

INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 30 August 2018 (30.08.2018) WIP0 I PCT IiiimmoimiolollmonolomonniinommovoimIE (10) International Publication Number WO 2018/156332 Al (51) International Patent Classification: FOlD 25/00 (2006.01) B08B 3/08 (2006.01) (21) International Application Number: PCT/US2018/016540 (22) International Filing Date: 02 February 2018 (02.02.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 15/443,048 27 February 2017 (27.02.2017) US (71) Applicant: GENERAL ELECTRIC COMPANY [US/US]; 1 River Road, Schenectady, NY 12345 (US). (72) Inventors: KULKARNI, Ambarish, Jayant; General Electric Company Global Research, One Research Cir- cle, Building Kl-4b16a, Niskayuna, NY 12309 (US). BE- WLAY, Bernard, Patrick; One Research Circle, Bldg. K1-3A59, Niskayuna, NY 12309 (US). PRITCHARD, Byron, Andrew; One Neumann Way, Cincinnati, OH 45140 (US). TIBBETTS, Nicole; One Research Circle, Bldg. K1-3A59, Niskayuna, NY 12309 (US). ERIKSEN, Michael, Edward; General Electric Company Global Re- search, One Research Circle, Building K1-3A59, Niskayu- na, NY 12309 (US). TELFEYAN, Eric; 29 Meadowbrook, Apt G, Guilderland, NY 12084 (US). (74) Agent: KACHUR, Pamela, A. et al.; General Electric Company, Global Patent Operation, 901 Main Avenue, 3rd Floor, Norwalk, CT 06851 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, (54) Title: METHODS AND SYSTEM FOR CLEANING GAS TURBINE ENGINE 100 102 A 250 300 101 , 104 102 , I 103 200 FIG. 3 , 1 111n (57) : 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 0 of detergent droplets entrained in a flow of steam. A system for cleaning components of a gas turbine engine are also presented. O [Continued on next page] WO 2018/156332 Al MIDEDIMOMOIDEIREEMOMUIDIIIMOIRMIS TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: as to applicant's entitlement to apply for and be granted a patent (Rule 4.17(11)) as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3))