ATBECHDEDKESFRGBGRITLILUNLSEMCPTIESILTLVFIROMKCYALTRBGCZEEHUPLSKBAHRIS..MTNORSMESMMAKHTNMDGELA......J0009013-ENDS014772725EUROPEAN PATENT APPLICATIONA320260902EP25222513.120251211enenen20241109869320241213IN20251925906420250703US2026090220263620260708202628F01D 25/00 20060101AFI20260728BHEP F01D 25/34 20060101ALI20260728BHEP F01D 25/002 20130101 FI20260312BHEP F05D2260/607 20130101 LA20260312BHEP F05D2230/72 20130101 LA20260312BHEP F01D 25/007 20130101 LI20260710BGEP F01D 5/286 20130101 LI20260710BGEP F01D 5/005 20130101 LI20260710BGEP F01D 25/005 20130101 LI20260710BGEP deVERFAHREN ZUM WASCHEN VON GASTURBINENenMETHOD FOR WASHING GAS TURBINE ENGINESfrPROCÉDÉ DE LAVAGE DE MOTEURS À TURBINE À GAZ3General Electric Company102058893611168-EP-41 Neumann WayCincinnati, Ohio 45215USSWAMINATHAN, Srinivasan560066 BengaluruINTHIMMEGOWDA, Shalini560066 BengaluruINJHA, Sanjeev KumarEvendale, 45241USOpenshaw & Co.1014936598 Castle StreetFarnham, Surrey GU9 7HRGBALATBEBGCHCYCZDEDKEEESFIFRGBGRHRHUIEISITLILTLULVMCMEMKMTNLNOPLPTRORSSESISKSMTRBAGEKHLAMAMDTN20260902202636

A method (200) for washing a gas turbine engine (10) includes freezing a cleaning liquid to form solid cleaning granules, compacting the solid cleaning granules to form a compacted cleaning solid (106), and inserting the compacted cleaning solid (106) into the gas turbine engine (10), wherein when the gas turbine engine (10) is started, the compacted cleaning solid (106) liquifies to form a cleaning foam, which spreads through a gas flow path (37) of the gas turbine engine (10) to clean one or more components (22, 24) of the gas turbine engine (10) along the gas flow path (37).

611168-EP-4EP25222513.1General Electric Company

1. claims: 1-13
Method for washing a gas turbine engine comprising freezing a cleaning liquid to form solid cleaning granules, compacting the solid cleaning granules to form a compacted cleaning solid, inserting the compacted cleaning solid into the gas turbine engine where it liquefies to form a cleaning foam.

2. claims: 14, 15
Delivery tool for delivering a compacted cleaning solid into a gas flow path of a gas turbine engine, comprising a base member, a slidable insertion member configured to hold the compacted cleaning solid, and a stopper.

1-133DH20260803F01DB08BB64FB24CC11DDE102008021746A1LUFTHANSA TECHNIK AG [DE]20091119A1-13* paragraphs [0013] - [0019]; figures 1-3 *DE102011015252A1LUFTHANSA TECHNIK AG [DE]20121004A1-13* paragraphs [0021] - [0024] *FR3145881A1SAFRAN AIRCRAFT ENGINES [FR]20240823A1-13* paragraphs [0008] - [0018]; figures 1-3 *DE102013224635A1LUFTHANSA TECHNIK AG [DE]20150603A1-13* paragraphs [0011], [0012] *US3074822AWALK UDELL C ET AL19630122A1-13* column 4, line 75 - column 6, line 44 *EP4640810A1MCBRIDE SA [BE]20251029A,P1-13* paragraph [0002] *Teusch, ReinholdThe Hague20260313DE102008021746A120091119DE102008021746A120091119EP2280872A120110209ES2392137T320121205US2010000572A120100107WO2009132847A120091105DE102011015252A120121004DE102011015252A120121004WO2012130443A220121004FR3145881A120240823NONEDE102013224635A120150603DE102013224635A120150603WO2015079029A120150604US3074822A19630122NONEEP4640810A120251029BE1032559A120251120EP4640810A120251029