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EP 4 577 733 A1

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(43) Date of publication: 02.07.2025 Bulletin 2025/27 (21) Application number: 22777696.0 (22) Date of filing: 24.08.2022

(51) International Patent Classification (IPC):  F02C 3/107(2006.01) F02C 7/32(2006.01) F01D 15/10(2006.01) F02C 7/275(2006.01) (52) Cooperative Patent Classification (CPC): F02C 3/107; F05D 2220/76; F01D 15/10; F02C 7/32; F02C 7/275; F05D 2260/42; Y02T 50/60 (86) International application number: PCT/IB2022/000479 (87) International publication number: WO 2024/042343 (29.02.2024 Gazette 2024/09)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicants: Safran Aircraft Engines 75015 Paris (FR) Safran Electrical & Power 31702 Blagnac (FR) General Electric Deutschland Holding GmbH 60313 Frankfurt (DE) General Electric Company Schenectady, NY 12345 (US)

(72) Inventors: DELBOSC, Philippe 31702 Blagnac (FR) REIGNER, Pierre-Alain Jean Philippe 75015 Paris (FR) OSAMA, Mohamed 60313 Frankfurt (DE) ZATORSKI, Darek Schenectady, New York 12345 (US) (74) Representative: Edson, Russell Gregory  Withers & Rogers LLP 2 London Bridge London SE1 9RA London SE1 9RA (GB)