(19)

(11)

EP 4 551 837 A1

(12)

(43) Date of publication: 14.05.2025 Bulletin 2025/20 (21) Application number: 23847229.4 (22) Date of filing: 24.07.2023

(51) International Patent Classification (IPC):  F16D 41/20(2006.01) (52) Cooperative Patent Classification (CPC): F16D 7/022 (86) International application number: PCT/US2023/028495 (87) International publication number: WO 2024/025838 (01.02.2024 Gazette 2024/05)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 27.07.2022 US 202217874869 (71) Applicant: Baker Hughes Oilfield Operations LLC Houston TX 77073 (US)	(72) Inventors: YE, Zheng Houston, TX 77073 (US) PERISHO, Randal Houston, TX 77073 (US) (74) Representative: HGF  HGF Limited 1 City Walk Leeds LS11 9DX Leeds LS11 9DX (GB)