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EP 4 817 150 A1

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(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 23959650.5 (22) Date of filing: 29.11.2023

(51) International Patent Classification (IPC):  H02H 9/04(2006.01) B60T 7/12(2006.01) H03F 3/45(2006.01) B60L 50/50(2019.01) H02M 3/00(2006.01) (52) Cooperative Patent Classification (CPC): H02M 1/32; H02M 3/156; F16D 61/00; B60T 1/10; B60T 17/22; F16D 66/00; F16D 2066/001; B60L 3/0023; B60L 7/003; B60L 2240/30; H02H 9/041; H02H 9/042 (86) International application number: PCT/CA2023/051597 (87) International publication number: WO 2025/111687 (05.06.2025 Gazette 2025/23)

(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 (71) Applicant: Epiroc Canada Inc. Mississauga, ON L5T 1W5 (CA)	(72) Inventors: GHADYALI, Aliasgar Pitt Meadows, BC V3Y 0G4 (CA) STOTHART, Ian Pitt Meadows, BC V3Y 0G4 (CA) (74) Representative: Epiroc Rock Drills AB  Patents 701 91 Örebro 701 91 Örebro (SE)