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(11)

EP 4 817 160 A1

(12)

(43) Date of publication: 07.10.2026 Bulletin 2026/41 (21) Application number: 24827429.2 (22) Date of filing: 25.11.2024

(51) International Patent Classification (IPC):  H02K 1/14(2006.01) H01F 3/02(2006.01) H02K 15/022(2025.01) H01F 27/245(2006.01) (52) Cooperative Patent Classification (CPC): H02K 1/148; H01F 3/02; H02K 2201/12; H02K 15/022; H02K 2201/03; H01F 41/024 (86) International application number: PCT/US2024/057287 (87) International publication number: WO 2025/117449 (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: GE KH MA MD TN (30) Priority: 01.12.2023 US 202363605294 P 15.10.2024 US 202463707433 P (71) Applicant: Electric Torque Machines, Inc. Minneapolis, MN 55413-1829 (US)	(72) Inventors: WILLIAMS, Tyler, K. Flagstaff, Arizona 86001 (US) JANECEK, Thomas, F. Flagstaff, Arizona 86001 (US) SKIDMORE, Joseph, E. Sedona, Arizona 86351 (US) (74) Representative: Trinks, Ole  Meissner Bolte Patentanwälte Rechtsanwälte Partnerschaft mbB Bahnhofstraße 18 1/2 86150 Augsburg 86150 Augsburg (DE)