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(11)

EP 4 070 434 A1

(12)

(43) Date of publication: 12.10.2022 Bulletin 2022/41 (21) Application number: 20895249.9 (22) Date of filing: 18.09.2020

(51) International Patent Classification (IPC):  H02K 1/00(2006.01) B64D 27/24(2006.01) H02K 11/33(2016.01) H02K 9/06(2006.01) H02K 7/14(2006.01) (52) Cooperative Patent Classification (CPC): H02K 9/06; H02K 7/14; B64D 27/24; B64C 11/005; B64C 11/001; Y02T 50/40; Y02T 50/60 (86) International application number: PCT/US2020/051396 (87) International publication number: WO 2021/112940 (10.06.2021 Gazette 2021/23)

(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 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 (30) Priority: 04.12.2019 US 201916703225 24.06.2020 US 202016910255 (71) Applicant: Beta Air, LLC South Burlington, Vermont 05403 (US)	(72) Inventors: VERNA, Raffaelo Creedmoor, North Carolina 27522 (US) GRIFFIN, Riley Montpelier, Vermont 05602 (US) WIEGMAN, Nathan Essex Junction, Vermont 05452 (US) BELZILE, Manon Fairfield, Vermont 05455 (US) (74) Representative: Vossius, Corinna  Corinna Vossius IP Group Patent- und Rechtsanwaltskanzlei Buchenstraße 17 82064 Straßlach-Dingharting 82064 Straßlach-Dingharting (DE)