(19)

(11)

EP 4 029 042 A1

(12)

(43) Date of publication: 20.07.2022 Bulletin 2022/29 (21) Application number: 20863700.9 (22) Date of filing: 11.09.2020

(51) International Patent Classification (IPC):  H01F 38/14(2006.01) (52) Cooperative Patent Classification (CPC): H01F 38/14; B60L 53/39; B60L 53/12; B60L 53/124; B60L 53/126; Y02T 10/70; Y02T 10/7072; Y02T 90/12; Y02T 90/16; H02J 50/12; H02J 50/80; Y02T 90/14; H04B 5/0037; H04B 5/0031 (86) International application number: PCT/US2020/050492 (87) International publication number: WO 2021/050941 (18.03.2021 Gazette 2021/11)

(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: 13.09.2019 US 201916570801 06.11.2019 US 201916675618 (71) Applicant: Momentum Dynamics Corporation Malvern, PA 19355 (US)	(72) Inventors: DAGA, Andrew W. Malvern, PA 19355 (US) MCMAHON, Francis J. Malvern, PA 19355 (US) GANDER, Edward J. Morton, PA 19070 (US) WARD, Matthew L. Exton, PA 19070 (US) (74) Representative: Murgitroyd & Company  Murgitroyd House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)