(19)

(11)

EP 3 728 804 A1

(12)

(43) Date of publication: 28.10.2020 Bulletin 2020/44 (21) Application number: 18826364.4 (22) Date of filing: 20.12.2018

(51) International Patent Classification (IPC):  F01L 1/18(2006.01) F01L 1/053(2006.01) F01L 13/06(2006.01) (86) International application number: PCT/EP2018/086434 (87) International publication number: WO 2019/122263 (27.06.2019 Gazette 2019/26)

(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: 21.12.2017 GB 201721554 (71) Applicant: Eaton Intelligent Power Limited Dublin 4 (IE)	(72) Inventors: ANDRISANI, Nicola 10040 Cumiana (IT) BAILEY, Thomas 10122 Torino (IT) (74) Representative: Eaton IP Group EMEA  c/o Eaton Industries Manufacturing GmbH Route de la Longeraie 7 1110 Morges 1110 Morges (CH)