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(11)

EP 3 830 587 A1

(12)

(43) Date of publication: 09.06.2021 Bulletin 2021/23 (21) Application number: 19749845.4 (22) Date of filing: 11.07.2019

(51) International Patent Classification (IPC):  G01R 19/165(2006.01) G01R 19/25(2006.01) H02H 1/00(2006.01) G01R 15/18(2006.01) G01R 31/327(2006.01) (86) International application number: PCT/NL2019/050434 (87) International publication number: WO 2020/022875 (30.01.2020 Gazette 2020/05)

(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: 27.07.2018 NL 2021408 (71) Applicant: Tryst B.V. 2909 LA Capelle aan den IJssel (NL)	(72) Inventors: TILLEMA, Johannes 2909 LA Capelle aan den IJssel (NL) GINUS, Richard 2909 LA Capelle aan den IJsseln (NL) KERSTENS, Wesley 2909 LA Capelle aan den IJssel (NL) (74) Representative: V.O.  P.O. Box 87930 2508 DH Den Haag 2508 DH Den Haag (NL)