(19)

(11)

EP 3 356 748 A1

(12)

(43) Date of publication: 08.08.2018 Bulletin 2018/32 (21) Application number: 16852181.3 (22) Date of filing: 28.09.2016

(51) International Patent Classification (IPC):  F24J 2/52(2006.01) H02S 20/23(2014.01) (86) International application number: PCT/SE2016/050918 (87) International publication number: WO 2017/058084 (06.04.2017 Gazette 2017/14)

(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: MA MD (30) Priority: 30.09.2015 SE 1551254 (71) Applicant: Soltech Energy Sweden AB 14633 Tullinge (SE)	(72) Inventors: SVENSSON, Anna 129 30 Hägersten (SE) KLINGBERG, Sara 141 44 Huddinge (SE) (74) Representative: Zacco Sweden AB  P.O. Box 5581 114 85 Stockholm 114 85 Stockholm (SE)