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(11)

EP 3 631 321 A1

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(43) Date of publication: 08.04.2020 Bulletin 2020/15 (21) Application number: 18733173.1 (22) Date of filing: 09.04.2018

(51) International Patent Classification (IPC):  F24S 23/74(2018.01) F24S 25/13(2018.01) F24S 25/00(2018.01) F24S 30/00(2018.01) F24S 25/10(2018.01) F24S 30/452(2018.01) (86) International application number: PCT/EP2018/059009 (87) International publication number: WO 2018/215128 (29.11.2018 Gazette 2018/48)

(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: 26.05.2017 EP 17173162 (71) Applicant: Lucida Solar Ltd. Jersey, Jersey Channel Islands JE2 3TP (GB)	(72) Inventors: ALBAKRI, Sami Bin Abdelrahman Jeddah 21312 Jeddah-Kingdom of Jeddah (SA) BILGIN, Sener Izmir (TR) (74) Representative: LifeTech IP Spies & Behrndt Patentanwälte PartG mbB  Elsenheimerstraße 47a 80687 München 80687 München (DE)