(19)

(11)

EP 3 927 616 A1

(12)

(43) Date of publication: 29.12.2021 Bulletin 2021/52 (21) Application number: 20760190.7 (22) Date of filing: 20.02.2020

(51) International Patent Classification (IPC):  B63J 2/12(2006.01) F24H 1/06(2006.01) B63C 1/00(2006.01) F25B 30/00(2006.01) (52) Cooperative Patent Classification (CPC): B63C 1/08; B63J 2/12; Y02T 70/00; F24D 15/04; B63J 2003/043; F25B 30/06; F25B 25/005; F25B 2339/047 (86) International application number: PCT/FI2020/050107 (87) International publication number: WO 2020/169886 (27.08.2020 Gazette 2020/35)

(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: 21.02.2019 FI 20195133 (71) Applicant: Geotalot Oy 29250 Nakkila (FI)	(72) Inventor: ARO, Sami 29280 JÄRVIMAA (FI) (74) Representative: Koivisto, Harri Kristian  Koivisto Patentit Oy Pyhäjärvenkatu 5 B 406 33200 Tampere 33200 Tampere (FI)