(19)

(11)

EP 3 948 098 A1

(12)

(43) Date of publication: 09.02.2022 Bulletin 2022/06 (21) Application number: 20784245.1 (22) Date of filing: 31.03.2020

(51) International Patent Classification (IPC):  F24F 11/49(2018.01) F24F 11/74(2018.01) G05B 19/042(2006.01) F24F 110/40(2018.01) F24F 11/30(2018.01) F24F 11/70(2018.01) F24F 110/30(2018.01) F24F 120/10(2018.01) (52) Cooperative Patent Classification (CPC): F24F 2110/40; F24F 11/64; F24F 11/56; F24F 11/46; F24F 11/74; F24F 11/49 (86) International application number: PCT/SE2020/050334 (87) International publication number: WO 2020/204794 (08.10.2020 Gazette 2020/41)

(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: 01.04.2019 SE 1950400 (71) Applicant: NUTSOS, Mikael 146 53 Tullinge (SE)	(72) Inventor: NUTSOS, Mikael 146 53 Tullinge (SE) (74) Representative: Hynell Intellectual Property AB  Kabyssgatan 4D 120 30 Stockholm 120 30 Stockholm (SE)