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(11)

EP 4 162 204 A1

(12)

(43) Date of publication: 12.04.2023 Bulletin 2023/15 (21) Application number: 21793106.2 (22) Date of filing: 21.04.2021

(51) International Patent Classification (IPC):  F23G 5/16(2006.01) F23B 80/00(2006.01) F23G 5/027(2006.01) F23M 5/02(2006.01) F23B 10/02(2011.01) F23B 90/06(2011.01) F23L 9/00(2006.01) F23G 5/20(2006.01) (52) Cooperative Patent Classification (CPC): F23G 5/16; F23G 5/20; F23M 5/02; F23L 9/04; F23G 5/0276; F23G 2201/40; F23G 2900/52001; F23J 2700/003; F23G 2900/00001; F23C 2202/50 (86) International application number: PCT/SE2021/050365 (87) International publication number: WO 2021/215988 (28.10.2021 Gazette 2021/43)

(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: 21.04.2020 SE 2050453 (71) Applicant: Gartena Consulting & Installation AB 433 30 Partille (SE)	(72) Inventors: GÄRTNER, Klaus 433 32 Partille (SE) GÄRTNER, Sven-Bertil 433 32 Partille (SE) (74) Representative: Zacco Sweden AB  P.O. Box 5581 Löjtnantsgatan 21 114 85 Stockholm 114 85 Stockholm (SE)