(19)

(11)

EP 4 115 087 A1

(12)

(43) Date of publication: 11.01.2023 Bulletin 2023/02 (21) Application number: 21700198.1 (22) Date of filing: 08.01.2021

(51) International Patent Classification (IPC):  F04D 13/08(2006.01) F04D 29/60(2006.01) (52) Cooperative Patent Classification (CPC): F05D 2260/50; F04D 29/605; F04D 13/08; F05D 2260/36 (86) International application number: PCT/EP2021/050238 (87) International publication number: WO 2021/175501 (10.09.2021 Gazette 2021/36)

(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: 02.03.2020 EP 20160316 (71) Applicant: HUSQVARNA AB 561 82 Huskvarna (SE)	(72) Inventors: BAYKARA, Yunus 73732 Esslingen (DE) DRÖSSLER, Christian 89173 Lonsee (DE) (74) Representative: Finkele, Rolf  Gardena Manufacturing GmbH Hans-Lorenser-Straße 40 89079 Ulm 89079 Ulm (DE)