(19)

(11)

EP 4 226 046 A1

(12)

(43) Date of publication: 16.08.2023 Bulletin 2023/33 (21) Application number: 21730565.5 (22) Date of filing: 02.06.2021

(51) International Patent Classification (IPC):  F04D 13/08(2006.01) F04D 29/70(2006.01) (52) Cooperative Patent Classification (CPC): F04D 29/708; F04D 13/08; F04D 29/4273; F05D 2230/644; F04D 13/086; F05D 2260/30 (86) International application number: PCT/EP2021/064774 (87) International publication number: WO 2022/073657 (14.04.2022 Gazette 2022/15)

(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: 07.10.2020 EP 20200468 (71) Applicant: HUSQVARNA AB 561 82 Huskvarna (SE)	(72) Inventor: BAYKARA, Yunus 73732 Esslingen (DE) (74) Representative: Finkele, Rolf  Gardena Manufacturing GmbH Hans-Lorenser-Straße 40 89079 Ulm 89079 Ulm (DE)