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(11)

EP 4 204 690 A1

(12)

(43) Date of publication: 05.07.2023 Bulletin 2023/27 (21) Application number: 21730201.7 (22) Date of filing: 02.06.2021

(51) International Patent Classification (IPC):  F04D 13/08(2006.01) F04D 29/70(2006.01) F04D 15/00(2006.01) (52) Cooperative Patent Classification (CPC): F04D 29/426; F05D 2260/02; F05D 2260/30; F04D 13/086; F04D 29/708; F04D 15/0027; F04D 15/0038 (86) International application number: PCT/EP2021/064799 (87) International publication number: WO 2022/089785 (05.05.2022 Gazette 2022/18)

(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: 28.10.2020 EP 20204388 (71) Applicant: HUSQVARNA AB 561 82 Huskvarna (SE)	(72) Inventors: BAYKARA, Yunus 73732 Esslingen (DE) DRÖSSLER, Christian 89173 Lonsee (DE) HÄUFELE, Reiner 89250 Senden (DE) SCHIEDT, Christoph 88319 Aitrach (DE) (74) Representative: Finkele, Rolf  Gardena Manufacturing GmbH Hans-Lorenser-Straße 40 89079 Ulm 89079 Ulm (DE)