(19)

(11)

EP 3 880 962 A1

(12)

(43) Date of publication: 22.09.2021 Bulletin 2021/38 (21) Application number: 18829343.5 (22) Date of filing: 19.12.2018

(51) International Patent Classification (IPC):  F04B 15/02(2006.01) F04B 49/12(2006.01) F04B 47/06(2006.01) F04B 39/12(2006.01) F04B 49/20(2006.01) F04B 49/02(2006.01) (52) Cooperative Patent Classification (CPC): F04B 49/02; F04B 49/126; F04B 39/121; F04B 2205/09; F04B 15/02; F04B 49/20; F04B 47/06 (86) International application number: PCT/EP2018/085758 (87) International publication number: WO 2020/098964 (22.05.2020 Gazette 2020/21)

(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: 14.11.2018 DE 102018008961 (71) Applicant: HUSQVARNA AB 561 82 Huskvarna (SE)	(72) Inventor: DEMMELMAIER, Tobias 89312 Günzburg (DE) (74) Representative: Finkele, Rolf  Gardena Manufacturing GmbH Hans-Lorenser-Straße 40 89079 Ulm 89079 Ulm (DE)