(19)

(11)

EP 3 724 508 A2

(12)

(88) Date of publication A3: 25.07.2019 (43) Date of publication: 21.10.2020 Bulletin 2020/43 (21) Application number: 18842676.1 (22) Date of filing: 11.12.2018

(51) International Patent Classification (IPC):  F04D 7/04(2006.01) F04D 13/16(2006.01) F04D 13/14(2006.01) F04D 29/70(2006.01) (86) International application number: PCT/SK2018/050016 (87) International publication number: WO 2019/117821 (20.06.2019 Gazette 2019/25)

(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: 13.12.2017 SK 501192017 (71) Applicant: AQUA4UM S.R.O. 949 01 Nitra (SK)	(72) Inventors: RUSNÁK, Roman 949 11 Nitra (SK) KRIVUS, L'ubos 951 15 Mojmírovce (SK) HURBAN, L'ubos 900 52 Kuchyña (SK) MATULÍK, Tomás 900 55 Lozorno (SK) (74) Representative: Majlingová, Zuzana  Majlingová & Partners, s.r.o. Budatínska 12 851 06 Bratislava 851 06 Bratislava (SK)