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(11)

EP 3 622 166 A1

(12)

(43) Date of publication: 18.03.2020 Bulletin 2020/12 (21) Application number: 17734973.5 (22) Date of filing: 07.06.2017

(51) International Patent Classification (IPC):  F02B 63/04(2006.01) F01B 23/10(2006.01) (86) International application number: PCT/CH2017/000054 (87) International publication number: WO 2018/184122 (11.10.2018 Gazette 2018/41)

(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: MA MD (30) Priority: 03.04.2017 CH 4402017 (71) Applicant: Suisse Technology Group Sagl 6900 Lugano (CH)	(72) Inventor: BOTTI, Maurizio 6900 Lugano (CH) (74) Representative: Brunacci, Marco  BRUNACCI & PARTNERS S.r.l. Via Scaglia Est, 19-31 41126 Modena 41126 Modena (IT)