(19)

(11)

EP 3 177 809 A1

(12)

(43) Date of publication: 14.06.2017 Bulletin 2017/24 (21) Application number: 15767237.9 (22) Date of filing: 04.08.2015

(51) International Patent Classification (IPC):  F01C 19/08(2006.01) F01C 1/00(2006.01) F01D 1/34(2006.01) F01C 21/08(2006.01) (86) International application number: PCT/IB2015/001317 (87) International publication number: WO 2016/020742 (11.02.2016 Gazette 2016/06)

(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 (30) Priority: 06.08.2014 IT MI20141458 (71) Applicant: Mariani, Augusto 23880 Casatenovo (LC) (IT)	(72) Inventor: Mariani, Augusto 23880 Casatenovo (LC) (IT) (74) Representative: Rastelli, Franco  Dott. Franco Cicogna & C. SRL Via Visconti di Modrone, 14/A 20122 Milano 20122 Milano (IT)