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EP 3 027 861 A1

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(43) Date of publication: 08.06.2016 Bulletin 2016/23 (21) Application number: 14777807.0 (22) Date of filing: 29.07.2014

(51) International Patent Classification (IPC):  F01P 7/16(2006.01) F04C 2/344(2006.01) F01C 21/08(2006.01) (86) International application number: PCT/IB2014/063527 (87) International publication number: WO 2015/015426 (05.02.2015 Gazette 2015/05)

(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 (30) Priority: 29.07.2013 IT TO20130637 (71) Applicants: ING Enea Mattei S.p.A. Milano (IT) Meccanotecnica Umbra S.p.A. 06042 Campello Sul Clitunno (IT) Sei Servizi Per L'economia E Per L'ingegneria Srl Avezzano (IT)

(72) Inventors: CONTALDI, Giulio I-20068 San Felice Peschiera Borromeo (IT) VENTURA, Alessandro I-05100 Terni (IT) CIPOLLONE, Cinzia 20123 Milano (IT) (74) Representative: Franzolin, Luigi et al Studio Torta S.p.A. Via Viotti, 9 10121 Torino 10121 Torino (IT)