(19)

(11)

EP 2 912 311 A2

(12)

(88) Date of publication A3: 12.09.2014 (43) Date of publication: 02.09.2015 Bulletin 2015/36 (21) Application number: 13747505.9 (22) Date of filing: 13.06.2013

(51) International Patent Classification (IPC):  F04B 25/00(2006.01) F04B 39/04(2006.01) F04B 39/00(2006.01) (86) International application number: PCT/IB2013/054837 (87) International publication number: WO 2014/033563 (06.03.2014 Gazette 2014/10)

(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: 28.08.2012 IT PD20120250 (71) Applicant: Nardi Compressori S.r.l. 36075 Montecchio Maggiore (VI) (IT)	(72) Inventor: GHIOTTO, Marco I-36075 Montecchio Maggiore (VI) (IT) (74) Representative: Contadin, Giorgio et al Praxi Intellectual Property S.p.A. Via N. Tommaseo, 76/D 35131 Padova 35131 Padova (IT)