(19)

(11)

EP 2 536 956 A2

(12)

(88) Date of publication A3: 01.12.2011 (43) Date of publication: 26.12.2012 Bulletin 2012/52 (21) Application number: 11713350.4 (22) Date of filing: 09.02.2011

(51) International Patent Classification (IPC):  F04D 29/66(2006.01) (86) International application number: PCT/IB2011/000244 (87) International publication number: WO 2011/098898 (18.08.2011 Gazette 2011/33)

(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 (30) Priority: 15.02.2010 IT CR20100006 (71) Applicant: E.M.B. Di Bergamaschini Alfonso 26014 Romanengo (IT)	(72) Inventor: BERGAMASCHINI, Alfonso I-26014 Romanengo (CR) (IT) (74) Representative: Marcio', Paola  Ing. Mari & C. SRL Via Garibotti, 3 26100 Cremona 26100 Cremona (IT)