(19)

(11)

EP 2 005 006 A1

(12)

(43) Date of publication: 24.12.2008 Bulletin 2008/52 (21) Application number: 07727891.9 (22) Date of filing: 06.04.2007

(51) International Patent Classification (IPC):  F15B 11/16(2006.01) F15B 21/14(2006.01) (86) International application number: PCT/EP2007/053423 (87) International publication number: WO 2007/116035 (18.10.2007 Gazette 2007/42)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 12.04.2006 IT PR20060036 (71) Applicant: Walvoil S.p.A. 42100 Reggio Emilia (IT)	(72) Inventor: GANASSI, Gianluca 42100 Reggio Emilia (IT) (74) Representative: Leone, Mario et al Ing. Dallaglio Srl Viale Mentana 92/C 43100 Parma 43100 Parma (IT)