(19)

(11)

EP 2 712 416 A1

(12)

(43) Date of publication: 02.04.2014 Bulletin 2014/14 (21) Application number: 12728782.9 (22) Date of filing: 30.04.2012

(51) International Patent Classification (IPC):  F25B 45/00(2006.01) (86) International application number: PCT/IB2012/052148 (87) International publication number: WO 2012/147070 (01.11.2012 Gazette 2012/44)

(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: 29.04.2011 IT PI20110050 (71) Applicant: Ecotechnics S.p.a. 50019 Sesto Fiorentino (IT)	(72) Inventor: RAHHALI, Sanhaji 50019 Sesto Fiorentino (IT) (74) Representative: Celestino, Marco  ABM Agenzia Brevetti & Marchi, Viale Giovanni Pisano, 31 56123 Pisa 56123 Pisa (IT)