(19)

(11)

EP 2 470 796 A1

(12)

(43) Date of publication: 04.07.2012 Bulletin 2012/27 (21) Application number: 10745644.4 (22) Date of filing: 26.08.2010

(51) International Patent Classification (IPC):  F15B 1/24(2006.01) (86) International application number: PCT/EP2010/062450 (87) International publication number: WO 2011/023747 (03.03.2011 Gazette 2011/09)

(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 SE SI SK SM TR (30) Priority: 26.08.2009 NO 20092896 (71) Applicant: Olaer AS 1401 Ski (NO)	(72) Inventor: BELHAJ, Ezzeddin N-1540 Vestby (NO) (74) Representative: Protector IP Consultants AS  Oscarsgate 20 0352 Oslo 0352 Oslo (NO)