(19)

(11)

EP 2 430 311 A1

(12)

(43) Date of publication: 21.03.2012 Bulletin 2012/12 (21) Application number: 10775146.3 (22) Date of filing: 05.05.2010

(51) International Patent Classification (IPC):  F04B 53/12(2006.01) F16J 15/40(2006.01) (86) International application number: PCT/NO2010/000169 (87) International publication number: WO 2010/131976 (18.11.2010 Gazette 2010/46)

(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: 13.05.2009 NO 20091872 (71) Applicant: Siv Ing Per Olav Haughom AS 4440 Tonstad (NO)	(72) Inventor: HAUGHOM, Per, Olav N-4440 Tonstad (NO) (74) Representative: Håmsø Patentbyrå ANS  Postboks 171 4302 Sandnes 4302 Sandnes (NO)