(19)

(11)

EP 2 205 799 A2

(12)

(88) Date of publication A3: 25.06.2009 (43) Date of publication: 14.07.2010 Bulletin 2010/28 (21) Application number: 08835596.1 (22) Date of filing: 03.10.2008

(51) International Patent Classification (IPC):  E02B 9/08(2006.01) E02B 17/02(2006.01) (86) International application number: PCT/GB2008/003360 (87) International publication number: WO 2009/044161 (09.04.2009 Gazette 2009/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 05.10.2007 GB 0719484 (71) Applicant: Aquamarine Power Limited Glasgow G2 5NJ (GB)	(72) Inventor: THOMSON, Allan, Robert Inverness IV1 2ER (GB) (74) Representative: Hargreaves, Timothy Edward et al Marks & Clerk LLP Aurora 120 Bothwell Street Glasgow G2 7JS Glasgow G2 7JS (GB)