(19)

(11)

EP 2 596 312 A2

(12)

(43) Date of publication: 29.05.2013 Bulletin 2013/22 (21) Application number: 11734170.1 (22) Date of filing: 15.07.2011

(51) International Patent Classification (IPC):  F25J 3/06(2006.01) F04D 29/58(2006.01) F04D 27/02(2006.01) (86) International application number: PCT/GB2011/001066 (87) International publication number: WO 2012/010819 (26.01.2012 Gazette 2012/04)

(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: 19.07.2010 EP 10251287 (71) Applicant: BP Alternative Energy International Limited Sunbury on Thames, Middlesex TW16 7BP (GB)	(72) Inventors: FORSYTH, Jonathan Alec Sunbury on Thames Middlesex TW16 7LN (GB) MORI, Yasushi Hiroshima 733-8553 (JP) NAGAO, Hideki Hiroshima 733-8553 (JP) (74) Representative: Murray, Elisabeth Anne  BP International Limited Global Patents & Technology Law Chertsey Road Sunbury-on-Thames, Middx TW16 7LN Sunbury-on-Thames, Middx TW16 7LN (GB)