(19)

(11)

EP 2 126 361 A1

(12)

(43) Date of publication: 02.12.2009 Bulletin 2009/49 (21) Application number: 08709648.3 (22) Date of filing: 26.02.2008

(51) International Patent Classification (IPC):  F04C 25/02(2006.01) F04C 18/16(2006.01) F04C 18/12(2006.01) F04C 18/02(2006.01) (86) International application number: PCT/GB2008/050128 (87) International publication number: WO 2008/117082 (02.10.2008 Gazette 2008/40)

(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 (30) Priority: 28.03.2007 GB 0705971 (71) Applicant: Edwards Limited Manor Royal Crawley West Sussex RH10 9LW (GB)	(72) Inventor: OKOROAFOR, Emmanuel, Uzoma Burgess Hill West Sussex RH15 9TT (GB) (74) Representative: Clark, Charles Robert et al Edwards Limited Intellectual Property Manor Royal Crawley, West Sussex RH10 9LW Crawley, West Sussex RH10 9LW (GB)