(19)

(11)

EP 1 756 425 A1

(12)

(43) Date of publication: 28.02.2007 Bulletin 2007/09 (21) Application number: 05739885.1 (22) Date of filing: 16.05.2005

(51) International Patent Classification (IPC):  F04B 43/08(2006.01) F04B 15/04(2006.01) (86) International application number: PCT/AU2005/000699 (87) International publication number: WO 2005/111421 (24.11.2005 Gazette 2005/47)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (30) Priority: 14.05.2004 AU 2004902559 (71) Applicant: Seapower Pacific Pty Ltd. West Perth, Western Australia 6005 (AU)	(72) Inventor: BURNS, Alan, Robert Nedlands, Western Australia 6009 (AU) (74) Representative: Hendry, Niall James  Murgitroyd & Company 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)