(19)

(11)

EP 1 009 913 A1

(12)

(43) Date of publication: 21.06.2000 Bulletin 2000/25 (21) Application number: 98932656.6 (22) Date of filing: 15.07.1998

(51) International Patent Classification (IPC)7: F01C 1/344, F02B 55/14, F02B 55/16, F02B 53/00 (86) International application number: PCT/NZ9800/102 (87) International publication number: WO 9904/141 (28.01.1999 Gazette 1999/04)

(84) Designated Contracting States: AT BE DE DK ES FI FR GB GR IE IT NL PT SE (30) Priority: 16.07.1997 NZ 31407297 (71) Applicant: O'Brien, Thea, Johanna Taupo (NZ)	(72) Inventor: O'BRIEN, Kevin, John Taupo (NZ) (74) Representative: Woodward, John Calvin et al Venner Shipley & Co.20 Little Britain London EC1A 7DH London EC1A 7DH (GB)