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(11)

EP 1 208 299 A1

(12)

(43) Date of publication: 29.05.2002 Bulletin 2002/22 (21) Application number: 00952795.3 (22) Date of filing: 18.08.2000

(51) International Patent Classification (IPC)7: F02M 67/02, F02D 41/38 (86) International application number: PCT/AU0000/987 (87) International publication number: WO 0114/738 (01.03.2001 Gazette 2001/09)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 19.08.1999 AU PQ233899 (71) Applicant: ORBITAL ENGINE COMPANY (AUSTRALIA) PTY. LTD. Balcatta,Western Australia 6021 (AU)	(72) Inventors: FRAHM, Jeffry, Roger Frankenmuth, MI 48734 (US) ARCHER, Mark, Douglas Subiaco, W.A. 6008 (AU) (74) Representative: Lerwill, John et al A.A. Thornton & Co.235 High Holborn London, WC1V 7LE London, WC1V 7LE (GB)