(19)

(11)

EP 1 228 307 A1

(12)

(43) Date of publication: 07.08.2002 Bulletin 2002/32 (21) Application number: 00962086.5 (22) Date of filing: 08.09.2000

(51) International Patent Classification (IPC)7: F02M 67/02, F02D 9/02 (86) International application number: PCT/AU0001/086 (87) International publication number: WO 0120/159 (22.03.2001 Gazette 2001/12)

(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: 10.09.1999 AU PP275299 (71) Applicant: ORBITAL ENGINE COMPANY (AUSTRALIA) PTY. LTD. Balcatta,Western Australia 6021 (AU)	(72) Inventor: YANG, Koon, Chul Woodvale, Western Australia 6026 (AU) (74) Representative: Sherrard-Smith, Hugh et al Appleyard, Lees & Co.15 Clare Road Halifax, HX1 2HYWest Yorkshire Halifax, HX1 2HYWest Yorkshire (GB)