(19)

(11)

EP 0 222 841 A1

(12)

(43) Date of publication: 27.05.1987 Bulletin 1987/22 (21) Application number: 86903146.0 (22) Date of filing: 23.05.1986

(51) International Patent Classification (IPC):  F02B 41/ 04( . ) F02B 75/ 02( . ) F16H 21/ 30( . ) (86) International application number: PCT/AU1986/000148 (87) International publication number: WO 1986/007115 (04.12.1986 Gazette 1986/26)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 24.05.1985 AU 19850000716 (71) Applicant: COOPER, Robert Alan Townsville, QLD 4810 (AU)	(72) Inventor: COOPER, Robert Alan Townsville, QLD 4810 (AU)