(19)

(11)

EP 0 851 970 A1

(12)

(43) Date of publication: 08.07.1998 Bulletin 1998/28 (21) Application number: 96929973.0 (22) Date of filing: 16.09.1996

(51) International Patent Classification (IPC):  F02B 53/ 00( . ) F01C 1/ 077( . ) F01C 1/ 07( . ) F02B 75/ 02( . ) (86) International application number: PCT/AU1996/000584 (87) International publication number: WO 1997/011258 (27.03.1997 Gazette 1997/14)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 19.09.1995 AU 1995PN05504 19.09.1995 AU 1995PN05505 (71) Applicant: Ron Richards Engine Technologies Pty. Ltd. West End, QLD 4101 (AU)	(72) Inventor: RICHARDS, Ronald, Leslie Alderley, QLD 4051 (AU) (74) Representative: Hengelhaupt, Jürgen, Dipl.-Ing., et al  Patentanwälte Gulde Hengelhaupt Ziebig, Lützowplatz 11-13 10785 Berlin 10785 Berlin (DE)