(19)

(11)

EP 0 229 142 A1

(12)

(43) Date of publication: 22.07.1987 Bulletin 1987/30 (21) Application number: 86904280.0 (22) Date of filing: 09.07.1986

(51) International Patent Classification (IPC):  F01C 1/ 07( . ) F02B 53/ 00( . ) F01C 1/ 077( . ) (86) International application number: PCT/GB1986/000395 (87) International publication number: WO 1987/000573 (29.01.1987 Gazette 1987/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 13.07.1985 GB 19850017748 07.10.1985 GB 19850024712 (71) Applicant: NASH, Keith Wilfrid Cambridge CB2 1DP (GB)	(72) Inventors: PAPANICOLAOU, John Paul Sophocles 67 Akti Miaouli Piraeus (GR) KENNINGTON, Eric, Alasdair 90-92 Regent Street Cambridge CB2 1DP (GB)