(19)

(11)

EP 0 188 494 A1

(12)

(43) Date of publication: 30.07.1986 Bulletin 1986/31 (21) Application number: 85903343.0 (22) Date of filing: 12.07.1985

(51) International Patent Classification (IPC):  F01C 1/ 04( . ) F01C 19/ 08( . ) (86) International application number: PCT/GB1985/000314 (87) International publication number: WO 1986/000663 (30.01.1986 Gazette 1986/03)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 12.07.1984 GB 19840017815 21.07.1984 GB 19840018644 06.03.1985 GB 19850005706 (71) Applicant: Searle, Russell John Sunbury-on-Thames Middlesex TW16 5QP (GB)	(72) Inventor: Searle, Russell John Sunbury-on-Thames Middlesex TW16 5QP (GB)