(19)

(11)

EP 0 586 452 A1

(12)

(43) Date of publication: 16.03.1994 Bulletin 1994/11 (21) Application number: 92910627.0 (22) Date of filing: 27.05.1992

(51) International Patent Classification (IPC):  F02C 7/ 045( . ) G10K 11/ 16( . ) (86) International application number: PCT/GB1992/000957 (87) International publication number: WO 1992/022053 (10.12.1992 Gazette 1992/31)

(84) Designated Contracting States: DE ES FR IT NL SE (30) Priority: 30.05.1991 GB 19910011621 (71) Applicant: SHORT BROTHERS PLC Belfast BT3 9DZ, Northern Ireland (GB)	(72) Inventor: WILSON, Robert, Samuel Belfast BT4 3DY (GB) (74) Representative: Moon, Donald Keith, et al  BREWER & SON Quality House Quality Court Chancery Lane London WC2A 1HT London WC2A 1HT (GB)