(19)

(11)

EP 0 548 174 A1

(12)

(43) Date of publication: 30.06.1993 Bulletin 1993/26 (21) Application number: 91916280.0 (22) Date of filing: 04.09.1991

(51) International Patent Classification (IPC):  F01P 7/ 16( . ) F01P 7/ 14( . ) (86) International application number: PCT/GB1991/001500 (87) International publication number: WO 1992/004534 (19.03.1992 Gazette 1992/07)

(84) Designated Contracting States: DE FR GB (30) Priority: 05.09.1990 GB 19900019391 (71) Applicants: FORD-WERKE AKTIENGESELLSCHAFT D-50725 Köln (DE) FORD FRANCE S. A. F-92506 Rueil-Malmaison Cédex (FR) FORD MOTOR COMPANY LIMITED Brentwood, Essex CM13 3BW (GB)	(72) Inventor: MA, Thomas, Tsoi-Hei Chelmsford Essex CM3 5YB (GB) (74) Representative: Messulam, Alec Moses, et al  A. Messulam & Co. 24 Broadway Leigh on Sea Essex SS9 1BN Leigh on Sea Essex SS9 1BN (GB)