(19)

(11)

EP 0 294 406 A1

(12)

(43) Date of publication: 14.12.1988 Bulletin 1988/50 (21) Application number: 87907788.0 (22) Date of filing: 27.11.1987

(51) International Patent Classification (IPC):  F02M 51/ 06( . ) F02M 51/ 08( . ) (86) International application number: PCT/GB1987/000853 (87) International publication number: WO 1988/004727 (30.06.1988 Gazette 1988/14)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 23.12.1986 GB 19860030686 (71) Applicant: LUCAS INDUSTRIES public limited company Birmingham, B19 2XF West Midlands (GB)	(72) Inventor: RENOWDEN, Paul, Stuart Hounslow Middlesex (GB) (74) Representative: Thompson, George Michael, et al  MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)