(19)

(11)

EP 0 589 929 A1

(12)

(43) Date of publication: 06.04.1994 Bulletin 1994/14 (21) Application number: 92911457.0 (22) Date of filing: 10.06.1992

(51) International Patent Classification (IPC):  F02M 51/ 06( . ) F02M 59/ 46( . ) (86) International application number: PCT/GB1992/001033 (87) International publication number: WO 1993/000540 (07.01.1993 Gazette 1993/02)

(84) Designated Contracting States: DE ES FR GB IT (30) Priority: 21.06.1991 GB 19910013486 (71) Applicant: LUCAS INDUSTRIES PUBLIC LIMITED COMPANY Solihull, West Midlands B91 3TX (GB)	(72) Inventors: CROSS, Robert Keith Banstead, Surrey SM7 f1LX (GB) PHILLIPS, Ronald Northolt, Middlesex UB5 5QA (GB) PANESAR, Lukhbir Singh Feltham, Middlesex TW14 0AQ (GB) (74) Representative: Thompson, George Michael, et al  MARKS & CLERK, Alpha Tower, Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)