(19)

(11)

EP 0 137 788 A1

(12)

(43) Date of publication: 24.04.1985 Bulletin 1985/17 (21) Application number: 83903396.0 (22) Date of filing: 28.10.1983

(51) International Patent Classification (IPC):  F02M 61/ 10( . ) F02M 61/ 18( . ) F02M 61/ 16( . ) F02B 3/ 06( . ) (86) International application number: PCT/GB1983/000275 (87) International publication number: WO 1984/001980 (24.05.1984 Gazette 1984/13)

(84) Designated Contracting States: DE FR GB SE (30) Priority: 12.11.1982 GB 19820032397 (71) Applicant: PERKINS ENGINES GROUP LIMITED London WIY 2EA (GB)	(72) Inventors: BACON, David, Michael Rutland Leicestershire (GB) SHAW, Richard, Tunaley Peterborough PE4 6QF (GB) (74) Representative: Jones, David Bryn  Patent and Trade Marks Department Massey-Ferguson Stareton, near Kenilworth Warwickshire CV8 2LJ Stareton, near Kenilworth Warwickshire CV8 2LJ (GB)