(19)

(11)

EP 0 060 244 A1

(12)

(43) Date of publication: 22.09.1982 Bulletin 1982/38 (21) Application number: 81901007.0 (22) Date of filing: 11.09.1980

(51) International Patent Classification (IPC):  F02D 1/ 04( . ) F02D 1/ 12( . ) (86) International application number: PCT/US1980/001168 (87) International publication number: WO 1982/001036 (01.04.1982 Gazette 1982/09)

(84) Designated Contracting States: DE FR GB (71) Applicant: CATERPILLAR TRACTOR CO. Peoria, Illinois 61629 (US)	(72) Inventor: GIBSON, Dennis H. Edelstein, IL 61526 (US) (74) Representative: Brunner, Michael John, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)