(19)

(11)

EP 0 571 413 A1

(12)

(43) Date of publication: 01.12.1993 Bulletin 1993/48 (21) Application number: 92903597.0 (22) Date of filing: 05.02.1992

(51) International Patent Classification (IPC):  F02D 41/ 30( . ) F02M 51/ 06( . ) F02M 61/ 16( . ) F02M 69/ 46( . ) F02M 51/ 00( . ) F02M 55/ 02( . ) F02M 61/ 20( . ) F02D 41/ 38( . ) (86) International application number: PCT/EP1992/000253 (87) International publication number: WO 1992/014047 (20.08.1992 Gazette 1992/22)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 11.02.1991 US 19910653598 (71) Applicant: SIEMENS AKTIENGESELLSCHAFT D-80333 München (DE)	(72) Inventor: DALY, Paul, Desmond Troy, MI 48084 (US)