(19)

(11)

EP 0 769 098 A1

(12)

(43) Date of publication: 23.04.1997 Bulletin 1997/17 (21) Application number: 93919753.0 (22) Date of filing: 17.08.1993

(51) International Patent Classification (IPC):  F02C 9/ 16( . ) F02C 3/ 13( . ) F02C 9/ 18( . ) F02C 3/ 107( . ) F02C 3/ 36( . ) (86) International application number: PCT/SE1993/000679 (87) International publication number: WO 1994/005904 (17.03.1994 Gazette 1994/07)

(84) Designated Contracting States: DE DK ES FR GB IT (30) Priority: 28.08.1992 SE 19920002467 (71) Applicant: ABB CARBON AB 612 82 Finspang (SE)	(72) Inventor: SKOG, Agnar S-612 41 Finspong (SE) (74) Representative: Boecker, Joachim, Dr.-Ing.  Adelonstrasse 58 65929 Frankfurt am Main 65929 Frankfurt am Main (DE)