(19)

(11)

EP 1 036 254 A1

(12)

(43) Date of publication: 20.09.2000 Bulletin 2000/38 (21) Application number: 98940751.5 (22) Date of filing: 24.08.1998

(51) International Patent Classification (IPC)7: F01C 9/00, F04C 9/00 (86) International application number: PCT/SE9801/511 (87) International publication number: WO 9928/597 (10.06.1999 Gazette 1999/23)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 02.12.1997 SE 9704477 (71) Applicant: Harju Innovation AB 960 24 Harads (SE)	(72) Inventor: HARJU, Bert S-960 24 Harads (SE) (74) Representative: Avellan-Hultman, Olle  Ehrner & Delmar Patentbyra ABBox 10316 100 55 Stockholm 100 55 Stockholm (SE)