(19)

(11)

EP 1 687 539 A1

(12)

(43) Date of publication: 09.08.2006 Bulletin 2006/32 (21) Application number: 04775488.2 (22) Date of filing: 30.09.2004

(51) International Patent Classification (IPC):  F04C 18/16(2006.01) (86) International application number: PCT/SE2004/001390 (87) International publication number: WO 2005/038257 (28.04.2005 Gazette 2005/17)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (30) Priority: 17.10.2003 SE 0302739 (71) Applicant: SVENSKA ROTOR MASKINER AB S-104 65 Stockholm (SE)	(72) Inventors: SUNDSTRÖM, Mats S-134 62 Ingarö (SE) ÖHMAN, Henrik S-187 76 Täby (SE) (74) Representative: Karlsson, Leif Karl Gunnar et al Groth & Co. KB Box 6107 102 32 Stockholm 102 32 Stockholm (SE)