(19)

(11)

EP 0 276 252 A1

(12)

(43) Date of publication: 03.08.1988 Bulletin 1988/31 (21) Application number: 87904634.0 (22) Date of filing: 26.06.1987

(51) International Patent Classification (IPC):  F04C 18/ 16( . ) F04C 28/ 18( . ) F04C 28/ 08( . ) F04C 29/ 12( . ) (86) International application number: PCT/SE1987/000305 (87) International publication number: WO 1988/000294 (14.01.1988 Gazette 1988/02)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI NL SE (30) Priority: 08.07.1986 GB 19860016596 (71) Applicant: SVENSKA ROTOR MASKINER AB S-104 65 Stockholm (SE)	(72) Inventors: SJÖHOLM, Lars S-191 53 Sollentuna (SE) EDSTRÖM, Sören S-752 26 Uppsala (SE) (74) Representative: Waldinger, Ake  Svenska Rotor Maskiner AB Box 15085 S-104 65 Stockholm S-104 65 Stockholm (SE)