(19)

(11)

EP 0 478 655 A1

(12)

(43) Date of publication: 08.04.1992 Bulletin 1992/15 (21) Application number: 90909777.0 (22) Date of filing: 19.06.1990

(51) International Patent Classification (IPC):  F03D 1/ 06( . ) (86) International application number: PCT/NL1990/000086 (87) International publication number: WO 1991/000427 (10.01.1991 Gazette 1991/02)

(84) Designated Contracting States: DE NL (30) Priority: 23.06.1989 NL 19890001601 (71) Applicant: BAKKER, Johannes, Petrus NL-1016 CD Amsterdam (NL)	(72) Inventor: BAKKER, Johannes, Petrus NL-1016 CD Amsterdam (NL) (74) Representative: Keijser, Johannes Maurits L.F., Mr., et al  EXTERPATENT B.V. P.O. Box 3241 NL-2280 GE Rijswijk NL-2280 GE Rijswijk (NL)