(19)

(11)

EP 0 505 360 A1

(12)

(43) Date of publication: 30.09.1992 Bulletin 1992/40 (21) Application number: 90913736.0 (22) Date of filing: 14.09.1990

(51) International Patent Classification (IPC):  F04D 17/ 16( . ) F04D 29/ 24( . ) F04D 29/ 22( . ) F04D 29/ 30( . ) (86) International application number: PCT/NL1990/000132 (87) International publication number: WO 1991/004418 (04.04.1991 Gazette 1991/08)

(84) Designated Contracting States: BE DE FR GB IT NL (30) Priority: 20.09.1989 NL 19890002346 (71) Applicant: VAN DE LAAR, Jacob NL-5142 NN Waalwijk (NL)	(72) Inventor: VAN DE LAAR, Jacob NL-5142 NN Waalwijk (NL)