(19)

(11)

EP 0 084 540 A1

(12)

(43) Date of publication: 03.08.1983 Bulletin 1983/31 (21) Application number: 82902055.0 (22) Date of filing: 16.07.1982

(51) International Patent Classification (IPC):  F04D 13/ 08( . ) F04D 29/ 10( . ) (86) International application number: PCT/AU1982/000114 (87) International publication number: WO 1983/000364 (03.02.1983 Gazette 1983/04)

(84) Designated Contracting States: DE FR GB (30) Priority: 17.07.1981 AU 19810009803 (71) Applicant: RICE, John Trevor Albury, N.S.W. 2640 (AU)	(72) Inventor: RICE, John Trevor Albury, N.S.W. 2640 (AU) (74) Representative: Brunner, Michael John, et al  GILL JENNINGS & EVERY Broadgate House 7 Eldon Street London EC2M 7LH London EC2M 7LH (GB)