(19)

(11)

EP 0 157 863 A1

(12)

(43) Date of publication: 16.10.1985 Bulletin 1985/42 (21) Application number: 84903753.0 (22) Date of filing: 15.10.1984

(51) International Patent Classification (IPC):  F03B 17/ 06( . ) F03D 3/ 06( . ) (86) International application number: PCT/GB1984/000348 (87) International publication number: WO 1985/001780 (25.04.1985 Gazette 1985/10)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 15.10.1983 GB 19830027663 (71) Applicants: DUNN, Samuel County Down (GB) DUNN, Elizabeth County Down (GB) DUNN, Hugh Cleland County Down (GB)	(72) Inventors: DUNN, Samuel County Down (GB) DUNN, Elizabeth County Down (GB) DUNN, Hugh Cleland County Down (GB) (74) Representative: Huskisson, Frank Mackie  FITZPATRICKS 4 West Regent Street Glasgow G2 1RS Scotland Glasgow G2 1RS Scotland (GB)