(19)

(11)

EP 0 749 533 A1

(12)

(43) Date of publication: 27.12.1996 Bulletin 1996/52 (21) Application number: 95907077.0 (22) Date of filing: 31.01.1995

(51) International Patent Classification (IPC):  F04D 29/ 056( . ) F04D 25/ 06( . ) F04D 29/ 059( . ) F04D 29/ 58( . ) F04D 17/ 12( . ) F04D 29/ 04( . ) F04D 29/ 06( . ) (86) International application number: PCT/GB1995/000193 (87) International publication number: WO 1995/024563 (14.09.1995 Gazette 1995/39)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.03.1994 GB 19940004436 (71) Applicant: WELSH INNOVATIONS LIMITED Cardiff, South Glamorgan CF1 9LJ (GB)	(72) Inventor: GOZDAWA, Richard Powys ST16 2LW (GB) (74) Representative: Davies, Gregory Mark, et al  Urquhart-Dykes & Lord Alexandra House 1 Alexandra Road Wales Swansea, West Glamorgan SA1 5ED Swansea, West Glamorgan SA1 5ED (GB)