(19)

(11)

EP 1 034 375 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 98956989.2 (22) Date of filing: 26.11.1998

(51) International Patent Classification (IPC)7: F04D 3/02 // F04D31:00 (86) International application number: PCT/GB9803/524 (87) International publication number: WO 9927/256 (03.06.1999 Gazette 1999/22)

(84) Designated Contracting States: AT BE DE DK ES FI FR GB GR IE IT NL PT SE Designated Extension States: AL LT LV RO (30) Priority: 26.11.1997 GB 9724899 (71) Applicant: Triangle Engineering Consultants Limited Bridge of Don,Aberdeen AB23 8GX (GB)	(72) Inventors: SIMPSON, Alastair, John Aberdeen AB25 2DD (GB) CAMERON, Anthony, Duncan Aberdeen AB1 7PP (GB) (74) Representative: Allan, James Stewart et al Murgitroyd & Company,373 Scotland Street Glasgow G5 8QA Glasgow G5 8QA (GB)