(19)

(11)

EP 1 153 203 A1

(12)

(43) Date of publication: 14.11.2001 Bulletin 2001/46 (21) Application number: 00977727.7 (22) Date of filing: 27.11.2000

(51) International Patent Classification (IPC)7: F01C 3/02, F01C 3/04, F01C 1/46 (86) International application number: PCT/GB0004/485 (87) International publication number: WO 0140/630 (07.06.2001 Gazette 2001/23)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL Designated Extension States: AL LT LV MK RO SI (30) Priority: 30.11.1999 GB 9928223 01.06.2000 GB 0013157 13.11.2000 GB 0027605 (71) Applicants: Allen, Margaret Elizabeth Cardiff CF5 1FN (GB) KHALID, Muhammad Yousuf Canton,Cardiff CF5 1FN (GB)	(72) Inventor: KHALID, Muhammad Yousuf Canton,Cardiff CF5 1FN (GB) (74) Representative: Lainé, Simon James  Wynne-Jones, Lainé & JamesMorgan Arcade Chambers33, St.Mary Street Cardiff CF1 2AB Cardiff CF1 2AB (GB)