(19)

(11)

EP 2 148 976 A1

(12)

(43) Date of publication: 03.02.2010 Bulletin 2010/05 (21) Application number: 08736321.4 (22) Date of filing: 17.04.2008

(51) International Patent Classification (IPC):  F01D 5/04(2006.01) F04D 29/28(2006.01) F04D 29/02(2006.01) (86) International application number: PCT/EP2008/054656 (87) International publication number: WO 2008/128954 (30.10.2008 Gazette 2008/44)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 23.04.2007 EP 07008235 (71) Applicant: Napier Turbochargers Limited Lincoln Lincolnshire LN5 7FD (GB)	(72) Inventors: HEYES, Francis Lincoln LN2 1RG (GB) NILSSON, Ulf Whetstone, Leicester LE8 6HN (GB) (74) Representative: Gill, Stephen Charles et al Mewburn Ellis LLP 33 Gutter Lane London EC2V 8AS London EC2V 8AS (GB)