(19)

(11)

EP 2 494 155 A1

(12)

(43) Date of publication: 05.09.2012 Bulletin 2012/36 (21) Application number: 09850931.8 (22) Date of filing: 27.10.2009

(51) International Patent Classification (IPC):  F01D 9/04(2006.01) (86) International application number: PCT/SE2009/000476 (87) International publication number: WO 2011/053198 (05.05.2011 Gazette 2011/18)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Volvo Aero Corporation 46181 Trollhättan (SE)	(72) Inventors: SAMUELSSON, Rickard SE-461 31 Trollhättan (SE) REIMERS, Robert SE-451 70 Uddevalla (SE) (74) Representative: Jönrup, Emil  Volvo Technology Corporation Corporate IP Dept 06820, M1.7 SE-40508 Göteborg SE-40508 Göteborg (SE)