(19)

(11)

EP 2 435 298 A1

(12)

(43) Date of publication: 04.04.2012 Bulletin 2012/14 (21) Application number: 10780894.1 (22) Date of filing: 28.05.2010

(51) International Patent Classification (IPC):  B63H 1/26(2006.01) F01D 5/14(2006.01) (86) International application number: PCT/SE2010/050583 (87) International publication number: WO 2010/138073 (02.12.2010 Gazette 2010/48)

(84) Designated Contracting States: AL 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 (30) Priority: 29.05.2009 SE 0950387 (71) Applicant: Rolls-Royce Aktiebolag 681 29 Kristinehamn (SE)	(72) Inventors: FORSSTRÖM, Jan-Olov S-681 35 Kristinehamn (SE) LINDQUIST, Torbjörn S-656 72 Skattkärr (SE) NORLIN, Niclas S-656 72 Skattkärr (SE) (74) Representative: Johansson, Lars E.  Hynell Patenttjänst AB P.O. Box 138 683 23 Hagfors 683 23 Hagfors (SE)