(19)

(11)

EP 2 633 197 A1

(12)

(43) Date of publication: 04.09.2013 Bulletin 2013/36 (21) Application number: 11836783.8 (22) Date of filing: 26.07.2011

(51) International Patent Classification (IPC):  F04D 25/06(2006.01) F04D 17/12(2006.01) F04D 29/58(2006.01) H02K 9/06(2006.01) (86) International application number: PCT/US2011/045270 (87) International publication number: WO 2012/057885 (03.05.2012 Gazette 2012/18)

(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 RS SE SI SK SM TR (30) Priority: 27.10.2010 US 407148 P (71) Applicant: Dresser-Rand Company Olean, NY 14760 (US)	(72) Inventors: GILARRANZ, Jose L. Katy, Texas 77494 (US) LARDY, Pascal Houston, Texas 77079 (US) (74) Representative: Giles, Ashley Simon  Haseltine Lake LLP Lincoln House, 5th Floor 300 High Holborn London WC1V 7JH London WC1V 7JH (GB)