(19)

(11)

EP 2 850 319 A1

(12)

(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13723481.1 (22) Date of filing: 15.05.2013

(51) International Patent Classification (IPC):  F04B 49/06(2006.01) F04C 14/00(2006.01) F04D 27/00(2006.01) (86) International application number: PCT/EP2013/059997 (87) International publication number: WO 2013/171245 (21.11.2013 Gazette 2013/47)

(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 Designated Extension States: BA ME (30) Priority: 15.05.2012 DE 102012104214 (71) Applicant: Xylem IP Holdings LLC White Plains, NY 10604 (US)	(72) Inventor: LAING, Karsten 71566 Althuette (DE) (74) Representative: Hoeger, Stellrecht & Partner Patentanwälte  Uhlandstrasse 14c 70182 Stuttgart 70182 Stuttgart (DE)