(19)

(11)

EP 2 753 811 A1

(12)

(43) Date of publication: 16.07.2014 Bulletin 2014/29 (21) Application number: 12823474.7 (22) Date of filing: 15.08.2012

(51) International Patent Classification (IPC):  F02C 9/26(2006.01) F02C 7/22(2006.01) (86) International application number: PCT/US2012/050972 (87) International publication number: WO 2013/025818 (21.02.2013 Gazette 2013/08)

(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: 15.08.2011 US 201161523576 P 15.08.2011 US 201161523569 P (71) Applicant: Eaton Corporation Cleveland, OH 44114-2584 (US)	(72) Inventor: CLEMENTS, Martin, Augustine North Royalton, OH 44133 (US) (74) Representative: Schwan Schorer & Partner mbB  Patentanwälte Bauerstrasse 22 80796 München 80796 München (DE)