(19)

(11)

EP 2 167 800 A2

(12)

(88) Date of publication A3: 07.05.2009 (43) Date of publication: 31.03.2010 Bulletin 2010/13 (21) Application number: 08788824.4 (22) Date of filing: 19.06.2008

(51) International Patent Classification (IPC):  F02D 41/02(2006.01) F02D 41/14(2006.01) (86) International application number: PCT/IB2008/001604 (87) International publication number: WO 2008/155638 (24.12.2008 Gazette 2008/52)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 19.06.2007 US 820332 (71) Applicant: Eaton Corporation Cleveland Ohio 44114-2584 (US)	(72) Inventors: REUTER, Johannes, W. Ypsilanti, MI 48197 (US) BEVAN, Karen, E. Northville, MI 48167 (US) CHIMNER, Christian, T. Royal Oaks, MI 48073 (US) (74) Representative: Carstens, Dirk Wilhelm et al Wagner & Geyer Gewürzmühlstrasse 5 80538 München 80538 München (DE)