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(11)

EP 2 839 137 A1

(12)

(43) Date of publication: 25.02.2015 Bulletin 2015/09 (21) Application number: 13719390.0 (22) Date of filing: 19.04.2013

(51) International Patent Classification (IPC):  F02D 41/00(2006.01) F02D 19/06(2006.01) F02D 41/22(2006.01) (86) International application number: PCT/EP2013/001171 (87) International publication number: WO 2013/156161 (24.10.2013 Gazette 2013/43)

(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: 20.04.2012 EP 12164932 (71) Applicant: Caterpillar Motoren GmbH & Co. KG 24159 Kiel (DE)	(72) Inventor: HAAS, Stefan 24107 Quarnbek / OT Flemhude (DE) (74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB  European Patent Attorneys Landsberger Strasse 300 80687 München 80687 München (DE)