(19)

(11)

EP 2 850 303 A1

(12)

(43) Date of publication: 25.03.2015 Bulletin 2015/13 (21) Application number: 13722994.4 (22) Date of filing: 14.05.2013

(51) International Patent Classification (IPC):  F02D 19/06(2006.01) F02M 37/00(2006.01) F02D 19/08(2006.01) (86) International application number: PCT/EP2013/001414 (87) International publication number: WO 2013/170951 (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 EP 12168131 (71) Applicant: Caterpillar Motoren GmbH & Co. KG 24159 Kiel (DE)	(72) Inventor: AEFFNER, Kurt 24161 Altenholz (DE) (74) Representative: Kramer Barske Schmidtchen Patentanwälte PartG mbB  European Patent Attorneys Landsberger Strasse 300 80687 München 80687 München (DE)