(19)

(11)

EP 2 245 293 A2

(12)

(88) Date of publication A3: 29.10.2009 (43) Date of publication: 03.11.2010 Bulletin 2010/44 (21) Application number: 09700977.3 (22) Date of filing: 09.01.2009

(51) International Patent Classification (IPC):  F02M 25/07(2006.01) F01N 7/08(0000.00) F01N 3/10(2006.01) F02B 47/08(2006.01) (86) International application number: PCT/US2009/000190 (87) International publication number: WO 2009/089074 (16.07.2009 Gazette 2009/29)

(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 MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 11.01.2008 US 10733 P 26.09.2008 US 286001 (71) Applicant: Cummins Inc. Columbus, IN 47201 (US)

(72) Inventors: YEZERETS, Aleksey Columbus IN 47201 (US) CURRIER, Neal, W. Columbus IN 47203 (US) STROIA, Bradlee, J. Columbus IN 47203 (US) CHEN, Haiying Gulph Mills PA 19428 (US) HESS, Howard Schwenksville PA 19473 (US) KONDURU, Mahesh Philadelphia PA 19103 (US) (74) Representative: Beyer, Andreas  Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München 81541 München (DE)