(19)

(11)

EP 2 780 567 A1

(12)

(43) Date of publication: 24.09.2014 Bulletin 2014/39 (21) Application number: 11875613.9 (22) Date of filing: 16.11.2011

(51) International Patent Classification (IPC):  F02B 37/00(2006.01) (86) International application number: PCT/US2011/060887 (87) International publication number: WO 2013/074094 (23.05.2013 Gazette 2013/21)

(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 (71) Applicant: Mack Trucks, Inc. Greensboro, NC 27409 (US)	(72) Inventors: TAYLOR, Maxwell Manassas, VA 20110 (US) NKOUKA, Louis Waynesboro, PA 17268 (US) MYERS, Adam Hagerstown, MD 21742 (US) (74) Representative: Jönrup, Emil  Volvo Technology Corporation Volvo Corporate Intellectual Property Dept. BF14100, M1.7 405 08 Göteborg 405 08 Göteborg (SE)