(19)

(11)

EP 2 558 705 A2

(12)

(43) Date of publication: 20.02.2013 Bulletin 2013/08 (21) Application number: 10849946.8 (22) Date of filing: 15.04.2010

(51) International Patent Classification (IPC):  F02M 47/02(2006.01) (86) International application number: PCT/US2010/001116 (87) International publication number: WO 2011/129799 (20.10.2011 Gazette 2011/42)

(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 SM TR (71) Applicant: Dragon America Motor Technologies, Inc. Mountain View, CA 94090 (US)	(72) Inventor: CRALL, Craig, W. Los Gatos, CA 95032 (US) (74) Representative: Thacker, Darran Ainsley  Serjeants LLP 25 The Crescent King Street Leicester LE1 6RX Leicester LE1 6RX (GB)