(19)

(11)

EP 1 812 708 A1

(12)

(43) Date of publication: 01.08.2007 Bulletin 2007/31 (21) Application number: 04796633.8 (22) Date of filing: 28.10.2004

(51) International Patent Classification (IPC):  F02M 61/16(2006.01) (86) International application number: PCT/US2004/035790 (87) International publication number: WO 2006/049598 (11.05.2006 Gazette 2006/19)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (71) Applicant: ROBERT BOSCH GMBH 70442 Stuttgart (DE)	(72) Inventors: HARKEMA, Randall C. Caledonia, Michigan 49316 (US) BENNETT, Josh Grand Rapids, Michigan 49506 (US) VANDER WEIDE, Derek Grand Rapids, Michigan 49507 (US)