(19)

(11)

EP 1 994 308 A2

(12)

(88) Date of publication A3: 03.01.2008 (43) Date of publication: 26.11.2008 Bulletin 2008/48 (21) Application number: 07753013.7 (22) Date of filing: 13.03.2007

(51) International Patent Classification (IPC):  F16H 39/00(2006.01) (86) International application number: PCT/US2007/006354 (87) International publication number: WO 2007/106500 (20.09.2007 Gazette 2007/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 13.03.2006 US 781775 P (71) Applicant: Hybra-Drive Systems, LLC Deerfield, MI 49238 (US)	(72) Inventor: O'Brien, James, A., II LaSalle, MI 48145 (US) (74) Representative: Wilson, Alan Stuart  Barker Brettell LLP 138 Hagley Road Edgbaston Birmingham B16 9PW Edgbaston Birmingham B16 9PW (GB)