(19)

(11)

EP 1 255 916 A1

(12)

(43) Date of publication: 13.11.2002 Bulletin 2002/46 (21) Application number: 01907150.5 (22) Date of filing: 09.02.2001

(51) International Patent Classification (IPC)7: F01L 13/08 (86) International application number: PCT/US0104/140 (87) International publication number: WO 0106/1157 (23.08.2001 Gazette 2001/34)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 18.02.2000 US 507070 09.02.2001 US 782468 (71) Applicant: BRIGGS & STRATTON CORPORATION Wauwatosa,Wisconsin 53222 (US)	(72) Inventor: GRACYALNY, Gary, J. Milwaukee, WI 53223 (US) (74) Representative: Carpenter, David  MARKS & CLERK,Alpha Tower,Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)