(19)

(11)

EP 0 954 683 A1

(12)

(43) Date of publication: 10.11.1999 Bulletin 1999/45 (21) Application number: 97952441.0 (22) Date of filing: 11.12.1997

(51) International Patent Classification (IPC):  F01L 13/ 08( . ) F02N 17/ 00( . ) (86) International application number: PCT/US1997/023042 (87) International publication number: WO 1998/030788 (16.07.1998 Gazette 1998/28)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 14.01.1997 US 19970035573 08.05.1997 US 19970853386 (71) Applicant: BRIGGS & STRATTON CORPORATION Wauwatosa, Wisconsin 53222 (US)	(72) Inventor: GRACYALNY, Gary, J. Milwaukee, WI 53223 (US) (74) Representative: Burke, Steven David, et al  R.G.C. Jenkins & Co. 26 Caxton Street London SW1H 0RJ London SW1H 0RJ (GB)