(19)

(11)

EP 1 049 858 A1

(12)

(43) Date of publication: 08.11.2000 Bulletin 2000/45 (21) Application number: 99903280.8 (22) Date of filing: 22.01.1999

(51) International Patent Classification (IPC)7: F01M 11/04 (86) International application number: PCT/US9901/334 (87) International publication number: WO 9937/895 (29.07.1999 Gazette 1999/30)

(84) Designated Contracting States: AT BE DE FR GB NL SE (30) Priority: 23.01.1998 US 72400 P 23.01.1998 US 71884 P 02.09.1998 US 98853 P 23.09.1998 US 100895 P (71) Applicant: Viken, James P. Eden Prairie, MN 55347 (US)	(72) Inventor: Viken, James P. Eden Prairie, MN 55347 (US) (74) Representative: Sturt, Clifford Mark et al Miller Sturt Kenyon9 John Street London WC1N 2ES London WC1N 2ES (GB)