(19)

(11)

EP 1 173 673 A2

(12)

(88) Date of publication A3: 22.02.2001 (43) Date of publication: 23.01.2002 Bulletin 2002/04 (21) Application number: 99954488.5 (22) Date of filing: 08.10.1999

(51) International Patent Classification (IPC)7: F02N 5/04 (86) International application number: PCT/NL9900/626 (87) International publication number: WO 0052/329 (08.09.2000 Gazette 2000/36)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.10.1998 NL 1010277 (71) Applicant: SCHUURSMA, Johannes Karel NL-1861 NA Bergen (NL)	(72) Inventor: SCHUURSMA, Johannes Karel NL-1861 NA Bergen (NL) (74) Representative: Koomen, M.J.I.  Kennemerstraatweg 35-37 1814 GB Alkmaar 1814 GB Alkmaar (NL)