(19)

(11)

EP 1 200 717 A1

(12)

(43) Date of publication: 02.05.2002 Bulletin 2002/18 (21) Application number: 00960123.8 (22) Date of filing: 30.06.2000

(51) International Patent Classification (IPC)7: F02B 23/08 (86) International application number: PCT/US0040/294 (87) International publication number: WO 0102/707 (11.01.2001 Gazette 2001/02)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 01.07.1999 US 142008 P 01.02.2000 US 496146 (71) Applicant: Combustion Electromagnetics, Inc. Arlington, MA 02476 (US)	(72) Inventor: Ward, Michael A. V.Combustion Electromag.,Inc. Arlington, MA 02476 (US) (74) Representative: Duffy, Assumpta Dympna  F. R. Kelly & Co.,27 Clyde Road,Ballsbridge Dublin 4 Dublin 4 (IE)