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EP 1 743 090 A2

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(43) Date of publication: 17.01.2007 Bulletin 2007/03 (21) Application number: 04821851.5 (22) Date of filing: 17.03.2004

(51) International Patent Classification (IPC):  F01N 3/00(2006.01) (86) International application number: PCT/US2004/008095 (87) International publication number: WO 2005/094253 (13.10.2005 Gazette 2005/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (71) Applicant: Kleenair Systems, Inc. Irvine, CA 92614 (US)	(72) Inventors: BERRIMAN, Lester, P. Irvine, CA 92614 (US) ZABSKY, John, M. Santa Ana, CA 92707 (US) (74) Representative: Hedley, Nicholas James Matthew et al Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)