(19)

(11)

EP 2 229 557 A2

(12)

(88) Date of publication A3: 11.09.2009 (43) Date of publication: 22.09.2010 Bulletin 2010/38 (21) Application number: 08861631.3 (22) Date of filing: 17.12.2008

(51) International Patent Classification (IPC):  F23Q 7/22(2006.01) F23Q 7/00(2006.01) (86) International application number: PCT/US2008/087071 (87) International publication number: WO 2009/079530 (25.06.2009 Gazette 2009/26)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 17.12.2007 US 14122 13.06.2008 US 61387 16.12.2008 US 335682 (71) Applicant: Federal-Mogul Ignition Company Southfield, MI 48033 (US)	(72) Inventors: HOFFMAN, John Perrysburg OH 43551 (US) GORETTI, Sandro I-42048 Rubiera (IT) RENA, Camillo I-12084 Modovi (IT) WALKER, William Toledo OH 43606 (US) CINO, Marcello I-42048 Robiera (IT) (74) Representative: Marchitelli, Mauro  Buzzi, Notaro & Antonielli d'Oulx Via Maria Vittoria 18 10123 Torino 10123 Torino (IT)