(19)

(11)

EP 2 064 417 A1

(12)

(43) Date of publication: 03.06.2009 Bulletin 2009/23 (21) Application number: 07842677.2 (22) Date of filing: 18.09.2007

(51) International Patent Classification (IPC):  F01L 1/352(2006.01) (86) International application number: PCT/US2007/078755 (87) International publication number: WO 2008/036650 (27.03.2008 Gazette 2008/13)

(84) Designated Contracting States: DE FR IT Designated Extension States: AL BA HR MK RS (30) Priority: 19.09.2006 US 845692 P (71) Applicant: THE TIMKEN COMPANY Canton, OH 44706-0930 (US)	(72) Inventor: AI, Xiaolan Massillon, Ohio 44646 (US) (74) Representative: Marles, Alan David  Stevens Hewlett & Perkins 1 St Augustine's Place Bristol BS1 4UD Bristol BS1 4UD (GB)