(19)

(11)

EP 2 089 613 A2

(12)

(88) Date of publication A3: 24.07.2008 (43) Date of publication: 19.08.2009 Bulletin 2009/34 (21) Application number: 07862495.4 (22) Date of filing: 04.12.2007

(51) International Patent Classification (IPC):  F01L 1/352(2006.01) (86) International application number: PCT/US2007/024822 (87) International publication number: WO 2008/070066 (12.06.2008 Gazette 2008/24)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 05.12.2006 US 868644 P (71) Applicant: The Timken Company Canton, OH 44706-0930 (US)	(72) Inventors: AI, Xiaolan Massillon, Ohio 44646 (US) REMBOSKI, Don Akron, Ohio 44333 (US) (74) Representative: Marles, Alan David  Stevens, Hewlett & Perkins, Halton House 20/23 Holborn London EC1N 2JD London EC1N 2JD (GB)