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(11)

EP 1 869 389 A1

(12)

(43) Date of publication: 26.12.2007 Bulletin 2007/52 (21) Application number: 06721699.4 (22) Date of filing: 21.03.2006

(51) International Patent Classification (IPC):  F28D 7/16(2006.01) F28F 9/04(2006.01) F28F 1/02(2006.01) F28F 9/22(2006.01) B23P 15/26(2006.01) (86) International application number: PCT/CA2006/000431 (87) International publication number: WO 2006/102736 (05.10.2006 Gazette 2006/40)

(84) Designated Contracting States: DE IT (30) Priority: 01.04.2005 CA 2503424 (71) Applicant: Dana Canada Corporation Oakville, Ontario L6K 3E4 (CA)	(72) Inventors: MARTIN, Michael A. Hamilton, Ontario L8V 2V1 (CA) WU, Alan K. Kitchener, Ontario N2P 1S8 (CA) (74) Representative: Cheyne, John Robert Alexander M.  HASELTINE LAKE Redcliff Quay 120 Redcliff Street Bristol BS1 6HU Bristol BS1 6HU (GB)