(19)

(11)

EP 1 841 553 A1

(12)

(43) Date of publication: 10.10.2007 Bulletin 2007/41 (21) Application number: 05818016.7 (22) Date of filing: 08.12.2005

(51) International Patent Classification (IPC):  B22C 9/02(2006.01) B22D 19/00(2006.01) B22C 3/00(2006.01) B22C 9/06(2006.01) C23C 24/10(2006.01) (86) International application number: PCT/GB2005/004712 (87) International publication number: WO 2006/064188 (22.06.2006 Gazette 2006/25)

(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 NL PL PT RO SE SI SK TR (30) Priority: 16.12.2004 GB 0427501 (71) Applicant: Mahle Powertrain Limited Northampton NN5 5TZ (GB)	(72) Inventors: EVANS, Jonathan Paul Worcester WR3 7RX (GB) TOMKINSON, Andrew Mark Upton upon Severn, Worcestershire WR8 0QQ (GB) GREEN, Nicholas Russell Bidford on Avon, Warwickshire B50 4HQ (GB) (74) Representative: Lawson, Alison Christina  Forrester & Boehmert Pettenkoferstrasse 20-22 80336 München 80336 München (DE)