(19)

(11)

EP 2 425 193 A2

(12)

(88) Date of publication A3: 17.02.2011 (43) Date of publication: 07.03.2012 Bulletin 2012/10 (21) Application number: 10726891.4 (22) Date of filing: 30.04.2010

(51) International Patent Classification (IPC):  F28D 7/10(2006.01) F28F 1/08(2006.01) F28F 1/06(2006.01) B21D 53/06(2006.01) (86) International application number: PCT/EP2010/002656 (87) International publication number: WO 2010/124871 (04.11.2010 Gazette 2010/44)

(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 MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 30.04.2009 EP 09159260 29.05.2009 GB 0909221 (71) Applicant: Eaton Fluid Power GmbH 76532 Baden-Baden (DE)	(72) Inventors: HILGERT, Andreas, Richard 76547 Sinzheim (DE) KLUG, Peter, Tobias 77933 Lahr (DE) ZAKRZEWSKI, Thomas, Zenon 76437 Rastatt (DE) WALTER, Leonid 76532 Baden-Baden (DE) (74) Representative: Leadbetter, Benedict  Eaton Industries Manufacturing GmbH Patent Law Department Route de la Longeraie 7 1110 Morges VD 1110 Morges VD (CH)