(19)

(11)

EP 2 658 806 A1

(12)

(43) Date of publication: 06.11.2013 Bulletin 2013/45 (21) Application number: 10798134.2 (22) Date of filing: 28.12.2010

(51) International Patent Classification (IPC):  B67D 7/04(2010.01) F04B 17/04(2006.01) F04B 9/117(2006.01) (86) International application number: PCT/EP2010/070814 (87) International publication number: WO 2012/089246 (05.07.2012 Gazette 2012/27)

(84) Designated Contracting States: AL 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 RS SE SI SK SM TR (71) Applicant: Dresser Wayne AB 202 15 Malmö (SE)	(72) Inventor: LARSSON, Bengt I. S-274 53 Skivarp (SE) (74) Representative: Johansson, Magnus  Awapatent AB Box 1066 251 10 Helsingborg 251 10 Helsingborg (SE)