(19)

(11)

EP 2 558 723 A1

(12)

(43) Date of publication: 20.02.2013 Bulletin 2013/08 (21) Application number: 11716216.4 (22) Date of filing: 15.04.2011

(51) International Patent Classification (IPC):  F04B 43/08(2006.01) F04B 53/10(2006.01) (86) International application number: PCT/EP2011/056036 (87) International publication number: WO 2011/128440 (20.10.2011 Gazette 2011/42)

(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 (30) Priority: 16.04.2010 EP 10160177 (71) Applicant: Veinux ApS 8200 Aarhus N (DK)	(72) Inventors: HANSEN, Jan Erik Vest DK-8000 Aarhus C. (DK) MØLBY, Ole DK-8260 Viby J. (DK) VESTERGAARD, Jens Brusgaard DK-8000 Aarhus C. (DK) (74) Representative: Hammer, Velaja Bisgaard  Inspicos A/S Kogle Allé 2 P.O. Box 45 2970 Hørsholm 2970 Hørsholm (DK)