(19)

(11)

EP 2 553 234 A1

(12)

(43) Date of publication: 06.02.2013 Bulletin 2013/06 (21) Application number: 11762049.2 (22) Date of filing: 10.03.2011

(51) International Patent Classification (IPC):  F02B 37/04(2006.01) H02K 7/18(2006.01) F02B 39/10(2006.01) (86) International application number: PCT/DK2011/000016 (87) International publication number: WO 2011/120520 (06.10.2011 Gazette 2011/40)

(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 Designated Extension States: BA ME (30) Priority: 31.03.2010 DK 201000270 (71) Applicant: Rotrex A/S 2730 Herlev (DK)	(72) Inventor: KOLSTRUP, Anders DK-2500 Valby (DK) (74) Representative: Larsen, Hans Ole et al Larsen & Birkeholm A/S, Banegårdspladsen 1, P.O. Box 362 1570 Copenhagen V 1570 Copenhagen V (DK)