(19)

(11)

EP 2 195 717 A2

(12)

(43) Date of publication: 16.06.2010 Bulletin 2010/24 (21) Application number: 08784428.8 (22) Date of filing: 26.08.2008

(51) International Patent Classification (IPC):  G05D 23/02(2006.01) (86) International application number: PCT/DK2008/000305 (87) International publication number: WO 2009/026922 (05.03.2009 Gazette 2009/10)

(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 MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 28.08.2007 DK 200701222 (71) Applicant: Danfoss A/S 6430 Nordborg (DK)	(72) Inventors: FREDERIKSEN, Bjarne DK-8632 Lemming (DK) CLAUSEN, Anders Ostergaard DK-8680 Ry (DK)