(19)

(11)

EP 2 943 728 A1

(12)

(43) Date of publication: 18.11.2015 Bulletin 2015/47 (21) Application number: 14703878.0 (22) Date of filing: 12.02.2014

(51) International Patent Classification (IPC):  F24F 13/24(2006.01) G10K 11/168(2006.01) F16L 55/033(2006.01) F24F 13/02(2006.01) (86) International application number: PCT/EP2014/052713 (87) International publication number: WO 2014/128040 (28.08.2014 Gazette 2014/35)

(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: 19.02.2013 GB 201302838 (71) Applicant: VKR Holding A/S 2970 Hørsholm (DK)	(72) Inventor: IACIOFANO, Christopher High Wycombe Buckinghamshire HP12 3SE (GB) (74) Representative: Sales, Robert Reginald  Swindell & Pearson Limited 48 Friar Gate Derby DE1 1GY Derby DE1 1GY (GB)