(19)

(11)

EP 3 069 086 A1

(12)

(43) Date of publication: 21.09.2016 Bulletin 2016/38 (21) Application number: 14799863.7 (22) Date of filing: 14.11.2014

(51) International Patent Classification (IPC):  F24F 13/24(2006.01) F24F 1/04(2006.01) F24F 12/00(2006.01) E04B 1/82(2006.01) F24F 5/00(2006.01) F24F 13/02(2006.01) (86) International application number: PCT/GB2014/053374 (87) International publication number: WO 2015/071674 (21.05.2015 Gazette 2015/20)

(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: 15.11.2013 GB 201320228 (71) Applicant: Silentair Group Limited Halifax Yorkshire HX1 5SP (GB)	(72) Inventor: GILLATT, Phil Halifax West Yorkshire HX1 5SP (GB) (74) Representative: Appleyard Lees IP LLP  15 Clare Road Halifax HX1 2HY Halifax HX1 2HY (GB)