(19)

(11)

EP 2 997 314 A1

(12)

(43) Date of publication: 23.03.2016 Bulletin 2016/12 (21) Application number: 14751092.9 (22) Date of filing: 14.02.2014

(51) International Patent Classification (IPC):  F24F 13/30(2006.01) F24H 3/06(2006.01) F24F 12/00(2006.01) (86) International application number: PCT/CA2014/050101 (87) International publication number: WO 2014/124538 (21.08.2014 Gazette 2014/34)

(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: 15.02.2013 US 201313768067 (71) Applicant: Nortek Air Solutions Canada, Inc. Saskatoon, SK S7K 1V7 (CA)	(72) Inventor: WAWRYK, Maury Brad Saskatoon, Saskatchewan S7K 3J9 (CA) (74) Representative: Somervell, Thomas Richard  Marks & Clerk LLP Alpha Tower Suffolk Street Queensway Birmingham B1 1TT Birmingham B1 1TT (GB)