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(11)

EP 2 844 923 A1

(12)

(43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 13784786.9 (22) Date of filing: 03.05.2013

(51) International Patent Classification (IPC):  F24C 15/20(2006.01) F24C 7/06(2006.01) F24C 15/08(2006.01) F24C 3/00(2006.01) (86) International application number: PCT/US2013/039554 (87) International publication number: WO 2013/166445 (07.11.2013 Gazette 2013/45)

(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: 03.05.2012 US 201261642060 P (71) Applicant: Broan-Nutone Llc. Hartford, WI 53027 (US)	(72) Inventors: SINUR, Richard, R. West Bend, WI 53095 (US) WELLNITZ, Brian, R. Grafton, WI 53024 (US) PERKINS, Jay, F. Hartford, WI 53027 (US) MONTAG, Sean Hartford, WI 53027 (US) (74) Representative: Kenrick, Mark Lloyd  Marks & Clerk LLP 1 New York Street Manchester, M1 4HD Manchester, M1 4HD (GB)