(19)

(11)

EP 2 844 926 A2

(12)

(88) Date of publication A3: 14.11.2013 (43) Date of publication: 11.03.2015 Bulletin 2015/11 (21) Application number: 13765224.4 (22) Date of filing: 19.03.2013

(51) International Patent Classification (IPC):  F24F 13/15(2006.01) (86) International application number: PCT/US2013/033028 (87) International publication number: WO 2013/142535 (26.09.2013 Gazette 2013/39)

(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: 19.03.2012 US 201213424045 20.04.2012 US 201213503326 (71) Applicant: Casey, Daniel P. Seattle, WA 98112 (US)	(72) Inventor: Casey, Daniel P. Seattle, WA 98112 (US) (74) Representative: Henze, Lasse et al Awapatent A/S Rigensgade 11 1316 Kobenhavn K 1316 Kobenhavn K (DK)