(19)

(11)

EP 2 583 044 A2

(12)

(88) Date of publication A3: 05.04.2012 (43) Date of publication: 24.04.2013 Bulletin 2013/17 (21) Application number: 11728118.8 (22) Date of filing: 13.06.2011

(51) International Patent Classification (IPC):  F28D 9/00(2006.01) (86) International application number: PCT/US2011/040144 (87) International publication number: WO 2011/159595 (22.12.2011 Gazette 2011/51)

(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 (30) Priority: 15.06.2010 US 354943 P (71) Applicant: PB Heat, LLC Bally, PA 19503 (US)	(72) Inventor: SCEARCE, David, A. Reading, PA 19606 (US) (74) Representative: Lemcke, Brommer & Partner  Patentanwälte Bismarckstrasse 16 76133 Karlsruhe 76133 Karlsruhe (DE)