(19)

(11)

EP 2 069 692 A2

(12)

(88) Date of publication A3: 31.12.2008 (43) Date of publication: 17.06.2009 Bulletin 2009/25 (21) Application number: 07814765.9 (22) Date of filing: 08.09.2007

(51) International Patent Classification (IPC):  F24D 13/02(2006.01) (86) International application number: PCT/US2007/077951 (87) International publication number: WO 2008/036515 (27.03.2008 Gazette 2008/13)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 18.09.2006 US 825939 P (71) Applicant: Storm Development LLC Erie, Pennsylvania 16510 (US)	(72) Inventor: BRISELDEN, Thomas D. North East, Pennsylvania 16428 (US) (74) Representative: Hamer, Christopher K.  Mathys & Squire LLP 120 Holborn London EC1N 2SQ London EC1N 2SQ (GB)