(19)

(11)

EP 2 265 879 A1

(12)

(43) Date of publication: 29.12.2010 Bulletin 2010/52 (21) Application number: 08827568.0 (22) Date of filing: 15.08.2008

(51) International Patent Classification (IPC):  F28D 11/00(2006.01) (86) International application number: PCT/US2008/073337 (87) International publication number: WO 2009/023840 (19.02.2009 Gazette 2009/08)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 15.08.2007 US 955962 P (71) Applicant: Bonner, Michael R. Rochester Hills, MI 48306 (US)	(72) Inventor: Bonner, Michael R. Rochester Hills, MI 48306 (US) (74) Representative: Murgitroyd, George Edward  Murgitroyd & Company Scotland House 165-169 Scotland Street Glasgow G5 8PL Glasgow G5 8PL (GB)