(19)

(11)

EP 2 109 740 A2

(12)

(88) Date of publication A3: 13.11.2008 (43) Date of publication: 21.10.2009 Bulletin 2009/43 (21) Application number: 08713951.5 (22) Date of filing: 24.01.2008

(51) International Patent Classification (IPC):  F22B 37/42(2006.01) (86) International application number: PCT/US2008/051846 (87) International publication number: WO 2008/091970 (31.07.2008 Gazette 2008/31)

(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 (30) Priority: 26.01.2007 US 627739 03.12.2007 US 949314 (71) Applicant: Thermodynamic Process Control, Llc. Indianapolis, IN 46227 (US)	(72) Inventors: JOHNSON, David, E. Indianapolis, IN 46227 (US) STEINMEYER, William, A. Indianapolis, IN 46217 (US) (74) Representative: Wood, Graham  Bailey Walsh & Co LLP 5 York Place, Leeds LS1 2SD Leeds LS1 2SD (GB)