(19)

(11)

EP 2 038 582 A2

(12)

(88) Date of publication A3: 11.12.2008 (43) Date of publication: 25.03.2009 Bulletin 2009/13 (21) Application number: 07795376.8 (22) Date of filing: 25.05.2007

(51) International Patent Classification (IPC):  F23D 21/00(2006.01) (86) International application number: PCT/US2007/012533 (87) International publication number: WO 2007/145798 (21.12.2007 Gazette 2007/51)

(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 Designated Extension States: AL BA HR MK RS (30) Priority: 05.06.2006 US 446738 (71) Applicant: Linde, Inc. Murray Hill, NJ 07974 (US)	(72) Inventor: SIMPSON, Neil, George Edinburgh, Scotland EH4 5NG (GB) (74) Representative: Wickham, Michael  The Linde Group Intellectual Property Department The Priestley Centre 10 Priestley Road The Surrey Research Park Guildford Surrey GU2 7XY The Surrey Research Park Guildford Surrey GU2 7XY (GB)