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(11)

EP 2 622 298 A1

(12)

(43) Date of publication: 07.08.2013 Bulletin 2013/32 (21) Application number: 10763557.5 (22) Date of filing: 29.09.2010

(51) International Patent Classification (IPC):  F28D 9/00(2006.01) F28F 3/02(2006.01) (86) International application number: PCT/US2010/050685 (87) International publication number: WO 2012/044288 (05.04.2012 Gazette 2012/14)

(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 SE SI SK SM TR (71) Applicant: Air Products and Chemicals, Inc. Allentown, PA 18195 (US)	(72) Inventors: SUNDER, Swaminathan Allentown, PA 18195 (US) GERSHTEIN, Vladimir, Yliy Allentown, PA 18195 (US) MESKI, George, A. Allentown, PA 18195 (US) HOUGHTON, Patrick, A. Allentown, PA 18195 (US) (74) Representative: Stones, James Alexander  Beck Greener Fulwood House 12 Fulwood Place London WC1V 6HR London WC1V 6HR (GB)