(19)

(11)

EP 3 555 527 A1

(12)

(43) Date of publication: 23.10.2019 Bulletin 2019/43 (21) Application number: 18712329.4 (22) Date of filing: 02.03.2018

(51) International Patent Classification (IPC):  F23N 1/02(2006.01) (86) International application number: PCT/US2018/020617 (87) International publication number: WO 2019/168542 (06.09.2019 Gazette 2019/36)

(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 RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Praxair Technology, Inc. Danbury, CT 06810 (US)	(72) Inventor: The designation of the inventor has not yet been filed  () (74) Representative: Schwan Schorer & Partner mbB  Patentanwälte Bauerstrasse 22 80796 München 80796 München (DE)