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(11)

EP 3 426 980 A1

(12)

(43) Date of publication: 16.01.2019 Bulletin 2019/03 (21) Application number: 17764215.4 (22) Date of filing: 10.03.2017

(51) International Patent Classification (IPC):  F23D 14/14(2006.01) F24C 3/04(2006.01) F23D 14/16(2006.01) F24C 3/06(2006.01) (86) International application number: PCT/US2017/021879 (87) International publication number: WO 2017/156440 (14.09.2017 Gazette 2017/37)

(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: MA MD (30) Priority: 10.03.2016 US 201662306214 P (71) Applicant: Selas Heat Technology Company LLC Streetsboro, OH 44241 (US)	(72) Inventors: VANDEGRIFT, Chris, E. Milford OH 45150 (US) CORNELIUS, Mitchell, D. Cuyahoga Falls OH 44221 (US) MEYER, Jens-Uwe Titusville FL 32796 (US) O'NEAL, Timothy, M. Streetsboro OH 44241 (US) (74) Representative: Potter Clarkson LLP  The Belgrave Centre Talbot Street Nottingham NG1 5GG Nottingham NG1 5GG (GB)