(19)

(11)

EP 3 090 210 A1

(12)

(43) Date of publication: 09.11.2016 Bulletin 2016/45 (21) Application number: 14877294.0 (22) Date of filing: 31.12.2014

(51) International Patent Classification (IPC):  F23N 1/00(2006.01) F23D 14/26(2006.01) F23R 3/28(2006.01) (86) International application number: PCT/US2014/073086 (87) International publication number: WO 2015/103436 (09.07.2015 Gazette 2015/27)

(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 (30) Priority: 31.12.2013 US 201361922430 P (71) Applicant: Clearsign Combustion Corporation Seattle, WA 98168 (US)	(72) Inventors: COLANNINO, Joseph Bellevue, Washington 98008 (US) DANSIE, James K Seattle, Washington 98116 (US) DUMAS, Jesse C. Seattle, Washington 98116 (US) (74) Representative: Trinks, Ole  Meissner, Bolte & Partner GbR Postfach 10 26 05 86016 Augsburg 86016 Augsburg (DE)