(19)

(11)

EP 3 303 933 A1

(12)

(43) Date of publication: 11.04.2018 Bulletin 2018/15 (21) Application number: 16750995.9 (22) Date of filing: 23.05.2016

(51) International Patent Classification (IPC):  F24C 15/20(2006.01) F23N 1/02(2006.01) (86) International application number: PCT/IB2016/000716 (87) International publication number: WO 2016/189379 (01.12.2016 Gazette 2016/48)

(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: 27.05.2015 IT UB20151068 (71) Applicant: Tre P Engineering S.r.l. 60033 Chiaravalle (AN) (IT)	(72) Inventors: USCI, Rosalino 60035 Jesi (AN) (IT) MARCANTONI, Michele 60020 Polverigi (AN) (IT) (74) Representative: Premru, Rok  c/o Mar.Bre S.r.l. Via San Filippo, 2 60044 Fabriano (AN) 60044 Fabriano (AN) (IT)