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(11)

EP 3 423 759 A1

(12)

(43) Date of publication: 09.01.2019 Bulletin 2019/02 (21) Application number: 17707879.7 (22) Date of filing: 01.03.2017

(51) International Patent Classification (IPC):  F24H 1/26(2006.01) F24H 9/00(2006.01) F24H 8/00(2006.01) (86) International application number: PCT/EP2017/054694 (87) International publication number: WO 2017/148974 (08.09.2017 Gazette 2017/36)

(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: MA MD (30) Priority: 03.03.2016 EP 16158356 (71) Applicant: Bekaert Combustion Technology B.V. 9403 AR Assen (NL)	(72) Inventors: HOLTROP, Daniel 9405 HA Assen (NL) TEN HOEVE, Dirk 7961 LD Ruinerwold (NL) FOLKERS, Geert 7695 SB Bruchterveld (NL) TEERLING, Omke Jan 8084 PG 't Harde (NL) (74) Representative: Vangheluwe, Lieven Germain L.  NV Bekaert SA IPD - PC6030 Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)