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(11)

EP 3 426 986 A1

(12)

(43) Date of publication: 16.01.2019 Bulletin 2019/03 (21) Application number: 17707588.4 (22) Date of filing: 03.03.2017

(51) International Patent Classification (IPC):  F24H 1/32(2006.01) F24H 9/00(2006.01) (86) International application number: PCT/EP2017/055036 (87) International publication number: WO 2017/153280 (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: 09.03.2016 EP 16159385 (71) Applicant: Bekaert Combustion Technology B.V. 9403 AR Assen (NL)	(72) Inventors: GUPTA, Harshit 9718 KL Groningen (NL) WESTERS, Raymond 9663 RS Nieuwe Pekela (NL) TEERLING, Omke Jan 8084PG 't Harde (NL) (74) Representative: Vangheluwe, Lieven Germain L.  NV Bekaert SA IPD - PC6030 Bekaertstraat 2 8550 Zwevegem 8550 Zwevegem (BE)