(19)

(11)

EP 3 803 249 A1

(12)

(43) Date of publication: 14.04.2021 Bulletin 2021/15 (21) Application number: 19733217.4 (22) Date of filing: 17.05.2019

(51) International Patent Classification (IPC):  F28F 1/42(2006.01) F28D 15/02(2006.01) (86) International application number: PCT/US2019/032952 (87) International publication number: WO 2019/236270 (12.12.2019 Gazette 2019/50)

(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: KH MA MD TN (30) Priority: 04.06.2018 US 201815997591 (71) Applicant: Saudi Arabian Oil Company Dhahran 31311 (SA)	(72) Inventor: AL HENNAWI, Qais Mohammad Al Khobar, 34434 (SA) (74) Representative: Fish & Richardson P.C.  Highlight Business Towers Mies-van-der-Rohe-Straße 8 80807 München 80807 München (DE)