(19)
(11) EP 4 469 742 A1

(12)

(43) Date of publication:
04.12.2024 Bulletin 2024/49

(21) Application number: 23702435.1

(22) Date of filing: 27.01.2023
(51) International Patent Classification (IPC): 
F28D 1/06(2006.01)
F28F 1/02(2006.01)
F28F 21/08(2006.01)
 F28D 20/00(2006.01)
F28F 1/16(2006.01)
(52) Cooperative Patent Classification (CPC):
F28D 1/06; F28F 1/02; F28F 1/022; F28F 1/16; F28F 21/082; F28F 21/084; F28F 2255/16; F28D 20/0034
(86) International application number:
PCT/EP2023/052025
(87) International publication number:
WO 2023/144315 (03.08.2023 Gazette 2023/31)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
KH MA MD TN

(30) Priority: 28.01.2022 NO 20220143

(71) Applicant: Hydro Extruded Solutions AS
0240 Oslo (NO)

(72) Inventors:
  • JESSEN, Ulrik
    6500 Vojens (DK)
  • VESTERGAARD, Bjørn
    6200 Aabenraa (DK)
  • RYBASCH, Günter Kurt
    6500 Vojens (DK)

(74) Representative: Hydro IPD 
Norsk Hydro ASA Intellectual Property P.O. Box 980 Skøyen
0240 Oslo
0240 Oslo (NO)

   


(54) A CONDENSER TUBE, A METHOD FOR HEAT TRANSFER AND AN APPARATUS FOR HEAT EXCHANGE