(19)
(11) EP 2 631 585 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
11.03.2015 Bulletin 2015/11

(43) Date of publication A2:
28.08.2013 Bulletin 2013/35

(21) Application number: 13000055.7

(22) Date of filing: 08.01.2013
(51) International Patent Classification (IPC): 
F28F 3/04(2006.01)
B21D 53/04(2006.01)
 F28D 9/00(2006.01)
(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

(30) Priority: 23.01.2012 DK 201200065

(71) Applicant: Danfoss A/S
6430 Nordborg (DK)

(72) Inventor:
  • Persson, Lars
    550014 Guizhou (CN)

   


(54) Heat exchanger, heat exchanger plate, and method for producing a heat exchanger


(57) A heat exchanger is provided comprising a plurality of pairs of heat exchanger plates (1a) formed of sheet metal having a three-dimensional structured pattern, a first flow path being defined within the plurality of said pairs and a second flow path being defined between said pairs, each plate (1a) having at least one through-opening.
It is intended to have a solid connection between adjacent heat exchanger plates (1a, 1b, 1c) in the area of the through-opening.
To this end said through-opening is surrounded by tongues (10, 12, 13) cut from the area of the through-opening and bend out, wherein the tongues (10, 12) of one plate (1a, 1b) are inserted into the through-opening of a neighbouring plate (1b, 1c).







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