(19)
(11) EP 2 141 430 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
13.04.2011 Bulletin 2011/15

(43) Date of publication A2:
06.01.2010 Bulletin 2010/01

(21) Application number: 09164420.3

(22) Date of filing: 02.07.2009
(51) International Patent Classification (IPC): 
F28D 1/047(2006.01)
F28F 13/08(2006.01)
 F28F 1/32(2006.01)
(84) Designated Contracting States:
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 SE SI SK SM TR
Designated Extension States:
AL BA RS

(30) Priority: 04.07.2008 KR 20080065059

(71) Applicant: LG Electronics Inc.
Seoul 150-721 (KR)

(72) Inventors:
  • Lee, Sang Yeul
    153-802 Seoul (KR)
  • Lee, Han Choon
    153-802 Seoul (KR)
  • Kim, Dong Hwi
    153-802 Seoul (KR)
  • Kim, Ju Hyok
    153-802 Seoul (KR)
  • Kim, Hong Seong
    153-802 Seoul (KR)
  • Sa, Yong Cheol
    153-802 Seoul (KR)

(74) Representative: Vossius & Partner 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) Heat exchanger


(57) A heat exchanger is provided. The heat exchanger includes at least one fin provided with a plurality of slits and a plurality of refrigerant tubes penetrating the fin. The refrigerant tubes include at least one front line tube and at least one rear line tube having a different diameter from the front line tube with reference to a fluid flow direction. The slits include at least one front line slit and at least one rear line slit having a difference width with reference to the fluid flow direction (Fig. 1).







Search report