Heat Exchanger and Refrigeration Cycle Apparatus Having the Same

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EP 2 031 335 A3

(12)	EUROPEAN PATENT APPLICATION

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

(43)	Date of publication A2:
	04.03.2009 Bulletin 2009/10

(21)	Application number: 08163152.5

(22)	Date of filing: 28.08.2008

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International Patent Classification (IPC):

F28F 1/32^(2006.01)
F25B 39/00^(2006.01)
F28D 1/053^(2006.01)

F28F 13/08^(2006.01)
F28D 1/047^(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 MT NL NO PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA MK RS

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Priority:

31.08.2007 KR 20070088489

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

(72)	Inventors:
	Kim, Dong Hwi 153-023 Seoul (KR) Sa, Yong Cheol 153-023 Seoul (KR) Lee, Han Choon 153-023 Seoul (KR) Lee, Sang Yeul 153-023 Seoul (KR) Kim, Ju Hyok 153-023 Seoul (KR) Kim, Hong Seong 153-023 Seoul (KR)

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

(54)	Heat Exchanger and Refrigeration Cycle Apparatus Having the Same

(57) A heat exchanger including a plurality of first refrigerant tubes, and a plurality of second refrigerant tubes separated from the plurality of first refrigerant tubes in an air flow direction. Further, a diameter of a respective refrigerant tube of the plurality of first refrigerant tubes is smaller than a diameter of a respective refrigerant tube of the plurality of second refrigerant tubes.

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