Heating/cooling system used in air conditioner

(19)

(11)

EP 1 371 920 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	25.05.2005 Bulletin 2005/21

(43)	Date of publication A2:
	17.12.2003 Bulletin 2003/51

(21)	Application number: 03251159.4

(22)	Date of filing: 26.02.2003

(51)	International Patent Classification (IPC)⁷: F25B 13/00, F25B 41/00

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
	Designated Extension States:
	AL LT LV MK RO

(30)

Priority:

12.06.2002 KR 2002032916

(71)	Applicant: LG ELECTRONICS INC.
	Seoul (KR)

(72)	Inventor:
	Oh, Kwon II Sungdong-gu Seoul (KR)

(74)	Representative: Hale, Peter et al
	Kilburn & Strode 20 Red Lion Street London WC1R 4PJ London WC1R 4PJ (GB)

(54)	Heating/cooling system used in air conditioner

(57) A cooling/heating system used in an air conditioner comprises a silencer (30) comprising at least one body (31) coupled in series to a refrigerant pipe which is coupled to an expansion device (21) of an indoor unit (20), and a spatial comparting member (32) provided in such a way that an inner space of the body (31) is comparted across a flowing direction of a refrigerant, the spatial comparting member (32) being perforated with a refrigerant passing hole (32c), through which the refrigerant flows. The silencer (30) further comprises a screen (33) formed of a mesh type, and positioned in an inside of the body (31) such that the refrigerant flows through the screen (33).

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