(19)
(11) EP 1 371 919 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: 03004169.3

(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 2002032915

(71) Applicant: LG ELECTRONICS INC.
Seoul 150-010 (KR)

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

(74) Representative: Schorr, Frank, Dr. et al
Diehl Glaeser Hiltl & Partner, Augustenstrasse 46
80333 München
80333 München (DE)

   


(54) Heating/cooling system used in air conditioner


(57) A cooling/heating system used in an air conditioner is disclosed. The cooling/heating system comprises at least one silencer (30) coupled in series to a refrigerant pipe which is coupled to an expansion device (21) of an indoor unit (20), for eliminating a local pressure difference of a refrigerant flowing therein and for making a mixed state of gas and liquid uniform. The silencer (30) comprises a body direct coupled to the refrigerant pipe for making the refrigerant flow through therein, and a porous tube provided in the body, with a buffer space being formed between an outer periphery thereof and an inner periphery of the body, the porous tube having a plurality of passing holes for communicating an interior thereof with the buffer space.






Search report