(19)
(11) EP 2 354 728 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
24.04.2013 Bulletin 2013/17

(43) Date of publication A2:
10.08.2011 Bulletin 2011/32

(21) Application number: 10197204.0

(22) Date of filing: 28.12.2010
(51) International Patent Classification (IPC): 
F25B 49/02(2006.01)
 F25B 13/00(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: 08.02.2010 KR 20100011592

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

(72) Inventors:
  • Ha, Doyong
    153-802 SEOUL (KR)
  • Chung, Baikyoung
    153-802 SEOUL (KR)
  • Chang, Sedong
    153-802 SEOUL (KR)
  • Park, Junggyu
    153-802 SEOUL (KR)

(74) Representative: Cabinet Plasseraud 
52, rue de la Victoire
75440 Paris Cedex 09
75440 Paris Cedex 09 (FR)

   


(54) Refrigerant system


(57) Provided is a refrigerant system including a high-pressure bypass tube (45) guiding a refrigerant of a high-pressure tube (42) to flow into an indoor unit tube by bypassing a high-pressure valve (31). Thus, impact and noise that may be generated when an operation mode of an indoor unit (2) is switched to a heating mode may be minimized.







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