(19)
(11) EP 2 587 177 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.12.2017 Bulletin 2017/49

(43) Date of publication A2:
01.05.2013 Bulletin 2013/18

(21) Application number: 12161716.1

(22) Date of filing: 28.03.2012
(51) International Patent Classification (IPC): 
F25B 1/10(2006.01)
F24F 11/06(2006.01)
F25B 13/00(2006.01)
 F25B 49/02(2006.01)
F24F 1/30(2011.01)
(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: 27.10.2011 KR 20110110386

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

(72) Inventor:
  • Lee, Jaewan
    153-802 Seoul (KR)

(74) Representative: Vossius & Partner Patentanwälte Rechtsanwälte mbB 
Siebertstrasse 3
81675 München
81675 München (DE)

   


(54) Air conditioner


(57) Provided is an air conditioner. The air conditioner includes an indoor unit and an outdoor unit. The outdoor unit includes a compressor, an outdoor heat exchanger, a supercooling unit for supercooling a refrigerant, a first refrigerant pipe allowing the supercooling unit to communicate with a suction side of the compressor, a first valve disposed in the first refrigerant pipe, a second refrigerant pipe connecting the compressor to the first refrigerant pipe, and a second valve disposed in the second refrigerant pipe. In a first refrigerant flow mode, a refrigerant flowing into the supercooling unit is introduced into the compressor through the second refrigerant pipe. In a second refrigerant flow mode, a refrigerant compressed by the compressor is discharged into the second refrigerant pipe.







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