(19)
(11) EP 2 325 579 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
14.01.2015 Bulletin 2015/03

(43) Date of publication A2:
25.05.2011 Bulletin 2011/21

(21) Application number: 10251314.0

(22) Date of filing: 23.07.2010
(51) International Patent Classification (IPC): 
F25B 1/10(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 SE SI SK SM TR

(30) Priority: 20.11.2009 KR 20090112739

(71) Applicant: LG Electronics Inc.
Youngdungpo-ku Seoul (KR)

(72) Inventors:
  • Chin, Sim Won
    Changwon-si Kyungsangnam-do 641-110 (KR)
  • Jang, Yong Hee
    Changwon-si Kyungsangnam-do 641-110 (KR)
  • Kim, Bum Suk
    Changwon-si Kyungsangnam-do 641-110 (KR)
  • Ryu, Byoung Jin
    Changwon-si Kyungsangnam-do 641-110 (KR)

(74) Representative: Boult Wade Tennant 
Verulam Gardens 70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) Heat pump


(57) Disclosed is a heat pump including: a refrigeration cycle unit 1 that includes a compressor 10 for compressing a coolant, a first heat exchanger 14 for condensing the coolant compressed in the compressor, an expansion mechanism 16 for expanding the coolant condensed in the first heat exchanger, and a second heat exchanger 18 for evaporating the coolant expanded in the expansion mechanism 16; and a booster module 2 that is connected to the refrigeration cycle unit 1, wherein the booster module 2 separates a gaseous coolant from the coolant flowing from the first heat exchanger 14 to the expansion mechanism 16, compresses the separated gaseous coolant, and then has the compressed gaseous coolant flow between the compressor 10 and the first heat exchanger 14.





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