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Patent Searching and Data


Title:
AIR CONDITIONER AND METHOD FOR OPERATING SAME
Document Type and Number:
WIPO Patent Application WO/2013/058483
Kind Code:
A1
Abstract:
The air conditioner according to the present invention comprises: an indoor unit having an indoor heat-exchanger in which a refrigerant undergoes heat exchange with indoor air and evaporates or condenses; an outdoor unit having a variable-capacity compression unit for taking in the refrigerant in a refrigerant intake flow-channel, compressing the refrigerant, and then discharging the refrigerant via a discharge flow-channel, a water-refrigerant heat exchanger in which the refrigerant undergoes heat exchange with heat source water, and condenses or evaporates, and an outdoor expansion apparatus which is provided between the indoor heat-exchanger and the water-refrigerant heat exchanger; a heat source water flow-channel which is connected to the water-refrigerant heat exchanger; a pump which is provided in the heat source water flow-channel; and a variable-flow valve which is provided in the heat source water flow-channel and can be adjusted so as to be open to varying degrees. During air conditioning, the degree to which the variable-flow valve is open is varied according to the pressure in the refrigerant discharge flow-channel, and during heating, the degree to which the valve is open is varied according to the pressure in the refrigerant intake flow-channel, thus the air conditioner can be operated with an optimized refrigerant cycle, and has the benefit of improving the reliability of the outdoor unit.

Inventors:
CHO CHANG HWAN (KR)
CHOI HONG SEOK (KR)
KANG SUN YOUNG (KR)
HWANG JUN HYEON (KR)
Application Number:
PCT/KR2012/007776
Publication Date:
April 25, 2013
Filing Date:
September 26, 2012
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
F24F11/02; F25B41/06
Foreign References:
KR20100015104A2010-02-12
JP2009264715A2009-11-12
KR20100046694A2010-05-07
US20030159456A12003-08-28
Attorney, Agent or Firm:
PARK, BYUNG CHANG (KR)
박병창 (KR)
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Claims: