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Eun Jun Cho, Ji Young Jang, Yoon Jei Hwang, Won Jae Choi, Yun Ho Ryu: Defrosting method for air conditioner. LG Electronics, Birch Stewart Kolasch & Birch, November 3, 2005: US20050241324-A1

Provided is a defrosting method for an air conditioner capable of improving an efficiency of a heating mode by supplying the heating mode to a user as long as possible in a condition that a frost deposit is hardly generated. For this purpose, the defrosting method for the air conditioner comprises t ...


22
Yeong Seop Choe, Eun Jun Cho, Jae Won Lee, Baik Young Chung, Yun Ho Ryu: Airconditioning generation system capable of solving unbalanced phase and method for the same. LG Electronics, Birch Stewart Kolasch & Birch, July 6, 2006: US20060144064-A1

An airconditioning generation system capable of solving an unbalanced phase, and a method for solving the unbalanced phase are disclosed. The airconditioning generation system includes one or more indoor units (111, 112, 113, 121, 122, 131, 132, 133), one or more outdoor units (110, 120, 130), a gen ...


23
Eun Jun Cho, Yun Ho Ryu, Young Seob Choi, Baik Young Cheong, Jae Won Lee: Cogeneration system. LG Electronics, Birch Stewart Kolasch & Birch, February 23, 2006: US20060037344-A1

A cogeneration system including an engine, which drives a generator to generate electricity, a cooling/heating unit, which comprises at least one compressor, a four-way valve, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger, to establish a heat pump type refrigerant cycl ...


24
Eun Jun Cho, Yun Ho Ryu, Young Seob Choi, Baik Young Cheong, Jae Won Lee: Cogeneration system. LG Electronics, Birch Stewart Kolasch & Birch, February 23, 2006: US20060037346-A1

A cogeneration system including an engine, which drives a generator to generate electricity, a cooling/heating unit, which includes at least one compressor, a four-way valve, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger, to establish a heat pump type refrigerant cycle ...


25
Eun Jun Cho, Yun Ho Ryu, Young Seob Choi, Baik Young Cheong, Jae Won Lee: Cogeneration system. LG Electronics, Birch Stewart Kolasch & Birch, February 23, 2006: US20060037352-A1

A cogeneration system including an engine, which drives a generator to generate electricity, a cooling/heating unit, which comprises at least one compressor, a four-way valve, an outdoor heat exchanger, an expansion device, and an indoor heat exchanger, to establish a heat pump type refrigerant cycl ...


26
Eun Jun Cho, Yun Ho Ryu, Yoon Jei Hwang, Ji Young Jang: Indoor unit of air conditioner. LG Electronics, Birch Stewart Kolasch & Birch, February 23, 2006: US20060037354-A1

An indoor unit of an air conditioner, includes a blower fan disposed within a casing; and a heat exchanger for heat-exchanging between refrigerant and air flowing by the blower fan, said heat exchanger connected to a refrigerant inlet pipe for introducing refrigerant and a refrigerant outlet pipe fo ...


27
Eun Jun Cho: Air conditioner. LG Electronics, June 7, 2012: US20120137723-A1

The present invention relates to an air conditioner, more particularly, it returns the oil from the shell and tube type of evaporator or directs the returned oil from the oil separator of the compressor into the compressor to reuse. And, it comprises an oil recovery flow path passing a condenser so ...


28
Eun Jun Cho: AIR CONDITIONER. LG Electronics, July 12, 2012: US20120174615-A1

According to the present invention, an air conditioner comprises: a first circulation channel which drives a thermodynamic cycle while normally circulating a refrigerant; a second circulation channel which is branched from an outlet of a condenser of the first circulation channel to recover oil from ...


29
Eun Jun Cho: AIR CONDITIONER. LG Electronics, July 12, 2012: US20120174614-A1

According to the present invention, an air condition comprises: a first compressor and a second compressor which compress a refrigerant through multiple stages; a condenser which condenses the refrigerant compressed by the second compressor; a first flow channel through which a portion of the refrig ...