Abstract: An electronic device including a touch-enabled display module configured to display a plurality of windows according to a multi-window mode; and a control module configured to displaying on the touch screen a first application window and a second application window according to the multi-window mode, alter the first application window in response to a touchscreen input received via the touch-enabled display, and automatically alter the second application window in response to the alteration of the first application window.

Abstract: The present invention relates to an air conditioner in which oils mixed in the refrigerant compressed by a plurality of compressors are separated together and recovered in an efficient manner. An air conditioner according to an embodiment of the present invention comprises: a plurality of compressors for compressing refrigerant; an oil separator connected to the plurality of compressors so as to separate oils mixed with the refrigerant compressed by the plurality of compressors; an oil discharge pipe connected to the oil separator so as to discharge the oils separated by the oil separator, and a plurality of oil recovery pipes branched from the oil discharge pipe so as to recover the oils separated by the oil separator to the plurality of compressors.

Abstract: An air conditioner includes at least one compressor, an outlet pipe, an inlet pipe, and at least one bypass pipe. Oil and/or refrigerant discharged from the at least one compressor flows through the outlet pipe. The inlet pipe receives the oil and/or refrigerant flown through the outlet pipe and allows the oil and/or refrigerant to flow to the at least one compressor. The at least one bypass pipe is connected to the at least one compressor and allow bypass flows of the oil and/or refrigerant from the at least one compressor to the outlet pipe.

Abstract: An air conditioner is provided. The air conditioner includes: an outdoor heat exchange unit in which a plurality of refrigerant tubes are disposed to be separated in a plurality of columns in a vertical direction to exchange heat of outdoor air and a refrigerant; a first refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of an upper part among the plurality of refrigerant tubes; a second refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of a lower part among the plurality of refrigerant tubes; and a communication pipe for communicating one of the branch pipes of the first refrigerant distribution device and one of the branch pipes of the second refrigerant distribution device.

Abstract: An air conditioner includes a plurality of compressors, a plurality of oil separators, a plurality of oil collection pipes, a common inlet pipe, and a plurality of branch inlet pipes. The oil separators are connected to outlets of the compressors for separating a refrigerant and/or oil discharged from the compressors. The oil collection pipes are respectively connected to the oil separators for collecting oil separated by the oil separators. The common inlet pipe receives the collected oil and allows the oil to flow to the compressors. The branch inlet pipes branch off from the common inlet pipe and are respectively connected to the compressors.

Abstract: Disclosed is an air conditioner which includes a plurality of compressors, a common inlet pipe through which fluid flows to the compressors, a plurality of inlet pipes branching off from the common inlet pipe which are connected to the compressors, a plurality of outlet pipes connected to the compressors through which refrigerant discharged from the compressors passes, and a plurality of bypass pipes connected to the compressors through which fluid discharged from the compressors passes. The fluid which passes through the plurality of bypass pipes is distributed to the plurality of compressors through the common inlet pipe.

Abstract: An air conditioner is provided. The air conditioner includes: an outdoor heat exchange unit in which a plurality of refrigerant tubes are disposed to be separated in a plurality of columns in a vertical direction to exchange heat of outdoor air and a refrigerant; a first refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of an upper part among the plurality of refrigerant tubes; a second refrigerant distribution device having branch pipes connected to a plurality of refrigerant tubes, respectively, of a lower part among the plurality of refrigerant tubes; and a communication pipe for communicating one of the branch pipes of the first refrigerant distribution device and one of the branch pipes of the second refrigerant distribution device.

Abstract: A supercooling apparatus of a simultaneous cooling and heating type multiple air conditioner comprises a liquid pipe header connected to outdoor heat exchangers, a plurality of branch liquid pipes branched from the liquid pipe header and connected to a plurality of indoor heat exchangers, respectively, and a supercooling mechanism mounted at least one of the branch liquid pipes for cooling refrigerant flowing to the indoor heat exchangers. The liquid refrigerant discharged from the heating-side indoor heat exchangers is supercooled by supercooling heat exchangers, and is then introduced into the cooling-side indoor heat exchangers. Consequently, noise generated from the cooling-side heat exchangers during the simultaneous cooling and heating operation is reduced, and cooling capacity of the multi air conditioner is improved.

Abstract: A multi type air-conditioner is provided. The multi type air conditioner includes an outdoor unit having a plurality of outdoor heat exchangers that heat-exchanges with outdoor air and a compressor that compresses a refrigerant; a plurality of indoor units that performs either cooling or heating; a high pressure pipe connected between a discharge side of the compressor and the plurality of indoor units; a low pressure pipe connected between a suction side of the compressor and the plurality of indoor units; and a refrigerant exhauster provided between the high pressure pipe and the low pressure pipe. The refrigerant exhauster discharges a liquid refrigerant to the low pressure pipe when the liquid refrigerant is accumulated in the high pressure pipe, whereby degradation of cooling capability due to a lack of refrigerant may be prevented by minimizing accumulation of the liquid refrigerant in the high pressure pipe in a cooling operation mode.

Abstract: An apparatus for summing capacities of outdoor units in a multiple air conditioner comprises self-capacity storage devices mounted in outdoor units, respectively, for storing self-capacities of the outdoor units and outputting the self-capacities of the outdoor units when necessary, an outdoor unit capacity summing part mounted in one outdoor unit of the outdoor units for receiving the capacities of the outdoor units outputted from the respective self-capacity storage devices to calculate the total capacity of all the outdoor units, and a control device for receiving the result of the calculation performed by the outdoor unit capacity summing part to control the operation of the multiple air conditioner. The possibility of incorrect input of the capacities of the outdoor units is eliminated, and therefore, more accurate control of the multiple air conditioner is accomplished.

Abstract: A multi-unit air conditioner and a method for controlling the same are disclosed which are capable of preventing continuous introduction of a refrigerant into indoor units in an OFF state where the indoor units can be independently powered on or off, thereby preventing a degradation in the cooling and heating efficiencies. The air conditioner includes a plurality of indoor units each including a power controller adapted to independently power on or off an associated one of the indoor units, an outdoor unit connected with the indoor units, the outdoor unit including a microcomputer for controlling an operation of the outdoor unit, and enabling the outdoor unit to communicate with the indoor units, and a controller for determining whether each of the indoor units is in a normal operation state or in a non-operation state, and controlling an operation of a distributor in accordance with the result of the determination.

Abstract: An air conditioner includes at least one compressor, an outlet pipe, an inlet pipe, and at least one bypass pipe. Oil and/or refrigerant discharged from the at least one compressor flows through the outlet pipe. The inlet pipe receives the oil and/or refrigerant flown through the outlet pipe and allows the oil and/or refrigerant to flow to the at least one compressor. The at least one bypass pipe is connected to the at least one compressor and allow bypass flows of the oil and/or refrigerant from the at least one compressor to the outlet pipe.

Abstract: Disclosed is an air conditioner which includes a plurality of compressors, a common inlet pipe through which fluid flows to the compressors, a plurality of inlet pipes branching off from the common inlet pipe which are connected to the compressors, a plurality of outlet pipes connected to the compressors through which refrigerant discharged from the compressors passes, and a plurality of bypass pipes connected to the compressors through which fluid discharged from the compressors passes. The fluid which passes through the plurality of bypass pipes is distributed to the plurality of compressors through the common inlet pipe.

Abstract: An air conditioner includes a plurality of compressors, a plurality of oil separators, a plurality of oil collection pipes, a common inlet pipe, and a plurality of branch inlet pipes. The oil separators are connected to outlets of the compressors for separating a refrigerant and/or oil discharged from the compressors. The oil collection pipes are respectively connected to the oil separators for collecting oil separated by the oil separators. The common inlet pipe receives the collected oil and allows the oil to flow to the compressors. The branch inlet pipes branch off from the common inlet pipe and are respectively connected to the compressors.

Abstract: An air conditioner including a plurality of compressors uses at least one oil separator for separating oil from an oil-mixed refrigerant discharged from the compressors. The air conditioner performs an oil balancing operation, during which some compressors operate and some do not. At least a portion of the oil separated by the oil separator is distributed to the compressors that are not operating during the oil balancing operation.

Abstract: A refrigerant bypassing and filtering apparatus of an air conditioner is disclosed which is capable of effectively removing foreign matter such as slag produced in a refrigerant line, not only when the air conditioner is initially operated, but also during normal operation of the air conditioner. The apparatus includes at least one bypass line adapted to guide a refrigerant to bypass a main line through which the refrigerant flows between an outdoor unit and an indoor unit, a strainer arranged at the bypass line, a first valve arranged at the main line between opposite ends of the bypass line connected to the main line, and second valves arranged at the bypass line.

Abstract: A multi type air-conditioner comprises: an outdoor unit having outdoor heat exchangers heat-exchanged with outdoor air and a compressor for compressing a refrigerant; indoor units for performing either cooling or heating; a high pressure pipe connected between a discharge side of the compressor and the indoor units; a low pressure pipe connected between a suction side of the compressor and the indoor units; and a refrigerant exhauster provided between the high pressure pipe and the low pressure pipe, for discharging a liquid refrigerant to the low pressure pipe when the liquid refrigerant is accumulated in the high pressure pipe, whereby degradation of cooling capability due to a lack of refrigerant can be prevented by minimizing accumulation of the liquid refrigerant in the high pressure pipe in a cooling operation mode.

Abstract: A multi-air conditioner capable of simultaneous cooling and heating, includes: a first duct connected to a discharge side of a compressor, through which a refrigerant discharged from the compressor passes at the time of cooling operation; a second duct diverged from the first duct, through which a refrigerant discharged from the compressor passes at the time of heating operation; and an oil accumulation preventing portion formed at a certain section of the second duct to have a height difference, for preventing oil, which is introduced to the second duct from the compressor together with a refrigerant, from being accumulated in the second duct. Accordingly, the multi-air conditioner capable of simultaneous cooling and heating can prevent damage to the compressor due to a shortage of oil and thusly improve reliability of a compressor by preventing oil accumulation within a duct.

Abstract: An apparatus for testing an air conditioner is disclosed. The apparatus includes a first wireless device connected to the air conditioner, and a second wireless device connected to a test terminal. The first wireless device transmits and receives test result information and test-related information based on a testing program installed in the test terminal in a local-area wireless communication manner, and the second wireless device transmits and receives the test-related information and test result information based on the testing program in the local-area wireless communication manner. Therefore, local-area wireless communication can be carried out between the air conditioner and the test terminal, thereby making it possible to significantly save trouble for installation of testing instruments, such as cables and a converter, and to significantly curtail costs and manpower for test work.