Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner includes a housing provided with a suction port and a discharge port elongated in one direction on the lateral side of the suction port, a main flow path configured to connect the suction port to the discharge port, a main fan provided in the main flow path to suck air via the suction port and to discharge the air via the discharge port, an auxiliary fan configured to suck the air around the discharge port to regulate the direction of the air which is discharged via the discharge port and an auxiliary flow path configured to guide the air sucked by the auxiliary fan. According to the air conditioner, it is possible to control the direction of the discharge airflow without a blade structure, increase the discharge amount, reduce the flow noise, and differentiate the design.

Abstract: An air cleaner, which allows air to flow smoothly, has increased strength, and reduces noise generated when a blower fan rotates. The air cleaner includes a main body including an inlet and an outlet, a blower fan provided inside of the main body, and configured to induce air from outside of the main body to be suctioned into the inlet and to be discharged to the outlet, a motor configured to drive the blower fan, and a fan guard to which the motor is fixed, and configured to guide air suctioned into the inlet to the blower fan, where the fan guard is provided to include a plurality of bent cross sections arranged in a radial direction at different distances from the motor.

Abstract: An indoor unit of an air conditioner has an improved discharge structure of air. The indoor unit of an air conditioner includes a panel which defines an external appearance thereof and has an opening, a mixed flow fan which is located within the panel, a heat exchanger unit which is located rearward of the mixed flow fan, an inlet port which is located rearward of the heat exchanger unit so that air is suctioned from rearward of the heat exchanger unit to be introduced into the mixed flow fan, an outlet port which is exposed forward of the panel through the opening so that the air passing though the mixed flow fan is discharged through a front portion of the panel, and a plurality of circular louvers to open and close the outlet port by moving outwards from a center of the outlet port.

Abstract: An air conditioner includes a housing comprising an external panel defining an external appearance and having an opening formed at the external panel; a heat exchanger configured to exchange heat with air flowing into the housing; and an air discharge unit configured to discharge air heat-exchanged by the heat exchanger out of the housing. The air discharge unit includes a first discharge unit connected to the opening and discharging air; and a second discharge unit provided at the external panel and discharging air. A method of blowing heat-exchanged air may be changed in accordance with an environment of a user.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An air conditioner includes a housing having a suction port and a discharge port, a main fan configured to draw air into the housing through the suction port and discharge air from the housing through the discharge port, an auxiliary fan configured to draw, into the housing, air discharged by the main fan and a controller configured to control a rotational speed of the auxiliary fan to change a direction in which air is discharged from the housing.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: An indoor unit of an air conditioner having improved structures of suction, discharge and/or flow passages which may increase operation efficiency, reduce noises and realize a compact size. The indoor unit includes a housing comprising a front panel and a rear panel coupled to a rear portion of the front panel, at least one discharge outlet exposed to a front of the front panel, at least one suction inlet formed in the rear panel at a position corresponding to the discharge outlet, at least one heat exchanger disposed at a front portion of the suction inlet to absorb heat from air introduced through the suction inlet or transfer heat to the air introduced through the suction inlet, and at least one diagonal flow fan disposed between the heat exchanger and the discharge outlet to suction air passing through the heat exchanger and discharge the air through the discharge outlet.

Abstract: An air conditioner includes a housing comprising an external panel defining an external appearance and having an opening formed at the external panel; a heat exchanger configured to exchange heat with air flowing into the housing; and an air discharge unit configured to discharge air heat-exchanged by the heat exchanger out of the housing. The air discharge unit includes a first discharge unit connected to the opening and discharging air; and a second discharge unit provided at the external panel and discharging air. A method of blowing heat-exchanged air may be changed in accordance with an environment of a user.

Abstract: A particle sensing device and an air conditioner including a sensor has a sensing path through which air passes, a flow path housing which accommodates the sensor and guides air, and a flow path switching device to all air suctioned from the outside is guided to the sensing path, or some of the air suctioned from the outside and moving flows back in an obliquely upward direction and flows into the sensing path.

Abstract: An air conditioner (AC) indoor unit includes a housing having an inlet and an outlet; a heat exchanger arranged inside the housing; a blower fan for sucking in air at the inlet to be subject to heat exchange with the heat exchanger, and discharging the heat-exchanged air out of the outlet; and an air flow control device for controlling an air flow discharged from the outlet by sucking in air around the outlet. The AC indoor unit may control the direction of a discharged air flow without a conventional blade structure, thereby increasing an amount of discharged air, reducing circulation noise, and enabling design differentiation.

Abstract: Disclosed is an air cleaner having independent fluid paths and a home appliance having the air cleaner. The air cleaner includes a front panel having a plurality of air inlets formed thereon for air to flow in from outside of the case, first and second blower devices arranged inside the case to allow air to flow in through the plurality of air inlets, first and second filter units arranged to filter the air flowing in by the first and second blower devices, a first outlet located on the case to release the air, a second outlet formed at a different location from that of the first outlet, a first fluid path formed between one of the plurality of air inlets and the first outlet; and a second fluid path formed between another of the plurality of air inlets and the second outlet.

Abstract: An air cleaner, which allows air to flow smoothly, has increased strength, and reduces noise generated when a blower fan rotates. The air cleaner includes a main body including an inlet and an outlet, a blower fan provided inside of the main body, and configured to induce air from outside of the main body to be suctioned into the inlet and to be discharged to the outlet, a motor configured to drive the blower fan, and a fan guard to which the motor is fixed, and configured to guide air suctioned into the inlet to the blower fan, where the fan guard is provided to include a plurality of bent cross sections arranged in a radial direction at different distances from the motor.

Abstract: Disclosed is a plurality of guide blades configured to guide air discharged through a discharge port, and an air conditioner having the same. The guide blade includes an eddy induction groove that is concaved from at least one surface of the guide blade, and a plurality of protrusions each protruding from an inner surface of the eddy induction groove in the form of a polypyramid, to generate eddy currents of various directions, so that the guide blade may cope with air flow of various flow speeds and wind directions.

Abstract: An indoor unit of an air conditioner has an improved discharge structure of air. The indoor unit of an air conditioner includes a panel which defines an external appearance thereof and has an opening, a mixed flow fan which is located within the panel, a heat exchanger unit which is located rearward of the mixed flow fan, an inlet port which is located rearward of the heat exchanger unit so that air is suctioned from rearward of the heat exchanger unit to be introduced into the mixed flow fan, an outlet port which is exposed forward of the panel through the opening so that the air passing though the mixed flow fan is discharged through a front portion of the panel, and a plurality of circular louvers to open and close the outlet port by moving outwards from a center of the outlet port.

Abstract: An indoor unit of an air conditioner having improved structures of suction, discharge and/or flow passages which may increase operation efficiency, reduce noises and realize a compact size. The indoor unit includes a housing comprising a front panel and a rear panel coupled to a rear portion of the front panel, at least one discharge outlet exposed to a front of the front panel, at least one suction inlet formed in the rear panel at a position corresponding to the discharge outlet, at least one heat exchanger disposed at a front portion of the suction inlet to absorb heat from air introduced through the suction inlet or transfer heat to the air introduced through the suction inlet, and at least one diagonal flow fan disposed between the heat exchanger and the discharge outlet to suction air passing through the heat exchanger and discharge the air through the discharge outlet.