Abstract: An air purifier may include: a first body including a case having an inlet and an outlet, and a fan disposed inside the case; and a second body coupled to a top of the first body and including a central portion and an outer edge surrounding the central portion, wherein the second body includes: a lower body coupled to the first body; a cover disposed over the lower body; and an upper body disposed between the lower body and the cover, the upper body having a greater height at a portion thereof that corresponds to the outer edge than at a portion thereof that corresponds to the central portion, thereby allowing water, penetrating into the second body, to be collected.

Abstract: An air purifier includes a first body having an inlet formed in a circumferential surface and an outlet formed above the inlet; a fan rotatably disposed between the inlet and the outlet to form an air flow from the inlet to the outlet; a filter for removing foreign substances in air flowing into the inlet; and a second body disposed above the first body and guiding air discharged from the outlet radially outward. The second body includes: a lower cover fixedly disposed at the first body and extending radially outward in an upward direction from the outlet to guide the air discharged from the outlet; and a top cover detachably disposed above the lower cover and forming a flat surface. A protrusion is formed in a bottom surface of the lower cover and protruding downward.

Abstract: An air cleaner includes: a first body having an inlet and an outlet that is open at top; a filter disposed inside the first body and facing the inlet; a blower fan disposed between the inlet and the outlet, inside the first body, to generate an air flow from the inlet to the outlet; a blower motor disposed inside the first body and configured to rotate the blower fan; and a second body spaced upward from the outlet and disposed over the first body, wherein the first body includes an outlet grille that is disposed on the outlet and has a plurality of vanes extending from an upper end of a circumferential wall of the first body toward a central portion of the first body, and the outlet grille is inclined upward toward the central portion of the first body from the circumferential wall of the first body.

Abstract: An air cleaner according to the present disclosure includes: a first body having an inlet and an outlet; a filter disposed inside the first body to face the inlet; a blower fan disposed inside the first body and configured to generate an air flow from the inlet to the outlet; a blower motor disposed inside the first body and configured to rotate the blower fan; and a second body disposed over the first body, wherein the second body comprises a button disposed at a lower surface of the second body.

Abstract: A thermo-hygrostat air conditioner is provided that may include at least one indoor unit installed indoors, and including a main coil that provides air that meets a predetermined humidity by dehumidifying outdoor air and a sub coil that cools or heats the dehumidified air at a predetermined temperature and provides the air indoors; and an outdoor unit connected to the main coil and the sub coil of the indoor unit via a refrigerant pipe and including at least one outdoor heat exchanger, at least one compressor, at least one outdoor expansion valve and at least one four way valve. A mode of the main coil and the sub coil may be determined depending on a cooling load and a heating load. The outdoor unit may control the four way valve according to the mode of the main coil and the sub coil and provide refrigerant to the main coil and the sub coil according to the mode.

Abstract: The present inventive concept relates to a gas supply device for a substrate processing device, and a substrate processing device, wherein the gas supply device comprises: a first gas supply part for supplying a first gas to a chamber which provides a process space for a substrate; a second gas supply part for supplying, to the chamber, a second gas having a vapor pressure that is greater than the first gas; a first carrier supply part for supplying a first carrier gas to the first gas supply part such that the flow force of the first gas increases; and a second carrier supply part for supplying a second carrier gas to the second gas supply part such that the flow force of the second gas increases.

Abstract: An outdoor device of an air conditioner is provided and may include a top cover that forms an upper surface of the outdoor device and provided with at least one discharge port through which air may be discharged, at least one fan provided under the top cover, and at least one shroud that accommodates the fan and that connects with the discharge port. A transverse width of the at least one shroud that passes through side surfaces of the at least one shroud and the at least one fan may be constant from an inlet port of the shroud to an outlet part. A cross sectional area of the outlet port may gradually increase toward the at least one discharge port.

Abstract: An outdoor device for an air conditioner is provided that may include a compressor, a flow switch provided at an outlet-side of the compressor to switch a flow direction of a refrigerant according to a cooling operation or a heating operation, and an outdoor heat exchanger connected to the flow switch.

Abstract: An air conditioner may have a structure in which a snowfall detection device is attached to a grill and a case, and an amount of snow accumulated on the grill is detected in a non-contact manner to control an operation of the air conditioner. The snowfall may be more stably and reliably detected, and also the air conditioner may more stably and reliably operated.

Abstract: An air conditioner and a method of controlling an air conditioner are provided. The method of controlling an air conditioner may include determining whether a low-load condition is satisfied on the basis of a number of indoor devices or a temperature of external air, performing a low-load operation of a compressor at a predetermined frequency when the low-load condition is satisfied, detecting whether an operation pressure is out of a target pressure value or range while the low-load operation is performed, and bypassing a refrigerant from the compressor to a gas/liquid separator via an injection passage when the operation pressure is out of the target pressure value or range.

Abstract: An air conditioner may include a plurality of indoor units and a plurality of outdoor units connected to the plurality of indoor units. Each of the plurality of outdoor units may include a plurality of outdoor heat exchangers. Each of the outdoor heat exchangers may include a plurality of heat exchanger parts. When a defrosting operation condition is satisfied during a heating operation, indicating that a defrosting operation should be performed the plurality of heat exchanger parts of the plurality of outdoor heat exchangers may successively perform the defrosting operation.

Abstract: An outdoor device for an air conditioner and a method for manufacturing a side supporter for an outdoor device for an air conditioner are provided. The outdoor device may include a top cover that forms an upper surface of the outdoor device and in which a plurality of discharge ports is formed, a base pan that forms a lower surface of the outdoor device, an outdoor heat exchanger that extends along a periphery of the base pan, a plurality of side supporters that connects the top cover and the base pan and forms corners of the outdoor device, and a plurality of outer panels provided between the plurality of side supporters and coupled to the plurality of side supporters to form a shape of an outer periphery of the outdoor device. A plurality of suction ports, through which outside air may be suctioned, may be formed in a region of the plurality of outdoor panels corresponding to the outdoor heat exchanger, including the plurality of side supporters.

Abstract: An outdoor device of an air conditioner is provided and may include a top cover that forms an upper surface of the outdoor device and provided with at least one discharge port through which air may be discharged, at least one fan provided under the top cover, and at least one shroud that accommodates the fan and that connects with the discharge port. A transverse width of the at least one shroud that passes through side surfaces of the at least one shroud and the at least one fan may be constant from an inlet port of the shroud to an outlet part. A cross sectional area of the outlet port may gradually increase toward the at least one discharge port.

Abstract: An outdoor device for an air conditioner is provided that may include a compressor, a flow switch provided at an outlet-side of the compressor to switch a flow direction of a refrigerant according to a cooling operation or a heating operation, and an outdoor heat exchanger connected to the flow switch.

Abstract: An outdoor device for an air conditioner is provided. The outdoor device may include a plurality of suction panels that defines a front surface, both side surfaces, and a rear surface of the outdoor device; a heat exchanger provided inside of the plurality of suction panels, and bent and extended along the four surfaces of the plurality of suction panels; and a base provided under the plurality of suction panels, that define two long sides corresponding to the front and rear surfaces and two short sides corresponding to the both side surfaces. The base may include a base body including a main body seat, on which a compressor may be supported; and an edge portion including an edge seat, which is provided along an outer side of the base body and on which the heat exchanger may be supported.

Abstract: An air conditioner may have a structure in which a snowfall detection device is attached to a grill and a case, and an amount of snow accumulated on the grill is detected in a non-contact manner to control an operation of the air conditioner. The snowfall may be more stably and reliably detected, and also the air conditioner may more stably and reliably operated.

Abstract: A multi type air conditioner may include an outdoor unit, a distributor connected to the outdoor unit, and a plurality of indoor units connected to the distributor. The distributor may include a plurality of pipe ports. Two or more of the indoor units may be connected to one or more of the pipe ports to form an indoor unit group. An operation mode of the two or more indoor units forming the indoor unit group may operate in a reference mode that corresponds to an operation mode of a main indoor unit or an appropriate pipe port.

Abstract: An air conditioner and a method of controlling an air conditioner are provided. The method of controlling an air conditioner may include determining whether a low-load condition is satisfied on the basis of a number of indoor devices or a temperature of external air, performing a low-load operation of a compressor at a predetermined frequency when the low-load condition is satisfied, detecting whether an operation pressure is out of a target pressure value or range while the low-load operation is performed, and bypassing a refrigerant from the compressor to a gas/liquid separator via an injection passage when the operation pressure is out of the target pressure value or range.

Abstract: An air conditioner may include a plurality of indoor units and a plurality of outdoor units connected to the plurality of indoor units. Each of the plurality of outdoor units may include a plurality of outdoor heat exchangers. Each of the outdoor heat exchangers may include a plurality of heat exchanger parts. When a defrosting operation condition is satisfied during a heating operation, indicating that a defrosting operation should be performed the plurality of heat exchanger parts of the plurality of outdoor heat exchangers may successively perform the defrosting operation.

Abstract: An air conditioner is provided that may include an indoor device and an outdoor device. The outdoor device may include at least one compressor, an outdoor heat exchanger, a supercooling device that supercools a refrigerant, a first refrigerant pipe that allows the supercooling device to communicate with a suction side of the compressor, a first valve disposed in or on the first refrigerant pipe, a second refrigerant pipe that connects the compressor to the first refrigerant pipe, and at least one second valve disposed in or on the second refrigerant pipe. In a first refrigerant flow mode, a refrigerant flowing into the supercooling device may be introduced into the at least one compressor through the second refrigerant pipe. In a second refrigerant flow mode, a refrigerant compressed by the at least one compressor may be discharged into the second refrigerant pipe.