Abstract: A control station which controls adjacent devices connected with the control station on wire or wirelessly. The control station gives an on/off command as well as an option required to execute the command. The control station communicates with a mobile device and determines the option by referring to user's state information delivered from the mobile device. The user's state information includes emotional state information and physical state information.

Abstract: This invention is related to an accessory or a set of accessories which is able to change design images. Further, this invention is related to an accessory which is able to change design images in synchronization with other accessory or device. An accessory according to this invention can show various design images, such that the accessory can selectively show a design image which are suitable for season, place, or clothes. And, by simple manipulation, user can easily set harmonized design images between accessories in hand.

Abstract: A laundry machine having a steam generator is disclosed. An embodiment of a laundry machine comprises a drum, a steam generator, and a controller. The steam generator may include a heat-variable heater. The heater may be operated in one setting among a plurality of heat settings.

Abstract: A heat treatment system includes a heat treatment apparatus as a component. An example of the heat treatment apparatus may be a metal heat treatment apparatus which thermally treats metal material in a chamber. In managing the temperature of a particular space for a long time, a remote control method is provided. The remote monitoring and managing of the temperature of the particular space with high reliability is provided.

Abstract: A laundry machine having a steam generator is disclosed. An embodiment of a laundry machine comprises a drum, a steam generator, and a controller. The steam generator may include a heat-variable heater. The heater may be operated in one setting among a plurality of heat settings.

Abstract: The invention relates to a reverse rotation preventing structure of a centrifugal compressor. The reverse rotation preventing structure of the centrifugal compressor comprises: a discharge pipeline of the centrifugal compressor; a suction pipeline of the centrifugal compressor; a bypass pipeline for connecting the discharge pipeline and the suction pipeline, wherein a predetermined valve is formed thereon; a control means for controlling an operation of the centrifugal compressor; and a detecting means for generating a predetermined signal to the control means if the operation of the centrifugal compressor is suddenly stopped, thereby opening the bypass pipeline.

Abstract: Disclosed is a scroll compressor enabling a significant height reduction to use a space of a system efficiently when the scroll compressor is applied to such systems as a refrigerator, an air conditioner, and the like. A compressor housing forms an exterior, a crankcase is fixed inside the compressor housing, a boss is formed at a central portion thereof to protrude downward, and a bearing hole is formed in a center thereof. A stator having a hollow shape is fixed to a lower side of the crankcase, and a rotor is provided to maintain a clearance between an outer circumferential surface of the stator and an inner circumferential surface thereof. A crankshaft is provided to pass through the bearing hole and is fixed to the rotor to revolve together with the rotor, wherein an eccentric pin is formed on an upper side thereof. A orbiting scroll is connected to the eccentric pin, and a fixed scroll fixed to an upper side of the crankcase to form a compression chamber together with the orbiting scroll.

Abstract: A system for cooling a turbo compressor includes two compressing parts on opposite ends of a rotational shaft driven by a motor. Fluid from a fluid chamber within the casing of the device is supplied to a bearing chamber when the temperature of the bearing chamber increases. A supply passage is formed in a first support where the radial bearing for supporting a load in the axial direction is formed. The open-and-shut valve supplies fluid when the temperature of the bearing chamber increases.

Abstract: Disclosed is a scroll compressor enabling a significant height reduction to use a space of a system efficiently when the scroll compressor is applied to such systems as a refrigerator, an air conditioner, and the like. A compressor housing forms an exterior, a crankcase is fixed inside the compressor housing, a boss is formed at a central portion thereof to protrude downward, and a bearing hole is formed in a center thereof. A stator having a hollow shape is fixed to a lower side of the crankcase, and a rotor is provided to maintain a clearance between an outer circumferential surface of the stator and an inner circumferential surface thereof. A crankshaft is provided to pass through the bearing hole and is fixed to the rotor to revolve together with the rotor, wherein an eccentric pin is formed on an upper side thereof. A orbiting scroll is connected to the eccentric pin, and a fixed scroll fixed to an upper side of the crankcase to form a compression chamber together with the orbiting scroll.

Abstract: A turbo compressor is provided which includes a motor having a stator with a rotor which rotates in the inside of the stator. A rotation shaft is press-fitted into the rotor and is integrally rotated with the rotor. A bearing is provided for supporting the rotation shaft of the motor. At least one impeller is attached to the rotation shaft of the motor and rotated therewith. A foil bearing including a plurality of foils is provided. First ends of the foils are respectively fitted into a multitude of engaging grooves defined on a circumferential inner surface of the stator, and second ends of the foils make contact with a circumferential outer surface of the rotor.

Abstract: A cooling system, which includes a compressor for compressing the refrigerant by operation of a motor, a condenser, an expansion means, and an evaporator, comprises a motor cooling device for cooling down the motor by making some of the refrigerant passed the condenser flow to the compressor according to temperature of the motor, and therefore the heat of high temperature generated from the motor in the compressor during the operation of the compressor which is used in the cooling system can be cooled down efficiently.

Abstract: The invention relates to a reverse rotation preventing structure of a centrifugal compressor. The reverse rotation preventing structure of the centrifugal compressor comprises: a discharge pipeline of the centrifugal compressor; a suction pipeline of the centrifugal compressor; a bypass pipeline for connecting the discharge pipeline and the suction pipeline, wherein a predetermined valve is formed thereon; a control means for controlling an operation of the centrifugal compressor; and a detecting means for generating a predetermined signal to the control means if the operation of the centrifugal compressor is suddenly stopped, thereby opening the bypass pipeline.

Abstract: A cooling system, which includes a compressor for compressing the refrigerant by operation of a motor, a condenser, an expansion means, and an evaporator, comprises a motor cooling device for cooling down the motor by making some of the refrigerant passed the condenser flow to the compressor according to temperature of the motor, and therefore the heat of high temperature generated from the motor in the compressor during the operation of the compressor which is used in the cooling system can be cooled down efficiently.

Abstract: A turbo compressor includes: a casing having a fluid chamber for receiving a fluid from an external source; a driving unit disposed in the casing and generating a rotational force; a first compressing part installed at one side of a rotational shaft rotated according to the driving of the driving unit and first compressing the fluid; a second compressing part installed at the other side of the rotational shaft and secondly compressing the fluid compressed in the first compressing part; and a bearing cooling unit for supplying a fluid of the fluid chamber to a bearing chamber to perform a cooling operation when a temperature of the bearing chamber where the thrust bearing for supporting a load working in an axial direction of the rotational shaft is mounted is increased, and cutting off the fluid from being introduced into the bearing chamber when the temperature of the bearing chamber is maintained at a proper level.

Abstract: A centrifugal compressor includes first and second impellers coupled to opposite ends of a drive shaft. Each impeller includes a hub with a plurality of blades on a front face. The blades compress a fluid, while forcing the fluid off an outer periphery of the hub. At least one of the impellers includes a plurality of uniformly shaped pressure attenuating grooves provided around its outer periphery. The pressure attenuating grooves reduce an axial load applied to the impeller, and act to balance the overall resultant axial load applied to the drive shaft by the two impellers, thereby reducing wear on thrust bearings engaging the rotating drive shaft.

Abstract: Disclosed is a turbo compressor. The turbo compressor comprising a motor having a stator with a rotor which rotates in the inside of the stator and a rotation shaft which is press-fitted into the rotor and integrally rotated with the rotor, a bearing means for supporting the rotation shaft of the motor, at least one impeller attached to the rotation shaft of the motor and rotated therewith and a foil bearing including a plurality of foils which one ends thereof are respectively fitted into a multitude of engaging grooves defied on a circumferential inner surface of the stator, and the other ends thereof make contact with a circumferential outer surface of the rotor.

Abstract: Disclosed is a centrifugal compressor structure including impellers, each of the impellers including a hub coupled to a drive shaft, a plurality of blades provided at a front surface of the hub and adapted to compress an external fluid while forcing the fluid to flow from an upstream end of the hub to a downstream end of the hub, and a plurality of uniformly-shaped pressure attenuating grooves provided at an outer peripheral edge of the hub and adapted to reduce an axial load applied to the impeller. The formation of the pressure attenuating grooves are carried out without any variation in the size and length of each blade serving as important factors for adjusting the fluid compression degree of the impeller, so that thrust bearings adapted to support an axial load are effectively protected, thereby eliminating problems resulting from the thrust bearings.