Abstract: An evaporative cooled condenser unit employs a quiet motor/fan system that pulls air across an evaporative media pad, through a drift eliminator and delivers cool air to a condensing unit of an air conditioner thereby increasing the operating efficiency of the air conditioner. A condenser enclosure into which the cool air is delivered is adjustable for various sizes of condenser units and contains a plurality of barometric dampers to provide failsafe operation and provide for external air flow to the condenser during heat pump operation or when the auxiliary cooling module is disabled.

Abstract: A datacenter cooling apparatus includes a portable housing having lifting and transporting structures for moving the apparatus, opposed sides in the housing, at least one of the opposed sides defining one or more air passage openings arranged to capture warmed air from rack-mounted electronics, opposed ends in the housing, at least one of the opposed ends defining one or more air passage openings positioned to allow lateral passage of captured air into and out of the housing, and one or more cooling coils associated with the housing to receive and cool the captured warm air, and provide the cooled air for circulation into a datacenter workspace.

Abstract: A method of providing utilities to a computer data center is discussed. The method includes initially connecting one or more non-evaporative cooling units to a data center as primary cooling plants, obtaining a government-issued water permit, and after obtaining the government-issued water permit, transitioning primary cooling for the data center to one or more evaporative cooling towers.

Abstract: An apparatus provides a high efficiency for refrigerator operation. The inclusion of a separate external evaporator and condenser that draws heat away from the common refrigerator condenser allows an increase in the intensity of the cooling process of the cooling agent, thereby diminishing electrical consumption, and decreasing the size and noise of the condenser. This is achieved by structuring the refrigerator condenser with the one tube for the cooling agent of the common refrigerator and another volume for evaporating the cooling substance of the external evaporator and condenser. Moreover, external system of natural cooling has a condenser that is located in the open air and connected to the evaporator with the help of vapor lines and condensed vapor lines.

Abstract: A water recovery system for a cooling tower includes an intercooler having a first circuit portion and a second circuit portion. The first circuit portion is configured and disposed to receive a liquid desiccant and the second circuit portion is configured and disposed to receive coolant. A flash drum includes an inlet connected to the first circuit portion, a vapor outlet and a liquid desiccant outlet. A condenser is fluidly coupled to the vapor outlet of the flash drum. The condenser includes a condensate outlet. A cooling tower is fluidly connected to the liquid desiccant outlet of the flash drum and the condenser. The cooling tower includes a water stripper having a collector member, and a heat exchanger arranged below the water stripper. The collector member is configured to receive water laden liquid desiccant and the heat exchanger is configured and disposed to receive make-up water from the condenser.

Abstract: In a cooling system for an electronic device of the present invention, server rooms in which a plurality of servers are placed, an evaporator which is provided close to each of the servers, and cools exhaust air from the server by vaporizing a refrigerant with heat generating from the server, a cooling tower which is provided at a place higher than the evaporator, cools the refrigerant by outside air and water sprinkling, and condenses the vaporized refrigerant, and a circulation line in which the refrigerant naturally circulates between the evaporator and the cooling tower. According to the cooling system, an electronic device which is required to perform a precise operation with a heat generation amount from itself being large, such as a computer and a server, can be efficiently cooled at low running cost.

Abstract: A portable sprinkler system for an air conditioner cooling system includes a fluid source coupled to the sprinkler system, a plurality of spray nozzles fluidly connected by conduit, a step-down transformer, a solenoid, and an in-line filter connected in series, a protective cover enclosing the sprinkler system, and an electricity source providing electricity to the system. A plurality of shields are coupled to the housing of the air conditioner cooling system, the shields arranged to deflect air turbulence.

Abstract: A refrigeration appliance, such as a refrigerator, includes a compression stage, a condenser stage, and an evaporation stage. The condenser stage includes a first condenser and a water-cooled final condenser operatively configured between the first condenser and the evaporation stage. A water source is in communication with the final condenser, which operates to reduce refrigerant temperature entering the evaporation stage to ambient temperature or lower.

Abstract: A fan driven evaporator is one component for use in refrigeration applications such as an evaporative cooler which employs refrigeration. In one embodiment, a frosting evaporative cooler utilizes an evaporator in the shape of a squirrel cage blower that utilizes alternating and opposing flows of refrigerant in refrigerant tubing to allow for the dehumidifying and cooling of humid air without freezing over and losing air flow. A fan for use in coolers in humid conditions comprises a motor driving a centrifugal blower. At least two cooling coils that are parallel have cooling fins separating all the coils. The coils surround the blower wheel thereby matching the shape of the outside of the blower housing.

Abstract: A pre-cooling system for use with a condenser of an air conditioning system is provided. In one embodiment, the pre-cooling system comprises a housing that is coupleable to a top of a condenser of an air conditioner wherein the condenser has a substantially-vertical exhaust. The pre-cooling system further comprises a valve mounted in the housing that is coupleable to a water source and wherein the valve is capable of operating independent of electrical power. The pre-cooling system further comprises a vane that is coupled to the valve and positionable in the substantially-vertical exhaust, wherein the vane has an aerodynamically-shaped cross section useable to operate the valve. The present invention further provides a method of manufacturing the pre-cooling system.

Abstract: The purpose of Energy Mist Shield is to protect refrigeration condenser coils from getting moisture during evaporative misting process and to protect condenser coils from damaging with harmful mineral deposits contained in water and to ensure the cleaning requirements of condensers such as dirt, leaves and debris.

Abstract: A chiller is provided that may include a case; a vapor compression type cycle apparatus installed in the case and including first and second heat exchangers that heat-exchange with first and second heat transfer mediums, respectively, the vapor compression type cycle apparatus including a condenser that serves as the first heat exchanger, an evaporator that serves as the second heat exchanger, a compressor, and an expansion device disposed between the condenser and the evaporator, respectively; a blower configured to supply air to the first heat exchanger; and a liquid spray device configured to spray liquid onto the first heat exchanger.

Abstract: A compressor and a refrigerating machine which enable an easy disposal of a lubricant, are friendly to the natural environment, and have simple configurations, are provided. The compressor which is used in a refrigerating machine including an evaporator and a condenser and adapted for compressing refrigerant gas evaporated in the evaporator to convey the compressed refrigerant gas to the condenser, includes: a motor; a housing having a compression chamber inside; a rotary member which has a rotating shaft and is rotated by a driving force of the motor so as to compress water vapor serving as the refrigerant gas in the compression chamber; a bearing for supporting the rotating shaft of the rotary member in the housing; and a lubricant supplier for supplying water serving as a lubricant to the bearing.

Abstract: A mass and heat exchanger includes at least one first substrate with a surface for supporting a continuous flow of a liquid thereon that either absorbs, desorbs, evaporates or condenses one or more gaseous species from or to a surrounding gas; and at least one second substrate operatively associated with the first substrate. The second substrate includes a surface for supporting the continuous flow of the liquid thereon and is adapted to carry a heat exchange fluid therethrough, wherein heat transfer occurs between the liquid and the heat exchange fluid.

Abstract: To provide a refrigerating cycle apparatus capable of improving cooling ability by water spray to perform an efficient operation while suppressing decrease in collected power by an expander. The refrigerating cycle apparatus includes: a first compressor that compresses the refrigerant; an expander that decompresses and expands the refrigerant to collect power for expansion; a second compressor that is driven by the power collected by the expander to further compresses the refrigerant compressed by the first compressor to transmit it to a main radiator; a heat exchanger having an intercooler that cools the refrigerant compressed by the first compressor and a main radiator that cools the refrigerant compressed by the second heat exchanger to transmit it to the expander; indoor heat exchangers that heat the refrigerant decompressed by the expander; and a water spray apparatus that sprays water onto the outer surface of the intercooler and the main radiator.

Abstract: The present invention is an architecturally advanced chiller unit having solid, insulated exterior walls adapted for the attachment of aesthetic surface treatments, pedestal supports for a bottom intake of ambient air, and separate chambers for electrical and hydraulic components. The roof houses inset modular fans adapted for topside maintenance and the roof also allows service accessibility to heat rejection components housed within the chiller unit enclosure. Heat removal is accomplished through angled heat exchangers also housed within the enclosure. Each enclosure has an end accessible vestibule that house electrical and refrigerant components. The chiller units design is also intended to allow the side by side placement of two or more units, for modularity. The improved aesthetic appearance of these units also eliminates the use of surrounding architectural parapet walls or screening units. The improved space effectiveness and modularity shall provide greater flexibility in building construction.

Abstract: The performance of central air conditioning (HVAC) units is significantly enhanced and the cost of operation of the same is greatly decreased by the elements of the present invention with the water spraying system which may include an electrically actuated solenoid valve to initiate the flow of water to the water spray nozzles in coordination with the beginning of the air conditioner compressor cycle. A drain valve unit may allow water to drain from the piping and water spray nozzles when the central air conditioning (HVAC) unit is not operating.

Abstract: A portable sprinkler system for a cooling system is disclosed, the portable sprinkler system includes a fluid source coupled to the sprinkler system, a plurality of spray nozzles fluidly connected by conduit, a solenoid connected in series, a protective cover enclosing the sprinkler system, and an electricity source providing electricity to the system. The sprinkler system may be incorporated into an air conditioner cooling system, the sprinkler system includes a portable sprinkler system coupled to the air conditioner cooling system, the portable sprinkler system having a water source coupled thereto, a plurality of spray nozzles fluidly connected by conduit, a chemical injector for inhibiting mineral build-up, a filter, and a solenoid connected in series. The air conditioner cooling system includes a disconnect unit electrically connected to a transformer. A plurality of shields are coupled to the housing of the air conditioner, the shields arranged to deflect air turbulence.

Abstract: A method of providing utilities to a computer data center is discussed. The method includes initially connecting one or more non-evaporative cooling units to a data center as primary cooling plants, obtaining a government-issued water permit, and after obtaining the government-issued water permit, transitioning primary cooling for the data center to one or more evaporative cooling towers.

Abstract: The various embodiments herein provide an air conditioner system for providing cold and warm air in cars and buildings. The air conditioner system includes a chamber, a plurality of input air blades, a plurality of input air filters, an electrical ventilator, one or more wet heat exchangers, and one or more dry heat exchangers installed in the chamber, an outgoing air heat exchanger, an operation selection valve, an electrical circulating pump, one or more sets of water sprayers nozzles, one or more water sprayer pumps, one or more thermoelectric modules and a microcontroller unit. The passing of air through the chamber is automatically controlled by the microcontroller unit based on the operation of the system in the cooling or heating mode. The air is cooled in the cooling mode using the multistage water evaporation mechanism.

Abstract: In a self-contained plug-in display cabinet system (100), the evaporation temperature of the evaporator (25) is between ?4° C. and 2° C., and with the adaption of constant pre-cooling means (22), the high-temperature and high-pressure refrigerant gas discharged by the compressor (21) is pre-cooled allowing use of a low system pressure ratio and, thus, a high temperature compressor (21). Furthermore, there may be no need for the evaporator to be defrosted, which overcomes the drawbacks of the currently available display cabinet systems that the refrigeration cycles have to be interrupted for defrosting the evaporator, thereby having further energy saving and being advantageous in keeping the temperature of the food stable.

Abstract: A method of transferring heat is accomplished by providing a heat exchanger unit that is at least partially air cooled. The heat exchanger unit has an evaporator, condenser, compressor and a fan for forcing air over an exteriorly located heat exchange surface of the condenser. A fiberglass filter element is positioned adjacent to the heat exchange surface of the condenser for capturing at least one of grease, debris and other contaminants that are not entrained within any liquid cooling fluid that would otherwise contact the heat exchange surface. The filter element is allowed to capture the at least one of grease, debris and other contaminants prior to contact with the heat exchange surface of the condenser.

Abstract: An apparatus for increasing the efficiency of air conditioning units, and methods of improving the efficiency of the air cooling function in air conditioners is disclosed by dispersing a water or vapor mist onto the heat transfer coils of a condenser used in an air cooling unit to effectively and efficiently reduce the use of power by the condenser and reduce the time the condenser must run. The apparatus includes fluid lines and a filter, the function of which is to remove particulate matter from the fluid, prevent scale formation, and provide a coating on the surface of certain parts of the condenser. The filter is configured to stop the flow of fluid when the filter can no longer provide these functions.

Abstract: A hydrocooler system for cooling produce. The hydrocooler system comprises a hydrocooler tank configured to contain a fluid used to saturate and cool the produce, and a thermal storage device positioned in the hydrocooler tank and configured to receive a refrigerant. The thermal storage device is configured to generate a thermal storage medium from the fluid on the thermal storage device in response to the flow of refrigerant through the thermal storage device.

Abstract: A heat transfer system is provided having an air-cooled heat exchanger system. The heat exchanger system has an evaporator, condenser, compressor and a fan for forcing air over a heat exchange surface for effecting heat transfer. A mist generator having at least one nozzle directs a stream of fine mist or atomized liquid coolant into the air. The mist generator is coupled to a supply of liquid coolant. A controller controls the degree of mist or atomized coolant generated by the mist generator. A filter element positioned between the at least one nozzle and the heat exchange surface captures droplets of liquid coolant. The at least one nozzle is spaced apart from the filter element for directing the stream directly into the air surrounding the filter element.

Abstract: An air conditioner is provided. The air conditioner includes two or more heat exchangers, a refrigerant pipe, a compressor, an accumulator, and an overcooler. The heat exchangers perform heat exchanging between air or water and refrigerant. The refrigerant pipe guides refrigerant circulating between the two or more heat exchangers. The compressor compresses refrigerant flowing in the refrigerant pipe to a high temperature and pressure. The accumulator is provided on one side of the compressor, to separate an inflowing refrigerant into a liquid refrigerant and a gaseous refrigerant. The overcooler is provided on one side of the heat exchangers, to further cool refrigerant passing through the heat exchangers.

Abstract: A pre-cooling system for use with a condenser of an air conditioning system is provided. In one embodiment, the pre-cooling system comprises a housing that is coupleable to a top of a condenser of an air conditioner wherein the condenser has a substantially-vertical exhaust. The pre-cooling system further comprises a valve mounted in the housing that is coupleable to a water source and wherein the valve is capable of operating independent of electrical power. The pre-cooling system further comprises a vane that is coupled to the valve and positionable in the substantially-vertical exhaust, wherein the vane has an aerodynamically-shaped cross section useable to operate the valve. The present invention further provides a method of manufacturing the pre-cooling system.

Abstract: A cooling tower comprises a body provided with air-intake windows located above a catch basin, and a water distributor, which has a sprinkler, and an irrigators. Ring tubular units are connected to each other to form a ring-type evaporator fed from a pipeline, which is used for water supply from a water source independent of the water distributor, and are vertically arranged in the apertures of the air-intake windows. Equally spaced atomizing sprayers are mounted on each of the tubular units along the circumference of the unit. The invention makes it possible to enhance the operational performance of the cooling tower in a hot environment by improving operating service and maintenance conditions.

Abstract: Embodiments disclosed herein include a condenser stack having a cross-flow plate with a plurality of transverse slots, and first and second microchannel plates mounted to the cross-flow plate. In some embodiments, the microchannel plates may have a plurality of microchannels that allow for the flow of the refrigerant substantially through the plurality of microchannels in a direction generally perpendicular to the plurality of transverse slots. In some embodiments, the condenser stack may be implemented in an apparatus, such as a heat sink assembly, and in a refrigerator system. Moreover, embodiments for a method for manufacturing the condenser stack and apparatus are described. Other embodiments are also described.

Abstract: This invention is a water cooled refrigeration system which is equipped with an evaporative condenser comprising of multiple water pans with refrigeration coil soldered underneath for multi-stages cooling. The water pans are stacked on top of each other with the hottest coil located at the bottom. The bottom water pan dries up water faster than the other water pans since it has the hottest coil soldered underneath. Once the water level of the bottom water pan is low enough to be refilled, the supply water fills in from the top water pan and propagating downward to the water pan down below until it reaches the water pan at the bottom. The water refilling ceases once the bottom water pan is full. The unwanted heat from a refrigeration system is transferred from the refrigerant to the water, and then from the water to the air by evaporation.

Abstract: An evaporative cooler assembly including a cooler housing in fluid communication with a condenser. A stream of air flows through the cooler housing where it is cooled and across the condenser to dissipate heat from the condenser. The cooler housing includes a plurality of alternating dry and wet channels with a plurality of plates extending between opposite ends of the cooler housing separating the channels. The plates include a plurality of apertures for proportionally increasing from one end to the other the amount of the stream of air flowing from the dry channels through the wet channels and to the condenser.

Abstract: A heat transfer system is provided having an air-cooled heat exchanger system. The heat exchanger system has an evaporator, condenser, compressor and a fan for forcing air over a heat exchange surface for effecting heat transfer. A mist generator having at least one nozzle directs a stream of fine mist or atomized liquid coolant into the air. The mist generator is coupled to a supply of liquid coolant. A controller controls the degree of mist or atomized coolant generated by the mist generator. A filter element positioned between the at least one nozzle and the heat exchange surface captures droplets of liquid coolant. The at least one nozzle is spaced apart from the filter element for directing the stream directly into the air surrounding the filter element.

Abstract: A high capacity, continuous production blast freezer includes an insulated enclosure, a refrigeration system supplying cold air to the enclosure and a plurality of trays containing comestibles to be frozen. A tray advancement or pusher mechanism advances a first tray into the enclosure and then advances a second tray into the enclosure, pushing the first tray further into the enclosure. Gradually a first level of the enclosure is filled with trays. An elevator mechanism at both ends of the enclosure allows the trays reaching the end of the enclosure to advance to a second level, and the tray advancement mechanism advances the tray out of the elevator onto the second level. Eventually, as additional trays are pushed into the enclosure, the second level and then optionally further levels of the enclosure are filled with trays.

Abstract: A system for affecting the temperature of a room, the system including a tank containing a liquid, at least one surface of the tank being in contact with air from an interior of the room, an air inlet for admitting air to an interior of the tank and an air outlet through which air leaves the tank, wherein air leaving the tank through the air outlet is vented to a region located outside the room.

Abstract: The present invention relates to an air-conditioning system with full heat recovery comprising a condenser, an evaporator, a compressor and an expansion valve; one side of the condenser is disposed in a position corresponding to an indoor air outlet and an outdoor air inlet; the other side of the condenser is provided with an exhaust vent; and a cooling fan is disposed between the exhaust vent and a cooling air opening. The present air-conditioning system with full heat recovery can be connected with a condensate recycle system. The present invention utilizes low temperature, low humidity indoor exhaust air as cooling air for the evaporative condenser. It makes use of the sensible heat (temperature difference) of indoor exhaust air as well as the latent heat (humidity difference) of indoor exhaust air, thereby attaining better condensation effects. It also uses the condensate to assist cooling and increases cooling and water saving effects.

Abstract: A misting evaporative cooling system for residential air-conditioner condensers utilizes automatic controls on the misting system to maximize air-conditioner efficiency and minimize wasted water. A low-cost do-it-yourself kit is provided that includes stainless tubing, misting nozzles, tubing support rods, an outdoor thermostat, an electronic water valve, with dimensions suitable for many residential air-conditioner condensers. The outdoor thermostat and indoor air-conditioner thermostat cooperate to control the electronic water valve for maximum air-conditioner efficiency based on variables, such as humidity and ambient temperature, found in locations of use.

Abstract: An air conditioner condenser compartment includes a base. A three-sided frame is mounted to the base, each side of the frame incorporating a top, bottom, and side rail portion. A receiving bracket is formed along a surface of the side rail portion. A panel has top, bottom and side rail portions. The side rail portion of the panel is adapted to slide through the bracket formed along the three-sided frame. A fabric material is alternatively disposed over or integrated into the top, bottom, and side rail portions of the panel to render a screen structure. A top portion has two congruent side surfaces and a front surface. The side surfaces and front surface extend from a top opening outward to conform to a surface of the three-side frame. The top opening remains unobstructed to accommodate air movement.

Abstract: The heat exchanger of the present invention provides a plurality of tubes defining refrigerant passages extending vertically from a lower end to an upper end. According to an exemplary embodiment, the refrigerant passages carry superheated refrigerant. A bottom header is in fluid communication with the passage at the lower end of the tube, and a top header is in fluid communication with the passage at the upper end of the tube. A plurality of plates extend rearwardly from the tubes to a distal edge. Adjacent plates extending from adjacent tubes are closed off at the distal edges by a connector, and adjacent plates extending from the same tube have a rear opening between the distal edges for receiving air into the assembly. A plurality of orifices are disposed along the plates to allow air from the rear opening to flow downstream between the tubes. A water tank and wicking material are provided for wetting the plates. The water abstracts heat from air passing over the plates and evaporates into the airstream.

Abstract: A primary air flow path has a pre-cooler and an evaporator. A secondary air flow path includes portions of an air conditioner assembly including a compressor and an condenser. The air conditioner assembly also has lines connecting the compressor and the condenser the evaporator. A cooling tower has a coolant fluid input and output with a heat exchanger section. The heat exchanger section conveys coolant fluid. A pump causes cooling flow of water over the section. The coolant fluid output is adapted to feed a coolant fluid in two coolant fluid paths. The first fluid path is in heat exchanging relationship with the air conditioner assembly. The second fluid pat is coupled to the pre-cooler.

Abstract: Hybrid dry cooler heat exchangers with one or more tube-fin heat exchange assemblies including at lease one such assembly wetted by water dropped on it with the first of such assembly stamped to provide arrays of slit/louver combinations breaking up water droplets and averting flight of droplets into a gas flowing between adjacent fins.

Abstract: A hybrid cooler with selectively applied water to one or more heat exchangers has one or more water feed channels above each heat exchanger to which water is to be applied constructed to provide a smooth film of water by a feed channel overflow edge and with means for suppression of waves, if any, in the channel.

Abstract: A method of transferring heat is accomplished by providing a heat exchanger unit that is at least partially air cooled. The heat exchanger unit has an evaporator, condenser, compressor and a fan for forcing air over an exteriorly located heat exchange surface of the condenser. A fiberglass filter element is positioned adjacent to the heat exchange surface of the condenser for capturing at least one of grease, debris and other contaminants that are not entrained within any liquid cooling fluid that would otherwise contact the heat exchange surface. The filter element is allowed to capture the at least one of grease, debris and other contaminants prior to contact with the heat exchange surface of the condenser.

Abstract: An evaporative coil for a condenser assembly in a refrigeration system, the evaporative coil having a portion of its length received in a tubular cladding made of corrosion resistant material, for example, stainless steel.

Abstract: A roof top cooling unit has an evaporative cooling section that includes at least one evaporative module that pre-cools ventilation air and water; a condenser; a water reservoir and pump that captures and re-circulates water within the evaporative modules; a fan that exhausts air from the building and the evaporative modules and systems that refill and drain the water reservoir. The cooling unit also has a refrigerant section that includes a compressor, an expansion device, evaporator and condenser heat exchangers, and connecting refrigerant piping. Supply air components include a blower, an air filter, a cooling and/or heating coil to condition air for supply to the building, and optional dampers that, in designs that supply less than 100% outdoor air to the building, control the mixture of return and ventilation air.

Abstract: A rack-mount server system of a liquid cooling system, in which a heat-generating component such as a CPU is cooled by a coolant has a plurality of server modules with heat-generating components which are cooled by the circulating coolant. The server modules are connected in parallel to a circulation coolant path through which the coolant to cool the server modules is circulated. In the middle of the coolant circulation path is a cooling unit that cools the coolant by radiating its heat to the outside air. Furthermore, a bypass route parallel to the server modules and going around the server modules is provided in the coolant circulation path, and the circulation quantity of the coolant is controlled in the bypass route. Alternatively, the flow quantity of the coolant is controlled in each of the server modules.

Abstract: An air conditioner condenser cooler is disclosed that includes a source of cooling fluid, means for atomizing the fluid, and means for directing the atomized fluid adjacent an associated air conditioner. The atomized fluid reduces the temperature of the ambient air drawn across the condenser through the adiabatic process. The reduced temperature of the air facilitates the efficient transfer of heat energy from the condenser to the ambient air minimizing the energy consumption required for the air conditioner to provide a desired level of cooling.

Abstract: This invention is for a highly efficient heat transfer unit and method for heat transfer for an air conditioning refrigeration unit. The invention has a plurality of condenser coils that stand generally vertically upright (with up to 20° tilt to optimize downward water flow with air being pulled across) between a splash louver and an evaporative fill material. The evaporative fill material and the splash louver transfer heat from the water by air cross flow to make the air conditioning unit very efficient and reduces the amount of copper coils needed. The condenser coils are cooled by water flowing down through them and into a sump. The condenser coils are also cooled by air pulled across them by a fan mounted on the top of the air conditioning unit. The sump in the bottom of the unit has a wall that directs the water in it to a water pump that then sends the water to the water distribution pipe.

Abstract: A modularized high efficiency cooling device in a cooling mechanism, which includes at least one exchanger, at least one gas cooling device, at least one water cooling unit, at least one chiller unit, at least one chiller pump and at least one pair of copper tube. The cooling device adopts modularized design so that it can be assembled to form different units according to consumer demands and has an effect of frequency conversion. The assembled unit can be installed in different places. One machine of the cooling device can be maintained individually as well as the other machines of the cooling device that are in use normally. This reduces maintenance fees and is convenient.

Abstract: An air conditioner includes an outdoor device coupled to an indoor device via a hose, and a water draining device coupled between the outdoor device and the indoor device, to force water that may be generated in the indoor device from the indoor device to the outdoor device, and to prevent the water from dropping from the indoor device. The water draining device includes a casing having a channel to slidably receive a piston which may pump the water from the indoor device to the outdoor device. The indoor device includes a tray disposed in a container to collect water. The outdoor device includes a fan device to blow and to dry the water.

Abstract: A refrigerator which has a pleasant front appearance by improving a structure to circulate air through a machine room thereof, and which restrains a transmission of operational noise from an interior to an outside of the machine room, thus performing a silent operation. The refrigerator has a cabinet defining a storage compartment therein, and a machine room defined at a top of the cabinet. The machine room is partitioned in an interior thereof into front and rear chambers by a noise buffering plate having a plurality of vent holes. A main inlet hole and a main outlet hole are provided side-by-side at an upper surface of the front chamber of the machine room so as to allow air to circulate through the machine room. A compressor, a condenser and a cooling fan are installed in the rear chamber of the machine room.