Abstract: Dynamically cycling of air in an indirect evaporative cooler. A heat exchanger includes a dry passage separated from a wet passage by a membrane, the dry passage including an intake portion, an outlet portion, and a loop portion. By selectively passing intake air from the intake portion and/or recirculation air from the loop portion using a mixing valve, air is moved into and through the loop portion. The air within the heat exchanger can be selectively passed outside through the outlet portion and/or recirculated by the mixing valve. In this manner air is able to be circulated a number of loop circuits through the loop portion, enabling cooling and/or dehumidifying of air.

Abstract: Incremental dehumidification of a volume of air in an indirect evaporative cooler. Dehumidification processes are incorporated with the cooling processes, such that within each circuit a volume of air follows through the indirect evaporative cooler and includes dehumidification as well as cooling of the volume of air. Subsequent circuits of the volume of air, which commence at a lower starting temperature than the prior circuit, result in further dehumidification of the air.

Abstract: Incrementally cooling and dehumidifying a volume of air that is substantially at its dew point. Developing a pressure differential within an indirect evaporative cooler between a dry passage and ambient air and/or a wet passage and ambient air, to evaporate liquid outside the dry passage and condense liquid within the wet passage. A pressure differential can be developed by selectively pushing and/or blocking air at predetermined portions of the wet and dry passages.

Abstract: Water temperature conservation for increasing efficiency of an indirect evaporative cooling apparatus. A heat exchanger of the indirect evaporative cooling apparatus includes a dry passage separated from a wet passage by a membrane, the dry passage including an intake portion, an outlet portion, and a loop portion. Water captured from condensation during a dehumidification process can be stored and/or used to wet the wet passage of the heat exchanger to enhance evaporative function. Stored water can be maintained at a relatively lower temperature than the environment, helping to maintain a lower internal apparatus temperature and to further cool circulating air.

Abstract: A method for determining the level of efficiency of a ventilation system of an electrical enclosure intended to house one or more electrical devices, the method including a learning step including a step for determining a profile of the power dissipated via the Joule effect by each electrical device, an evaluation step for evaluating the level of efficiency of the ventilation system, including a step for determining the average air flow rate of a fan from a profile of the temperature of the air outside the enclosure obtained over an evaluation period, a profile of the temperature of the air at the outlet of the enclosure, and the dissipated power profile determined during the learning step, a step for comparing the average air flow rate with one or more threshold values in order to determine the level of efficiency of the ventilation system.

Abstract: An air conditioning system includes a first fan coupled to a first air outlet of a first room, a second fan coupled to a second air outlet of a second room, and a microprocessor controlling a fan speed of the first fan independent of a fan speed of the second fan. The air conditioning system also includes a first control unit and a first sensing unit in the first room, and a second control unit and a second sensing unit in the second room. The microprocessor is configured to adjust the fan speed of the first fan based upon a temperature threshold from the first control unit and a sensed temperature from the first sensing unit. The microprocessor is configured to adjust the fan speed of the second fan based upon a temperature threshold from the second control unit and a sensed temperature from the second sensing unit.

Abstract: The disclosure relates to the command of a thermal device and more specifically a control box for such a device, comprising a communication interface with an energy and driving manager for receiving centralized operating settings from the manager defining, for this device, a centralized operating mode in which the device applies the aforementioned settings. The box furthermore comprises an interface for entry of local operating preferences, where the communication interface is arranged for communicating the operating preferences to the manager in order to change the centralized operating settings associated with the device based on the operating preferences.

Abstract: Aspects of the present disclosure describe a multi-layer chiller operation management framework and associated methods for managing heating, ventilation, and air conditioning (HVAC) multi-chiller unit operation in real time serving varying system loads. According to the present disclosure, the framework includes two layers—a first layer providing 24-hour chiller operation planning thereby optimizing chiller operation using forecasted load profiles to minimize energy consumption. To this is applied a mixed-integer linear programming (MILP) based optimization. A second layer adjusts chiller operation status in real-time based on actual system load demand. Load forecasting uncertainty is cured in a hierarchical manner based on the level of load uncertainty. Two approaches are employed namely rule-based load sharing adjustment and MILP-based rolling optimization.

Abstract: Apparatuses, methods and storage medium associated with an intelligent LED light apparatus are disclosed herein. In embodiments, an intelligent LED light apparatus may include a communication interface, a processor, a body that encases at least the communication interface and the processor, and a plurality of sensors of a plurality of sensor types disposed on the body. The processor may be configured to receive sensor data from the sensors, and transmit the sensor data or results from processing the sensor data to an external recipient. Further, for some embodiments, the intelligent LED bulb apparatus may further comprise LED lights, and the body further encases the LED lights. In other embodiments, the body may include a male connector to mate with a bulb receptor, and a female connector to mate with a LED bulb. Other embodiments may be disclosed or claimed.

Abstract: Apparatus and associated methods relate to a pest repelling magnetic field generating device (PRD) having a temperature sensor to detect the temperature of a solenoid coil during operation. The detected temperature to be used to ensure that the PRD operates within an ideal temperature range. Additionally, a fan is oriented within a housing of the PRD to force the flow of air from inside a housing of the PRD to outside a housing the PRD. In an illustrative example, the PRD may shut off if the temperature of the solenoid coil moves outside the ideal temperature range. By operating the PRD within an ideal temperature range, the service life of the PRD may be extended. Further, the fan may mitigate dust collection within the housing of the pest repelling magnetic field generating device.

Abstract: Fan coil thermostats can provide energy savings by, for example, operating a fan coil system more efficiently. Fan coil systems employing such a fan coil thermostat may be more energy efficient. A fan coil system may include a fan coil that is configured for fluid communication with a source of heated fluid and/or a source of cooled fluid, a valve that controls fluid flow through the fan coil and a fan that blows air across the fan coil. The fan coil thermostat may include a controller that implements a control algorithm that calculates an error percentage value relating to a temperature difference between the current temperature and the temperature set point. The error percentage value may include a proportional term related to the temperature difference and an integral term related to the temperature difference. The controller may regulate the fan speed in accordance with the calculated error percentage.

Abstract: A heat-exchange ventilation device includes: a heater connection terminal to which an external connection heater is connected; a temperature sensor that measures a temperature of a supply air flow passing through an air supply passage; and a control unit that controls operations of an air supply fan and an air exhaust fan and turning-on and turning-off of the external connection heater based on a measurement result of the temperature sensor. The external connection heater is installed in an outdoor air-supply duct and heats a supply air flow flowing through the air supply passage into a heat exchanger. The air supply fan is operable at a plurality of intensities, and the control unit prohibits a state in which the air supply fan is operated at an intensity lower than an intensity set in advance and the external connection heater is turned on.

Abstract: An air conditioner includes an outdoor unit and a plurality of indoor units connected to the outdoor unit. The outdoor unit sometimes sets an evaporation temperature or a condensation temperature that is different from a value that any of the indoor units has requested from the outdoor unit. The indoor units have indoor-side controllers that perform capacity control that adjusts capacity based on a degree of superheating or a degree of supercooling, an air volume, or an evaporation temperature or a condensation temperature while calculating a requested capacity that is determined from a current room temperature and a set room temperature. The indoor-side controllers, when performing the capacity control, determine at least one of the air volume and a target value of the degree of superheating or the degree of supercooling based on the evaporation temperature or the condensation temperature that is set by the outdoor unit.

Abstract: A fan characterization and control system includes a chassis housing a plurality of components and a fan system. A controller system is coupled to the components and the fan system and configured to detect fan devices in the fan system that are connected to the controller system via respective fan connectors. The controller system determines fan performance categories of each of the fan devices based on signals communicated by each of the fan devices through at least one pin on the respective fan connectors. The controller system accesses a fan performance database that stores different fan performance categories and respective fan performance characteristics for each of the different fan performance categories. The controller system uses fan performance information that is associated in the fan performance database with each of the fan performance categories determined for the fan devices to configure the components and the fan system for operation.

Abstract: The disclosure is related to a cooling system that includes a thermal sensor to determine a temperature in an interior of the computational device, a sensor to determine at least one of a noise level in proximity to the computational device or a presence or absence of a human user in spatial proximity to the computational device, a fan to cool a component of the computational device, a microprocessor, and a computer readable medium comprising fan control rules. The fan control rules cause the microprocessor to increase a speed of the fan in response detecting a noise level in proximity to the computational device greater than a selected magnitude or an absence of a human user in spatial proximity to the computational device.

Abstract: A Data Center Infrastructure Management (DCIM) system comprising predictive analytics and methods for collecting data, analyzing data, optimizing infrastructure efficiency and automating management of data center infrastructure systems and components is disclosed. The DCIM system comprising predictive analytics may generally comprise a DCIM appliance or server, data collection hardware, database hardware, software for collecting data from a plurality of infrastructure systems, infrastructure components and wireless sensors, presentation client software, reporting software and an intelligent predictive analytics engine. The intelligent predictive analytics engine may be employed to identify infrastructure optimization actions enabling the DCIM system software or DCIM element controller to enact changes to the operational state of data center infrastructure systems or components to sustain optimal data center infrastructure efficiency.

Abstract: A vertical Pittsburgh Seam closing apparatus having a base supporting surface, a track mechanism for moving a carriage assembly which holds seam forming members used to close a Pittsburgh Seam, a pair of upper and lower guide members for guiding the duct section into a proper vertical position, and upper and lower clamping members positioned inside the duct section and adjacent the inside portion of the Pittsburgh Seam to be closed, the upper guide members and clamping member being selectively movable and adjustable for accommodating different duct section lengths. In one embodiment, the seam forming assembly includes three roller members mounted in vertical arrangement to each other, one roller member being V-shaped in configuration and the other two roller members being substantially cylindrical in shape. The V-shaped roller member may also include one or more projecting members for forming dimples in the closing process to prevent shifting and/or slipping of the closed seam.

Abstract: An HVAC register or return grille with an integrated nightlight, a battery-operated nightlight module and an area on the grille suitable for mounting the nightlight module. The nightlight module is operatively coupled to the grille and fitted with motion sensing technology to activate the light when a user nears the device. The integration of nightlight technology into HVAC grilles allows for a discrete nightlight location and enhances the utility of conventional HVAC register and return grilles.

Abstract: An enclosure vent is operable to be mounted to a building that presents an interior space and to move in response to a change in vent temperature. The vent includes a vent frame and a laminated composite vent panel. The vent panel includes outer and inner panel layers and an intermediate connecting structure that connects the panel layers relative to one another along an interface defined between the panel layers. The outer and inner panel layers have, respectively, first and second coefficients of thermal expansion that are different from each other and cause expansion and contraction of the corresponding panel layers along the interface. The connecting structure permits expansion and/or contraction of each panel layer in response to a vent temperature change so that the panel flexes.

Abstract: A direct evaporative cooling system add-on to the existing air conditioning system for more effectively removing the Latent-heat-of-condensation of the refrigerant of the system greatly enhances the EER rating of the system. Upgrading the conventional air-conditioning systems from air cooled refrigerant-condensing-radiator to water-evaporative-cooling via an ADD-ON unit, comprising a reservoir that stores water to be periodically pumped up a pipe under pressure controlled by the electronic controller for timing and quantity. The water is sprinkling uniformly with the help of a plurality of holes in the pipeline wetting the condensing radiator, some of which evaporates cooling the radiator and the excess returning to the reservoir to be recycled over the radiator repeatedly allowing the evaporation and heat exchange process to continue.

Abstract: A heat extractor captures and separates the heat and the carbon monoxide from waste energy that is expelled from the furnace as an unusable bi-product. The heat extractor includes a core assembly, a furnace flue pipe inlet, and a furnace flue pipe outlet. The heat extractor is secured within a return air duct of the furnace, while a furnace outlet is connected to the furnace flue pipe inlet and the furnace flue pipe outlet is connected to a chimney outlet. When the furnace is operating, the hot exhaust passes through the heat extractor on its way to the chimney outlet. Within the return air duct there is a heat exchange from the heat extractor to the return cool air, thereby preheating the cool air just before it enters the furnace causing less consumption of energy to heat that air while the carbon monoxide harmlessly passes through the chimney outlet.

Abstract: A turn down ratio (TDR) damper which controls an amount of gas and air flowing in the TDR damper and deliver the controlled gas and air to a turbo fan is disclosed. The TDR damper includes: air passages comprising a first air passage and a second air passage, the first air passage and the second air passage separately formed so that the air move through each path; gas passages comprising a first gas passage and a second gas passage, the first gas passage and the second gas passage separately formed so that the gas move through each path; and opening and closing means for opening and closing the second air passage and the second gas passage at the same time. The air passages and the gas passages may be separately formed and reached outlets connected to the turbo fan so that the air and gas may be delivered to the turbo fan through a separate path.

Abstract: A gravity-style furnace subunit for a gas-induced draft furnace. A heat conduction tube configured to be located inside of a gas-induced draft furnace cabinet, the heat conduction tube being separated from a row of draft-induced heat conduction tubes inside the cabinet. A burner assembly having a burner tube located within the heat conduction tube through an inlet opening of the heat conduction tube. The burner assembly permits air flow through the inlet opening into the heat conduction tube. A pilot assembly located within the heat conduction tube and adjacent to the burner tube. A thermopile module having located adjacent to a flame outlet of the pilot assembly within the heat conduction tube. A gas valve configured to control gas flow to the burner assembly, the gas valve electrically coupled to the thermopile module and to actuate gas flow there-through when the thermopile module generates a predefined voltage difference.

Abstract: A solar water-heating panel is provided, comprising a plurality of risers configured for utilizing solar radiation impinging thereon to heat a fluid therein. Each riser comprises a riser wall defining a fluid path for flow therethrough of the fluid. The panel further comprises one or more headers for facilitating delivery of the fluid between the panel and an external source of the fluid. The risers are parallely-arranged and separate from one another, and each comprises a longitudinal fin projecting sidewardly therefrom toward, and contacting, an adjacent riser.

Abstract: The present disclosure describes a method for discharging a hydrogen storage system that is found in the annular space of a receiver tube, in particular for solar collectors, wherein the annular space is formed at least by an outer-lying tubular jacket and an inner-lying absorber tube of the receiver tube, and the outer-lying tubular jacket is joined by means of a wall to the absorber tube. The method is hereby characterized in that a first opening penetrating the tubular jacket or the wall is produced under a protective gas atmosphere, wherein protective gas enters through the first opening into the annular space, after which a process chamber with a connection for a vacuum pump is arranged in a gas-tight manner above the first opening, the receiver tube is evacuated through the first opening, and the first opening is subsequently sealed in a gas-tight manner.

Abstract: The present disclosure describes a method for discharging a hydrogen storage system, which is found in the annular space of a receiver tube, in particular for solar collectors, wherein the annular space is formed between an outer-lying tubular jacket and an inner-lying absorber tube of the receiver tube, and the outer-lying tubular jacket is connected via a wall to the absorber tube in a gas-tight manner. The method is hereby characterized in that an opening penetrating the tubular jacket or the wall is produced, free hydrogen in the annular space is pumped out through the opening, and the opening is subsequently sealed. The disclosure further describes a device for implementing the method.

Abstract: A method for controlling stagnation in a solar collector, comprises: providing an solar energy absorbing substrate and a first layer; providing a second layer disposed between the first layer and the solar energy absorbing substrate; coupling an actuator to the solar energy absorbing substrate; and expanding the actuator when the solar collector is exposed to a stagnation temperature to form a gap between the first layer and the second layer.

Abstract: A thermal management system includes a closed dynamic cooling circuit, and a closed first steady-state cooling circuit. Each circuit has its own compressor, heat rejection exchanger, and expansion device. A thermal energy storage (TES) system is configured to receive a dynamic load and thermally couple the dynamic cooling circuit and the first steady-state cooling circuit. The dynamic cooling circuit is configured to cool the TES to fully absorb thermal energy received by the TES when a dynamic thermal load is ON, and the steady-state cooling circuit is configured to cool the TES when the dynamic thermal load is OFF.

Abstract: Provided are a refrigerator and a control method thereof. The refrigerator according to the embodiment includes a compressor configured to compress a refrigerant; a condenser configured to condense the refrigerant compressed by the compressor; a flow control part disposed at an exit side of the condenser to switch a flow direction of the refrigerant condensed by the condenser; a plurality of branch pipes configured to extend from the flow control part; an expander installed at the plurality of the branch pipes to depressurize the refrigerant; a plurality of evaporators connected to the plurality of branch pipes; and a bypass pipe configured to extend from an exit side of one of the plurality of evaporators to an entrance side of the other evaporator and having a bypass expander installed thereat to depressurize the refrigerant.

Abstract: A heating, ventilation, and/or air conditioning (HVAC) system has a first variable refrigerant flow outdoor unit, a first ducted variable speed indoor unit configured to selectively exchange refrigerant with the first variable refrigerant flow outdoor unit, and a second indoor unit configured to selectively exchange refrigerant with the first variable refrigerant flow outdoor unit.

Abstract: Generally, this disclosure relates to a temperature-stabilized and/or temperature-controlled storage container. In an embodiment, the storage container may include e a temperature-control regulator or assembly that may control the temperature in the interior space of the temperature-stabilized storage container.

Abstract: A solar-thermal refrigerant compression system employing refrigerants, such as R410a and R500, and a method of employing the system in refrigeration and air-conditioning units. The system includes a refrigerant storage tank, an evaporator, a mixing chamber, a condenser and an isochoric thermal compressor comprising a condensate heat exchanger and a heating coil connected to a solar collector field.

Abstract: A chemical heat pump includes a reaction section containing a heat storage material, a condensing section enabling a phase transition between water vapor and water, a connecting section connecting the reaction section and the condensing section, a valve adapted to open or close the connecting section, and a first fluid passage. The reaction section contains a plurality of heat storage materials having respective different conversion temperatures at which the heat storage material and the hydrate thereof are converted into each other. The plurality of heat storage materials and the first fluid passage are arranged so that the fluid flowing in the first fluid passage can perform heat exchanges with the heat storage materials in such a manner that the higher the conversion temperature of the heat storage material, the closer the position of the heat exchange to “the first side” of the first fluid passage.

Abstract: A two-stage proportional control valve configured for use in a fluid system includes a valve body having a longitudinally extending valve body bore formed therethrough. A first stage microvalve is mounted within the valve body bore, and a second stage spool assembly is mounted within the valve body bore downstream of the microvalve. The second stage spool assembly includes a sleeve and a spool slidably mounted within the sleeve.

Abstract: The purpose of the present invention is to achieve stable operation when using a low pressure, low GWP refrigerant. In the present invention, a control device (16) is provided with an estimation unit (31), a determination unit (32), and an activation control unit (33). The estimation unit (31) estimates the amount of air entering using a degree of influence of air entering, which represents the ease with which air enters determined by the structure of the chiller, and a variable obtained by a function including pressure as a parameter. The determination unit (32) determines whether a total value for the amount of air entering is greater than or equal to a preset tolerance value. The activation control unit (33) activates a bleed device when the total value of the amount of air entering is equal to or greater than the tolerance value.

Abstract: A system for the recovery of expanded refrigerant from a cryotreatment system for storage and disposal may generally include first fluid flow path having a first compressor and a fluid recovery reservoir, and a closed-loop second fluid flow path having a thermal exchange device that is in thermal communication with the fluid recovery reservoir, a second compressor, and a condenser. The first fluid flow path may include a primary refrigerant from a cryotreatment system and the closed-loop second fluid flow path may contain a secondary refrigerant for cooling the primary refrigerant within the fluid recovery reservoir. The refrigerant recovery conduit may be in fluid communication with both the cryotreatment system and a medical facility scavenging system. The refrigerant recovery conduit and the cryotreatment system may be located within the same cryotreatment console.

Abstract: A method of determining loss of refrigerant charge in a heating, ventilation, and air conditioning (HVAC) system. The method includes receiving, using a controller, a plurality of temperature values from a plurality of temperature sensors placed at multiple locations within the HVAC system and calculating, using the controller using the plurality of temperature values, a plurality of temperature-dependent values. The method further includes determining, using the controller, whether a first temperature-dependent value of the plurality of temperature-dependent values is above a first predetermined temperature value and responsive to a determination that the first temperature-dependent value is above the first predetermined temperature value, transmitting, using the controller to a user interface, a notification indicating that the HVAC system is operating with low refrigerant charge.

Abstract: A level sensor is configured to provide a receiver level indicating an amount of the refrigerant present in the receiver and a level model provides a heat rejecting heat exchanger estimate indicating an amount of the refrigerant present in the heat rejecting heat exchanger based on a temperature of the refrigerant. From the sensor and the model, a loss of refrigerant from the RVCS system is estimated.

Abstract: An air conditioner including a hot gas line for receiving a portion of refrigerant compressed in a compressor, an indoor heat exchanger, an outdoor expansion device for expanding the refrigerant having exchanged heat in the indoor heat exchanger, an outdoor heat exchanger functioning as a condenser in a cooling mode while functioning as an evaporator in a heating mode, and a 4-way valve for receiving a remaining portion of the compressed refrigerant, to guide the refrigerant emerging from the compressor to the outdoor heat exchanger in the cooling mode and to the indoor heat exchanger in the heating mode. The outdoor heat exchanger includes a main heat exchanger section functioning as a condenser in the cooling mode while functioning as an evaporator in the heating mode, and an auxiliary heat exchanger for receiving the refrigerant from the hot gas line in a frosting prevention mode.

Abstract: The invention relates to a method for adjusting a cryogenic refrigeration apparatus including a plurality of liquefiers/refrigerators arranged in parallel in order to cool a single device. The method includes a step of calculating in real time the dynamic mean value of at least one operating parameter for all the liquefiers/refrigerators. The apparatus controlling in real time the at least one valve for controlling the stream of working gas of at least one liquefier/refrigerator in accordance with the difference between the instantaneous values of the parameter relative to said dynamic converge toward said dynamic mean value.

Abstract: Disclosed are a method and a device for controlling refrigerant in an air conditioning system. The method includes: S1: comparing a superheat degree of each outdoor unit with an average superheat degree; S2: if the superheat degree of a present outdoor unit is higher than the average superheat degree, and a first different between the superheat degree of the present outdoor unit and the average superheat degree is greater than a present value, increasing a refrigerant amount entered into the present outdoor unit; and S3: if the superheat degree of the present outdoor unit is lower than the average superheat degree, and a second different between the average superheat degree and the superheat degree of the present outdoor unit is greater than the present value, decreasing the refrigerant amount entered into the present outdoor unit. Therefore, the refrigerant amount entered into each outdoor unit is adjusted from systemic overall perspective.

Abstract: A packaged food product, comprising a tray having a base portion and a plurality of spaced-apart deformable cup portions each having an opening through the base portion; a cover covering the openings of the cup portions and removably attached to the base portion, the cover rendable at each opening; and one or more freezable food product contained in the cup portions such that, when frozen, the food product is dischargeable from the cup portions through the cover when force is applied to deform the cup portions.

Abstract: An aseptic ice making system includes an ice making system to receive water from a water supply. The ice making system includes an ice producing subsystem to produce ice and a positive air pressure subsystem to maintain a positive air pressure environment within the ice making system.

Abstract: Provided is an apparatus for sensing and removing dew on a refrigerator. The apparatus may include a heater disposed at a refrigerator body or inside a surface of a door, and a sensor disposed in close proximity to the heater. The sensor may be configured to sense dew formed on a prescribed surface at the refrigerator body or the door. The sensor may be disposed physically separate from the prescribed surface to sense formation of dew on the prescribed surface. The heater is controlled to generate heat that removes the sensed dew on the prescribed surface based on a signal from the sensor.

Abstract: A refrigeration facility such as a refrigeration container includes a refrigeration device cooling an interior of the refrigeration facility and including an evaporator allowing air inside the refrigeration facility to pass through. A condensate port serving as a corrosive gas detector is installed in a drain hose. The drain hose disposes condensate water from a drain pan, which collects condensate water generated by the evaporator. Detecting corrosive gas in the air inside the container by using a pH sensor to examine a pH value of condensate water in the drain port allows for reducing the risk of corrosion of components installed inside the container.

Abstract: A refrigerator locking system is used to secure the doors of a refrigerator in closed or open positions. The system includes at least one anchor bar, a locking bracket, a door block and a refrigerator. The refrigerator includes a frame, at least one refrigerator door and a freezer door. The anchor bar is mounted to the frame in between the refrigerator door and the freezer door. The locking bracket is connected adjacent to the frame and is engaged with to the door block to secure the refrigerator door and the freezer door. The door block can be used to press the refrigerator door and the freezer door against the frame, keeping the refrigerator closed. Alternatively, the door block can be positioned in between the frame and both the refrigerator door and the freezer door to keep the refrigerator open.

Abstract: A cooling device includes an inner container having a plurality of walls defining the inner container. A support rail has an opening at one side thereof for supporting a support base inside the inner container. At least two of the walls each have an edge extending inside the support rail through the opening of the support rail and being disposed inside the support rail, providing a connection of the walls to each other.

Abstract: This invention relates to refrigerators, and more particularly to a refrigerator in which a vacuum space is formed between an outer case and an inner case of a body thereof for enhancing a heat insulating function. The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an outside surface of the inner case to house the inner case, and a vacuum space provided between the inner case and the outer case sealed to maintain a vacuum state for heat insulating between the inner case and the outer case.

Abstract: A refrigerator includes a main body that defines a storage space, a door configured to open or close the storage space, and a dispenser located in the door and configured to dispense cooled water and purified water. The refrigerator also includes a purified water input part that inputs a command for dispensing the purified water, a cooled water input part that inputs a command for dispensing the cooled water, and a dispensing amount input part that sets an amount of purified water to be dispensed based on the purified water being selected through the purified water input part. The refrigerator further includes a filter device located within the storage space to purify water supplied from a water supply source, and a water tank storing water that has passed through the filter device in a cooled state.

Abstract: Disclosed is a refrigerator. The refrigerator includes a cabinet having a first storage compartment, an inner door pivotably rotatably installed to the cabinet, the inner door having a second storage compartment, an outer door configured to open or close the second storage compartment, and a drawer installed in the second storage compartment, the drawer being movable forward and rearward. The drawer includes a basket part (120) configured to receive food therein and a frame unit (140) configured to allow the basket part (120) to be separably seated thereon.