Abstract: The present invention relates to a cooling apparatus including a non-freezing apparatus which can be installed in a refrigerating chamber or a refrigerating chamber door and stably store food in a non-frozen state. A cooling apparatus includes a freezing chamber, a refrigerating chamber, a freezing chamber door, a refrigerating chamber door, and a non-freezing apparatus installed in the refrigerating chamber or the refrigerating chamber door and storing food in a non-frozen state. In the non-freezing apparatus, since a lower space is cooled by the cool air introduced from the freezing chamber and an upper space is cooled by the atmosphere of the refrigerating chamber, it is possible to reduce a heating value of a heater which is operated to maintain the temperature of the upper space to be higher than that of the lower space.

Abstract: The present invention relates to a supercooling apparatus which can reduce a deviation of energy applied to a stored object.

Abstract: The present invention relates to a refrigerator which can maintain a stored object in a desired state by controlling the temperature of an upper region and a lower region in the same storing space. The refrigerator includes a non-freezing apparatus having a storage room with a storing space composed of an upper space and a lower space, the air or heat exchange being limited between the upper space and the lower space, and a temperature control unit controlling the temperature of the upper space and the lower space. The non-freezing apparatus is installed in a storing space in which the cooling is performed and controls the temperature control unit to perform at least one of a process of rapid cooling at a temperature over the phase transition temperature, a process of entering a supercooling temperature region, and a process of maintaining the supercooling temperature region.

Abstract: The present invention relates to a cooling apparatus including a non-freezing apparatus which can stably store a liquid in a container in a supercooled state by maintaining an upper space receiving an upper portion of the container at a higher temperature than a lower space receiving a lower portion of the container. A cooling apparatus includes a cooling space, a door opening and closing the cooling space, and a non-freezing apparatus installed in the cooling space or the door, an upper space thereof being maintained in a higher temperature region than a lower space thereof. The non-freezing apparatus of the cooling apparatus includes a separation film formed between the upper space of a high temperature and the lower space of a low temperature and limiting the heat exchange between the upper space and the lower space, thereby stably maintaining the liquid in the supercooled state.

Abstract: The present invention relates to a cooling apparatus with a passage therein to introduce the cool air from a cooling space into a non-freezing apparatus to cool a lower space of the non-freezing apparatus. A cooling apparatus includes a cooling space supplied with the cool air, a non-freezing apparatus installed in the cooling space and storing food in a non-frozen state, a cooling passage for introducing the cool air from the cooling space into the non-freezing apparatus, and a discharge passage for discharging the flow from the non-freezing apparatus to the cooling space.

Abstract: The present invention relates to a refrigerator which can display a supercooled state or the proceeding degree of the supercooled state. The refrigerator includes a control apparatus which is formed in a storing space in which the cooling is performed, has a storing space composed of an upper space and a lower space between which the air or heat exchange is limited, stores a stored object in the storing space in a supercooled state, and controls the temperature of the upper space and the lower space, respectively. The refrigerator includes: a determination means determining the supercooled state of the stored object or the proceeding degree of the supercooled state; and a display means visually or aurally displaying the supercooled state or the proceeding degree of the supercooled state determined by the determination means.

Abstract: The present invention discloses an apparatus for supercooling and a method of operating the same which can solve supercooling release of a supercooled space and prevent external exposure of energy such as an electric field. The apparatus for supercooling includes a space cooled by cool air, for maintaining an inside object in a supercooled state by supply of energy preventing the object from being converted into a solid phase, a sensing unit for sensing supercooling release of the space or the object, and a heater engaged with the sensing unit, for applying heat to the space or the object.

Abstract: The present invention relates to a refrigerator which can maintain and store a stored object in various states. The refrigerator includes a non-freezing apparatus having a storage room with a storing space composed of an upper space and a lower space, the air or heat exchange being limited between the upper space and the lower space, and a temperature control unit controlling the temperature of the upper space and the lower space. The non-freezing apparatus is installed in a storing space in which the cooling is performed and controls the temperature control unit to perform at least one of a process of maintaining a temperature-control start temperature region and a process of maintaining a supercooling temperature region which is lower than the temperature-control start temperature region, thus storing the storing space or the stored object in a state caused by the performed process.

Abstract: A hermetic compressor and a refrigeration cycle device having the same are provided. An oil separator is installed either outside or inside of a casing to separate oil from a discharged refrigerant and an oil pump driven by a driving force of a motor is used to recollect the oil separated in the oil separator, whereby the separation between oil and refrigerant can effectively be performed and also a fabricating cost can be reduced. Also, an introduction of the separated refrigerant back into the compressor can be prevented so as to improve a cooling capability of the refrigeration cycle device. In addition, the oil pump is driven by the driving force of the motor, resulting in a simple configuration of the compressor and a reduction of a fabricating cost of the compressor.

Abstract: A hermetic compressor is provided, including a casing, having a suction pipe and discharge pipe connected thereto, a driving motor installed within the casing, a compressing device installed within the casing and operated by the driving motor to form compression chambers, an oil separator that separates oil from a refrigerant discharged from by compressing device, and an oil collecting pipe through which the oil separator communicates with the compression chambers. With this structure, oil can be appropriately supplied to one or more compressors based on capacity, thus improving reliability of oil distribution and enhancing compressor performance.

Abstract: The instant pulse filter according to the present invention, which may cause a malfunction or a short life span of a semiconductor device, is made using an aluminum anodic oxidation, comprising—a first step for forming an aluminum thin film layer on an upper side of an insulator substrate; a second step for forming an aluminum oxide thin film layer having a pore by oxidizing the aluminum thin film layer by means of an anodic oxidation; a third step for depositing a metallic material on an upper side of the aluminum thin film layer for filling the pore; a fourth step for forming a nano rod in the interior of the aluminum oxide thin film layer by eliminating the metallic material deposited except in the pore; a fifth step for forming an internal electrode on an upper side of the aluminum oxide thin film layer having the nano rod; a sixth step for forming a protective film layer on an upper side of the same in order to protect the aluminum oxide thin film layer and the internal electrode from the external enviro

Abstract: A fuel cell system comprises: a fuel cell stack (100) where an anode (110) and a cathode (120) are arranged under a state that an electrolyte membrane is positioned therebetween; a fuel tank (300) for storing a fuel; a fuel circulation supply means (400) for circulation-supplying a fuel stored in the fuel tank (300) to the anode of the fuel cell stack; an air supply unit (200) connected to the cathode of the fuel cell stack (100) by an air supply line, for supplying oxygen, etc. to the cathode (120); a sensing unit (500) for measuring a concentration of at least one of fuels supplied to the anode (110) and a control unit for receiving a signal of the sensing unit (500) and informing replacement time of a fuel. According to this, a fuel usage is maximized by informing replacement time of a used fuel and a filter (450) for filtering impurity by detecting a fuel consumption degree and an impurity generation amount.

Abstract: A compressor and an oil separating device therefor are provided which are capable of always maintaining a predetermined amount of oil in the compressor without additionally providing an oil separating device along a refrigerating cycle system. This results in the refrigerating cycle system having simplified piping and the refrigerant discharged from the compressor having a constant pressure, thereby preventing a function of the refrigerating cycle system from being reduced. The compressor includes a casing, a compression device having a compression chamber disposed within the casing and configured to receive, compress, and output a refrigerant, and an oil separating device disposed within the casing.

Abstract: The present invention relates to a supercooling recognition method and a supercooling apparatus which can rapidly and precisely judge whether a stored object is maintained in a supercooled state on the basis of a temperature thereof. A supercooling recognition method according to the present invention includes the steps of: cooling a stored object to below a temperature of a maximum ice crystal formation zone thereof; and judging whether the stored object is maintained in a supercooled state on the basis of a temperature thereof during the cooling step.

Abstract: The present invention relates to a supercooling apparatus which maintains an object and liquid in a supercooled state. According to the present invention, a supercooling apparatus includes a cooling chamber supplied with cool air, and a heating device (100) for preventing freezing of water by heating air over a container (200) storing an object or liquid and cooled in the cooling chamber. In this configuration, the air over the container (200) where ice crystals are easily formed is heated to prevent freezing of water stored in the container (200) and store water in a supercooled state.

Abstract: The present invention discloses a non-freezing refrigerator which can keep the contents in a non-frozen state by an electric field. The non-freezing refrigerator includes a setting unit for selecting and setting a magnitude and frequency of a voltage, a generating unit for generating an electric field according to the voltage having the set magnitude and frequency, and applying the electric field to a storing space for storing the contents, and a freezing cycle for cooling the storing space. The contents are kept in the non-frozen state below a phase transition temperature.

Abstract: The present invention discloses an apparatus for supercooling and a method of maMng slush thr?gh supercooling which generate a supercooled liquid by supplying cool air and energy, control the state of the supercooled liquid, store and supply the supercooled liquid, generate slush by applying an external force to the supercooled liquid, maintain the state of the slush, and supply the slush.

Abstract: A scroll compressor and a refrigerating apparatus having the same are provided. In the scroll compressor, an angle formed between an injection passage that guides refrigerant from a condenser back into an intermediate compression chamber and a back pressure passage that guides refrigerant from the intermediate compression chamber into a back pressure chamber may be designed so as to prevent leakage of refrigerant from the intermediate compression chamber into the back pressure chamber. This allows an appropriate pressure to be maintained the back pressure chamber, and increases an amount of refrigerant supplied into the compression chambers, thereby improving performance of the scroll compressor and a refrigerating apparatus in which such a scroll compressor is installed.

Abstract: The present invention discloses an apparatus for supercooling which can stably maintain a liquid in a supercooled state at below a phase transition temperature. The apparatus for supercooling, which can maintain a supercooled state of a liquid or contents even below a phase transition temperature, comprises: a storage space for storing a container accommodating a liquid or contents containing the liquid; a cooling means for cooling the liquid or contents or the storage space below the phase transition temperature of the liquid or the contents; and a temperature maintaining unit for applying energy to the surface of the liquid or contents or to a gas near the surface, wherein the liquid or the contents are maintained in a supercooled state by preventing freezing nuclei from being formed on the surface of the liquid or contents or in the gas near the surface by application of energy.

Abstract: The present invention relates to a supercooling method and a supercooling apparatus which can maintain an object in a supercooled state. According to the present invention, a supercooling method includes a first cooling step of cooling a stored object toward a cooling temperature below a phase transition temperature thereof, a step of judging whether the stored object is released from a supercooled state in the first cooling step, a step of thawing the stored object when the stored object is released from the supercooled state, and a second cooling step of cooling the stored object toward a cooling temperature below zero that is higher than the lowest temperature of the stored object before the release of the supercooled state, wherein the first cooling step is continuously performed when the object is maintained in the supercooled state.