WO2009038425A2

WO2009038425A2 - Apparatus for supercooling

Info

Publication number: WO2009038425A2
Application number: PCT/KR2008/005617
Authority: WO
Inventors: Su-Cheong Kim; Jong-Min Shin; Deok-Hyun Youn; Jae-Hyun Soh; Cheol-Hwan Kim; Won-Young Chung; Hoon-Bong Lee
Original assignee: Lg Electronics, Inc.
Priority date: 2007-09-21
Filing date: 2008-09-22
Publication date: 2009-03-26
Also published as: KR100911268B1; WO2009038425A3; KR20090031068A

Abstract

An apparatus for supercooling is disclosed. The apparatus for supercooling, comprises: a first storage space having a sub-zero temperature region; a second storage space having a temperature region different from that of the first storage space; and a container located throughout the first and second storage spaces, for storing food containing liquid or liquid.

Description

APPARATUS FOR SUPERCOOLING

Technical Field

[1] The present invention relates to an apparatus for supercooling, and more particularly, to an apparatus for supercooling which stores water in a supercooled state so that water in a container begins to change in phase when a user applies a shock to the container storing the water therein to nix ice crystals and liquid and convert the mixture into a slush state. Further, the present invention relates to an apparatus for supercooling which is applied to a freezing chamber of a general refrigerator, for storing water in a supercooled state. Background Art

[2] Supercooling means that a molten object or a solid cooled below a phase transition temperature in a balanced state is not changed. Each material has stable states in each temperature. If the temperature is slowly varied, elements of the material maintain the stable states in each temperature and accompany the variations of the temperature. However, if the temperature is sharply varied, the elements cannot be changed into the stable states in each temperature. Therefore, the elements of the material maintain the stable state of the start temperature, or some of the elements fail to be changed into the state of the final temperature.

[3] For example, when water is slowly cooled, it is not frozen temporarily at a temperature below 0⁰C. However, when water is supercooled, it has a kind of quasi- stable state. As this unstable balanced state is broken even by a slight stirailus, water tends to be changed into a more stable state. That is, if a small piece of material is put into the supercooled liquid, or if the liquid is suddenly shaken, the liquid is directly frozen so that the temperature of the liquid can reach the freezing point. Accordingly, the liquid maintains a stable balanced state at the temperature.

[4] In general, an electrostatic atmosphere is made in a refrigerator, and meats and fishes are thawed in the refrigerator at a minus temperature. In addition, fruits are kept fresh in the refrigerator.

[5] This technology uses supercooling. Supercooling means that a molten object or a solid cooled below a phase transition temperature in a balanced state is not changed.

[6] This technology is mentioned in Kjrea Laid-Open Patent Official Gazette

2000-0011081 disclosing an electrostatic field processing method, an electrostatic field processing apparatus, and electrodes therefor. [7] Fig. 1 is a view illustrating an errbodiment of a conventional apparatus for thawing and freshness keeping. A cooling box 1 includes an insulation 2 and an outer wall 5. A temperature control device (not shown) is installed in the cooling box 1. A metal shelf 7 installed in the cooling box 1 has a two layer structure. Vegetables, meats or marine products are mounted on each layer for thawing, freshness keeping or ripening. The metal shelf 7 is isolated from the bottom of the cooling box 1 by insulators 9. A high voltage generating device 3 can generate 0 to 5000V of DC and AC voltages. The inner surface of the insulation 2 is covered with an insulating plate 2a such as vinyl chloride. A high voltage cable 4 for outputting the voltage of the high voltage generating device 3 accesses the metal shelf 7 through the outer wall 5 and the insulation 2.

[8] When the user opens a door 6 installed on the front surface of the cooling box 1, a safety switch 13 (refer to Fig. 2) is turned off to block the output of the high voltage generating device 3.

[9] Fig. 2 is a circuit view illustrating the circuit configiration of the high voltage generating device 3. 100V of AC is supplied to a primary side of a voltage adjusting transformer 15. Reference numeral 11 denotes a power lamp and 19 denotes an operation state lamp. When the door 6 is closed and the safety switch 13 is on, a relay 14 is operated. The operation of the relay 14 is displayed by a relay operation lamp 12. Relay contact points 14a, 14b, and 14c are closed by the operation of the relay 14, and 100V of AC is applied to the primary side of the voltage adjusting transformer 15.

[10] The applied voltage is adjusted by an adjusting knob 15a at a secondary side of the voltage adjusting transformer 15. The adjusted voltage is displayed on a voltmeter. The adjusting knob 15a is connected to a primary side of a boosting transformer 17 at the secondary side of the voltage adjusting transformer 15. The boosting transformer 17 boosts a voltage at a rate of 1:50. For example, when 60V of voltage is applied, it is boosted to 3000V.

[11] One end O of the secondary side output of the boosting transformer 17 is connected to the metal shelf 7 isolated from the cooling box 1 through the high voltage cable 4, and the other end O of the output is earthed. Since the outer wall 5 is earthed, if the user contacts the outer wall 5 of the cooling box 1, he/she does not receive an electric shock. In Fig. 1, the metal shelf 7 exposed in the cooling box 1 must be maintained in an insulated state. It is thus necessary to separate the metal shelf 7 from the walls of the cooling box 1 (the air performs insulation). If the contents 8 mounted on the metal shelf 7 contact the walls of the cooling box 1, the current flows to the ground through the walls of the cooling box 1. Drop of the applied voltage is prevented by adhering the insulating plate 2a to the inner walls. When the metal shelf 7 is not exposed but covered with vinyl chloride, an electric field atmosphere is made in the whole cooling box 1.

[12] In the conventional art, since an electric field or a magnetic field is applied to the contents to be cooled and stored so that the contents can enter a supercooled state, a complicated apparatus for generating an electric field or a magnetic field should be provided in order to house the contents in the supercooled state, and a high power consumption for the generation of an electric field or a magnetic field is required. In addition, such an apparatus for generating an electric field or magnetic field has to additionally have an apparatus (for example, an electric field or magnetic field shielding structure, interrupting device, etc.) for the user safety upon generation and interception of an electric field or magnetic field due to high power. Disclosure of Invention Technical Problem

[13] An object of the present invention is to provide an apparatus for supercooling which can prevent the formation of ice crystals by placing a container for storing food or liquid all over storage spaces having different temperature regions.

[14] Another object of the present invention is to provide an apparatus for supercooling which can maintain a high temperature at the upper part of the container by means of an insulating material and prevent the formation of ice crystals by forming the insulator at a large thickness and placing the upper part of the container inside the insulating material.

[15] Yet another object of the present invention is to provide an apparatus for supercooling which can prevent the formation of ice crystals at the upper part of the container as the upper part of the container is placed outside the freezing chanter and stored in an ambient temperature. Technical Solution

[16] In order to achieve the above-described objects of the invention, there is provided an apparatus for supercooling, comprising: a first storage space having a sub-zero temperature region; a second storage space having a temperature region different from that of the first storage space; and a container located throughout the first and second storage spaces, for storing food containing liquid or liquid.

[17] In another aspect of the present invention, the second storage space has a temperature region higher than a temperature region of the maximum ice crystal generation zone.

[18] In yet another aspect of the present invention, the second storage space has an ardbient temperature region.

[19] In yet another aspect of the present invention, the first storage space is insulated by an insulating material.

[20] Additionally, there is provided an apparatus for supercooling according to the present invention, comprising: a casing providing a cooling space for storing food and liquid at a temperature below O⁰C and including an insulating material layer; and a container insertion groove formed on one surface the cooling space of the casing. By this configuration, a simple structure is added upon foaming of the casing to easily form a space having a temperature higher than that of the cooling space, thereby enabling the insertion of part of the container.

[21] In another aspect of the present invention, of the insulating material layer of the casing, the part where the container insertion groove is formed is thicker than the other parts. By this configuration, the insulation performance between the cooling space and the outside can be maintained in spite of the formation of the container insertion groove.

[22] Additionally, there is provided an apparatus for supercooling according to the present invention, comprising: a cooling chamber for providing cool air and storing food; and a supercooling charrfcer projected outward from the cooling chamber, for inserting a container for storing food and beverages. By this configuration, it is possible to prevent the formation of ice crystals on the upper part of the container due to outside air of the ambient temperature without having a separate heat source.

[23] In another aspect of the present invention, the supercooling charrber comprises an opening formed on the top surface, through which the container is inserted.

[24] In yet another aspect of the present invention, the supercooling chanter comprises a sealing member located around the opening, for sealing the gap between the container and the opening. By this configuration, the efficiency of the supercooling apparatus can be improved by preventing outside air of the arrbient air from flowing into the supercooling chamber or preventing the cool air of the supercooling chairfoer from flowing out.

[25] In yet another aspect of the present invention, the sealing member is made of an elastic material in an approximately ring shape.

[26] In yet another aspect of the present invention, the apparatus for supercooling further comprises a cool air passage for introdxing cool air into the supercooling chamber. The cool air passage may be comprised of, for example, a duct or the like. By this configuration, the supercooling chamber can be stably maintained in a low temperature state.

[27] In yet another aspect of the present invention, the apparatus for supercooling further comprises a valve located on the passage, for controlling the cool air introduced into the supercooling chanter. By this configuration, cool air can be controlled to be introduced into the supercooling chamber only when the container is kept in the supercooling chanrber.

[28] In yet another aspect of the present invention, the supercooling chamber is partitioned off into a plurality of spaces for storing the container, and has an opening for inserting the container formed on the top surface of the partitioned spaces.

[29] In yet another aspect of the present invention, the apparatus for supercooling further comprises a plurality of cool air passages for introducing cool air into the plurality of spaces, respectively.

[30] In yet another aspect of the present invention, the apparatus for supercooling further comprises a plurality of valves provided on the plurality of cool air passages, for controlling the respective cool air passages.

[31] In yet another aspect of the present invention, the apparatus for supercooling further comprises an evaporator tightly coupled or attached to at least one surface of the supercooling chamber, through which refrigerant flows.

[32] In yet another aspect of the present invention, the supercooling chanter is taken out of the cooling chanter. By this configuration, when the food or liquid stored in the container is stored in a non-supercooled state, the supercooling chamber can be inserted into the cooling chairber, thus making the exterior flat.

[33] In yet another aspect of the present invention, the supercooling chamber is taken out from the cooling chanter in a drawer fashion.

[34] In yet another aspect of the present invention, the supercooling chamber is taken out of the cooling chamber in a manner that the upper part of the supercooling chamber descends at a predeternϊned angle.

[35]

Advantageous Effects

[36] In the apparatus for supercooling provided in the present invention, a container for storing food or liquid is located in a space having two different temperature regions, and the liquid does not form any ice crystals and can be maintained in a supercooled state. [37] In the apparatus for supercooling provided in the present invention, a temperature region where liquid does not form ice crystals is prepared within the casing by foaning some region of the casing at a large thickness upon foaning of the casing, thus making it easy to prepare a relatively high temperature region. [38] In the apparatus for supercooling provided in the present invention, the upper part of the container is located in the relatively high temperature region by adjusting the foaming thickness of an insulating material, thus enabling it to elininate a separate structure for insulation from a low temperature region. [39] In the apparatus for supercooling provided in the present invention, the container is exposed to outside air outside the supercooling apparatus, thus preventing the formation of ice crystals without adding a separate heat source. [40]

Brief Description of the Drawings [41] Fig. 1 is a view illustrating an embodiment of a conventional apparatus for thawing and freshness keeping; [42] Fig. 2 is a circuit view illustrating the circuit configuration of the high voltage generating device; [43] Fig. 3 is a view showing a process of forming freezing nuclei in a liquid being cooled; [44] Fig. 4 is a view showing a process of preventing formation of freezing nuclei applied to the apparatus for supercooling according to the present invention; [45] Fig. 5 is a graph showing a supercooled state of water according to Fig. 4;

[46] Fig. 6 is a view illustrating an apparatus for supercooling according to a first embodiment of the present invention; and [47] Fig. 7 is a view illustrating an apparatus for supercooling according to a second embodiment of the present invention. [48]

Mode for the Invention

[49] The present invention will now be described in detail with reference to the accompanying drawings. [50] Fig. 3 is a view showing a process of forπing freezing nuclei in a liquid being cooled. [51] As shown in Fig. 3, a container C accommodating a liquid is cooled in a cooling space S. [52] It is assumed that a cooling temperature of the cooling space S is cooled, for example, from an airbient temperature down to 0⁰C (phase transition temperature of water) or below a phase transition temperature of the liquid L. When this cooling is performed, a supercooled state of water or liquid L is maintained, for example, below a temperature (-1 to -5°C) of the maximum ice crystal generation zone of water in which a maximum amount of ice crystals is generated or at a cooling temperature below the maximum ice crystal generation zone of liquid L.

[53] During this cooling, evaporation from the liquid L occurs, and thus a vapor Wl is introduced into a gas ^r space) Lg within the container C. If the container C is closed by a lid Ck, the gas Cg may turn into a supersaturated state die to the evaporated vapor Wl. However, in the present specification, the container C may selectively comprise a lid Ck, and if included, this can prevent direct introduction of cool air of a cooling space or prevent the temperature of the surface of the liquid L or the temperature of the gas Lg above the surface from being cooled by cool air to a certain extent.

[54] As the cooling temperature reaches or passes through a temperature of the maximum ice crystal generation zone of liquid L, freezing nuclei Fl are formed in the gas Lg or freezing nuclei F2 are formed on the inner wall of the container. Alternatively, condensation occurs at a portion where the surface Ls of the liquid L and the inner wall of container C (almost matching to the cooling temperature of the cooling space S), and this condensed liquid L may be formed as freezing nuclei F3 which are ice crystals.

[55] For instance, the freezing nuclei Fl in the gas Lg descend and permeate the liquid L through the surface Ls, the supercooled state of the liquid L is released to cause freezing of the liquid L, thereby releasing the supercooling of the liquid L.

[56] Alternatively, as the freezing nuclei F3 are brought into contact with the surface Ls of the liquid L, the supercooled state of the liquid L is released to cause freezing of the liquid L.

[57] As described above, in the process of forπing freezing nuclei (Fl to F3), when the liquid L is housed at a temperature below the maximum ice crystal generation zone of the liquid L, vapor is evaporated from the liquid L, and hence the supercooled state of the liquid L is released due to the freezing of the vapor on the surface Ls of the liquid L and the freezing of the vapor on the inner wall of the container C near the surface Ls of the liquid L.

[58] Fig. 4 is a view showing a process of preventing formation of freezing nuclei applied to the apparatus for supercooling according to the present invention.

[59] In Fig. 4, in order to continuously maintain a vapor Wl state by preventing freezing of vapor Wl in the gas Lg, the temperature on the surface Ls of the gas Lg or liquid L is higher than the temperature of the maximum ice crystal generation zone of the liquid L, more preferably, the phase transition temperature of the liquid L. Further, in order to prevent freezing when the surface Ls of the liquid L is brought in contact with the inner wall of the container C, the temperature of the surface Ls of the liquid L is higher than the temperature of the maximum ice crystal generation zone of the liquid L, more preferably, the phase transition temperature of the liquid L.

[60] Accordingly, the liquid L in the container C maintains a supercooled state at a temperature below the phase transition temperature or below the maximun ice crystal generation zone of the liquid L.

[61] Fig. 5 is a graph showing a supercooled state of water according to Fig. 4. The graph of Fig. 5 is a temperature graph measured in a state the principle according to Fig. 4 is applied when the liquid L is water.

[62] As shown in Fig. 5, line I denotes a cooling temperature curve of the cooling space S, line II denotes a temperature curve of the gas Lg (air) above or on the water surface in the container C, and line III denotes a temperature of the outer surface of the container C. The temperature of the outer surface of the container C is substantially the same as the temperature of the water in the container C.

[63] As shown therein, when the cooling temperature is maintained at about -13 to -14°C

(refer to line I), if the temperature of the gas Lg above or on the water surface in the container C is maintained at about 4 to 6°C which is higher than the temperature of the maximum ice crystal generation zone of water, a supercooled state for maintaining a liquid state is stably maintained for a long time while maintaining the temperature of the water in the container C at about -11⁰C which is below a temperature of the maximum ice crystal generation zone of water.

[64] Fig. 6 is a view illustrating an apparatus for supercooling according to a first embodiment of the present invention. The supercooling apparatus 1000 comprise a freezing chairber 1100 maintained at a temperature below 0⁰C by receiving a cool air by a freezing cycle (not shown) and a refrigerating chamber 1200 maintained at a temperature lower than the arrbient temperature. A main body 1500 of the supercooling apparatus 1000 is foam-molded from an insulating material, and partitioned off into the freezing chairber 1100 and the refrigerating chamber 1200 upon foam- molding. A freezing chamber door 1300 and a refrigerating charrber door 1400 are provided on the front face of the main body 1500 for opening and closing the freezing charrber 1100 and the refrigerating charrber 1200, respectively. [65] In order to maintain the freezing chaπber 1100 and the refrigerating charrber 1200 at a low temperature, the main body 1500 is foamed with a foaming agent with a sufficient thickness so that the freezing charrber 1100 and the refrigerating charrber 1200 are not affected by the outside air of the arrbient temperature. At this time, the foarring agent of a predetermined region 1510 at the freezing charrber 1110 side maintained at a temperature below 0°Chas a larger thickness than the other regions of the main body 1500. The temperature of the inner surface of the main body 1500 is identical to the inside temperature of the freezing charrber 1100, and the temperature of the outer surface of the main body is identical to the arrbient temperature. Thus, the rriddle portion of the main body 1500 linearly increases in temperature as it goes farther from the inner surface to the outer surface. Since the thickness of the foanϊng agent in the predetermined region 1510 is larger than that of the other regions of the main body 1500, it has a wide area having a temperature πϊdway between 0⁰C and the arrbient temperature.

[66] In addition, the predeterrrined region 1510 is provided with a container insertion groove 1512 for inserting a container 200. When the container 200 is inserted into the container insertion groove 1512, the lower part of the container 200 is maintained at a temperature below 0⁰C due to the effect of the freezing chamber 1100, and the upper part of the container 200 is maintained at a temperature of the middle portion of the main body 1500. Although the temperature of the upper part of the container 200 may be varied according to the thickness of the foarring agent of the predeterrrined region 1510 and the depth of the container insertion groove 1512, it is preferred that the upper part of the container 200 has such a temperature as not to form ice crystals of the liquid contained in the container. Moreover, it is preferred that the upper part of the container 200 has such a temperature as not to freeze the liquid by thawing ice crystals, if any, at the upper part of the liquid.

[67] If the container 200 is not inserted into the container insertion groove 1512, the cool air of the freezing chairber 1100 flows into the container insertion groove 1512, and thus the temperature in the container insertion groove 1512 becomes identical to that of the freezing charrber 1100. On the contrary, if the container 200 is inserted into the container insertion groove 1512, the cool air of the freezing charrber 1100 is blocked, and thus the temperature in the container insertion groove 1512 rises to a temperature of the rriddle region between the temperature in the freezing charrber 1100 and an outside air temperature.

[68] The upper part of the container insertion groove 1512 may be provided with a fixing merrber (not shown), such as a holder, for fixing the container 200, and the lower part of the container insertion groove 1512 may be provided with a sealing member (not shown) for blocking the cool air of the freezing chairber 1100.

[69] Fig. 7 is a view illustrating an apparatus for supercooling according to a second enbodiment of the present invention. The supercooling apparatus 1000 comprises a cooling chaπber 1100 maintained at a temperature below 0⁰C and a supercooling chamber 1200 storing a container 200 for storing liquid or food desired to be stored in a supercooled state. The cooling chanter 1100 and the supercooling chairber 1200 do not necessarily have to be separated from each other, and the supercooling chamber 1200 includes a space maintained at a temperature below 0⁰C and refers to a space used for the purpose of preserving liquid or food in a supercooled state. The supercooling chaπber 1200 is installed to be taken out of the cooling chamber 1100. Fig. 7 illustrating the first embodiment of the present invention illustrates an apparatus for supercooling having a drawer-type supercooling charrber 1200 formed in a kimchi refrigerator-type cooling chamber 1100. However, the cooling charrber 1100 may be a general refrigerator type or in any form capable of storing food at a low temperature, and the supercooling chairber 1200 may be in any form, such as a drawer type or a rotating type whose one axis is fixed by a hinge, which can be taken out of the cooling chamber 1100.

[70] A cool air passage 1210 for introducing cool air from the cooling chaπber 1100 or an evaporator (not shown) is connected to the supercooling chaπber 1200 because the supercooling charrber 1200 has to be maintained at a temperature below 0⁰C. The cool air passage 1210 is provided with a valve 1220 for controlling the introduction of cool air into the supercooling chamber 1200. When there is no food or liquid stored in the supercooling chamber 1200, that is, the supercooling chamber 1200 is not used, the energy efficiency of the superocoling apparatus 1000 can be improved by blocking the introduction of cool air into the supercooling chaπber 1200 and cooling the cooling chaπber 1100 alone.

[71] In addition to the formation of the cool air passage 1210 and the valve 1220, it is also possible to directly cool the supercooling chaπber 1200 by extending part of the evaporator (not shown) so as to be in contact with the supercooling chamber 1200.

[72] The supercooling chaπber 1200 is partitioned off into a plurality of spaces by a partition. The cool air passage 1210 is connected to the respective partitioned spaces, and the valve 1220 is provided on the cool air passage 1210. By this configuration, when food or liquid is stored only at some part of the supercooling chaπber 1200, the energy efficiency can be improved by supplying cool air to maintain only the some part at a temperature below 0⁰C and blocking the supply of the cool air to other parts. Further, in order to improve the cooling performance of the supercooling charrber 1200 and the cooling performance of the respective partitioned spaces, the casing and partitions forming the exterior of the supercooling charrber 1200 are preferably formed of an insulating material.

[73] Additionally, an opening 1230 through which the container 200 is inserted is formed on the top surface of the supercooling chamber 1200. It is preferred that one or a plurality of openings 1230 is formed in the partitioned spaces. When the container 200 is inserted through the opening 1230, the lower part of the container 200 is located in the supercooling chairber 1200 in which it is maintained at a temperature below 0⁰C, and the upper part of the container 200 is exposed to outside air having the arrbient temperature. That is, the lower part of the container 200 is located in a sub-zero temperature region, and the upper part of the container 200 is located in an arrbient temperature region. Accordingly, as can be seen from the above-described principle, it is possible to prevent the formation of ice crystals on the upper part of the container 200 and prevent the freezing of the food or liquid stored in the container 200. Therefore, the food stored in the container 200 can be preserved in a supercooled state. Preferably, a sealing member (not shown) for sealing the gap between the container 200 and the opening 1230 is formed around the opening 1230. The sealing member (not shown) prevents the cool air of the supercooling charrber 1200 from flowing out through the gap and prevents the outside air of the arrbient temperature from flowing into the supercooling charrber 1200, thereby improving the supercooling efficiency and the supercooling stability.

[74]

Claims

[1] An apparatus for supercooling, comprising: a first storage space having a sub-zero temperature region; a second storage space having a temperature region different from that of the first storage space; and a container located throughout the first and second storage spaces, for storing food containing liquid or liquid.

[2] The apparatus for supercooling of claim 1, wherein the second storage space has a temperature region higher than a temperature region of the maximum ice crystal generation zone.

[3] The apparatus for supercooling of claim 2, wherein the second storage space has an ambient temperature region.

[4] The apparatus for supercooling of claim 1, wherein the first storage space is insulated by an insulating material.

[5] An apparatus for supercooling, comprising: a casing providing a cooling space for storing food and liquid at a temperature below 0⁰C and including an insulating material layer; and a container insertion groove formed on one surface the cooling space of the casing.

[6] The apparatus for supercooling of claim 5, wherein, of the insulating material layer of the casing, the part where the container insertion groove is formed is thicker than the other parts.

[7] An apparatus for supercooling, comprising: a cooling chanter for providing cool air and storing food; and a supercooling chamber projected outward from the cooling chamber, for inserting a container for storing food and beverages.

[8] The apparatus for supercooling of claim 7, wherein the supercooling charrber comprises an opening formed on the top surface, through which the container is inserted.

[9] The apparatus for supercooling of claim 8, wherein the supercooling chamber comprises a sealing member located around the opening, for sealing the gap between the container and the opening.

[10] The apparatus for supercooling of claim 9, wherein the sealing member is made of an elastic material in an approximately ring shape.

[11] The apparatus for supercooling of claim 7, further comprising a cool air passage for introducing cool air into the supercooling charrber.

[12] The apparatus for supercooling of claim 11, wherein further comprising a valve located on the passage, for controlling the cool air introduced into the supercooling chanter.

[13] The apparatus for supercooling of claim 7, wherein the supercooling chamber is partitioned off into a plurality of spaces for storing the container, and has an opening for inserting the container formed on the top surface of the partitioned spaces.

[14] The apparatus for supercooling of claim 13, further comprising a plurality of cool air passages for introducing cool air into the plurality of spaces, respectively.

[15] The apparatus for supercooling of claim 14, further comprising a plurality of valves provided on the plurality of cool air passages, for controlling the respective cool air passages.

[16] The apparatus for supercooling of claim 7, further comprising an evaporator tightly coupled or attached to at least one surface of the supercooling chanter, through which refrigerant flows.

[17] The apparatus for supercooling of any of claims 7 to 16, the supercooling chamber is taken out of the cooling chanter.

[18] The apparatus for supercooling of claim 17, wherein the supercooling chanter is taken out from the cooling chamber in a drawer fashion.

[19] The apparatus for supercooling of claim 17, wherein the supercooling chamber is taken out of the cooling chanter in a manner that the upper part of the supercooling chamber descends at a predetermined angle.