KR100333913B1 - A cooling apparatus of vending mechine - Google Patents
A cooling apparatus of vending mechine Download PDFInfo
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- KR100333913B1 KR100333913B1 KR1020000035251A KR20000035251A KR100333913B1 KR 100333913 B1 KR100333913 B1 KR 100333913B1 KR 1020000035251 A KR1020000035251 A KR 1020000035251A KR 20000035251 A KR20000035251 A KR 20000035251A KR 100333913 B1 KR100333913 B1 KR 100333913B1
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- South Korea
- Prior art keywords
- capillary tube
- vending machine
- coolers
- cooler
- compressor
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- 238000001816 cooling Methods 0.000 title claims abstract description 29
- 238000005057 refrigeration Methods 0.000 claims abstract description 20
- 239000003507 refrigerant Substances 0.000 claims abstract description 19
- 238000010792 warming Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 230000006866 deterioration Effects 0.000 abstract description 3
- 230000002542 deteriorative effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 235000013361 beverage Nutrition 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 235000012171 hot beverage Nutrition 0.000 description 1
Classifications
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
- G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
- F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Physics & Mathematics (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
본 발명은 자동판매기의 냉각장치에 관한 것으로, 보다 상세하게는 냉장 및 온장을 겸하기 위해서 하나의 압축기에 냉각기 2개를 병렬로 설치한 자동판매기에서, 냉각기 2개가 동시에 가동될 때와 2개의 냉각기중 한개만 가동될 때 발생하는 모세관의 냉매 처리능력 불균형을 개선하는 자동판매기의 냉각장치에 관한 것이다.The present invention relates to a cooling device for a vending machine, and more particularly, in a vending machine in which two coolers are installed in parallel in one compressor to serve as refrigeration and warming, when two coolers are operated simultaneously and two coolers are used. The present invention relates to a cooling machine of a vending machine that improves the imbalance of the refrigerant processing capacity of the capillary tube generated when only one of them is operated.
본 발명의 목적은 압축기 능력이 일정한 냉각장치에서 냉각기 2개를 병렬로 설치하여 사용하는 경우, 냉각기 2개가 동시에 가동될 때와 냉각기 한개만이 가동될 때 발생하는 모세관의 처리능력 불균형으로 인한 냉장상품의 변질을 막고, 압축기의 내구성 저하를 방지한 자동판매기의 냉각장치를 제공하는데 있다.An object of the present invention is to provide a refrigerated product due to unbalanced capillary capacity generated when two coolers are operated simultaneously and only one cooler is operated when two coolers are installed in parallel in a cooling device having a constant compressor capacity. It is to provide a cooling device for a vending machine that prevents deterioration of the compressor and prevents the compressor from deteriorating in durability.
상기 목적을 달성하기 위한 본 발명은, 압축기(10)와, 응축기(20)와, 어큐물레이터(30)와, 제1,제2 냉각기(41,42)와, 제1,제2 밸브(51,52) 및 제1,제2 모세관(61,62)이 구비되고, 냉장 전용의 제1 냉장실(1)과 냉장 및 온장 겸용의 제2 냉장실(2)을 가진 자동판매기의 냉각장치에 있어서,The present invention for achieving the above object, the compressor 10, the condenser 20, the accumulator 30, the first and second coolers (41, 42), the first and second valves ( 51, 52 and the first and second capillary tubes (61, 62), the refrigeration apparatus of the vending machine having a first refrigerating chamber (1) for refrigeration and a second refrigerating chamber (2) for refrigeration and warming. ,
상기 제1 냉각기(41)에 연결된 제3 모세관(63)과, 상기 제3 모세관(63)과 연결되며 배관(70)을 통해 상기 응축기(20)에 연결되는 제3 밸브(53)로 구성된 것을 특징으로 한다.A third capillary tube 63 connected to the first cooler 41 and a third valve 53 connected to the third capillary tube 63 and connected to the condenser 20 through a pipe 70. It features.
Description
본 발명은 자동판매기의 냉각장치 제어방법에 관한 것으로, 보다 상세하게는 냉장 및 온장을 겸하기 위해서 하나의 압축기에 냉각기 2개를 병렬로 설치한 자동판매기에서, 냉각기 2개가 동시에 가동될 때와 2개의 냉각기중 한개만 가동될 때 발생하는 모세관의 처리능력 불균형을 개선하는 자동판매기의 냉각장치에 관한 것이다The present invention relates to a cooling machine control method of a vending machine, and more particularly, in a vending machine in which two coolers are installed in a single compressor in parallel to serve as refrigeration and warming, when two coolers are operated simultaneously and 2 To an automatic vending machine cooling system that improves the processing capacity imbalance of the capillary tube generated when only one of the two coolers is operated.
일반적으로 자동판매기는 판매되는 상품의 종류에 따라 음료를 판매하기 위한 것과 휴지나 담배 등을 판매하기 위한 것과 복권 등을 판매하기 위한 것으로 분류할 수 있다. 음료를 판매하기 위한 자동 판매기는 캔이나 병 등에 들어있는 음료를 판매하는 것과 컵을 이용하여 판매하는 것으로 분류할 수 있는데, 캔이나 병 등에 들어 있는 음료를 판매하는 자동판매기에는 냉각장치 및 히터가 설치되어 있어 소비자의 요구에 따라 시원한 음료와 따뜻한 음료를 제공하고 있다.In general, the vending machine can be classified into one for selling drinks, one for selling tissues, cigarettes, etc., and one for selling lottery tickets, depending on the type of merchandise being sold. Vending machines for the sale of beverages can be categorized as those selling cans or bottles and those using cups. Vending machines that sell cans or bottles are equipped with chillers and heaters. It offers cool and hot drinks according to the needs of consumers.
이러한 냉장 및 온장 겸용 자동판매기의 냉각장치는 도 3에 도시된 바와 같이, 압축기(10), 응축기(20), 어큐물레이터(30), 제1 냉장실에 설치되는 제1 냉각기(41)와 제2 냉장실에 설치되는 제2 냉각기(42) 등을 주요 구성품으로 한다. 냉매는 압축기(10)에서 압축되어 고온 고압의 상태로 응축기(20)에 도달되고, 응축기(20)에서 팬모터에 의한 방열로 저온의 액체상태가 되어 배관(70)을 통해서 제1,제2 밸브(51,52) 및 제1,제2 모세관(61,62)을 지나 제1,제2 냉각기(41,42)에서 제1,제2 팬모터에 의해 주위의 열을 빼앗으며 기화되어 제1 냉장실과 제2 냉장실을 냉각시키고, 어큐물레이터(30)를 거쳐 다시 압축기(10)에 유입된다.As shown in FIG. 3, the cooling device of the refrigerating and warming vending machines includes a first cooler 41 and a first cooler 41 installed in the compressor 10, the condenser 20, the accumulator 30, and the first refrigerating chamber. 2 The main components are the 2nd cooler 42 etc. which are provided in a refrigerator compartment. The refrigerant is compressed by the compressor 10 and reaches the condenser 20 in a state of high temperature and high pressure. The refrigerant is cooled to a low temperature liquid state by heat dissipation by a fan motor in the condenser 20, and then passes through the pipe 70. After the valves 51 and 52 and the first and second capillaries 61 and 62, the first and second fan motors are vaporized by taking the surrounding heat from the first and second coolers 41 and 42. The first refrigerator compartment and the second refrigerator compartment are cooled, and then flowed back into the compressor 10 via the accumulator 30.
그런데 제1 냉장실과 제2 냉장실을 모두 냉장용으로 사용하여 제1냉각기(41)와 제2 냉각기(42)가 동시에 가동될 때에는 제1 밸브(51)와 제2 밸브(52)가 모두 개방되어 제1 모세관(61)과 제2 모세관(62)을 함께 사용하므로 모세관의 냉매 처리능력이 균형을 이루어 효과적인 냉각이 가능하나, 냉장 및 온장 겸용으로 사용할 수 있는 제2 냉장실을 온장의 기능으로 사용하게 되면 제2 냉장실에 내장된 히터(미도시)가 가동되어 제2 냉각기(42)는 가동할 필요가 없으므로 정지하게 되고 동시에 제2 모세관(62)을 연결하는 제2 밸브(52)가 폐쇄되므로, 제1 냉각기(41)와 제1 모세관(61)만 동작하게 되는데, 압축기(10)에서 응축기(20)를 거쳐 제1 모세관(61)을 통과하는 냉매의 양은 제1 모세관(61)과 제2 모세관(62)을 동시에 사용할 때와 동일하므로 제1 모세관(61)의 냉매 처리능력 불균형을 초래하여 냉각성능이 저하된다.However, when both of the first refrigerator compartment and the second refrigerator compartment are used for refrigeration and the first cooler 41 and the second cooler 42 are operated at the same time, both the first valve 51 and the second valve 52 are opened. Since the first capillary tube 61 and the second capillary tube 62 are used together, the cooling capacity of the capillary tube is balanced so that effective cooling is possible, but the second refrigerating chamber that can be used for both cooling and warming functions as a function of warming. When the heater (not shown) built in the second refrigerating chamber is operated, the second cooler 42 does not need to be operated, and thus stops, and at the same time, the second valve 52 connecting the second capillary tube 62 is closed. Only the first cooler 41 and the first capillary tube 61 are operated. The amount of the refrigerant passing through the first capillary tube 61 through the condenser 20 in the compressor 10 is the first capillary tube 61 and the second capillary tube 61. It is the same as when using the capillary tube 62 at the same time, so the refrigerant capacity of the first capillary tube 61 is not available. It causes a balance and lowers cooling performance.
자동판매기 냉각장치의 전체 성능은 제1 모세관(61)과 제2 모세관(62)을 동시에 사용할 때의 냉매 처리능력을 기준으로 설계되었는데, 제2 모세관(62)이 폐쇄되면 제1 모세관(61)과 제2 모세관(62)이 함께 처리하였던 냉매를 제1 모세관(61)이 혼자서 처리해야 하므로 모세관의 냉매 처리능력이 불균형을 이루게 되어, 냉각성능이 저하되고 상품의 보존온도가 부적절해지며 압축기(10)의 내구성도 저하되는 문제가 있었다.The overall performance of the vending machine cooling system is designed based on the refrigerant handling capacity when the first capillary tube 61 and the second capillary tube 62 are used simultaneously. When the second capillary tube 62 is closed, the first capillary tube 61 is closed. Since the first capillary 61 must process the refrigerant that was treated together with the second capillary tube 62 alone, the capillary's refrigerant processing ability is imbalanced, resulting in a decrease in cooling performance and an inappropriate storage temperature of the product. There was a problem that the durability of 10) was also lowered.
본 발명은 상기와 같은 문제점을 해결하기 위해 창안된 것으로서, 압축기 능력이 일정한 냉각장치에서 냉각기 2개를 병렬로 설치하여 사용하는 경우, 냉각기 2개가 동시에 가동될 때와 냉각기 한개만이 가동될 때 발생하는 모세관의 처리능력불균형으로 인한 냉장상품의 변질을 막고, 압축기의 내구성 저하를 방지한 자동판매기의 냉각장치를 제공하는데 있다.The present invention was devised to solve the above problems, and when two coolers are installed in parallel in a cooling device having a constant compressor capacity, they occur when two coolers are operated at the same time and only one cooler is operated. It is to provide a cooling device of a vending machine that prevents the deterioration of refrigerated goods due to the imbalance of the processing capacity of the capillary tube, and prevents the durability of the compressor.
상기 목적을 달성하기 위한 본 발명은, 압축기(10)와, 응축기(20)와, 어큐물레이터(30)와, 제1,제2 냉각기(41,42)와, 제1,제2 밸브(51,52) 및 제1,제2 모세관(61,62)이 구비되고, 냉장 전용의 제1 냉장실(1)과 냉장 및 온장 겸용의 제2 냉장실(2)을 가진 자동판매기의 냉각장치에 있어서,The present invention for achieving the above object, the compressor 10, the condenser 20, the accumulator 30, the first and second coolers (41, 42), the first and second valves ( 51, 52 and the first and second capillary tubes (61, 62), the refrigeration apparatus of the vending machine having a first refrigerating chamber (1) for refrigeration and a second refrigerating chamber (2) for refrigeration and warming. ,
상기 제1 냉각기(41)에 연결된 제3 모세관(63)과, 상기 제3 모세관(63)과 연결되며 배관(70)을 통해 상기 응축기(20)에 연결되는 제3 밸브(53)로 구성된 것을 특징으로 한다.A third capillary tube 63 connected to the first cooler 41 and a third valve 53 connected to the third capillary tube 63 and connected to the condenser 20 through a pipe 70. It features.
도 1은 본 발명에 따른 냉각장치가 구비된 자동판매기 냉장실의 개략적인 사시도,1 is a schematic perspective view of a vending machine refrigeration room equipped with a cooling device according to the present invention;
도 2는 본 발명에 따른 냉각장치의 구성도,2 is a block diagram of a cooling apparatus according to the present invention,
도 3은 종래의 냉각장치 구성도.3 is a configuration diagram of a conventional cooling device.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>
1: 제1 냉장실 2: 제2 냉장실1: first refrigerator compartment 2: second refrigerator compartment
10: 압축기 20: 응축기10: compressor 20: condenser
30: 어큐물레이터 41: 제1 냉각기30: accumulator 41: first cooler
42: 제2 냉각기 43: 제1 팬모터42: second cooler 43: first fan motor
44: 제2 팬모터 51: 제1 밸브44: second fan motor 51: the first valve
52: 제2 밸브 53: 제3 밸브52: second valve 53: third valve
61: 제1 모세관 62: 제2 모세관61: first capillary 62: second capillary
63: 제3 모세관 70: 배관63: third capillary 70: piping
이하, 본 발명의 바람직한 실시 예에 대해 첨부된 도면을 참조하여 상세하게 설명하기로 한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 냉각장치가 구비된 자동판매기 냉장실의 개략적인 사시도이고, 도 2는 본 발명에 따른 냉각장치의 구성도이다. 도 1과 도2에 도시된바와 같이 본 발명의 냉각장치는 냉매를 압축하는 압축기(10)와, 증기상태의 냉매를 액화하는 응축기(20)와, 어큐물레이터(30)와, 냉장전용인 제1 냉장실(1)에 설치되는 제1 냉각기(41)와, 냉장 및 온장 겸용인 제2 냉장실에 설치되는 제2 냉각기(42)와, 제1 냉각기(41)에 부착된 제1 팬모터(43)와, 제2 냉각기(42)에 부착된 제2 팬모터(44) 등을 주요 구성품으로 한다.1 is a schematic perspective view of a vending machine refrigeration room equipped with a cooling device according to the present invention, Figure 2 is a block diagram of a cooling device according to the present invention. As shown in Figs. 1 and 2, the cooling apparatus of the present invention includes a compressor 10 for compressing a refrigerant, a condenser 20 for liquefying a refrigerant in a vapor state, an accumulator 30, and refrigeration only. The first cooler 41 installed in the first refrigerating compartment 1, the second cooler 42 provided in the second refrigerating compartment for both refrigeration and warming, and a first fan motor attached to the first cooler 41 ( 43) and the 2nd fan motor 44 attached to the 2nd cooler 42 as a main component.
제2 냉장실(2)을 냉장의 용도로 사용할 때의 냉매는 압축기(10)에서 압축되어 고온 고압의 상태로 응축기(20)에 도달되고, 응축기(20)에서 팬모터에 의한 방열로 저온의 액체상태가 되어 배관(70)을 통해서 제1,제2 밸브(51,52) 및 제1,제2 모세관(61,62)을 지나 제1,제2 냉각기(41,42)에서 제1,제2 팬모터(43,44)에 의해 주위의 열을 빼앗으며 기화되어 제1 냉장실(1)과 제2 냉장실(2)을 냉각시키고, 어큐물레이터(30)를 거쳐 다시 압축기(10)에 유입된다.When the second refrigerating compartment 2 is used for refrigeration, the refrigerant is compressed by the compressor 10 to reach the condenser 20 in a state of high temperature and high pressure, and the low temperature liquid by heat dissipation by a fan motor in the condenser 20. The first and second coolers 41 and 42 pass through the first and second valves 51 and 52 and the first and second capillaries 61 and 62 through the pipe 70. 2 fan motors (43,44) to take away the surrounding heat is vaporized to cool the first refrigerating compartment (1) and the second refrigerating compartment (2), and flows back into the compressor (10) through the accumulator (30) do.
그러나 냉장 및 온장 겸용인 제2 냉장실(2)을 온장의 용도로 사용하기 위해 냉온절환스위치(미도시)를 조작하여 온장의 위치에 놓으면, 제2 냉각기(42)가 정지하면서 제1,제2 밸브(51,52)가 폐쇄되고, 제1 냉각기(41)와 연결된 제3 밸브(53)가 열리게 된다. 따라서 냉매는 압축기(10)에서 압축되어 고온 고압의 상태로 응축기(20)에 도달되고, 응축기(20)에서 팬모터에 의한 방열로 저온의 액체상태가 되어 배관(70)을 통해서 제3 밸브(53)와 제3 모세관(63)을 지나 제1 냉각기(41)에서 제1 팬모터(43)에 의해 주위의 열을 빼앗으며 기화되고, 어큐물레이터(30)를 거쳐 다시 압축기(10)에 유입되므로 제 1냉장실(1)만을 냉장하게 되고, 제2 냉장실은 히터(미도시)가 가동하여 온장실로 바뀌게 되는 것이다.However, when the second refrigerating compartment (2), which is used for both refrigeration and heating, is operated at a cold storage switch (not shown) in order to use the warming, the second cooler 42 stops, and the first and second operations are performed. The valves 51 and 52 are closed, and the third valve 53 connected to the first cooler 41 is opened. Therefore, the refrigerant is compressed in the compressor 10 to reach the condenser 20 in a state of high temperature and high pressure, and the third valve (through the pipe 70) becomes a low temperature liquid state by heat dissipation by the fan motor in the condenser 20. 53 and the third capillary tube 63, the first cooler 41, the first fan motor 43 is taken away by the surrounding heat is vaporized, and passed through the accumulator 30 to the compressor 10 again Since only the first refrigerating chamber 1 is refrigerated, the second refrigerating chamber is changed into a heating chamber by a heater (not shown).
제1 냉각기(41)와 연결되고 제3 밸브(53)에 의해 개폐되는 제3 모세관(63)은 제1 모세관(61)과 제2 모세관(62)의 냉매 처리능력을 합한 것과 동일한 냉매 처리능력을 갖도록 구성되어 있어, 제1 냉각기(41) 만 구동할 때에는 제3 모세관(63)이 동작하므로, 제1,제2 냉각기(41,42)와 제1,제2 모세관(61,62)이 동시 구동될 때와 동일한 냉매 처리능력을 제공하여 모세관의 냉매 처리능력의 저하로 인한 냉각 불균형을 해결하였다.The third capillary tube 63 connected to the first cooler 41 and opened / closed by the third valve 53 has the same refrigerant capacity as the sum of the refrigerant capacity of the first capillary tube 61 and the second capillary tube 62. Since the third capillary tube 63 operates when only the first cooler 41 is driven, the first and second coolers 41 and 42 and the first and second capillary tubes 61 and 62 are operated. Cooling imbalance due to the lowering of the capillary's refrigerant handling capacity was solved by providing the same refrigerant handling capacity as when driven simultaneously.
상술한 바와 같이, 본 발명은 압축기 능력이 일정한 냉각장치에서 냉각기 2개를 병렬로 설치하여 사용하는 경우, 냉각기 2개가 동시에 가동될 때와 냉각기 한개만이 가동될 때 발생하는 모세관의 냉매 처리능력 불균형으로 인한 냉장상품의 변질을 막고, 압축기의 내구성 저하를 방지하는 효과를 지니고 있다.As described above, in the present invention, when two coolers are installed in parallel in a cooling device having a constant compressor capacity, an unbalanced refrigerant treatment capacity of capillaries occurs when two coolers are operated at the same time and only one cooler is operated. It prevents the deterioration of the refrigeration product due to, and has the effect of preventing the durability of the compressor.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020000035251A KR100333913B1 (en) | 2000-06-26 | 2000-06-26 | A cooling apparatus of vending mechine |
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| KR1020000035251A KR100333913B1 (en) | 2000-06-26 | 2000-06-26 | A cooling apparatus of vending mechine |
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| KR100333913B1 true KR100333913B1 (en) | 2002-04-22 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776683A (en) * | 1980-10-30 | 1982-05-13 | Fuji Electric Co Ltd | Two-room switching type cooler for vending machine |
| KR830002071Y1 (en) * | 1982-03-23 | 1983-10-10 | 주식회사백양 | Hollow 3-stage double knit fabric |
| JPS62284164A (en) * | 1986-06-02 | 1987-12-10 | サンデン株式会社 | Automatic vending machine |
| KR920000708Y1 (en) * | 1986-04-19 | 1992-01-20 | 산덴 가부시끼가이샤 | Cooling Circuit of Vending Machine |
| KR940008398U (en) * | 1992-09-25 | 1994-04-18 | 광주전자주식회사 | Cooling system for vending machine |
| KR980010879A (en) * | 1996-07-31 | 1998-04-30 | 와다 아끼히로 | Method and apparatus for defining faces of three-dimensional objects from three-dimensional wire-frame models |
| KR19980014833U (en) * | 1996-09-03 | 1998-06-25 | 최진호 | Refrigerant control device of cold / hot beverage vending machine |
| KR20000001766A (en) * | 1998-06-13 | 2000-01-15 | 배길성 | Cooling device for cool/hot vending machine |
-
2000
- 2000-06-26 KR KR1020000035251A patent/KR100333913B1/en not_active IP Right Cessation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5776683A (en) * | 1980-10-30 | 1982-05-13 | Fuji Electric Co Ltd | Two-room switching type cooler for vending machine |
| KR830002071Y1 (en) * | 1982-03-23 | 1983-10-10 | 주식회사백양 | Hollow 3-stage double knit fabric |
| KR920000708Y1 (en) * | 1986-04-19 | 1992-01-20 | 산덴 가부시끼가이샤 | Cooling Circuit of Vending Machine |
| JPS62284164A (en) * | 1986-06-02 | 1987-12-10 | サンデン株式会社 | Automatic vending machine |
| KR940008398U (en) * | 1992-09-25 | 1994-04-18 | 광주전자주식회사 | Cooling system for vending machine |
| KR980010879A (en) * | 1996-07-31 | 1998-04-30 | 와다 아끼히로 | Method and apparatus for defining faces of three-dimensional objects from three-dimensional wire-frame models |
| KR19980014833U (en) * | 1996-09-03 | 1998-06-25 | 최진호 | Refrigerant control device of cold / hot beverage vending machine |
| KR20000001766A (en) * | 1998-06-13 | 2000-01-15 | 배길성 | Cooling device for cool/hot vending machine |
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| KR20020001117A (en) | 2002-01-09 |
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