KR100745420B1 - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
KR100745420B1
KR100745420B1 KR1020050063470A KR20050063470A KR100745420B1 KR 100745420 B1 KR100745420 B1 KR 100745420B1 KR 1020050063470 A KR1020050063470 A KR 1020050063470A KR 20050063470 A KR20050063470 A KR 20050063470A KR 100745420 B1 KR100745420 B1 KR 100745420B1
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South Korea
Prior art keywords
refrigerant
capillary tube
air conditioner
condenser
capillary
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KR1020050063470A
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Korean (ko)
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KR20070008337A (en
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이장중
정현석
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삼성전자주식회사
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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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/06—Damage
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/13—Vibrations
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/21—Reduction of parts

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

본 발명은 공기조화기에 관한 것으로, 본 발명의 목적은 모세관 자체 형상에 의해 충격 및 진동을 흡수할 수 있는 구조의 모세관을 포함하는 공기조화기를 제공하는 것이다.The present invention relates to an air conditioner, and an object of the present invention is to provide an air conditioner including a capillary tube having a structure capable of absorbing shock and vibration by the capillary itself shape.

이러한 목적을 달성하기 위하여 본 발명에 따른 공기조화기는 냉매를 압축하는 압축기; 상기 압축기로부터 토출된 냉매가 방열하여 응축되는 응축기; 상기 응축기로부터 토출된 저온 고압상태의 냉매를 감압하여 저온 저압상태로 하되 충격감쇄구조로 이루어진 모세관; 상기 모세관으로부터 토출된 냉매가 흡열하며 증발하는 증발기;를 포함하는 것을 특징으로 한다.In order to achieve this object, an air conditioner according to the present invention includes a compressor for compressing a refrigerant; A condenser that radiates and condenses the refrigerant discharged from the compressor; Capillary tube made of a shock-absorbing structure to reduce the low-temperature high-pressure refrigerant discharged from the condenser to a low temperature low pressure state; And an evaporator in which the refrigerant discharged from the capillary is endothermic and evaporates.

Description

공기조화기{Air conditioner}Air Conditioner

도 1은 종래의 모세관의 구조를 도시한 사시도이다.     1 is a perspective view showing the structure of a conventional capillary.

도 2는 본 발명에 따른 공기조화기를 나타낸 구성도이다.     2 is a block diagram showing an air conditioner according to the present invention.

도 3은 실외기의 내부구조를 개략적으로 나타낸 단면도이다.     3 is a cross-sectional view schematically showing the internal structure of the outdoor unit.

도 4는 모세관의 구조를 도시한 사시도이다.     4 is a perspective view showing the structure of the capillary.

*도면의 주요부분에 대한 부호 설명*    * Description of symbols on the main parts of the drawings *

20 : 공기조화기, 21 : 압축기,     20: air conditioner, 21: compressor,

22 : 응축기, 24 : 모세관,     22: condenser, 24: capillary,

25 : 증발기, 26 : 냉각팬     25: evaporator, 26: cooling fan

27 : 실내기, 28 : 실외기,     27: indoor unit, 28: outdoor unit,

본 발명은 공기조화기에 관한 것으로, 더욱 상세하게는 공기조화기에 있어서 응축기를 통과한 저온고압의 냉매를 교축작용에 의해 저온저압 상태로 만드는 모세관의 구조에 관한 것이다.The present invention relates to an air conditioner, and more particularly, to a structure of a capillary tube which makes a low-temperature high-pressure refrigerant passed through a condenser in a low-temperature low-pressure state by throttling.

일반적으로 공기조화기는 증기냉동사이클을 적용하여 냉매의 응축 및 증발에 의해 실내의 공기온도를 조절하는 장치이다.In general, the air conditioner is a device for controlling the air temperature in the room by the condensation and evaporation of the refrigerant by applying a steam refrigeration cycle.

공기조화기는 냉방운전시 압축기에 기체상태의 냉매를 고압상태로 압축하고, 압축되어 고온 고압 상태가 된 냉매는 응축기로 보내진다.The air conditioner compresses the gaseous refrigerant in the high pressure state in the compressor during the cooling operation, and the refrigerant that is compressed to a high temperature high pressure state is sent to the condenser.

응축기는 이러한 고온고압의 냉매가 방열되며 액체상태로 응축될 수 있도록 실외공기와 열교환하는 장치인데, 응축기를 통과하는 동안 냉매의 온도는 하강하지만 본격적인 증발이 일어나기 위하여는 냉매가 저온저압상태가 되어야 한다.The condenser is a device that heat-exchanges with outdoor air so that the high-temperature and high-pressure refrigerant is radiated and condensed in a liquid state. While the temperature of the refrigerant decreases while passing through the condenser, the refrigerant must be low-temperature and low-pressure state in order to evaporate in earnest. .

따라서, 응축기에서 토출된 냉매는 감압장치로써 가늘고 긴 관으로 이루어진 모세관이나 팽창밸브를 거쳐야 하는데, 팽창밸브의 경우 교축작용을 가변할 수 있는 가변형으로 마련되어 용량제어가 요구되는 공기조화기 등에 적용되며, 냉방능력에 변화가 없는 일반적인 공기조화기에는 모세관을 주로 사용한다.Therefore, the refrigerant discharged from the condenser has to pass through a capillary tube or an expansion valve made of a long and thin tube as a pressure reducing device, and the expansion valve is applied to an air conditioner requiring a capacity control by providing a variable type capable of varying the throttling action. Capillary tubes are mainly used in general air conditioners with no change in cooling capacity.

모세관을 통과하면서 냉매는 교축작용에 의해 감압되고, 증발기로 보내져 기체로 증발하여 그 기화열에 의해 실내의 냉방이 이루어진다.While passing through the capillary, the refrigerant is depressurized by the throttling action, sent to the evaporator, evaporated into gas, and the room is cooled by the heat of vaporization.

모세관은 교축작용을 위해 다른 냉매관보다 작은 직경을 갖도록 가늘게 형성되고 그 길이는 직경에 따라 결정되는데, 상대적으로 가늘게 형성되므로 충격이나 진동에 취약한 구조를 갖는다.The capillary tube is thinner than other refrigerant tubes for throttling and its length is determined according to the diameter. Since the capillary tube is relatively thin, the capillary tube is vulnerable to shock or vibration.

도 1은 종래의 모세관의 구조를 도시한 사시도이다.1 is a perspective view showing the structure of a conventional capillary.

종래의 모세관(10)은 입구측(11)과 출구측(12) 사이는 주 관(13)보다 작은 직경을 갖는 가느다란 관을 코일형상으로 권선하고 주 관(13)보다 상대적으로 가늘어서 충격이나 진동에 취약한 구조를 보강하기 위해 모세관(10)을 합성고무로 이루어진 보호부재(14)로 감싸는 구조를 포함하고 있었다.Conventional capillary tube 10 is a coil between the inlet side 11 and the outlet side 12 having a diameter smaller than the main tube 13 in a coil shape and relatively thinner than the main tube 13 to impact or In order to reinforce the structure susceptible to vibration, the capillary 10 was included in a structure surrounded by a protective member 14 made of synthetic rubber.

그러나, 모세관(10)을 통과하면서 냉매는 모세관(10)과의 마찰로 인해 방열하며 이에 따른 열로 장시간 운전시 보호부재(14)에 변형이 발생하여 보호부재(14)와 모세관(10)사이에 이격된 공간이 발생하거나, 심한 경우 보호부재(14)가 녹아내는 문제가 있었다.However, while passing through the capillary tube 10, the refrigerant dissipates due to friction with the capillary tube 10. As a result, the coolant is deformed in the protective member 14 during a long time operation, and thus, between the protective member 14 and the capillary tube 10. There is a problem that spaced space or, if severe, the protective member 14 melts.

또한, 보호부재(14)는 별도로 가공되어 조립되어야 하므로, 추가 부품소요에 따라 생산원가가 증가되고, 아울러 조립과정에서 작업성이 현저히 떨어지는 문제점이 있었다.In addition, since the protective member 14 is to be separately processed and assembled, there is a problem in that the production cost is increased according to additional component demands, and workability is remarkably inferior in the assembling process.

이러한 문제점을 해결하기 위하여, 본 발명의 목적은 모세관 자체 형상에 의해 충격 및 진동을 흡수할 수 있는 구조의 모세관을 포함하는 공기조화기를 제공하는 것이다.In order to solve this problem, it is an object of the present invention to provide an air conditioner including a capillary tube having a structure capable of absorbing shock and vibration by the capillary itself shape.

이와 같은 목적을 달성하기 위한 본 발명에 따른 공기조화기는, 냉매를 압축하는 압축기, 상기 압축기로부터 토출되는 냉매가 방열하여 응축되는 응축기, 상기 응축기로부터 토출된 저온 고압상태의 냉매를 감압하여 저온 저압상태로 하되 일방향으로 권선되고 관 사이에 소정의 피치가 존재하여 충격감쇄구조가 형성된 모세관을 포함하는 것을 특징으로 한다.An air conditioner according to the present invention for achieving the above object, a compressor for compressing a refrigerant, a condenser in which the refrigerant discharged from the compressor heat dissipates and condensation, the low temperature and high pressure state of the refrigerant discharged from the condenser to reduce the low temperature It is characterized in that it comprises a capillary tube wound in one direction and a predetermined pitch is present between the tubes to form an impact damping structure.

삭제delete

또한, 상기 피치는 3mm 이상이고 10mm이내 인 것을 특징으로 한다.In addition, the pitch is characterized in that more than 3mm and less than 10mm.

이하에는 본 발명의 바람직한 실시예를 첨부한 도면을 참조로 하여 상세히 설명한다.Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

도 2는 본 발명에 따른 공기조화기를 나타낸 구성도이다.2 is a block diagram showing an air conditioner according to the present invention.

본 발명에 따른 공기조화기(20)는 냉매를 압축하는 압축기(21)와, 열교환기로 구성되며 압축기(21)로부터 토출되는 고온고압상태의 냉매가 방열되면서 응축되어 저온 고압의 액체상태로 상변화하는 응축기(22), 응축기(22)와 실외공기간의 열교환을 위해 응축기(22)에 송풍하기 위한 송풍팬(23), 응축기(22)를 통과한 고온고압상태의 냉매를 감압시키는 모세관(24), 열교환기로 구성되며 모세관(24)을 통과한 후 감압된 냉매가 증발하며 기화열만큼 열을 흡수하는 증발기(25), 증발기의 열교환을 위해 증발기(25)로 실내공기를 송풍하는 냉각팬(26)을 포함한다.The air conditioner 20 according to the present invention comprises a compressor 21 for compressing a refrigerant and a heat exchanger. The air conditioner 20 is condensed by dissipating the refrigerant in a high temperature and high pressure state discharged from the compressor 21 to change into a liquid state at low temperature and high pressure. A condenser 22, a blower fan 23 for blowing air to the condenser 22 for heat exchange between the condenser 22 and the outdoor air, and a capillary tube 24 for reducing the high temperature and high pressure refrigerant passing through the condenser 22 , An evaporator 25 configured to be a heat exchanger and having passed through a capillary tube 24 and depressurized refrigerant evaporates and absorbs heat as vaporization heat, and a cooling fan 26 for blowing indoor air to the evaporator 25 for heat exchange of the evaporator. It includes.

냉방모드 상태를 전제로 증발기(25)는 실내에, 응축기(22)는 실외에 설치되며, 도시된 실시예의 경우 실내기(27)와 실외기(28)가 분리된 분리형으로 구성된다.Under the condition of the cooling mode, the evaporator 25 is installed indoors and the condenser 22 is installed outdoors. In the illustrated embodiment, the indoor unit 27 and the outdoor unit 28 are separated.

실외기(28)에는 압축기(21), 응축기(22), 송풍팬(23) 및 모세관(24)이 설치되며, 실내기(27)는 증발기(25)와 냉각팬(26)을 포함한다. The outdoor unit 28 is provided with a compressor 21, a condenser 22, a blowing fan 23, and a capillary tube 24, and the indoor unit 27 includes an evaporator 25 and a cooling fan 26.

도 3은 실외기의 내부구조를 개략적으로 나타낸 단면도이고, 도 4는 모세관의 구조를 도시한 사시도로써, 실외기(28)는 외관을 형성하는 케이스(30)와, 이 케이스(30) 내부에 설치되는 응축기(22), 모세관(24) 및 압축기(21)를 포함한다.3 is a cross-sectional view schematically showing the internal structure of the outdoor unit, Figure 4 is a perspective view showing the structure of the capillary tube, the outdoor unit 28 is a case 30 that forms the appearance and is installed inside the case 30 A condenser 22, a capillary tube 24, and a compressor 21.

실외기(28)의 일측면에는 실내기(27)와의 냉매교환을 위한 냉매 유입포트(31) 및 냉매 토출포트(32)가 설치되는데, 냉매 유입포트(31)는 실내기(27)에서 증발기(25)의 출구측 및 압축기(21)와 연결되며, 냉매 토출포트(32)는 실내기(27)에서 증발기(25)의 입구측 및 모세관(24)과 각각 연결된다.On one side of the outdoor unit 28, a refrigerant inlet port 31 and a refrigerant discharge port 32 for refrigerant exchange with the indoor unit 27 are installed. The refrigerant inlet port 31 is an evaporator 25 in the indoor unit 27. It is connected to the outlet side and the compressor 21, the refrigerant discharge port 32 is connected to the inlet side and the capillary tube 24 of the evaporator 25 in the indoor unit 27, respectively.

모세관(24)은 주 관(29)보다 작은 내부 직경을 갖는 가느다란 관으로 마련되며, 일방향으로 권선되어 코일형상으로 이루어져 있다. 권선된 모세관(24)은 일정한 피치를 갖도록 이격되며 3회에서 5회정도 권선된다.The capillary tube 24 is provided as a thin tube having an inner diameter smaller than that of the main tube 29, and is wound in one direction to form a coil shape. The wound capillary 24 is spaced to have a constant pitch and is wound about three to five times.

모세관(24)은 피치가 크면 클수록 실외기(28) 설치시 많은 공간을 차지하게 되고, 피치를 작게 하면 모세관(24) 자체형상에 따른 충격 및 진동흡수 성능이 저하될 수 있으므로, 피치는 3mm이상으로 하되, 10mm를 초과하지 않는 것이 바람직하다.The larger the capillary tube 24, the larger the space occupies a lot of space when installing the outdoor unit 28, and the smaller the pitch may reduce the shock and vibration absorption performance according to the capillary tube 24 itself, the pitch is 3mm or more However, it is preferable not to exceed 10 mm.

모세관(24)의 길이에 따라 교축작용에 의해 감압되는 효과가 달라지게 되며 이러한 모세관(24)의 길이는 공기조화기(20)의 냉방능력과, 주 관(29)과 모세관(24)과의 직경차이 등을 고려하여 결정된다.Depending on the length of the capillary tube 24, the effect of reducing the pressure by the throttling action is different. The length of the capillary tube 24 is the cooling capacity of the air conditioner 20, and It is determined in consideration of the difference in diameter.

본 실시예는 실내기((27)와 실외기(28)가 각각 실내와 실외에 분리설치되는 분리형 에어컨에 적용한 경우로, 본 발명은 이에 한정할 것이 아니라 냉동사이클이 적용된 일체형 에어컨이나 냉장고 등에 동일하게 적용할 수 있음은 물론이다.The present embodiment is applied to a separate air conditioner in which the indoor unit 27 and the outdoor unit 28 are separately installed indoors and outdoors, respectively, and the present invention is not limited thereto, and the same applies to an integrated air conditioner or a refrigerator to which a refrigeration cycle is applied. Of course you can.

이하에는 이러한 구성을 갖는 본 발명의 공기조화기의 작동과정 및 효과를 살펴본다.Hereinafter will be described the operation and effect of the air conditioner of the present invention having such a configuration.

냉방운전이 시작되면, 압축기(21)가 작동되며 냉매라인상에서 냉매의 순환이 시작되는데, 먼저 증발기(25)와 연결된 냉매 유입포트(31)로부터 기체상태의 냉매를 흡입하여 압축하는데, 이 과정은 단열압축과정에 유사하므로 열이 발생된다. When the cooling operation is started, the compressor 21 is operated and circulation of the refrigerant is started on the refrigerant line. First, the refrigerant in the gaseous state is sucked and compressed from the refrigerant inlet port 31 connected to the evaporator 25. Similar to adiabatic compression, heat is generated.

다음으로, 압축된 냉매는 충분한 방열을 위해 응축기(22)로 보내지고 응축기(22)를 거쳐 냉각되며 액체상태로 상변화한 냉매는 모세관(24)을 통과하면서 감압되어 저온 저압상태로 되고, 실외기(28)의 냉매 토출포트(32)를 통해 냉매관을 따라 실내기(27)로 보내진다.Next, the compressed refrigerant is sent to the condenser 22 for sufficient heat dissipation, cooled through the condenser 22, and the refrigerant changed into a liquid state is decompressed while passing through the capillary tube 24 to become a low temperature low pressure state. It is sent to the indoor unit 27 along the refrigerant pipe via the refrigerant discharge port 32 of 28.

저온저압의 냉매는 실내기(27)의 증발기(25)에서 기체로 기화하며 기화열만큼 실내로부터 열을 흡수한 상태에서 실외기(28)로 보내지고 압축기(21)에서 다시 압축되면서 위와 같은 냉동싸이클이 지속적으로 반복되게 된다.The low temperature low pressure refrigerant vaporizes into gas in the evaporator 25 of the indoor unit 27 and is sent to the outdoor unit 28 while absorbing heat from the room as much as the vaporization heat and is compressed again by the compressor 21 so that the refrigeration cycle is continued. Will be repeated.

한편, 모세관(24)은 코일형으로 권선되고 압축스프링과 같이 일정한 피치를 갖도록 형성되어 모세관(24) 자체형상으로 충격 및 진동에 대한 감쇄능력을 갖게 된다.On the other hand, the capillary tube 24 is wound in a coil shape and formed to have a constant pitch, such as a compression spring, so that the capillary tube 24 itself has a damping ability against shock and vibration.

따라서, 운반 또는 설치과정에서 모세관(24)이 충격에 파손될 위험이 감소되고, 운전 중 냉매가 주 관(29)을 지나 모세관(24)을 통과하면서 압력강하를 일으키고 이에 따라 모세관(24)에는 진동이 발생되는데, 이와 같이 피치를 갖는 스프링구조에 의해 진동이 감쇄된다.Therefore, the risk of breakage of the capillary tube 24 in impact during transportation or installation is reduced, and during operation, the refrigerant flows through the main tube 29 and passes through the capillary tube 24, causing a pressure drop, thereby vibrating the capillary tube 24. In this way, vibration is attenuated by a spring structure having a pitch.

이상에서 살펴본 바와 같이, 본 발명에 따른 공기조화기는 자체형상에 의해 충격이나 진동을 감쇄하는 모세관을 포함하고 있어 운반단계 및 운전상태에서 모세관에 가해지거나 자체적으로 발생하는 충격 또는 진동에 의해 모세관이 손상되는 것이 방지하는 효과가 있다.As described above, the air conditioner according to the present invention includes a capillary tube that attenuates shock or vibration by its own shape, and thus the capillary tube is damaged by the shock or vibration applied to the capillary tube or generated by itself during the transporting step and operation state. It is effective to prevent it from becoming.

또한, 고무로 이루어진 보호부재가 생략되므로, 이에 따라 생산원가가 절감되고 조립과정에서의 작업성이 향상되는 효과가 있을 뿐만 아니라, 장시간 사용에도 변형이 발생하지 않아 제품의 신뢰성이 향상되는 효과가 있다.In addition, since the protective member made of rubber is omitted, the production cost is reduced and workability in the assembling process is improved, and also deformation is not generated even in a long time of use, thereby improving the reliability of the product. .

Claims (3)

냉매를 압축하는 압축기, 상기 압축기로부터 토출되는 냉매가 방열하여 응축되는 응축기, 상기 응축기로부터 토출된 저온 고압상태의 냉매를 감압하여 저온 저압상태로 하되 일방향으로 권선되고 관 사이에 소정의 피치가 존재하여 충격감쇄구조가 형성된 모세관을 포함하며, 상기 피치는 3mm 이상이고 10mm이내 인 것을 특징으로 하는 공기조화기.Compressor for compressing the refrigerant, the condenser in which the refrigerant discharged from the compressor radiates heat condensation, the refrigerant in the low temperature and high pressure state discharged from the condenser is reduced to a low temperature low pressure state is wound in one direction and there is a predetermined pitch between the tubes And a capillary tube having an impact damping structure, wherein the pitch is greater than or equal to 3 mm and less than or equal to 10 mm. 삭제delete 삭제delete
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CN103375950B (en) * 2012-04-13 2015-12-09 珠海格力电器股份有限公司 Capillary assembly and method of making same
CN103822415B (en) * 2014-02-19 2016-09-28 合肥美的电冰箱有限公司 Capillary tube and the refrigerator with it

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KR0133172Y1 (en) * 1996-03-28 1999-05-15 김광호 Capillary tube apparatus of a refrigerator
KR102005592B1 (en) * 2011-10-25 2019-07-30 마론 바이오 이노베이션스, 인코포레이티드 Chromobacterium formulations, compostions, metabolites and their uses

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US4406134A (en) * 1981-11-23 1983-09-27 General Electric Company Two capillary vapor compression cycle device
KR0133172Y1 (en) * 1996-03-28 1999-05-15 김광호 Capillary tube apparatus of a refrigerator
JPH1091250A (en) * 1996-07-12 1998-04-10 Quantum Design Inc Device and method for adjusting temperature in low-temperature test chamber
KR102005592B1 (en) * 2011-10-25 2019-07-30 마론 바이오 이노베이션스, 인코포레이티드 Chromobacterium formulations, compostions, metabolites and their uses

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