KR100531810B1 - Support structure of heat exchanger - Google Patents
Support structure of heat exchanger Download PDFInfo
- Publication number
- KR100531810B1 KR100531810B1 KR10-2003-0015830A KR20030015830A KR100531810B1 KR 100531810 B1 KR100531810 B1 KR 100531810B1 KR 20030015830 A KR20030015830 A KR 20030015830A KR 100531810 B1 KR100531810 B1 KR 100531810B1
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- refrigerant pipe
- support
- heat exchanger
- refrigerant
- fin
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
- F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
- F28F9/262—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators for radiators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
본 발명의 핀-관 일체형 열교환기의 지지대구조는 냉매가 내부로 순환되며 외부공기와 열교환이 이루어지는 냉매관(101)과 그 냉매관(101)의 열교환면적을 확대시키기 위한 냉각핀(102)이 일체로 성형되어 다단으로 절곡형성되고, 상기 냉매관(101)들의 양단부는 지지대(103)에 의해 고정되도록 구성되며, 상기 냉매관(101)이 결합되는 지지대(103)의 결합공(103a)에는 냉매관(101)이 결합되는 외측방향으로 냉매관지지부(104)가 일체로 돌출형성되어 있어서, 냉매관(101)의 결합시 면접촉되는 상태로 결합되도록 함으로써, 조립시 발생되는 냉매관(101)의 긁힘 및 찢김 등이 방지되고, 전열면적이 넓어지게 된다.In the support structure of the fin-tube integrated heat exchanger of the present invention, the refrigerant is circulated inside and the refrigerant pipe 101 through which heat is exchanged with the external air and the cooling fin 102 for enlarging the heat exchange area of the refrigerant pipe 101 is provided. It is formed integrally and bent in multiple stages, and both ends of the refrigerant pipes 101 are configured to be fixed by the support 103, and the coupling hole 103a of the support 103 to which the refrigerant pipe 101 is coupled. The refrigerant pipe support part 104 is integrally formed to protrude in an outward direction in which the refrigerant pipe 101 is coupled, so that the refrigerant pipe 101 is coupled to the surface contact state when the refrigerant pipe 101 is coupled, so that the refrigerant pipe 101 is generated during assembly. ) Scratches and tears are prevented, and the heat transfer area becomes wider.
Description
본 발명은 핀-관 일체형 열교환기의 지지대구조에 관한 것으로, 보다 상세하게는 지지대에 형성된 결합공에 냉매관이 결합됨에 있어서 지지대에 형성된 결합공의 날카로운 부분에 의해 냉매관이 손상되는 것을 방지할 수 있도록 한 핀-관 일체형 열교환기의 지지대구조에 관한 것이다.The present invention relates to a support structure of a fin-tube integrated heat exchanger, and more particularly, the refrigerant pipe is coupled to the coupling hole formed in the support to prevent the refrigerant tube from being damaged by the sharp portion of the coupling hole formed in the support. And a support structure of a fin-tube integrated heat exchanger.
일반적으로 열교환기는 에어컨, 냉장고, 쇼케이스 등에 설치되는 냉동사이클장치의 응축기와 증발기를 통칭하는 것으로, 이와 같은 열교환기는 설치위치에 따라 전열매체인 냉매의 상변화에 의해 열을 방출하거나 흡수하므로 이를 이용하여 난방 및 냉방에 활용되어 진다.In general, the heat exchanger collectively refers to the condenser and evaporator of a refrigeration cycle device installed in an air conditioner, a refrigerator, a showcase, and the like. It is used for heating and cooling.
상기 열교환기중 가장 널리 알려진 열교환기는 냉매관에 다수개의 냉각핀들이 삽입되어 있는 형태의 핀-관형 열교환기로서, 이는 냉장고나 에어컨 등의 증발기로 주로 이용되며, 냉매가 냉매관의 내부로 순환하며 냉매관을 통하여 외부공기와의 열교환이 이루어지는 동시에 냉매관에 밀착되도록 삽입되어 있는 냉각핀들에 의해 열교환면적이 넓게 확대되어 열교환이 급속하게 이루어지며, 그와 같은 냉각핀들이 설치된 냉매관들의 양단부는 지지대에 의하여 지지되어 있다.The most widely known heat exchanger of the heat exchanger is a fin-tubular heat exchanger in which a plurality of cooling fins are inserted into a refrigerant pipe, which is mainly used as an evaporator such as a refrigerator or an air conditioner, and the refrigerant circulates inside the refrigerant pipe. The heat exchange area is widened by the cooling fins inserted in close contact with the refrigerant pipe at the same time as the heat exchange with the external air is carried out through the pipe, and the heat exchange is rapidly performed, and both ends of the refrigerant pipes in which such cooling fins are installed are supported by the support. It is supported by.
도 1은 상기와 같이 증발기로 이용되는 핀-관형 열교환기를 보인 사시도로서, 이에 도시된 바와 같이, 냉매가 순환될 수 있도록 냉매관(1)이 절곡 형성되어 있고, 그와 같이 절곡된 냉매관(1)에는 냉매관(1)에 접촉된 상태로 공기와의 열교환 면적을 확대시켜서 열교환효율을 증대시키기 위한 다수개의 냉각핀(2)들이 설치되어 있고, 상기와 같이 다단으로 절곡된 냉매관(1)의 양단부는 지지대(3)에 의하여 지지되어 있다.1 is a perspective view showing a fin-tubular heat exchanger used as an evaporator as described above, and as shown therein, the refrigerant pipe 1 is bent to circulate the refrigerant, and the refrigerant pipe bent as described above ( 1) is provided with a plurality of cooling fins (2) to increase the heat exchange efficiency by increasing the heat exchange area with air in contact with the refrigerant pipe (1), the refrigerant pipe (1) bent in multiple stages as described above Both ends of the support) are supported by the support 3.
그리고, 상기 냉매관(1)은 소정길이를 갖는 1개의 동 파이프를 "Ｓ"자 형태로 반복 절곡하여 다단을 이루도록 2열로 형성되어 있다. The refrigerant pipe 1 is formed in two rows so as to form a plurality of stages by repeatedly bending one copper pipe having a predetermined length in a "S" shape.
또한, 상기 냉각핀(2)들은 알루미늄 소재를 소정면적으로 가공한 평판체로서 중앙부에는 프레스가공에 의해 통공(미도시)이 형성되어 있고, 그와 같이 통공(미도시)이 형성된 냉각핀(2)들은 냉매관(1)에 삽입된 상태에서 냉매관(1)을 확관시키는 것에 의해 냉매관(1)의 외주면에 밀착되도록 고정되어 진다.In addition, the cooling fins 2 are flat plates formed by processing a predetermined area of an aluminum material, and through-holes (not shown) are formed in the center by press working, and cooling fins 2 having such holes (not shown) are formed. ) Are fixed to be in close contact with the outer circumferential surface of the refrigerant pipe 1 by expanding the refrigerant pipe 1 in the state inserted into the refrigerant pipe 1.
그리고, 상기 지지대(3)는 소정면적을 갖는 금속판체로서, 상기 냉매관(1) 양단부의 절곡된 부위가 삽입되어 고정될 수 있도록 프레스가공으로 제거된 여러개의 결합공(3a)이 형성되어 있다. In addition, the support 3 is a metal plate body having a predetermined area, and a plurality of coupling holes 3a removed by press working are formed so that the bent portions of both ends of the refrigerant pipe 1 are inserted and fixed. .
상기와 같은 구조의 핀-관형 열교환기(10)는 냉매가 냉매관(1)의 내부를 순환하며 외부 공기와의 열교환에 의해 열교환이 이루어지고, 그와 같이 열교환이 이루어질때에 냉매관(1)에 밀착되도록 고정되어 있는 냉각핀(2)들에 의하여 열교환면적이 확대되어 열교환 효율이 증대되어 진다.In the fin-tubular heat exchanger 10 having the above-described structure, the refrigerant circulates inside the refrigerant pipe 1 and heat exchange is performed by heat exchange with external air, and when the heat exchange is performed, the refrigerant pipe 1 Heat exchange area is increased by the cooling fins (2) that are fixed in close contact with the) increases heat exchange efficiency.
그러나, 상기와 같은 종래의 핀-관형 열교환기(10)는 열교환이 이루어질때에 주변공기의 절대습도량에 의해 냉매관(1)과 냉각핀(2)에 착상이 이루어지고, 그와 같이 착상된 것은 별도로 설치된 제상히터(미도시)에 의해 제상되어 지는데, 그와 같은 착상과 제상을 반복하게되면 동 파이프로 제작된 냉매관(1)과 알루미늄으로 제작된 냉각핀(2)의 열팽창계수의 차이에 의해 냉매관(1)과 냉각핀(2)의 통공(2a) 사이에 틈이 발생되고, 그와 같이 발생된 틈으로 제상수가 침입하여 틈새를 더욱 커지게 하여 열교환 효율을 감소시키고, 제상시 제상효율을 저하시키는 문제점이 있었다. However, the conventional fin-tubular heat exchanger 10 as described above is implanted into the refrigerant pipe 1 and the cooling fins 2 by the absolute humidity of the ambient air when heat exchange is performed, and thus is implanted. It is defrosted by a separate defrost heater (not shown), and if the above conception and defrost are repeated, the coefficient of thermal expansion of the refrigerant pipe (1) made of copper pipe and the cooling fin (2) made of aluminum is repeated. Due to the difference, a gap is generated between the refrigerant pipe 1 and the through hole 2a of the cooling fin 2, and defrost water penetrates into the gap thus generated to increase the gap, thereby reducing heat exchange efficiency. There was a problem in defrosting defrosting efficiency.
또한, 여러개의 냉각핀(2)들을 냉매관(1)에 일일이 삽입하고, 그와 같이 삽입된 냉각핀(2)을 냉매관(1)에 고정시키기 위한 확관작업을 실시하여야 하기 때문에 제작과정이 복잡한 문제점이 있었다.In addition, since the cooling fins 2 are inserted into the refrigerant pipe 1 one by one, and the expansion process for fixing the inserted cooling fins 2 to the refrigerant pipe 1 must be performed. There was a complicated problem.
또한, 냉매관(1)과 냉각핀(2)은 동과 알루미늄의 이종재질로서 시간이 경과되면 각 재질의 전위차에 의해 전위차부식이 급격히 진행되어 결과적으로 열교환기의 사용수명을 저하시키는 문제점이 있었다.In addition, the refrigerant pipe (1) and the cooling fin (2) is a heterogeneous material of copper and aluminum, and as time passes, the potential difference corrosion rapidly progresses due to the potential difference of each material, and as a result, the service life of the heat exchanger is reduced. .
상기와 같은 문제점들을 해결코자 최근에는 이 분야의 연구자들에 의하여 냉매관과 냉각핀이 일체로 형성되는 핀-관 일체형 열교환기에 관한 연구가 활발하게 진행되고 있다. 그러나, 상기와 같이 냉각핀이 일체로 형성되는 냉매관의 양단부를 지지하는 지지대는 프레스가공으로 제거된 결합공이 형성되어 있어서, 그 결합공에 냉매관의 절곡된 양단부가 삽입되어지는데, 그 지지대에 형성된 결합공의 내주면이 날카롭게 되어 있어서 냉매관의 결합시 긁힘으로 인하여 손상되고, 심할경우에는 파손되어 냉매누설이 발생되는 문제점이 있었다.In order to solve the above problems, recently, researchers in this field have been actively researching a fin-tube integrated heat exchanger in which a refrigerant pipe and a cooling fin are integrally formed. However, as described above, the support for supporting both ends of the refrigerant pipe in which the cooling fins are integrally formed has a coupling hole formed by pressing, and the bent ends of the refrigerant pipe are inserted into the coupling hole. Since the inner circumferential surface of the formed coupling hole is sharp, it is damaged due to scratches when the refrigerant pipes are coupled, and in the case of severe damage, refrigerant leakage occurs.
상기와 같은 문제점을 감안하여 안출한 본 발명의 목적은 냉매관의 절곡된 양단부를 지지대의 결합공에 결합시 냉매관의 긁힘이나 찢김 등이 발생되지 않도록 함과 아울러 냉매관과 지지대의 접촉면적이 넓게 형성되도록 하여 전열면적이 증대되어지도록 하는데 적합한 핀-관 일체형 열교환기의 지지대구조를 제공함에 있다.The object of the present invention devised in view of the above problems is to prevent scratches or tears of the refrigerant pipe when joining the bent ends of the refrigerant pipe to the coupling holes of the support, as well as the contact area of the refrigerant pipe and the support. It is to provide a support structure of a fin-tube integrated heat exchanger that is suitable for wider formation so that the heat transfer area is increased.
상기와 같은 본 발명의 목적을 달성하기 위하여냉매가 내부로 순환되며 외부공기와 열교환이 이루어지는 냉매관과 그 냉매관에 일체로 형성되어 냉매관의 열교환면적을 확대시키기 위한 냉각핀이 일체로 성형되어 다단으로 절곡형성되고, 그 냉매관들의 양단부는 지지대에 개구된 결합공에 삽입되어 고정되는 핀-관 일체형 열교환기에 있어서, In order to achieve the object of the present invention as described above, the refrigerant is circulated inside and formed integrally with the refrigerant pipe that exchanges heat with external air, and the cooling fin is integrally formed to expand the heat exchange area of the refrigerant pipe. In the multi-stage bent, the both ends of the refrigerant pipes are inserted into the coupling hole which is opened in the support, the fin-tube integrated heat exchanger,
상기 지지대의 결합공의 내주면에서는 상기 냉매관이 삽입 고정되는 외측방향으로 상기 냉매관의 외주면과 면접촉하도록 상기 지대에서 일체로 돌출한 링 형태의 냉내관지지부가 형성되는 것을 특징으로 하는 핀-관 일체형 열교환기의 지지대구조가 제공된다.The inner circumferential surface of the coupling hole of the support is a pin-tube, characterized in that the cooling tube is formed integrally protruding from the zone so as to contact the outer circumferential surface of the refrigerant pipe in the outer direction in which the refrigerant pipe is inserted and fixed A support structure of an integrated heat exchanger is provided.
삭제delete
이하, 상기와 같이 구성되는 본 발명의 핀-관 일체형 열교환기의 지지대구조를 첨부된 도면의 실시예를 참고하여 보다 상세히 설명하면 다음과 같다.Hereinafter, the support structure of the fin-tube integrated heat exchanger of the present invention configured as described above will be described in more detail with reference to an embodiment of the accompanying drawings.
도 3은 본 발명의 지지대구조를 가지는 핀-관 일체형 열교환기의 구조를 보인 사시도이고, 도 4는 본 발명의 냉매관과 지지대가 결합되는 상태의 부분사시도이며, 도 5는 도 4의 부분단면도이다.Figure 3 is a perspective view showing a structure of a fin-tube integrated heat exchanger having a support structure of the present invention, Figure 4 is a partial perspective view of the refrigerant pipe and the support of the present invention is coupled, Figure 5 is a partial cross-sectional view of FIG. to be.
이에 도시된 바와 같이, 본 발명의 지지대구조를 가지는 핀-관 일체형 열교환기는 냉매가 통과될 수 있는 관체상의 냉매관(101)이 2열로 나란하게 형성되어 있고, 그와 같이 2열로 형성된 냉매관(101)의 사이에는 냉각핀(102)이 일체로 성형되어 있다.As shown in the drawing, the fin-tube integrated heat exchanger having the support structure of the present invention has a tubular refrigerant pipe 101 through which two refrigerants can pass, and is formed in two rows side by side, and the refrigerant pipe formed in two rows as described above ( The cooling fins 102 are integrally formed between the 101.
상기 냉매관(101)들은 일정폭과 높이를 가지도록 "Ｓ"자형상으로 반복적으로 절곡되어 있고, 그와 같은 냉매관(101)들의 양단부는 지지대(103)에 의하여 고정되어 있다.The coolant tubes 101 are repeatedly bent in a "S" shape to have a predetermined width and height, and both ends of the coolant tubes 101 are fixed by the support 103.
상기 냉매관(101)과 냉각핀(102)은 알루미늄 재질로서, 일체로 성형되어지고, 상기 냉각핀(102)들은 프레스가공에 의해 소정크기로 절단 및 절곡되어 있다.The coolant pipe 101 and the cooling fins 102 are made of aluminum, and are integrally formed. The cooling fins 102 are cut and bent to a predetermined size by press working.
또한, 상기 지지대(103)는 소정면적을 가지는 금속판체로서, 상기 냉매관(101) 양단부의 절곡부(101a)가 삽입되어지는 결합공(103a)들이 형성되어 있는데, 그 결합공(103a)의 내주면에는 상기 냉매관(101)이 삽입되는 외측방향으로 돌출되도록 냉매관지지부(104)가 형성되어 있다.In addition, the support base 103 is a metal plate having a predetermined area, and the coupling holes 103a into which the bent portions 101a of both ends of the refrigerant pipe 101 are inserted are formed. A refrigerant pipe support part 104 is formed on an inner circumferential surface to protrude in an outward direction in which the refrigerant pipe 101 is inserted.
상기 냉매관지지부(104)는 별도로 형성할수도 있으나 결합공(103a)의 형성시 동시에 형성하는 것이 바람직하고, 지지대(103)에 대하여 수직하게 형성되어 결합공(103a)에 삽입되는 냉매관(101)과의 접촉면적증가에 의한 전열면적이 증가되도록 하는 것이 바람직하다. The coolant tube support part 104 may be formed separately, but may be formed at the same time when the coupling hole 103a is formed, and is formed perpendicular to the support base 103 to be inserted into the coupling hole 103a. It is desirable to increase the heat transfer area due to the increase in the contact area with the?
상기와 같이 구성되어 있는 본 발명의 지지대구조를 가지는 핀-관 일체형 열교환기는 냉매가 냉매관(101)의 내부를 순환하며 외부 공기와의 열교환에 의해 열교환이 이루어지고, 그와 같이 열교환이 이루어질때에 냉매관(101)에 일체로 형성된 냉각핀(102)들에 의하여 열교환면적이 확대되어 열교환 효율이 증대되어 진다.Fin-tube integrated heat exchanger having a support structure of the present invention configured as described above when the refrigerant circulates inside the refrigerant pipe 101 and the heat exchange is made by heat exchange with the outside air, and when such heat exchange is made The heat exchange area is enlarged by the cooling fins 102 formed integrally with the refrigerant pipe 101, thereby increasing heat exchange efficiency.
또한, 상기 지지대(103)에 형성된 결합공(103a)에는 외측방향으로 냉매관지지부(104)가 링 형태로서 일체로 돌출형성되어 있어서, 냉매관(101)의 조립시 냉매관지지부(104)에 의해 면접촉되며 안내되는 상태로 지지되므로 냉매관(101)의 긁힘이나 찢김 등의 손상이 발생되지 않는다.In addition, the coupling hole 103a formed in the support 103 is formed to protrude integrally in the outer direction in the refrigerant pipe support portion 104 in the form of a ring, so as to assemble the refrigerant pipe 101 to the refrigerant pipe support portion 104 Since the surface is in contact with the guide guided by the state does not cause damage such as scratches or tears of the refrigerant pipe (101).
또한, 상기와 같이 냉매관(101)이 지지대(103)의 결합공(103a)에 형성된 냉매관지지부(104)에 의해 면접촉되므로 냉매관(101)과 지지대(103) 사이의 전열면적이 증대되게 되어 열교환기의 열교환효율이 향상되어지게 된다.In addition, since the coolant tube 101 is in surface contact by the coolant tube support part 104 formed in the coupling hole 103a of the support 103, the heat transfer area between the coolant tube 101 and the support 103 is increased. The heat exchange efficiency of the heat exchanger is improved.
이상에서 상세히 설명한 바와 같이, 본 발명의 핀-관 일체형 열교환기의 지지대구조는 냉매가 순환되는 냉매관과, 그 냉매관에 일체로 형성되는 냉각핀 및 상기 냉매관을 지지하기 위한 지지대로 구성되고, 상기 냉매관의 양단부가 삽입되는 지지대의 결합공에는 외측방향으로 돌출형성되는 냉매관지지부가 형성되어, 냉매관을 지지대의 결합공에 결합시 냉매관이 냉매관지지부에 지지되는 상태로 안내되므로 냉매관의 긁힘이나 찢김 등의 손상이 발생되지 않는 효과가 있다. As described in detail above, the support structure of the fin-tube integrated heat exchanger of the present invention is composed of a coolant tube through which a coolant is circulated, a cooling fin integrally formed in the coolant tube, and a support for supporting the coolant tube. In the coupling hole of the support, into which the both ends of the refrigerant pipe are inserted, a refrigerant pipe support is formed to protrude outward, and when the refrigerant pipe is coupled to the coupling hole of the support, the refrigerant pipe is guided to the refrigerant pipe support. There is an effect that damage such as scratching or tearing of the refrigerant pipe does not occur.
또한, 냉매관이 지지대의 결합공에 형성된 냉매관지지부와 면접촉이 이루어지도록 결합되므로 냉매관과 지지대의 전열면적이 증대되고, 그에따라 제작되는 열교환기의 열교환효율이 향상되는 효과가 있다.In addition, since the refrigerant pipe is coupled to the surface contact with the refrigerant pipe support portion formed in the coupling hole of the support, the heat transfer area of the refrigerant pipe and the support is increased, thereby improving the heat exchange efficiency of the heat exchanger manufactured accordingly.
도 1은 종래 열교환기의 구조를 보인 사시도.1 is a perspective view showing the structure of a conventional heat exchanger.
도 2는 종래 냉매관이 지지대에 결합되는 상태를 보인 사시도.Figure 2 is a perspective view showing a state where the conventional refrigerant pipe is coupled to the support.
도 3은 본 발명의 지지대구조를 가지는 핀-관 일체형 열교환기의 구조를 보인 사시도.Figure 3 is a perspective view showing the structure of a fin-tube integrated heat exchanger having a support structure of the present invention.
도 4는 본 발명의 냉매관과 지지대가 결합되는 상태의 부분사시도.Figure 4 is a partial perspective view of the refrigerant pipe and the support of the present invention are coupled.
도 5는 도 4의 부분단면도.5 is a partial cross-sectional view of FIG. 4.
* 도면의 주요 부분에 대한 부호의 설명 * Explanation of symbols on the main parts of the drawings
101 : 냉매관 102 : 냉각핀101: refrigerant pipe 102: cooling fin
103 : 지지대 103a : 결합공103: support 103a: coupling hole
104 : 냉매관지지부104: refrigerant pipe support
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0015830A KR100531810B1 (en) | 2003-03-13 | 2003-03-13 | Support structure of heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2003-0015830A KR100531810B1 (en) | 2003-03-13 | 2003-03-13 | Support structure of heat exchanger |
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| Publication Number | Publication Date |
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| KR20040081505A KR20040081505A (en) | 2004-09-22 |
| KR100531810B1 true KR100531810B1 (en) | 2005-11-30 |
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| KR101301801B1 (en) * | 2011-10-18 | 2013-08-29 | 함승진 | Heat exchanger for having a simple assembly process |
| US20130299132A1 (en) * | 2012-05-14 | 2013-11-14 | Blissfield Manufacturing Company | Heat exchanger assembly and method of manufacturing therefor |
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