KR20090129427A - Heat exchanger with stacked plates - Google Patents

Heat exchanger with stacked plates Download PDF

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Publication number
KR20090129427A
KR20090129427A KR1020097018989A KR20097018989A KR20090129427A KR 20090129427 A KR20090129427 A KR 20090129427A KR 1020097018989 A KR1020097018989 A KR 1020097018989A KR 20097018989 A KR20097018989 A KR 20097018989A KR 20090129427 A KR20090129427 A KR 20090129427A
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KR
South Korea
Prior art keywords
plate
cooled
shafts
fluid
outlet
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KR1020097018989A
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Korean (ko)
Inventor
마르코 카를로스 로드리고
구티에레스 호세 이그나시오 폴라
콘타미나 마리아 테레사 카탈란
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발레오 테르미코 에스.에이.
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Publication of KR20090129427A publication Critical patent/KR20090129427A/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
    • F02M26/32—Liquid-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0082—Charged air coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/102—Particular pattern of flow of the heat exchange media with change of flow direction

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Exhaust-Gas Circulating Devices (AREA)

Abstract

The invention relates to a heat-exchanger with stacked plates, that comprises a plurality of stacked plates (2) between which flow the fluid to be cooled and the cooling fluid between two independent circuits defined by said plates (2) as alternating layers, said plates (2) including a region for thermal exchange, an inlet and an outlet of the fluid to be cooled, and inlet (4a) and outlet (5a) shafts, characterised in that the shafts (4a, 5a) are integrated in the heat-exchange region of the plates (2).

Description

적층된 판을 구비한 열교환기{HEAT EXCHANGER WITH STACKED PLATES}Heat exchanger with laminated plate {HEAT EXCHANGER WITH STACKED PLATES}

본 발명은 적층된 판을 구비한 열교환기에 관한 것이다.The present invention relates to a heat exchanger with laminated plates.

특히, 본 발명은 엔진의 배기 가스 재순환 교환기(EGRC: exhaust gas recirculation coolers), 오일 교환기, 과량 공급 공기 냉각기 또는 인터쿨러(intercoolers)(CAC: charge air coolers), 및 증발기(evaporators)와 같이 엔진부에 장착되는 모든 종류의 열교환기에 적용된다.In particular, the present invention relates to engine parts such as exhaust gas recirculation coolers (EGRC), oil exchangers, excess air coolers or intercoolers (CACs), and evaporators of engines. Applicable to all types of heat exchangers that are fitted.

적층된 판을 구비한 열교환기는 배기 가스와 냉각기가 대체되는 층으로서 두 판 사이에 순환하고, 2개의 서로 다른 회로가 형성되도록 열교환 표면을 형성하는 일련의 판을 포함한다.Heat exchangers with stacked plates comprise a series of plates that circulate between the two plates as layers in which the exhaust gas and cooler are replaced, and form a heat exchange surface such that two different circuits are formed.

적층된 판을 구비한 열교환기를 개량하기 위하여, 교환기의 기계적 저항뿐만 아니라, 판은 웨이브 및/또는 냉각될 가스를 인도하는 판 사이에 배치된 날개(wings)와 같은 가스 교란 수단을 나타낼 수 있다.In order to improve the heat exchanger with laminated plates, as well as the mechanical resistance of the exchanger, the plates may represent gas disturbing means such as wings disposed between the waves and / or the plates leading the gas to be cooled.

2개의 연속된 판 사이의 빈 공간은 회로들 중의 하나의 통로를 구성하고, 통로의 바로 위 또는 바로 아래에 다른 회로의 통로가 있어서 회로들이 열교환을 가능하게 하기 위해 대체된다. 회로들 중 적어도 하나의 모든 통로는 결정된 형태와 결정된 높이를 갖는 판 내에서 압인 찍기(printing)에 의해 그리고 유체의 통로를 가능하게 하기 위한 판의 천공(perforation)에 의해 형성되는 샤프트에 의해 소통할 수 있다.The void space between two successive plates constitutes one passage of the circuits, and there is a passage of the other circuit just above or just below the passage so that the circuits are replaced to enable heat exchange. All passages in at least one of the circuits may be communicated by a shaft formed by stamping in a plate having a determined shape and a determined height and by perforation of the plate to enable passage of the fluid. Can be.

판이 적층되면, 샤프트 중 압인된 영역은 다른 회로의 통로를 가로지르며 동일한 회로의 대체되는 통로 간의 소통을 생성한다. 샤프트의 압인된 형태는 일반적으로 둥글거나 타원형이다.When the plates are stacked, the stamped areas of the shaft cross the passages of other circuits and create communication between alternate passages of the same circuit. The stamped form of the shaft is generally round or oval.

샤프트를 포함하는 압인된 영역은 열교환이 이루어지지 않는다면 웨이브도 날개도 나타내지 않는다. 결국, 당해 기술 분야에서 공지된 열교환기의 샤프트는 열교환 영역의 외부에 위치되며, 달리 말하면, 판이 합체되며, 일 측면에 샤프트의 자리를 위한 재료의 보충 영역이 위치된다. 이것은 샤프트가 냉각될 가스의 재순환을 방해하지 않는 한 열교환 표면을 최대화하게 한다. 그러나 이 방법은 교환기 크기를 상당한 증가시키는 불편함을 나타내므로 엔진에 적용할 때는 문제가 된다.The stamped area, including the shaft, shows neither waves nor wings unless heat exchange occurs. As a result, the shaft of the heat exchanger known in the art is located outside of the heat exchange zone, in other words, the plates are coalesced, and on one side a replenishment zone of material for the seating of the shaft is located. This allows the heat exchange surface to be maximized as long as the shaft does not interfere with the recirculation of the gas to be cooled. However, this method presents an inconvenience of significantly increasing the size of the exchanger, which is a problem when applied to an engine.

본 발명은 엔진에 더 나은 결합을 제공하고 또한 양호한 열효율을 보장함으로써 당해 기술 분야에 공지된 적층된 층을 구비한 교환기의 불편함을 개선하는 적층된 층을 구비한 열교환기를 제공하는 것을 목적으로 한다.It is an object of the present invention to provide a heat exchanger with laminated layers which improves the inconvenience of an exchanger with laminated layers known in the art by providing a better coupling to the engine and also ensuring good thermal efficiency. .

본 발명의 적층된 판을 구비한 열교환기는 대체되는 층으로서 상기 판에 의해 한정되는 2개의 독립 회로 사이로 냉각될 유체와 냉각 유체가 흐르는 복수의 적층된 판을 포함하는 형태로서, 상기 판은 정해진 한 영역이 열교환되도록 하고, 냉각될 유체의 유입구와 유출구, 및 상기 판에서 압인된 냉각 유체의 유입구 및 유출구(또는, "유로" 혹은 "통로")를 포함하고, 샤프트는 판의 열교환 영역에서 만나는 것을 특징으로 한다.A heat exchanger having a laminated plate of the present invention is a form in which a fluid to be cooled between two independent circuits defined by the plate as a replaced layer and a plurality of laminated plates through which the cooling fluid flows, the plate being defined Allowing the area to be heat exchanged and comprising an inlet and an outlet of the fluid to be cooled, and an inlet and outlet (or "flow" or "path") of the cooling fluid pressurized in the plate, wherein the shaft meets at the heat exchange area of the plate. It features.

샤프트가 판의 열교환 영역에서 만나기 때문에, 교환기의 전체 부피를 줄이는 것과 엔진에 결합을 개선하는 것이 가능하다. 결국, 당업계의 경우에서처럼 샤프트를 두기 위해 판에 보충 재료 영역을 수용할 필요가 없어진다. 따라서, 판의 열교환 영역에서 샤프트의 형상(geometry)과 배치가 열교환에 있어 장애가 되지 않는다.Since the shaft meets in the heat exchange zone of the plate, it is possible to reduce the overall volume of the exchanger and to improve the coupling to the engine. As a result, there is no need to accommodate a region of supplementary material in the plate to place the shaft as in the case of the art. Thus, the geometry and arrangement of the shafts in the heat exchange zone of the plates are not an obstacle to heat exchange.

바람직하게, 적층된 판의 열교환 및 교환기의 기계적 저항을 개선하기 위해 열교환 영역에 배치된 웨이브 및/또는 날개를 수용한다.Preferably, it accommodates waves and / or vanes arranged in the heat exchange zone to improve the heat exchange of the laminated plate and the mechanical resistance of the exchanger.

본 발명의 일 실시예에 따르면, 샤프트는 상당히 연장된 형태를 나타내고, 더 긴 길이를 가진 측면은 냉각될 유체가 순환하는 방향으로 향한다. 또한, 샤프트는 냉각될 유체의 통로의 가로 방향으로 상당히 축소된 크기를 가지며, 이것은 열교환 시에 상기 연장된 샤프트의 표면 영향을 최소화하게 한다.According to one embodiment of the invention, the shaft shows a significantly extended form, the longer side faces towards the direction in which the fluid to be cooled circulates. In addition, the shaft has a size that is significantly reduced in the transverse direction of the passage of the fluid to be cooled, which minimizes the surface influence of the elongated shaft upon heat exchange.

바람직하게, 연장된 샤프트는 판의 중간 영역 혹은 주변 영역에 위치한다.Preferably, the extended shaft is located in the middle region or the peripheral region of the plate.

이 실시예는 냉각될 유입구와 유출구가 적층된 판의 그룹의 동일한 말단에 인접한 위치에 배치되고, 반대편 말단은 닫혀 있고, 진행하는 통로와 복귀하는 통로를 한정하는 "U"자 형태의 열교환기에 알맞다. 이때, 연장된 샤프트보다 더 긴 길이를 갖는 칸막이 벽은 냉각될 유체가 진행하는 통로와 복귀하는 통로를 분리하는 것이 가능하다. 연장된 샤프트에 대한 이러한 디자인은 판과 다른 판 간에 다양한 방향에서 "U"자 형태를 용이하게 한다.This embodiment is suitable for a "U" shaped heat exchanger which is arranged at a position adjacent to the same end of the group of plated inlet and outlet outlets to be cooled, the opposite end being closed and defining an ongoing passage and a returning passage. . At this time, the partition wall having a length longer than the elongated shaft makes it possible to separate the passage through which the fluid to be cooled proceeds and the passage through. This design for the elongated shaft facilitates the "U" shape in various directions between the plate and the other plate.

본 발명의 다른 일 실시예에 따르면, 냉각 유체에 결합되는 샤프트는 냉각될 유체의 유출구 영역에 근접한 판의 측면 상에 위치해 있다.According to another embodiment of the invention, the shaft coupled to the cooling fluid is located on the side of the plate proximate the outlet region of the fluid to be cooled.

이 경우, 냉각될 유체의 흐름 중 단지 일 부분만이 유출구 영역에 도착하면서 샤프트의 칸막이 벽에 접촉하여 샤프트와의 접촉이 최소화되기 때문에, 양호한 열효율을 보장하며 교환기의 전체 부피를 감소시키는 것이 가능하다.In this case, it is possible to ensure good thermal efficiency and reduce the total volume of the exchanger since only a portion of the flow of fluid to be cooled reaches the outlet area and contacts the partition wall of the shaft to minimize contact with the shaft. .

바람직하게, 샤프트는 거의 원형 혹은 타원형의 형태를 나타낸다.Preferably, the shaft is in a nearly circular or elliptical form.

이 실시예는 냉각될 유체의 유입구와 유출구가 적층된 판의 그룹의 2개의 대향하는 말단에 배치되는 직선 형태의 열교환기에 알맞다.This embodiment is suitable for a straight heat exchanger arranged at two opposing ends of a group of plated inlets and outlets of fluid to be cooled.

앞서 기술된 설명을 용이하게 하기 위해, 제한되지 않는 예로서 도식적으로 본 발명의 적층된 판을 갖는 교환기의 실시예의 2개의 적용 경우를 나타내는 도면을 첨부한다.BRIEF DESCRIPTION OF THE DRAWINGS In order to facilitate the foregoing description, accompanying drawings which show two application cases of embodiments of exchangers with stacked plates of the present invention by way of non-limiting example are attached.

도 1은 종래 적층 판을 가진 열교환기의 사시도,1 is a perspective view of a heat exchanger having a conventional laminated plate,

도 2는 도 1의 교환기의 횡단면도,2 is a cross-sectional view of the exchanger of FIG. 1, FIG.

도 3은 본 발명의 제 1 실시예에 따른 판의 사시도,3 is a perspective view of a plate according to a first embodiment of the present invention,

도 4는 본 발명의 제 1 실시예에 따른 열교환기의 사시도,4 is a perspective view of a heat exchanger according to a first embodiment of the present invention;

도 5는 본 발명의 제 2 실시예에 따른 열교환기의 사시도.5 is a perspective view of a heat exchanger according to a second embodiment of the present invention.

도 1 및 도 2는 복수의 적층 판(2)을 포함하고, 상기 판(2)에 의해 한정된 2개의 독립된 회로(2a, 2b)에서 냉각될 가스와 냉각 액체가 그 판 사이를 순환하는, 당업계에 알려진 EGR(exhaust gas recirculation) 타입의 열교환기(1)를 도시한다.1 and 2 comprise a plurality of laminated plates 2, in which the gas to be cooled and the cooling liquid circulate between the plates in two independent circuits 2a, 2b defined by the plates 2. A heat exchanger 1 of an exhaust gas recirculation (EGR) type known in the art is shown.

열교환 뿐만 아니라 교환기의 기계적 저항을 개선하기 위해 판(2)은 압인된 웨이브(3)(도 3 참조) 및/또는 냉각될 가스의 회로(2a)의 판 사이에 배치된 날개와 같은 냉각될 가스의 교란 수단(3a)을 수용할 수 있다.In order to improve not only the heat exchange but also the mechanical resistance of the exchanger, the plate 2 is a gas to be cooled, such as a vane disposed between the plated wave 3 (see FIG. 3) and / or the plate of the circuit 2a of the gas to be cooled. Disturbance means 3a can be accommodated.

또한, 교환기(1)는 판(2)에서 압인된 냉각 액체의 유입구(4)와 유출구(5)의 샤프트, 배기 가스의 재순환 직선 방향으로 배치된 냉각될 가스의 유입구(6)와 유출구(7), 상부 지지 판(8)과 하부 지지 판(9), 및 재순환 직선 방향의 가스의 유입구와 유출구의 분기 회로 수단(10, 11)을 수용한다.In addition, the exchanger 1 is provided with a shaft of the inlet 4 and the outlet 5 of the cooling liquid pressurized by the plate 2, an inlet 6 and an outlet 7 of the gas to be cooled arranged in the recirculation direction of the exhaust gas. ), The upper support plate 8 and the lower support plate 9, and branch circuit means 10 and 11 of the inlet and outlet of the gas in the recirculation linear direction.

도 1에 도시된 바와 같이, 샤프트(4, 5)는 열교환 영역의 외부에서 보충 영역 내부에 위치한다. 이는 샤프트가 냉각될 가스의 순환에 방해가 되지 않는 한 열교환의 표면을 최대화하도록 해 주지만, 교환기(1)의 크기를 상당히 증가시켜 엔진에 적용할 때는 문제가 된다.As shown in FIG. 1, the shafts 4, 5 are located inside the replenishment zone outside of the heat exchange zone. This allows the shaft to maximize the surface of the heat exchange as long as it does not interfere with the circulation of the gas to be cooled, but it is a problem when applied to the engine by significantly increasing the size of the exchanger 1.

도 3 및 도 4는 샤프트(4a, 5a)가 판(2)의 열교환 영역에서 만나는 교환기의 제 1 실시예를 도시한다. 구체적으로, 샤프트(4a, 5a)는 상당히 연장된 형태를 나타내고, 더 긴 길이를 가진 측면은 냉각될 가스가 순환하는 방향으로 향한다(도 3 참조).3 and 4 show a first embodiment of an exchanger where the shafts 4a, 5a meet in the heat exchange zone of the plate 2. Specifically, the shafts 4a and 5a exhibit a significantly extended form, with the longer side faces towards the direction in which the gas to be cooled circulates (see FIG. 3).

또한, 샤프트(4a, 5a)는 냉각될 가스의 통로의 가로 방향으로 상당히 축소된 크기를 가지며, 이것은 열교환 시에 상기 연장된 샤프트(4a, 5a)의 표면 영향을 최소화하게 한다.In addition, the shafts 4a and 5a have a significantly reduced size in the transverse direction of the passage of the gas to be cooled, which minimizes the surface influence of the elongated shafts 4a and 5a upon heat exchange.

연장된 샤프트(4a, 5a)는 바람직하게 판(2)의 거의 중간 영역에 위치하고, 또한 주변부를 차지할 수도 있다.The elongated shafts 4a, 5a are preferably located almost in the middle region of the plate 2 and may also occupy the periphery.

이 실시예는 냉각될 가스의 유입구와 유출구가 적층된 판의 그룹의 동일한 말단에 인접한 위치에 배치되고, 반대편 말단은 닫혀 있고, 진행하는 통로와 복귀하는 통로를 한정하는 "U"자 형태의 열교환기에 알맞다.This embodiment is arranged in a position adjacent to the same end of the group of plates in which the inlet and outlet of the gas to be cooled is stacked, the opposite end is closed, and defines a "U" shaped heat exchanger defining an advancing passage and a return passage. Good for flag.

이때, 연장된 샤프트(4a, 5a)보다 더 긴 길이를 갖는 칸막이 벽은 냉각될 가스가 진행하는 통로와 복귀하는 통로를 분리하는 것이 가능하다. 판에서 진로를 같게 할 목적으로 만약 복귀하는 통로의 섹션을 더 작게 배치하려면, 연장된 샤프트(4a, 5a)를 중심에서 벗어나게(eccentric) 위치시키면 된다. 폐쇄 가스의 저장소(11)는 가스의 복귀를 위해 사용된다.At this time, the partition wall having a length longer than the extended shafts 4a and 5a makes it possible to separate the passage through which the gas to be cooled and the passage through return. If the section of the return passage is to be arranged smaller for the purpose of equalizing the path in the plate, the elongated shafts 4a, 5a may be positioned eccentrically. The closed gas reservoir 11 is used for the return of the gas.

도 5는 샤프트(4b, 5b)가 또한 판(2)의 열교환 영역에서 만나는 교환기(1b)의 제 2 실시예를 도시한다. 구체적으로, 샤프트(4b, 5b)는 냉각될 가스의 유출구(7) 영역에 근접하여 판(2)의 측면에 위치된다.FIG. 5 shows a second embodiment of the exchanger 1b in which the shafts 4b, 5b also meet in the heat exchange zone of the plate 2. Specifically, the shafts 4b and 5b are located on the side of the plate 2 in proximity to the region of the outlet 7 of the gas to be cooled.

이 경우, 냉각될 가스의 오직 일 부분만이 유출구(7) 영역에 도착하는 한편 샤프트(4b, 5b)의 칸막이 벽에 접촉하여 샤프트와의 접촉이 최소화되기 때문에, 교환기(1b)의 전체 부피를 줄이는 것과 양호한 열효율을 보장하는 것이 가능하다. 이 경우, 보통 샤프트는 거의 원형이거나 타원형을 나타낸다.In this case, only a portion of the gas to be cooled reaches the outlet 7 region while contacting the partition walls of the shafts 4b and 5b to minimize contact with the shaft, thus reducing the overall volume of the exchanger 1b. It is possible to reduce and ensure good thermal efficiency. In this case, usually the shaft is almost circular or elliptical.

이 실시예는 냉각될 가스의 유입구와 유출구가 적층된 판의 그룹의 2개의 대향하는 말단에 배치되는 직선 타입의 열교환기에 알맞다.This embodiment is suitable for a straight heat exchanger arranged at two opposite ends of a group of plates in which the inlet and outlet of the gas to be cooled are stacked.

그러나, 이 실시예는 복귀하는 통로를 관통한 후에, 냉각될 가스의 흐름이 샤프트(4b, 5b)의 칸막이 벽과 만나고 또한 모든 섹션에서 가스의 분배와 열교환을 교란시키게 되므로, "U"자 형태의 타입의 열교환기에 적용되지 않는다.However, this embodiment is of the "U" shape, after passing through the return passage, the flow of gas to be cooled encounters the partition walls of the shafts 4b and 5b and also disturbs the distribution and heat exchange of the gas in all sections. Does not apply to heat exchangers of the type.

이 두 실시예는 교환기의 크기를 줄여주고 또한 엔진에 결합을 개선시켜 양호한 열효율을 보장하게 한다.These two embodiments reduce the size of the exchanger and also improve the coupling to the engine to ensure good thermal efficiency.

Claims (6)

적층된 판을 구비한 열교환기(1)로서, 상기 열교환기는 대체되는 층으로서 상기 판(2)에 의해 한정되는 2개의 독립 회로(2a, 2b) 사이로 냉각될 유체와 냉각 유체가 흐르는 복수의 적층된 판(2)을 포함하고, 상기 판(2)은 열교환으로 정해진 영역, 냉각될 유체의 유입구(6)와 유출구(7), 및 상기 판(2)에서 압인된 냉각 유체의 유입구 샤프트(4a, 4b)와 유출구 샤프트(5a, 5b)를 포함하는, 열교환기에 있어서,A heat exchanger (1) having a laminated plate, the heat exchanger being a layer to be replaced between two independent circuits (2a, 2b) defined by the plate (2) and a plurality of stacks through which the cooling fluid flows. A plate (2), said plate (2) having an area defined by heat exchange, an inlet (6) and an outlet (7) of the fluid to be cooled, and an inlet shaft (4a) of the cooling fluid pressed in the plate (2). 4b) and outlet shafts 5a, 5b, comprising: 상기 샤프트(4a, 5a, 4b, 5b)는 상기 판(2)의 열교환 영역에서 만나는 것을 특징으로 하는The shafts 4a, 5a, 4b and 5b are characterized in that they meet in the heat exchange zone of the plate 2. 열교환기.heat transmitter. 제 1 항에 있어서,The method of claim 1, 상기 샤프트(4b, 5b)는 상당히 연장된 형태를 나타내며, 더 긴 길이를 갖는 측면은 냉각될 유체의 순환 방향으로 향해 있는 것을 특징으로 하는The shafts 4b and 5b exhibit a significantly extended shape, characterized in that the side with the longer length is directed in the direction of circulation of the fluid to be cooled. 열교환기.heat transmitter. 제 2 항에 있어서,The method of claim 2, 상기 연장된 샤프트(4b, 5b)는 상기 판(2)의 중앙 혹은 주변 영역에 위치하고 있는 것을 특징으로 하는The elongated shafts 4b and 5b are characterized in that they are located in the central or peripheral region of the plate 2. 열교환기.heat transmitter. 제 2 항 또는 제 3 항에 있어서,The method of claim 2 or 3, "U"자 형태의 타입으로, 냉각될 유체의 유입구(6)와 유출구(7)가 적층된 판(2)의 그룹의 동일한 말단에 인접한 위치에 배치되고, 반대편 말단은 닫혀 있고, 진행하는 통로와 복귀하는 통로를 한정하며, 연장된 샤프트보다 더 긴 길이를 갖는 칸막이 벽은 냉각될 유체가 진행하는 통로와 복귀하는 통로를 분리할 수 있는 것을 특징으로 하는In the form of a “U” shape, the inlet 6 and outlet 7 of the fluid to be cooled are disposed at a position adjacent to the same end of the group of laminated plates 2, with the opposite end closed and running. A partition wall having a length longer than the elongated shaft, the partition wall being capable of separating a passage through which the fluid to be cooled proceeds and a return passage. 열교환기.heat transmitter. 제 1 항에 있어서,The method of claim 1, 냉각 유체에 결합된 상기 샤프트(4a, 5a)는 냉각될 유체의 유출구(7) 영역에 근접한 판(2)의 측면에 위치하는 것을 특징으로 하는The shafts 4a, 5a coupled to the cooling fluid are located on the side of the plate 2 proximate to the region of the outlet 7 of the fluid to be cooled. 열교환기.heat transmitter. 제 5 항에 있어서,The method of claim 5, wherein 상기 샤프트(4a, 5a)는 거의 원형이거나 또는 타원형의 형태를 나타내는 것을 특징으로 하는The shafts 4a and 5a are characterized in that they are almost circular or oval in shape. 열교환기.heat transmitter.
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