WO2014103639A1 - Compound heat exchanger - Google Patents

Compound heat exchanger Download PDF

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Publication number
WO2014103639A1
WO2014103639A1 PCT/JP2013/082569 JP2013082569W WO2014103639A1 WO 2014103639 A1 WO2014103639 A1 WO 2014103639A1 JP 2013082569 W JP2013082569 W JP 2013082569W WO 2014103639 A1 WO2014103639 A1 WO 2014103639A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
refrigerant
cooling air
radiator
tank
Prior art date
Application number
PCT/JP2013/082569
Other languages
French (fr)
Japanese (ja)
Inventor
吉田　宏行
Original Assignee
カルソニックカンセイ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by カルソニックカンセイ株式会社 filed Critical カルソニックカンセイ株式会社
Priority to CN201380067054.3A priority Critical patent/CN104903675B/en
Publication of WO2014103639A1 publication Critical patent/WO2014103639A1/en

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Classifications

    • 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
    • F28D9/005—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 the plates having openings therein for both heat-exchange media
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
    • F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
    • F28D1/0452—Combination of units extending one behind the other with units extending one beside or one above the other
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • 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
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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
    • 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
    • F28D2021/0084—Condensers

Definitions

  • the present invention relates to a composite heat exchanger.
  • Patent Document 1 describes a composite heat exchanger mounted on an automobile.
  • the composite heat exchanger exchanges heat between the first heat exchanger that exchanges heat between the first refrigerant and the second refrigerant, and the first refrigerant that flows out of the first heat exchanger and the cooling air.
  • the second heat exchanger and the third heat exchanger are adjacent to each other in the vertical direction with the longitudinal direction being the left-right direction (vehicle width direction) and the short direction being the vertical direction (vehicle height direction). It is arranged.
  • the first heat exchanger is positioned at the left and right ends of one tank portion of the second heat exchanger and one tank portion of the third heat exchanger, and one tank portion of the second heat exchanger. And one of the tank portions of the third heat exchanger.
  • the first heat exchanger is disposed at the end in the longitudinal direction (left-right direction) between the second heat exchanger and the third heat exchanger. For this reason, the length in the longitudinal direction is increased by the thickness of the first heat exchanger and the protruding length of the pipe protruding in the left-right direction from the first heat exchanger.
  • the width (length in the left-right direction) of the second heat exchanger and the third heat exchanger with respect to the mounting width on which the composite heat exchanger can be mounted is shortened, and the second heat exchanger and the third heat exchanger
  • the width of the radiator part is also shortened.
  • the area (cooling effective area) of each radiator part becomes narrow, and cooling efficiency is bad.
  • An object of the present invention is to provide a composite heat exchanger in which the cooling efficiency is improved by increasing the area (cooling effective area) of each radiator section.
  • the composite heat exchanger includes a first heat exchanger that exchanges heat between the first refrigerant and the second refrigerant, and the first refrigerant that flows out of the first heat exchanger and the cooling air.
  • the second heat exchanger includes a second heat exchanger radiator portion and second heat exchanger tank portions located on the left and right of the second heat exchanger radiator portion.
  • the third heat exchanger includes a third heat exchanger radiator portion and third heat exchanger tank portions located on the left and right of the third heat exchanger radiator portion.
  • the second heat exchanger and the third heat exchanger are disposed adjacent to each other in the vertical direction.
  • the first heat exchanger is disposed on the upstream side or the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger.
  • the first heat exchanger includes: the second heat exchanger radiator portion; the third heat exchanger radiator portion; one of the second heat exchanger tank portions adjacent to each other; and the third heat exchanger tank portion. It is attached across one side.
  • a 2nd heat exchanger and a 3rd heat exchanger are arrange
  • the first heat exchanger is connected to the second heat exchanger radiator and the third heat exchanger radiator adjacent to each other, and one of the second heat exchanger tank and one of the third heat exchanger tanks. It is mounted across. For this reason, the width (length in the left-right direction) of the second heat exchanger and the third heat exchanger relative to the width in which the composite heat exchanger can be mounted can be increased, and the width of each radiator section can be increased. it can. Thereby, the area (cooling effective area) of a 2nd heat exchanger radiator part and a 3rd heat exchanger radiator part can be enlarged, and cooling efficiency can be improved accordingly.
  • one of the second heat exchanger tank portions has a first refrigerant inlet portion and a first refrigerant outlet portion
  • one of the third heat exchanger tank portions has a second refrigerant inlet portion and a second refrigerant outlet portion. And a refrigerant outlet.
  • the piping is concentrated at one place, so that the handling of the piping and the mounting workability of the piping are improved.
  • the first heat exchanger is disposed on the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger, and the first refrigerant inlet portion is the second heat exchanger.
  • the second refrigerant inlet portion and the second refrigerant outlet portion extend in one direction of the cooling air toward one of the tank portions, and the cooling air flows in one direction of the third heat exchanger tank portion. You may extend towards.
  • the first heat exchanger may include a first refrigerant inlet portion, a first refrigerant outlet portion, a second refrigerant inlet portion, and a second refrigerant outlet portion that extend in the flow direction of the cooling air. Good.
  • FIG. 1 is a perspective view of the composite heat exchanger according to the first embodiment of the present invention viewed from the downstream side (rear side) of the flow of cooling air.
  • FIG. 2 is a partially exploded perspective view of the composite heat exchanger shown in FIG.
  • FIG. 3 is a partially exploded perspective view of the disassembled portion of the composite heat exchanger shown in FIG. 2 as viewed from the upstream side (front side) of the flow of cooling air.
  • FIG. 4 is a partial view of the main part of the composite heat exchanger shown in FIG. 1 as viewed from the upstream side (front side) of the cooling air flow.
  • FIG. 1 is a perspective view of the composite heat exchanger according to the first embodiment of the present invention viewed from the downstream side (rear side) of the flow of cooling air.
  • FIG. 2 is a partially exploded perspective view of the composite heat exchanger shown in FIG.
  • FIG. 3 is a partially exploded perspective view of the disassembled portion of the composite heat exchanger shown in FIG. 2 as
  • FIG. 5A is an explanatory diagram illustrating a relationship between a mounting width in which the composite heat exchanger can be mounted and a width of the radiator unit according to the first embodiment of the present invention.
  • FIG. 5B is an explanatory diagram illustrating the relationship between the mounting width in which the composite heat exchanger can be mounted and the width of the radiator portion, according to a comparative example.
  • FIG. 6 is a configuration diagram of a vehicle heat exchange system to which the composite heat exchanger shown in FIG. 1 is applied.
  • FIG. 7 is a partially exploded perspective view of the first heat exchanger shown in FIG.
  • FIG. 8 is an explanatory diagram showing a joint portion between the first plate and the second plate.
  • FIG. 9 is a partially exploded perspective view similar to FIG. 3 showing a composite heat exchanger according to a second embodiment of the present invention.
  • FIG. 10 is a partially exploded perspective view similar to FIG. 3 showing a composite heat exchanger according to a third embodiment of the present invention.
  • FIG. 1 is a perspective view of the composite heat exchanger 21 according to the first embodiment of the present invention as viewed from the downstream side [rear (back side)] of the flow of cooling air.
  • FIG. 2 is a partially exploded perspective view of the composite heat exchanger 21.
  • FIG. 3 is a partial exploded perspective view of the disassembled portion of the composite heat exchanger 21 as viewed from the upstream side (front (front) side) of the flow of cooling air.
  • FIG. 4 is a partial view of the main part of the composite heat exchanger 21 as viewed from the upstream side (front (front side) side) of the flow of cooling air.
  • Figure 5A is an explanatory diagram showing the relationship between the width L 1 of the mounting width L and the radiator unit can be mounted to composite heat exchanger 21.
  • FIG. 5B is an explanatory diagram showing the relationship between the width L 2 of the mounting width L and the radiator unit can be mounted to composite heat exchanger according to the comparative example.
  • FIG. 6 is a configuration diagram of the vehicle heat exchange system 1 to which the composite heat exchanger 21 is applied.
  • FIG. 7 is a partially exploded perspective view of the first heat exchanger 8.
  • FIG. 8 is an explanatory view showing a joint portion between the first plate 81 and the second plate 82.
  • the vehicle heat exchange system 1 to which the composite heat exchanger 21 according to the first embodiment of the present invention is applied includes a main radiator (heat exchanger) 3 that cools the cooling water of the engine 2 as shown in FIG.
  • a sub-radiator (third heat exchanger) 7 that cools the refrigerant for the water-cooled charge air cooler (water-cooled CAC) 6, a water-cooled condenser (first heat exchanger) 8, and a refrigerant for air conditioning in the vehicle interior
  • An air-cooled condenser (second heat exchanger) 11 is provided.
  • the main radiator 3 is provided on the upstream side (front side) of the cooling air flow of the motor fan 5.
  • the main radiator 3 has a plurality of tubes (not shown) through which cooling water for the engine 2 flows, and performs heat exchange with cooling air flowing outside the tubes.
  • the cooling water for the engine 2 is circulated by the pump 4.
  • the sub-radiator 7 is disposed on the upstream side of the cooling air flow of the main radiator 3 and in the upper half area of the main radiator 3.
  • the sub-radiator 7 has a plurality of tubes (not shown) through which cooling water, which is the second refrigerant for the water-cooled charge air cooler 6, flows and exchanges heat with the cooling air flowing outside the tubes. .
  • Cooling water for the water-cooled charge air cooler 6 is circulated by the pump 9.
  • the air (intake air) supplied to the engine 2 is compressed by the turbo unit 12 using the exhaust gas and becomes high temperature, the high temperature compressed air is cooled by the water-cooled charge air cooler 6.
  • the air density supplied to the engine 2 can be improved by cooling the intake air, the combustion efficiency of the engine 2 is improved.
  • the water-cooled charge air cooler 6 exchanges heat between the compressed intake air supplied to the engine 2 and the cooling water to cool the intake air of the engine 2.
  • the air-cooled condenser 11 is arranged on the upstream side of the cooling air flow of the main radiator 3 and in the lower half area of the main radiator 3.
  • the air-cooled condenser 11 has a plurality of tubes (not shown) through which the air-conditioning refrigerant that is the first refrigerant flows, and performs heat exchange with cooling air flowing outside the tubes.
  • the water-cooled condenser 8 and the air-cooled condenser 11 are connected in series in the refrigeration cycle with the water-cooled condenser 8 as the upstream.
  • the air-conditioning refrigerant which is the first refrigerant that has been made high-temperature and high-pressure by the compressor (compressor) 10 in the refrigeration cycle, first flows into the water-cooled condenser 8 and then flows out into the air-cooled condenser 11.
  • the cooling water that is the second refrigerant cooled by the sub-radiator 7 flows into the water-cooled condenser 8, exchanges heat with the air-conditioning refrigerant, and then flows into the water-cooled charge air cooler 6.
  • the water-cooled condenser 8 includes first plates 81 and second plates 82 that are alternately stacked, and first and second plates 82 that are alternately interposed between the first plate 81 and the second plate 82.
  • a spacer 83, a second spacer 84, and an inner fin 86 whose outer periphery is surrounded by the first spacer 83 are provided.
  • the first plate 81 and the second plate 82 have outer peripheral walls 811 and 821 that protrude in the same direction in the stacking direction.
  • the outer peripheral walls 811 and 821 are provided with stepped portions 812 and 822 where adjacent ones come into contact with each other.
  • Each plate 81, 82 includes a plurality of beats (projections) 813, 823 that protrude toward the second flow path 8b, which will be described later, and whose tips abut against each other.
  • the contact surfaces of these beats 813 and 823 are also brazed.
  • the first plate 81 and the second plate 82 include a pair (two) of first communication holes 814 and 824 through which air-conditioning refrigerant flows, and a pair of (two) second communication holes 815 and 825 through which cooling water flows. Respectively.
  • the second flow paths 8b through which the cooling water flows are alternately provided.
  • annular projecting edge portions 814a and 824a around the first communication holes 814 and 824 project into the second channel 8b, and within the second channel 8b. They are brazed and joined in an overlapping state.
  • annular projecting edge portions 815a and 825a around the second communication holes 815 and 825 project into the first flow path 8a and are brazed and joined in a state of overlapping with each other in the first flow path 8a.
  • the first plate 81 and the second plate 82 are brazed and joined in an overlapping state.
  • the first communication holes 814 and 824 are opened in the first flow path 8a, and the second communication holes 815 and 825 are closed.
  • the air-conditioning refrigerant that flows into the first flow paths 8a from the first communication holes 814 and 824 and flows through the first flow paths 8a flows out of the other first communication holes 814 and 824, respectively.
  • the second communication holes 815 and 825 are opened, and the first communication holes 814 and 824 are closed.
  • the cooling water that flows into the second flow paths 8b from the two communication holes 815 and 825 and flows through the second flow paths 8b flows out of the other second communication holes 815 and 825, respectively.
  • the contact surfaces of the inner fins 86 and the plates 81 and 82 are also brazed.
  • the first spacer 83 is disposed in the first flow path 8a.
  • the first spacer 83 includes a pair (two pieces) provided at positions corresponding to the fin housing openings 831 for housing the inner fins 86 and the pair (two) first communication holes 814 and 824 of the plates 81 and 82. ) First communication holes 832 and a pair (two) second communication holes 833 provided at positions corresponding to the pair (two) second communication holes 815 and 825 of the plates 81 and 82. is doing.
  • the first spacer 83 is arranged so as to surround the entire circumference of the inner fin 86.
  • Each first communication hole 832 is open to the fin housing opening 831.
  • the air-conditioning refrigerant can flow into and out of the first flow path 8a, but does not flow in the both end directions from the positions of the first communication holes 814 and 824.
  • Each of the second communication holes 833 is provided with a larger diameter than the protruding edge portions 815a and 825a around the second communication holes 815 and 825 of the plates 81 and 82.
  • the first spacer 83 is disposed so as to surround the protruding edge portions 815a and 825a of the second communication holes 815 and 825.
  • the second spacer 84 is disposed in the second flow path 8b.
  • the second spacer 84 has an annular shape.
  • the second spacer 84 is disposed at a corresponding position around the pair of first communication holes 814 and 824 of the plates 81 and 82.
  • the inner peripheral diameter of the second spacer 84 is larger than the protruding edge portions 814a and 824a around the first communication holes 814 and 824 of the plates 81 and 82, respectively.
  • the second spacer 84 is disposed so as to surround the protruding edges 814a and 824a of the first communication holes 814 and 824.
  • the air-conditioning refrigerant that has been changed to a high-temperature and high-pressure gas state by the compressor 10 of the refrigeration cycle is firstly connected to one first communication hole 814 of the water-cooled condenser 8 via the first refrigerant inlet of the water-cooled condenser 8. 824, 832.
  • the air-conditioning refrigerant flows through the first flow path 8a between the first plate 81 and the second plate 82, and the air-cooled condenser from the other first communication hole 814, 824, 832 through the first refrigerant outlet. 11 will flow out.
  • the cooling water cooled by the sub-radiator 7 flows into one of the second communication holes 815, 825, and 833 of the water-cooled condenser 8 through the second refrigerant inlet of the water-cooled condenser 8.
  • the composite heat exchanger 21 includes a first heat exchanger (water-cooled condenser) 8 that exchanges heat between the first refrigerant and the second refrigerant, and a first refrigerant that flows out of the first heat exchanger 8.
  • Heat exchange is performed between the second heat exchanger (air-cooled condenser) 11 that exchanges heat between the (air-conditioning refrigerant) and the cooling air, and the second refrigerant (cooling water) and the cooling air.
  • a third heat exchanger (sub-radiator) 7 that flows out to the first heat exchanger 8.
  • the first heat exchanger 8 includes a first flow path 8a (see FIG. 7), a first cylinder portion 8d as a first refrigerant inlet that allows the first refrigerant to flow into the first flow path 8a, and a first flow path.
  • a second cylinder 8e (see FIG. 2) as a first refrigerant outlet for allowing the first refrigerant to flow out of 8a, and a second channel 8b (see FIG. 7) for exchanging heat between the first channel 8a.
  • the third cylinder part 8f as a second refrigerant inlet part for allowing the second refrigerant to flow into the second flow path 8b
  • the fourth cylinder part as a second refrigerant outlet part for allowing the second refrigerant to flow out of the second flow path 8b.
  • the first cylinder portion 8d, the third cylinder portion 8f, and the fourth cylinder portion 8g are provided to extend from the first heat exchanger 8 toward the rear side (downstream side of the cooling air flow).
  • the second cylinder portion 8e extends from the first heat exchanger 8 toward the front side (upstream side of the cooling air flow).
  • the first heat exchanger 8 includes a bracket 8h protruding rightward from the first tube portion 8d, a bracket 8j protruding downward from the second tube portion 8e, and a bracket 8l protruding upward from the left end to the front side. And are provided.
  • the second heat exchanger 11 is arranged with the longitudinal direction set to the left-right direction (vehicle width direction) and the short-side direction set to the vertical direction (vehicle height direction).
  • the heat exchanger radiator section 11a includes a second heat exchanger first tank section 11b and a second heat exchanger second tank section 11c disposed on the left and right sides of the second heat exchanger radiator section 11a.
  • the second heat exchanger first tank portion 11b and the second heat exchanger second tank portion 11c are each provided with a separator 11d at the same height from the lower side inside.
  • the second heat exchanger 11 is divided into two heat exchanger parts up and down by the separator 11d.
  • a cylindrical recess 11e serving as a first refrigerant inlet, to which the second cylinder 8e of the first heat exchanger 8 is fitted and connected, is on the second heat exchanger first tank 11b. And a cylindrical portion 11g as a first refrigerant outlet portion is provided on the lower left side.
  • the cylindrical recess 11e is provided extending from the second heat exchanger first tank portion 11b toward the rear side.
  • the cylinder part 11g is provided extending downward from the second heat exchanger first tank part 11b.
  • the second heat exchanger first tank portion 11b is provided with a bracket 11h at a position corresponding to the bracket 8j of the first heat exchanger 8.
  • the second heat exchanger second tank portion 11 c is provided with a liquid tank 11 x connected to the upper and lower heat exchanger portions of the second heat exchanger 11.
  • the liquid tank 11x is attached and fixed to the second heat exchanger second tank portion 11c by the hose band 31 and the bolt 32.
  • the heat exchanger portion of the second heat exchanger 11 above the separator 11d acts as a condenser that condenses the first refrigerant flowing from the cylindrical recess 11e.
  • the first refrigerant condensed in the upper heat exchanger part flows into the liquid tank 11x.
  • the first refrigerant that has flowed from the liquid tank 11x into the lower heat exchanger portion of the second heat exchanger 11 is cooled by the lower heat exchanger portion that acts as a supercooling portion, and flows out from the cylinder portion 11g.
  • the third heat exchanger 7 is a second heat exchanger in which the longitudinal direction is the left-right direction (vehicle width direction) and the short direction is the vertical direction (vehicle height direction). 11, a third heat exchanger radiator portion 7a located on the upper side of the second heat exchanger radiator portion 11a and a left and right sides of the third heat exchanger radiator portion 7a.
  • 2nd heat exchanger 1st tank part 11b The 3rd heat exchanger 1st tank part 7b located above the 2nd heat exchanger 2nd tank part 11c
  • the 3rd heat exchanger 2nd tank part 7c located above the 2nd heat exchanger 2nd tank part 11c And.
  • the third heat exchanger first tank part 7b is provided with a first cylinder part 7d as a second refrigerant inlet part on the upper side and a second cylinder part 7e as a second refrigerant outlet part on the lower side. Yes.
  • the first tube portion 7d and the second tube portion 7e are provided extending from the third heat exchanger first tank portion 7b toward the rear side.
  • the third heat exchanger first tank portion 7b is provided with a separator 7f that partitions the inside into an upper first tank portion and a lower first tank portion.
  • the third heat exchanger radiator portion 7a is divided into an upper radiator portion and a lower radiator portion by the separator 7f.
  • coolant cooling water which flowed into the 1st cylinder part 7d of the 3rd heat exchanger 7 flows into the 3rd heat exchanger radiator part 7a from the upper 1st tank part of the 3rd heat exchanger 1st tank part 7b. It flows into an upper radiator part, and flows out into the 3rd heat exchanger 2nd tank part 7c.
  • the second refrigerant flowing into the third heat exchanger second tank portion 7c is transferred from the lower radiator portion of the third heat exchanger radiator portion 7a to the lower first tank portion of the third heat exchanger first tank portion 7b. It flows in and flows out from the second cylinder part 7e.
  • a bracket portion 7g (see FIG. 2) is provided at a position corresponding to the bracket 8l of the first heat exchanger 8 on the lower left side of the third heat exchanger first tank portion 7b.
  • brackets 8j and 11h are fastened with a fastener such as a bolt, The first heat exchanger 8 and the second heat exchanger 11 are connected.
  • one end side of the L-shaped connecting pipe 41 is fitted and connected to the third cylindrical portion 8 f of the first heat exchanger 8, and the other end side of the connecting pipe 41 is connected to the second side of the third heat exchanger 7.
  • the first heat exchanger 8 and the third heat exchanger 7 are connected by fitting and connecting to the cylinder portion 7e and fastening the bracket 8l and the bracket portion 7g with a fastener such as a bolt.
  • both the second tank portions 11c and 7c of the second heat exchanger 11 and the third heat exchanger 7 are fastened together by using a fastener such as a bolt 32 or a connecting bracket 33, so that the second heat
  • a fastener such as a bolt 32 or a connecting bracket 33
  • the liquid tank 11x is also attached.
  • the 1st heat exchanger 8 is arrange
  • the widths of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which 21 can be mounted are shortened, and the widths L 2 (L 2 ⁇ L 1 ) of the radiator portions 11a and 7a are also shortened.
  • the second heat exchanger 11 and the third heat exchanger 7 are arranged adjacent to each other in the vertical direction, and the first The heat exchanger 8 is attached to the downstream side of the cooling air flow of the second heat exchanger 11 and the third heat exchanger 7.
  • the first heat exchanger 8 includes the radiator portions 11a and 7a of the second heat exchanger 11 and the third heat exchanger 7, the second heat exchanger first tank portion 11b of the second heat exchanger 11, and The third heat exchanger 7 is attached across the third heat exchanger first tank portion 7b.
  • the width (length in the left-right direction) of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which the composite heat exchanger 21 can be mounted can be increased, and each radiator section 11a, 7a width L 1 of the can also be lengthened. Thereby, the area (cooling effective area) of each radiator part 11a, 7a can be enlarged, and cooling efficiency improves.
  • a cylindrical recess (first refrigerant inlet portion) 11e and a cylindrical portion (first refrigerant outlet portion) 11g are provided in the second heat exchanger first tank portion 11b.
  • the third heat exchanger 7 is provided with a first cylinder part (second refrigerant inlet part) 7d and a second cylinder part (second refrigerant outlet part) 7e in the third heat exchanger first tank part 7b.
  • first cylinder part (first refrigerant inlet part) 8d, the third cylinder part (second refrigerant inlet part) 8f, and the fourth cylinder part (second refrigerant outlet part) 8g are cooled by the first heat exchanger 8. It extends in the direction of wind flow (downstream of the flow of cooling air).
  • a cylindrical recess (first refrigerant inlet portion) 11e extends toward the second heat exchanger first tank portion 11b of the second heat exchanger 11 in the flow direction of cooling air (downstream of the flow of cooling air). Is provided.
  • the first cylinder part (second refrigerant inlet part) 7d and the second cylinder part (second refrigerant outlet part) 7e flow into the third heat exchanger first tank part 7b of the third heat exchanger 7 in the flow direction of the cooling air. It extends toward the downstream side of the cooling air flow. For this reason, since piping is normally arrange
  • the third tube portion 8 f of the first heat exchanger 8 and the second tube portion 7 e of the third heat exchanger 7 are connected by the connection pipe 41. For this reason, even if the first heat exchanger 8 and the third heat exchanger 7 have a dimensional error, a mounting error, etc., and the positions of the third tube portion 8f and the second tube portion 7e are shifted, the third tube portion 8f. And the second tube portion 7e can be easily connected with the connection pipe 41 with good workability.
  • the second cylindrical portion 8e of the first heat exchanger 8 is directly attached to the cylindrical concave portion 11e of the second heat exchanger 11. For this reason, the piping which connects the heat exchangers 8 and 11 can be decreased.
  • FIG. 9 is a partially exploded perspective view similar to FIG.
  • the difference between the composite heat exchanger 21A according to the second embodiment shown in FIG. 9 and the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 is as follows. That is, the third cylinder portion 8fA corresponding to the third cylinder portion 8f of the composite heat exchanger 21 is provided in the first heat exchanger 8 so as to extend toward the front side (upstream side of the flow of cooling air). ing.
  • the third heat exchanger first tank portion 7b of the third heat exchanger 7 is provided with a cylindrical concave portion 7h into which the third cylindrical portion 8fA is fitted and connected as a second refrigerant outlet portion.
  • the third cylindrical portion 8fA of the first heat exchanger 8 is directly attached to the cylindrical recess 7h of the third heat exchanger 7. For this reason, the piping which connects each heat exchanger 8 and 7 can be decreased.
  • FIG. 10 is a partially exploded perspective view similar to FIG.
  • the difference between the composite heat exchanger 21B according to the third embodiment shown in FIG. 10 and the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 is as follows. That is, in order to connect and fix the heat exchangers 8, 11 and 7, the first heat exchanger 8 is provided with a connection bracket 8p instead of the bracket 8l. The 2nd heat exchanger 11 is provided with the connection bracket 11p connected with the connection bracket 8p. The third heat exchanger 7 is provided with a connection bracket 7p connected to the connection bracket 8p instead of the bracket portion 7g.
  • first to third heat exchangers 8, 11, and 7 are connected and fixed by the connecting brackets 8p, 11p, and 7p, the first to third heat exchangers 8, 11, and 7 can be firmly connected and fixed. .
  • the second heat exchanger 11 is disposed on the lower side in the vertical direction and the third heat exchanger 7 is disposed on the upper side of the second heat exchanger 11 has been shown.
  • the third heat exchanger 7 may be disposed on the lower side in the vertical direction
  • the second heat exchanger 11 may be disposed on the upper side of the third heat exchanger 7.
  • the example which attached the 1st heat exchanger 8 to the downstream (rear side) of the flow of the cooling air of the 2nd heat exchanger 11 and the 3rd heat exchanger 7 was shown.
  • the first heat exchanger 8 may be attached to the upstream side (front side) of the flow of cooling air between the second heat exchanger 11 and the third heat exchanger 7.
  • mold which has a radiator part up and down was shown.
  • the second heat exchanger 11 and the third heat exchanger 7 may have a one-pass configuration in which the refrigerant flows from one tank part to the other tank part.
  • the cylinder part 11g is shown facing downward. However, the cylindrical portion 11g may be directed toward the cooling air flow direction, particularly, the downstream side (rear side) of the cooling air flow.
  • the composite heat exchangers 21, 21A, and 21B are mounted on the vehicle, the mounting of the composite heat exchangers 21, 21A, and 21B is not limited to the vehicle.

Abstract

A compound heat exchanger (21, 21A, 21B) is provided with a first heat exchanger (8) and vertically adjacent second and third heat exchangers (11, 7). The first heat exchanger (8) is positioned either upstream or downstream with respect to the flow of cooling air from the second heat exchanger (11) and the third heat exchanger (7). The first heat exchanger (8) is mounted so as to extend from a second-heat-exchanger radiator section (11a) of the second heat exchanger (11) and a third-heat-exchanger radiator section (7a) of the third heat exchanger (7) to one of a pair of second-heat-exchanger tank parts (11b, 11c) on the second heat exchanger (11) and one of a pair of third-heat-exchanger tank parts (7b, 7c) on the third heat exchanger (7), said tank parts being adjacent to each other.

Description

複合型熱交換器Combined heat exchanger
　本発明は、複合型熱交換器に関する。 The present invention relates to a composite heat exchanger.
　特許文献１には、自動車に搭載される複合型熱交換器が記載されている。この複合型熱交換器は、第１冷媒と第２冷媒との間で熱交換する第１熱交換器と、第１熱交換器から流出する第１冷媒と冷却風との間で熱交換する第２熱交換器と、第２冷媒と冷却風との間で熱交換し、第２冷媒を第１熱交換器へ流出する第３熱交換器とを備えている。そして、第２熱交換器と第３熱交換器とを、長手方向を左右方向（車両の幅方向）にするとともに短手方向を上下方向（車両の高さ方向）にして、上下方向に隣接させて配置している。また、第１熱交換器を、第２熱交換器の一方のタンク部と第３熱交換器の一方のタンク部との左右方向の端に位置させて第２熱交換器の一方のタンク部と第３熱交換器の一方のタンク部とに跨らせて取り付けている。 Patent Document 1 describes a composite heat exchanger mounted on an automobile. The composite heat exchanger exchanges heat between the first heat exchanger that exchanges heat between the first refrigerant and the second refrigerant, and the first refrigerant that flows out of the first heat exchanger and the cooling air. A second heat exchanger; and a third heat exchanger that exchanges heat between the second refrigerant and the cooling air and flows the second refrigerant out to the first heat exchanger. Then, the second heat exchanger and the third heat exchanger are adjacent to each other in the vertical direction with the longitudinal direction being the left-right direction (vehicle width direction) and the short direction being the vertical direction (vehicle height direction). It is arranged. The first heat exchanger is positioned at the left and right ends of one tank portion of the second heat exchanger and one tank portion of the third heat exchanger, and one tank portion of the second heat exchanger. And one of the tank portions of the third heat exchanger.
特開２０１２－０８３０１４号公報JP 2012-083014 A
　上記した関連する複合型熱交換器は、第２熱交換器と第３熱交換器との長手方向（左右方向）の端に第１熱交換器を配置している。このため、長手方向の長さが第１熱交換器の厚さ、および、第１熱交換器から左右方向へ突出する配管の突出長だけ長くなる。 In the related composite heat exchanger described above, the first heat exchanger is disposed at the end in the longitudinal direction (left-right direction) between the second heat exchanger and the third heat exchanger. For this reason, the length in the longitudinal direction is increased by the thickness of the first heat exchanger and the protruding length of the pipe protruding in the left-right direction from the first heat exchanger.
　したがって、複合型熱交換器を搭載できる搭載幅に対する第２熱交換器と第３熱交換器との幅（左右方向の長さ）が短くなり、第２熱交換器と第３熱交換器とのラジエータ部の幅も短くなる。これにより、各ラジエータ部の面積（冷却有効面積）が狭くなり、冷却効率が悪い。 Therefore, the width (length in the left-right direction) of the second heat exchanger and the third heat exchanger with respect to the mounting width on which the composite heat exchanger can be mounted is shortened, and the second heat exchanger and the third heat exchanger The width of the radiator part is also shortened. Thereby, the area (cooling effective area) of each radiator part becomes narrow, and cooling efficiency is bad.
　本発明は、各ラジエータ部の面積（冷却有効面積）を広く取ることで冷却効率を向上させた複合型熱交換器を提供することを目的とする。 An object of the present invention is to provide a composite heat exchanger in which the cooling efficiency is improved by increasing the area (cooling effective area) of each radiator section.
　実施形態に係る複合型熱交換器は、第１冷媒と第２冷媒との間で熱交換する第１熱交換器と、前記第１熱交換器から流出する前記第１冷媒と冷却風との間で熱交換する第２熱交換器と、前記第２冷媒と冷却風との間で熱交換し、前記第２冷媒を前記第１熱交換器へ流出する第３熱交換器とを備える。ここで、前記第２熱交換器は、第２熱交換器ラジエータ部と、前記第２熱交換器ラジエータ部の左右に位置する第２熱交換器タンク部と、を備える。前記第３熱交換器は、第３熱交換器ラジエータ部と、前記第３熱交換器ラジエータ部の左右に位置する第３熱交換器タンク部と、を備える。前記第２熱交換器と前記第３熱交換器とは、上下方向に隣接して配置される。前記第１熱交換器は、前記第２熱交換器および前記第３熱交換器の前記冷却風の流れの上流側または下流側に配置される。前記第１熱交換器は、前記第２熱交換器ラジエータ部および前記第３熱交換器ラジエータ部と、互いに隣接する前記第２熱交換器タンク部の一方および前記第３熱交換器タンク部の一方とに跨らせて取り付けられている。 The composite heat exchanger according to the embodiment includes a first heat exchanger that exchanges heat between the first refrigerant and the second refrigerant, and the first refrigerant that flows out of the first heat exchanger and the cooling air. A second heat exchanger that exchanges heat between the second refrigerant and the cooling air, and a third heat exchanger that exchanges heat between the second refrigerant and the cooling air and flows the second refrigerant out to the first heat exchanger. Here, the second heat exchanger includes a second heat exchanger radiator portion and second heat exchanger tank portions located on the left and right of the second heat exchanger radiator portion. The third heat exchanger includes a third heat exchanger radiator portion and third heat exchanger tank portions located on the left and right of the third heat exchanger radiator portion. The second heat exchanger and the third heat exchanger are disposed adjacent to each other in the vertical direction. The first heat exchanger is disposed on the upstream side or the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger. The first heat exchanger includes: the second heat exchanger radiator portion; the third heat exchanger radiator portion; one of the second heat exchanger tank portions adjacent to each other; and the third heat exchanger tank portion. It is attached across one side.
　上記構成によれば、第２熱交換器と第３熱交換器とは、上下方向に隣接して配置され、第１熱交換器は、第２熱交換器および第３熱交換器の冷却風の流れの上流側または下流側に配置されている。また、第１熱交換器は、互いに隣接する第２熱交換器ラジエータ部および第３熱交換器ラジエータ部と、第２熱交換器タンク部の一方および第３熱交換器タンク部の一方とに跨らせて取り付けられている。このため、複合型熱交換器を搭載できる幅に対する第２熱交換器および第３熱交換器の幅（左右方向の長さ）を長く取ることができて各ラジエータ部の幅も長くすることができる。これにより、第２熱交換器ラジエータ部および第３熱交換器ラジエータ部の面積（冷却有効面積）を広くすることができ、よって冷却効率を向上させることができる。 According to the said structure, a 2nd heat exchanger and a 3rd heat exchanger are arrange | positioned adjacent to an up-down direction, and a 1st heat exchanger is cooling air of a 2nd heat exchanger and a 3rd heat exchanger. It is arrange | positioned in the upstream or downstream of the flow. The first heat exchanger is connected to the second heat exchanger radiator and the third heat exchanger radiator adjacent to each other, and one of the second heat exchanger tank and one of the third heat exchanger tanks. It is mounted across. For this reason, the width (length in the left-right direction) of the second heat exchanger and the third heat exchanger relative to the width in which the composite heat exchanger can be mounted can be increased, and the width of each radiator section can be increased. it can. Thereby, the area (cooling effective area) of a 2nd heat exchanger radiator part and a 3rd heat exchanger radiator part can be enlarged, and cooling efficiency can be improved accordingly.
　また、前記第２熱交換器タンク部の一方は、第１冷媒入口部と第１冷媒出口部とを有し、前記第３熱交換器タンク部の一方は、第２冷媒入口部と第２冷媒出口部とを有してもよい。 In addition, one of the second heat exchanger tank portions has a first refrigerant inlet portion and a first refrigerant outlet portion, and one of the third heat exchanger tank portions has a second refrigerant inlet portion and a second refrigerant outlet portion. And a refrigerant outlet.
　上記構成によれば、配管が一箇所に集中し、配管の取り回し性や、配管の取付作業性が向上する。 上 記 According to the above configuration, the piping is concentrated at one place, so that the handling of the piping and the mounting workability of the piping are improved.
　また、前記第１熱交換器は、前記第２熱交換器および前記第３熱交換器の前記冷却風の流れの下流側に配置され、前記第１冷媒入口部は、前記第２熱交換器タンク部の一方に前記冷却風の流れ方向へ向けて延在し、前記第２冷媒入口部、前記第２冷媒出口部は、前記第３熱交換器タンク部の一方に前記冷却風の流れ方向へ向けて延在してもよい。 The first heat exchanger is disposed on the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger, and the first refrigerant inlet portion is the second heat exchanger. The second refrigerant inlet portion and the second refrigerant outlet portion extend in one direction of the cooling air toward one of the tank portions, and the cooling air flows in one direction of the third heat exchanger tank portion. You may extend towards.
　上記構成によれば、通常、第２熱交換器と第３熱交換器との冷却風の流れの下流側に配管が配置されているので、配管の取り回し性や、配管の取付作業性がさらに向上する。 According to the said structure, since piping is normally arrange | positioned in the downstream of the flow of the cooling air of a 2nd heat exchanger and a 3rd heat exchanger, the manageability of piping and the attachment workability | operativity of piping are further improves.
　また、前記第１熱交換器は、前記冷却風の流れ方向へ向けて延在する第１冷媒入口部、第１冷媒出口部、第２冷媒入口部、第２冷媒出口部を有してもよい。 The first heat exchanger may include a first refrigerant inlet portion, a first refrigerant outlet portion, a second refrigerant inlet portion, and a second refrigerant outlet portion that extend in the flow direction of the cooling air. Good.
　上記構成によれば、通常、第２熱交換器と第３熱交換器との冷却風の流れの下流側に配管が配置されているので、配管の取り回し性や、配管の取付作業性がさらに向上する。 According to the said structure, since piping is normally arrange | positioned in the downstream of the flow of the cooling air of a 2nd heat exchanger and a 3rd heat exchanger, the manageability of piping and the attachment workability | operativity of piping are further improves.
図１は、本発明の第１実施形態に係る複合型熱交換器を冷却風の流れの下流側（後側）から見た斜視図である。FIG. 1 is a perspective view of the composite heat exchanger according to the first embodiment of the present invention viewed from the downstream side (rear side) of the flow of cooling air. 図２は、図１に示した複合型熱交換器の部分分解斜視図である。FIG. 2 is a partially exploded perspective view of the composite heat exchanger shown in FIG. 図３は、図２に示した複合型熱交換器の分解部分を冷却風の流れの上流側（前側）から見た部分分解斜視図である。FIG. 3 is a partially exploded perspective view of the disassembled portion of the composite heat exchanger shown in FIG. 2 as viewed from the upstream side (front side) of the flow of cooling air. 図４は、図１に示した複合型熱交換器の要部を冷却風の流れの上流側（前側）から見た部分図である。FIG. 4 is a partial view of the main part of the composite heat exchanger shown in FIG. 1 as viewed from the upstream side (front side) of the cooling air flow. 図５Ａは、本発明の第１実施形態に係る、複合型熱交換器を搭載できる搭載幅とラジエータ部の幅との関係を示す説明図である。FIG. 5A is an explanatory diagram illustrating a relationship between a mounting width in which the composite heat exchanger can be mounted and a width of the radiator unit according to the first embodiment of the present invention. 図５Ｂは、比較例に係る、複合型熱交換器を搭載できる搭載幅とラジエータ部の幅との関係を示す説明図である。FIG. 5B is an explanatory diagram illustrating the relationship between the mounting width in which the composite heat exchanger can be mounted and the width of the radiator portion, according to a comparative example. 図６は、図１に示した複合型熱交換器が適用される車両用熱交換システムの構成図である。FIG. 6 is a configuration diagram of a vehicle heat exchange system to which the composite heat exchanger shown in FIG. 1 is applied. 図７は、図１に示した第１熱交換器の部分分解斜視図である。FIG. 7 is a partially exploded perspective view of the first heat exchanger shown in FIG. 図８は、第１プレートと第２プレートとの接合部分を示す説明図である。FIG. 8 is an explanatory diagram showing a joint portion between the first plate and the second plate. 図９は、本発明の第２実施形態に係る複合型熱交換器を示す図３と同様な部分分解斜視である。FIG. 9 is a partially exploded perspective view similar to FIG. 3 showing a composite heat exchanger according to a second embodiment of the present invention. 図１０は、本発明の第３実施形態に係る複合型熱交換器を示す図３と同様な部分分解斜視図である。FIG. 10 is a partially exploded perspective view similar to FIG. 3 showing a composite heat exchanger according to a third embodiment of the present invention.
　以下、本発明の実施形態を、図面を参照して詳細に説明する。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
　図１は、本発明の第１実施形態に係る複合型熱交換器２１を冷却風の流れの下流側〔後（裏面）側〕から見た斜視図である。図２は、複合型熱交換器２１の部分分解斜視図である。図３は、複合型熱交換器２１の分解部分を冷却風の流れの上流側〔前（正面）側〕から見た部分分解斜視図である。図４は、複合型熱交換器２１の要部を冷却風の流れの上流側〔前（正面）側〕から見た部分図である。図５Ａは、複合型熱交換器２１を搭載できる搭載幅Ｌとラジエータ部の幅Ｌ１との関係を示す説明図である。図５Ｂは、比較例に係る複合型熱交換器を搭載できる搭載幅Ｌとラジエータ部の幅Ｌ２との関係を示す説明図である。図６は、複合型熱交換器２１が適用される車両用熱交換システム１の構成図である。図７は、第１熱交換器８の部分分解斜視図である。図８は、第１プレート８１と第２プレート８２との接合部分を示す説明図である。 FIG. 1 is a perspective view of the composite heat exchanger 21 according to the first embodiment of the present invention as viewed from the downstream side [rear (back side)] of the flow of cooling air. FIG. 2 is a partially exploded perspective view of the composite heat exchanger 21. FIG. 3 is a partial exploded perspective view of the disassembled portion of the composite heat exchanger 21 as viewed from the upstream side (front (front) side) of the flow of cooling air. FIG. 4 is a partial view of the main part of the composite heat exchanger 21 as viewed from the upstream side (front (front side) side) of the flow of cooling air. Figure 5A is an explanatory diagram showing the relationship between the width L 1 of the mounting width L and the radiator unit can be mounted to composite heat exchanger 21. Figure 5B is an explanatory diagram showing the relationship between the width L 2 of the mounting width L and the radiator unit can be mounted to composite heat exchanger according to the comparative example. FIG. 6 is a configuration diagram of the vehicle heat exchange system 1 to which the composite heat exchanger 21 is applied. FIG. 7 is a partially exploded perspective view of the first heat exchanger 8. FIG. 8 is an explanatory view showing a joint portion between the first plate 81 and the second plate 82.
　本発明の第１実施形態に係る複合型熱交換器２１が適用される車両用熱交換システム１は、図６に示すように、エンジン２の冷却水を冷却するメインラジエータ（熱交換器）３と、水冷チャージエアクーラ（水冷ＣＡＣ）６用の冷媒を冷却するサブラジエータ（第３熱交換器）７と、水冷コンデンサ（第１熱交換器）８と、車室内空調用の冷媒を冷却する空冷コンデンサ（第２熱交換器）１１とを備えている。 The vehicle heat exchange system 1 to which the composite heat exchanger 21 according to the first embodiment of the present invention is applied includes a main radiator (heat exchanger) 3 that cools the cooling water of the engine 2 as shown in FIG. A sub-radiator (third heat exchanger) 7 that cools the refrigerant for the water-cooled charge air cooler (water-cooled CAC) 6, a water-cooled condenser (first heat exchanger) 8, and a refrigerant for air conditioning in the vehicle interior An air-cooled condenser (second heat exchanger) 11 is provided.
　メインラジエータ３は、モータファン５の冷却風の流れの上流側（前側）に設けられている。 The main radiator 3 is provided on the upstream side (front side) of the cooling air flow of the motor fan 5.
　メインラジエータ３は、内部をエンジン２用の冷却水が流れる複数のチューブ（図示せず）を有し、チューブの外側を流れる冷却風との間で熱交換を行う。 The main radiator 3 has a plurality of tubes (not shown) through which cooling water for the engine 2 flows, and performs heat exchange with cooling air flowing outside the tubes.
　エンジン２用の冷却水は、ポンプ４によって循環される。 The cooling water for the engine 2 is circulated by the pump 4.
　サブラジエータ７は、メインラジエータ３の冷却風の流れの上流面側で、かつ、メインラジエータ３の上半分領域に配置されている。 The sub-radiator 7 is disposed on the upstream side of the cooling air flow of the main radiator 3 and in the upper half area of the main radiator 3.
　サブラジエータ７は、内部を水冷チャージエアクーラ６用の第２冷媒である冷却水が流れる複数のチューブ（図示せず）を有し、チューブの外側を流れる冷却風との間で熱交換を行う。 The sub-radiator 7 has a plurality of tubes (not shown) through which cooling water, which is the second refrigerant for the water-cooled charge air cooler 6, flows and exchanges heat with the cooling air flowing outside the tubes. .
　水冷チャージエアクーラ６用の冷却水は、ポンプ９によって循環される。 Cooling water for the water-cooled charge air cooler 6 is circulated by the pump 9.
　エンジン２に供給する空気（吸気）は排気を利用してターボ部１２で圧縮されるために高温になるので、この高温の圧縮空気を水冷チャージエアクーラ６で冷却する。 Since the air (intake air) supplied to the engine 2 is compressed by the turbo unit 12 using the exhaust gas and becomes high temperature, the high temperature compressed air is cooled by the water-cooled charge air cooler 6.
　このように、吸気を冷却することでエンジン２に供給する空気密度を向上できるので、エンジン２の燃焼効率が向上する。 Thus, since the air density supplied to the engine 2 can be improved by cooling the intake air, the combustion efficiency of the engine 2 is improved.
　つまり、水冷チャージエアクーラ６は、エンジン２に供給する圧縮吸気と冷却水との間で熱交換し、エンジン２の吸気を冷却する。 That is, the water-cooled charge air cooler 6 exchanges heat between the compressed intake air supplied to the engine 2 and the cooling water to cool the intake air of the engine 2.
　空冷コンデンサ１１は、メインラジエータ３の冷却風の流れの上流面側で、かつ、メインラジエータ３の下半分領域に配置されている。 The air-cooled condenser 11 is arranged on the upstream side of the cooling air flow of the main radiator 3 and in the lower half area of the main radiator 3.
　空冷コンデンサ１１は、内部を第１冷媒である空調用冷媒が流れる複数のチューブ（図示せず）を有し、チューブの外側を流れる冷却風との間で熱交換を行う。 The air-cooled condenser 11 has a plurality of tubes (not shown) through which the air-conditioning refrigerant that is the first refrigerant flows, and performs heat exchange with cooling air flowing outside the tubes.
　次に、水冷コンデンサ８について説明する。 Next, the water-cooled condenser 8 will be described.
　水冷コンデンサ８と空冷コンデンサ１１とは、水冷コンデンサ８を上流として冷凍サイクル内に直列に接続されている。 The water-cooled condenser 8 and the air-cooled condenser 11 are connected in series in the refrigeration cycle with the water-cooled condenser 8 as the upstream.
　冷凍サイクルの圧縮機（コンプレッサ）１０によって高温高圧とされた第１冷媒である空調用冷媒は、まず、水冷コンデンサ８に流入し、その後、空冷コンデンサ１１へ流出する。 The air-conditioning refrigerant, which is the first refrigerant that has been made high-temperature and high-pressure by the compressor (compressor) 10 in the refrigeration cycle, first flows into the water-cooled condenser 8 and then flows out into the air-cooled condenser 11.
　サブラジエータ７で冷却された第２冷媒である冷却水は、水冷コンデンサ８に流入し、空調用冷媒との間で熱交換を行った後、水冷チャージエアクーラ６に流入する。 The cooling water that is the second refrigerant cooled by the sub-radiator 7 flows into the water-cooled condenser 8, exchanges heat with the air-conditioning refrigerant, and then flows into the water-cooled charge air cooler 6.
　水冷コンデンサ８は、図７または図８に示すように、交互に積層される第１プレート８１、第２プレート８２と、第１プレート８１と第２プレート８２との間に交互に介在する第１スペーサ８３、第２スペーサ８４と、第１スペーサ８３によって外周が囲まれるインナーフィン８６とを備えている。 As shown in FIG. 7 or 8, the water-cooled condenser 8 includes first plates 81 and second plates 82 that are alternately stacked, and first and second plates 82 that are alternately interposed between the first plate 81 and the second plate 82. A spacer 83, a second spacer 84, and an inner fin 86 whose outer periphery is surrounded by the first spacer 83 are provided.
　これらの各部品間は、全ての当接面でロウ付けによって固定されている。 These parts are fixed by brazing on all contact surfaces.
　第１プレート８１および第２プレート８２は、積層方向の同一方向に向かって突出する外周壁８１１，８２１をそれぞれ有する。各外周壁８１１，８２１には、隣り合うもの同士が互いに当接する段差部８１２，８２２が設けられている。 The first plate 81 and the second plate 82 have outer peripheral walls 811 and 821 that protrude in the same direction in the stacking direction. The outer peripheral walls 811 and 821 are provided with stepped portions 812 and 822 where adjacent ones come into contact with each other.
　各プレート８１，８２は、後述する第２流路８ｂ側に突出し、先端が互いに当接する複数のビート（突起）８１３，８２３を備えている。これらのビート８１３，８２３同士の当接面もロウ付けされる。 Each plate 81, 82 includes a plurality of beats (projections) 813, 823 that protrude toward the second flow path 8b, which will be described later, and whose tips abut against each other. The contact surfaces of these beats 813 and 823 are also brazed.
　第１プレート８１と第２プレート８２とは、空調用冷媒が流れる一対（２つ）の第１連通孔８１４，８２４と、冷却水が流れる一対（２つ）の第２連通孔８１５，８２５とをそれぞれ有する。 The first plate 81 and the second plate 82 include a pair (two) of first communication holes 814 and 824 through which air-conditioning refrigerant flows, and a pair of (two) second communication holes 815 and 825 through which cooling water flows. Respectively.
　交互に積層される状態で隣り合う第１プレート８１と第２プレート８２との間には、図７に実線の矢印で示すように、空調用冷媒が流れる第１流路８ａと、図７に破線の矢印で示すように、冷却水が流れる第２流路８ｂとが交互に設けられている。 Between the first plate 81 and the second plate 82 adjacent to each other in an alternately stacked state, as shown by a solid line arrow in FIG. As indicated by the dashed arrows, the second flow paths 8b through which the cooling water flows are alternately provided.
　第１プレート８１と第２プレート８２とのうち、第１連通孔８１４，８２４周囲の円環状の各突出縁部８１４ａ，８２４ａは、第２流路８ｂ内に突出し、第２流路８ｂ内で互いに重なり合う状態でロウ付け結合される。 Of the first plate 81 and the second plate 82, annular projecting edge portions 814a and 824a around the first communication holes 814 and 824 project into the second channel 8b, and within the second channel 8b. They are brazed and joined in an overlapping state.
　同様に、第２連通孔８１５，８２５周囲の円環状の各突出縁部８１５ａ，８２５ａは、第１流路８ａ内に突出し、第１流路８ａ内で互いに重なり合う状態でロウ付け結合される。 Similarly, the annular projecting edge portions 815a and 825a around the second communication holes 815 and 825 project into the first flow path 8a and are brazed and joined in a state of overlapping with each other in the first flow path 8a.
　第１プレート８１と第２プレート８２とは、図８に示すように、互いに重なり合う状態でロウ付け結合される。 As shown in FIG. 8, the first plate 81 and the second plate 82 are brazed and joined in an overlapping state.
　これによって、第１流路８ａには、各第１連通孔８１４，８２４が開口し、かつ、各第２連通孔８１５，８２５が閉口し、冷却水に比べて高圧の空調用冷媒が一方の第１連通孔８１４，８２４から各第１流路８ａにそれぞれ流入し、各第１流路８ａを流れた空調用冷媒が他方の第１連通孔８１４，８２４から流出する。 As a result, the first communication holes 814 and 824 are opened in the first flow path 8a, and the second communication holes 815 and 825 are closed. The air-conditioning refrigerant that flows into the first flow paths 8a from the first communication holes 814 and 824 and flows through the first flow paths 8a flows out of the other first communication holes 814 and 824, respectively.
　一方、第２流路８ｂには、各第２連通孔８１５，８２５が開口し、かつ、各第１連通孔８１４，８２４が閉口し、空調用冷媒に比べて低圧の冷却水が一方の第２連通孔８１５，８２５から各第２流路８ｂにそれぞれ流入し、各第２流路８ｂを流れた冷却水が他方の第２連通孔８１５，８２５から流出する。 On the other hand, in the second flow path 8b, the second communication holes 815 and 825 are opened, and the first communication holes 814 and 824 are closed. The cooling water that flows into the second flow paths 8b from the two communication holes 815 and 825 and flows through the second flow paths 8b flows out of the other second communication holes 815 and 825, respectively.
　インナーフィン８６と各プレート８１，８２との当接面もロウ付けされる。 The contact surfaces of the inner fins 86 and the plates 81 and 82 are also brazed.
　第１スペーサ８３は、第１流路８ａ内に配置されている。 The first spacer 83 is disposed in the first flow path 8a.
　第１スペーサ８３は、インナーフィン８６を収容するフィン収容開口部８３１と、各プレート８１，８２の一対（２つ）の第１連通孔８１４，８２４に対応する位置に設けられた一対（２つ）の第１連通孔８３２と、各プレート８１，８２の一対（２つ）の第２連通孔８１５，８２５に対応する位置に設けられた一対（２つ）の第２連通孔８３３とを有している。 The first spacer 83 includes a pair (two pieces) provided at positions corresponding to the fin housing openings 831 for housing the inner fins 86 and the pair (two) first communication holes 814 and 824 of the plates 81 and 82. ) First communication holes 832 and a pair (two) second communication holes 833 provided at positions corresponding to the pair (two) second communication holes 815 and 825 of the plates 81 and 82. is doing.
　第１スペーサ８３は、インナーフィン８６の全周を囲むように配置されている。 The first spacer 83 is arranged so as to surround the entire circumference of the inner fin 86.
　各第１連通孔８３２は、フィン収容開口部８３１に開放している。 Each first communication hole 832 is open to the fin housing opening 831.
　これにより、空調用冷媒は、第１流路８ａに流出入できるようになっているが、各第１連通孔８１４，８２４の位置から両端方向に流れないようになっている。 Thus, the air-conditioning refrigerant can flow into and out of the first flow path 8a, but does not flow in the both end directions from the positions of the first communication holes 814 and 824.
　各第２連通孔８３３は、各プレート８１，８２の第２連通孔８１５，８２５周囲の各突出縁部８１５ａ，８２５ａより大径に設けられている。 Each of the second communication holes 833 is provided with a larger diameter than the protruding edge portions 815a and 825a around the second communication holes 815 and 825 of the plates 81 and 82.
　これにより、第１スペーサ８３は、第２連通孔８１５，８２５の突出縁部８１５ａ，８２５ａを囲むように配置される。 Thus, the first spacer 83 is disposed so as to surround the protruding edge portions 815a and 825a of the second communication holes 815 and 825.
　第２スペーサ８４は、第２流路８ｂ内に配置されている。 The second spacer 84 is disposed in the second flow path 8b.
　第２スペーサ８４は、円環状である。 The second spacer 84 has an annular shape.
　第２スペーサ８４は、各プレート８１，８２の一対の第１連通孔８１４，８２４の周囲の対応する位置に配置されている。 The second spacer 84 is disposed at a corresponding position around the pair of first communication holes 814 and 824 of the plates 81 and 82.
　第２スペーサ８４の内周径は、各プレート８１，８２の第１連通孔８１４，８２４周囲の各突出縁部８１４ａ，８２４ａより大径に設けられている。 The inner peripheral diameter of the second spacer 84 is larger than the protruding edge portions 814a and 824a around the first communication holes 814 and 824 of the plates 81 and 82, respectively.
　これにより、第２スペーサ８４は、第１連通孔８１４，８２４の突出縁部８１４ａ，８２４ａを囲むように配置される。 Thereby, the second spacer 84 is disposed so as to surround the protruding edges 814a and 824a of the first communication holes 814 and 824.
　上記構成において、冷凍サイクルの圧縮機１０によって高温高圧のガス状態にされた空調用冷媒は、まず、水冷コンデンサ８の第１冷媒入口部を介して水冷コンデンサ８の一方の第１連通孔８１４，８２４，８３２に流入する。 In the above-described configuration, the air-conditioning refrigerant that has been changed to a high-temperature and high-pressure gas state by the compressor 10 of the refrigeration cycle is firstly connected to one first communication hole 814 of the water-cooled condenser 8 via the first refrigerant inlet of the water-cooled condenser 8. 824, 832.
　その後、空調用冷媒は、第１プレート８１と第２プレート８２との間の第１流路８ａを流れ、他方の第１連通孔８１４，８２４，８３２から第１冷媒出口部を介して空冷コンデンサ１１へ流出する。 Thereafter, the air-conditioning refrigerant flows through the first flow path 8a between the first plate 81 and the second plate 82, and the air-cooled condenser from the other first communication hole 814, 824, 832 through the first refrigerant outlet. 11 will flow out.
　一方、サブラジエータ７で冷却された冷却水は、水冷コンデンサ８の第２冷媒入口部を介して水冷コンデンサ８の一方の第２連通孔８１５，８２５，８３３に流入する。 On the other hand, the cooling water cooled by the sub-radiator 7 flows into one of the second communication holes 815, 825, and 833 of the water-cooled condenser 8 through the second refrigerant inlet of the water-cooled condenser 8.
　その後、第１プレート８１と第２プレート８２との間の第２流路８ｂを流れ、他方の第２連通孔８１５，８２５，８３３から第２冷媒出口部を介して流出し、ポンプ９を介して水冷チャージエアクーラ６に流入する。 Thereafter, it flows through the second flow path 8b between the first plate 81 and the second plate 82, flows out from the other second communication holes 815, 825, and 833 through the second refrigerant outlet, and passes through the pump 9. Then flows into the water-cooled charge air cooler 6.
　次に、複合型熱交換器２１について、図１～図４を参照してさらに説明する。 Next, the composite heat exchanger 21 will be further described with reference to FIGS.
　図１において、複合型熱交換器２１は、第１冷媒と第２冷媒との間で熱交換する第１熱交換器（水冷コンデンサ）８と、第１熱交換器８から流出する第１冷媒（空調用冷媒）と冷却風との間で熱交換する第２熱交換器（空冷コンデンサ）１１と、第２冷媒（冷却水）と冷却風との間で熱交換し、第２冷媒を第１熱交換器８へ流出する第３熱交換器（サブラジエータ）７とを備えている。 In FIG. 1, the composite heat exchanger 21 includes a first heat exchanger (water-cooled condenser) 8 that exchanges heat between the first refrigerant and the second refrigerant, and a first refrigerant that flows out of the first heat exchanger 8. Heat exchange is performed between the second heat exchanger (air-cooled condenser) 11 that exchanges heat between the (air-conditioning refrigerant) and the cooling air, and the second refrigerant (cooling water) and the cooling air. And a third heat exchanger (sub-radiator) 7 that flows out to the first heat exchanger 8.
　第１熱交換器８は、第１流路８ａ（図７参照）と、第１流路８ａに第１冷媒を流入させる第１冷媒入口部としての第１筒部８ｄと、第１流路８ａから第１冷媒を流出させる第１冷媒出口部としての第２筒部８ｅ（図２参照）と、第１流路８ａとの間で熱交換する第２流路８ｂ（図７参照）と、第２流路８ｂに第２冷媒を流入させる第２冷媒入口部としての第３筒部８ｆと、第２流路８ｂから第２冷媒を流出させる第２冷媒出口部としての第４筒部８ｇとを備えている。 The first heat exchanger 8 includes a first flow path 8a (see FIG. 7), a first cylinder portion 8d as a first refrigerant inlet that allows the first refrigerant to flow into the first flow path 8a, and a first flow path. A second cylinder 8e (see FIG. 2) as a first refrigerant outlet for allowing the first refrigerant to flow out of 8a, and a second channel 8b (see FIG. 7) for exchanging heat between the first channel 8a. The third cylinder part 8f as a second refrigerant inlet part for allowing the second refrigerant to flow into the second flow path 8b, and the fourth cylinder part as a second refrigerant outlet part for allowing the second refrigerant to flow out of the second flow path 8b. 8g.
　第１筒部８ｄ、第３筒部８ｆおよび第４筒部８ｇは、第１熱交換器８から後側（冷却風の流れの下流側）へ向けて延在して設けられている。第２筒部８ｅは、第１熱交換器８から前側（冷却風の流れの上流側）へ向けて延在して設けられている。 The first cylinder portion 8d, the third cylinder portion 8f, and the fourth cylinder portion 8g are provided to extend from the first heat exchanger 8 toward the rear side (downstream side of the cooling air flow). The second cylinder portion 8e extends from the first heat exchanger 8 toward the front side (upstream side of the cooling air flow).
　第１熱交換器８には、第１筒部８ｄから右方向へ突出するブラケット８ｈと、第２筒部８ｅから下側へ突出するブラケット８ｊと、左端上から上、前側へ突出するブラケット８ｌとが設けられている。 The first heat exchanger 8 includes a bracket 8h protruding rightward from the first tube portion 8d, a bracket 8j protruding downward from the second tube portion 8e, and a bracket 8l protruding upward from the left end to the front side. And are provided.
　第２熱交換器１１は、図１に示すように、長手方向を左右方向（車両の幅方向）にするとともに、短手方向を上下方向（車両の高さ方向）にして配置され、第２熱交換器ラジエータ部１１ａと、第２熱交換器ラジエータ部１１ａの左右両側に配置された第２熱交換器第１タンク部１１ｂおよび第２熱交換器第２タンク部１１ｃとを備えている。 As shown in FIG. 1, the second heat exchanger 11 is arranged with the longitudinal direction set to the left-right direction (vehicle width direction) and the short-side direction set to the vertical direction (vehicle height direction). The heat exchanger radiator section 11a includes a second heat exchanger first tank section 11b and a second heat exchanger second tank section 11c disposed on the left and right sides of the second heat exchanger radiator section 11a.
　第２熱交換器第１タンク部１１ｂと第２熱交換器第２タンク部１１ｃとは、それぞれ内部の下側から同じ高さ位置にセパレータ１１ｄが設けられている。 The second heat exchanger first tank portion 11b and the second heat exchanger second tank portion 11c are each provided with a separator 11d at the same height from the lower side inside.
　したがって、第２熱交換器１１は、セパレータ１１ｄによって上下に２つの熱交換器部に分けられている。 Therefore, the second heat exchanger 11 is divided into two heat exchanger parts up and down by the separator 11d.
　第２熱交換器第１タンク部１１ｂには、第１熱交換器８の第２筒部８ｅが嵌合接続される、第１冷媒入口部としての筒状凹部１１ｅ（図２参照）が上側に設けられるとともに、第１冷媒出口部としての筒部１１ｇが左端下側に設けられている。 A cylindrical recess 11e (see FIG. 2) serving as a first refrigerant inlet, to which the second cylinder 8e of the first heat exchanger 8 is fitted and connected, is on the second heat exchanger first tank 11b. And a cylindrical portion 11g as a first refrigerant outlet portion is provided on the lower left side.
　筒状凹部１１ｅは、第２熱交換器第１タンク部１１ｂから後側へ向けて延在して設けられている。筒部１１ｇは、第２熱交換器第１タンク部１１ｂから下側へ向けて延在して設けられている。 The cylindrical recess 11e is provided extending from the second heat exchanger first tank portion 11b toward the rear side. The cylinder part 11g is provided extending downward from the second heat exchanger first tank part 11b.
　第２熱交換器第１タンク部１１ｂには、第１熱交換器８のブラケット８ｊに対応する位置にブラケット１１ｈが設けられている。 The second heat exchanger first tank portion 11b is provided with a bracket 11h at a position corresponding to the bracket 8j of the first heat exchanger 8.
　第２熱交換器第２タンク部１１ｃには、図１に示すように、第２熱交換器１１の上下の熱交換器部に接続されたリキッドタンク１１ｘが設けられている。 As shown in FIG. 1, the second heat exchanger second tank portion 11 c is provided with a liquid tank 11 x connected to the upper and lower heat exchanger portions of the second heat exchanger 11.
　リキッドタンク１１ｘは、ホースバンド３１とボルト３２とによって第２熱交換器第２タンク部１１ｃに取付、固定される。 The liquid tank 11x is attached and fixed to the second heat exchanger second tank portion 11c by the hose band 31 and the bolt 32.
　したがって、セパレータ１１ｄよりも上側の第２熱交換器１１の熱交換器部は、筒状凹部１１ｅから流入する第１冷媒を凝縮する凝縮器として作用する。 Therefore, the heat exchanger portion of the second heat exchanger 11 above the separator 11d acts as a condenser that condenses the first refrigerant flowing from the cylindrical recess 11e.
　上側の熱交換器部で凝縮された第１冷媒は、リキッドタンク１１ｘに流入する。 The first refrigerant condensed in the upper heat exchanger part flows into the liquid tank 11x.
　リキッドタンク１１ｘから第２熱交換器１１の下側の熱交換器部に流入した第１冷媒は、過冷却部として作用する下側の熱交換器部で冷却されて筒部１１ｇから流出する。 The first refrigerant that has flowed from the liquid tank 11x into the lower heat exchanger portion of the second heat exchanger 11 is cooled by the lower heat exchanger portion that acts as a supercooling portion, and flows out from the cylinder portion 11g.
　第３熱交換器７は、図１に示すように、長手方向を左右方向（車両の幅方向）にするとともに、短手方向を上下方向（車両の高さ方向）にして第２熱交換器１１の上側に隣接して配置され、第２熱交換器ラジエータ部１１ａの上側に位置する第３熱交換器ラジエータ部７ａと、第３熱交換器ラジエータ部７ａの左右両側に配置された、第２熱交換器第１タンク部１１ｂの上側に位置する第３熱交換器第１タンク部７ｂ、第２熱交換器第２タンク部１１ｃの上側に位置する第３熱交換器第２タンク部７ｃとを備えている。 As shown in FIG. 1, the third heat exchanger 7 is a second heat exchanger in which the longitudinal direction is the left-right direction (vehicle width direction) and the short direction is the vertical direction (vehicle height direction). 11, a third heat exchanger radiator portion 7a located on the upper side of the second heat exchanger radiator portion 11a and a left and right sides of the third heat exchanger radiator portion 7a. 2nd heat exchanger 1st tank part 11b The 3rd heat exchanger 1st tank part 7b located above the 2nd heat exchanger 2nd tank part 11c The 3rd heat exchanger 2nd tank part 7c located above the 2nd heat exchanger 2nd tank part 11c And.
　第３熱交換器第１タンク部７ｂには、上側に第２冷媒入口部としての第１筒部７ｄが設けられ、下側に第２冷媒出口部としての第２筒部７ｅが設けられている。 The third heat exchanger first tank part 7b is provided with a first cylinder part 7d as a second refrigerant inlet part on the upper side and a second cylinder part 7e as a second refrigerant outlet part on the lower side. Yes.
　第１筒部７ｄおよび第２筒部７ｅは、第３熱交換器第１タンク部７ｂから後側へ向けて延在して設けられている。 The first tube portion 7d and the second tube portion 7e are provided extending from the third heat exchanger first tank portion 7b toward the rear side.
　第３熱交換器第１タンク部７ｂには、内部を上側第１タンク部と下側第１タンク部とに仕切るセパレータ７ｆが設けられている。 The third heat exchanger first tank portion 7b is provided with a separator 7f that partitions the inside into an upper first tank portion and a lower first tank portion.
　したがって、第３熱交換器ラジエータ部７ａは、セパレータ７ｆによって上側ラジエータ部と下側ラジエータ部とに分けられている。 Therefore, the third heat exchanger radiator portion 7a is divided into an upper radiator portion and a lower radiator portion by the separator 7f.
　第３熱交換器７の第１筒部７ｄに流入した第２冷媒（冷却水）は、第３熱交換器第１タンク部７ｂの上側第１タンク部から第３熱交換器ラジエータ部７ａの上側ラジエータ部に流入し、第３熱交換器第２タンク部７ｃへ流出する。 The 2nd refrigerant | coolant (cooling water) which flowed into the 1st cylinder part 7d of the 3rd heat exchanger 7 flows into the 3rd heat exchanger radiator part 7a from the upper 1st tank part of the 3rd heat exchanger 1st tank part 7b. It flows into an upper radiator part, and flows out into the 3rd heat exchanger 2nd tank part 7c.
　第３熱交換器第２タンク部７ｃに流入した第２冷媒は、第３熱交換器ラジエータ部７ａの下側ラジエータ部から第３熱交換器第１タンク部７ｂの下側第１タンク部に流入し、第２筒部７ｅから流出する。 The second refrigerant flowing into the third heat exchanger second tank portion 7c is transferred from the lower radiator portion of the third heat exchanger radiator portion 7a to the lower first tank portion of the third heat exchanger first tank portion 7b. It flows in and flows out from the second cylinder part 7e.
　第３熱交換器第１タンク部７ｂの左端下側には、第１熱交換器８のブラケット８ｌに対応する位置にブラケット部７ｇ（図２参照）が設けられている。 A bracket portion 7g (see FIG. 2) is provided at a position corresponding to the bracket 8l of the first heat exchanger 8 on the lower left side of the third heat exchanger first tank portion 7b.
　次に、第１～第３熱交換器８，１１，７の接続、組立の一例について説明する。 Next, an example of connection and assembly of the first to third heat exchangers 8, 11, and 7 will be described.
　まず、第１熱交換器８の第２筒部８ｅを第２熱交換器１１の筒状凹部１１ｅに嵌合接続するとともに、ブラケット８ｊ，１１ｈ同士をボルトなどの締結具で締結することにより、第１熱交換器８と第２熱交換器１１とを接続する。 First, by fitting and connecting the second cylindrical portion 8e of the first heat exchanger 8 to the cylindrical concave portion 11e of the second heat exchanger 11, the brackets 8j and 11h are fastened with a fastener such as a bolt, The first heat exchanger 8 and the second heat exchanger 11 are connected.
　次に、Ｌ字状の接続管４１の一端側を第１熱交換器８の第３筒部８ｆに嵌合接続するとともに、接続管４１の他端側を第３熱交換器７の第２筒部７ｅに嵌合接続し、ブラケット８ｌとブラケット部７ｇとをボルトなどの締結具で締結することにより、第１熱交換器８と第３熱交換器７とを接続する。 Next, one end side of the L-shaped connecting pipe 41 is fitted and connected to the third cylindrical portion 8 f of the first heat exchanger 8, and the other end side of the connecting pipe 41 is connected to the second side of the third heat exchanger 7. The first heat exchanger 8 and the third heat exchanger 7 are connected by fitting and connecting to the cylinder portion 7e and fastening the bracket 8l and the bracket portion 7g with a fastener such as a bolt.
　そして、第２熱交換器１１と第３熱交換器７との両第２タンク部１１ｃ，７ｃ同士を、ボルト３２や、連結ブラケット３３などの締結具を用いて締結することにより、第２熱交換器１１と第３熱交換器７とを接続すると、図１に示すように、第１～第３熱交換器８，１１，７は接続され、組み立てられる。 Then, both the second tank portions 11c and 7c of the second heat exchanger 11 and the third heat exchanger 7 are fastened together by using a fastener such as a bolt 32 or a connecting bracket 33, so that the second heat When the exchanger 11 and the third heat exchanger 7 are connected, the first to third heat exchangers 8, 11, and 7 are connected and assembled as shown in FIG.
　なお、第２熱交換器１１と第３熱交換器７とを接続するとき、リキッドタンク１１ｘも取り付ける。 In addition, when connecting the 2nd heat exchanger 11 and the 3rd heat exchanger 7, the liquid tank 11x is also attached.
　このように、第１～第３熱交換器８，１１，７を組み立てると、図５Ａに示すように、第２熱交換器１１と第３熱交換器７との後側（冷却風の流れの下流側）に、第１熱交換器８が位置することとなる。このため、複合型熱交換器２１を搭載できる幅Ｌに対する第２熱交換器１１と第３熱交換器７との幅（左右方向の長さ）を長く取ることができて各ラジエータ部１１ａ，７ａの幅Ｌ１も長くすることができる。 Thus, when the first to third heat exchangers 8, 11, and 7 are assembled, as shown in FIG. 5A, the rear side of the second heat exchanger 11 and the third heat exchanger 7 (flow of cooling air) 1st heat exchanger 8 will be located in the downstream). For this reason, the width (length in the left-right direction) of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which the composite heat exchanger 21 can be mounted can be increased, and each radiator section 11a, 7a width L 1 of the can also be lengthened.
　これに対して、図５Ｂに示す比較例のように、第２熱交換器１１と第３熱交換器７との長手方向の端に第１熱交換器８を配置すると、複合型熱交換器２１を搭載できる幅Ｌに対する第２熱交換器１１と第３熱交換器７との幅が短くなって各ラジエータ部１１ａ，７ａの幅Ｌ２（Ｌ２＜Ｌ１）も短くなる。 On the other hand, when the 1st heat exchanger 8 is arrange | positioned at the end of the longitudinal direction of the 2nd heat exchanger 11 and the 3rd heat exchanger 7 like the comparative example shown to FIG. 5B, it is a composite type heat exchanger. The widths of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which 21 can be mounted are shortened, and the widths L 2 (L 2 <L 1 ) of the radiator portions 11a and 7a are also shortened.
　複合型熱交換器２１の動作は、先に説明したとおりである。 The operation of the composite heat exchanger 21 is as described above.
　上述したように、本発明の第１実施形態に係る複合型熱交換器２１によれば、第２熱交換器１１と第３熱交換器７とを上下方向に隣接させて配置し、第１熱交換器８を、第２熱交換器１１および第３熱交換器７の冷却風の流れの下流側に取り付けている。また、第１熱交換器８を、第２熱交換器１１および第３熱交換器７の各ラジエータ部１１ａ，７ａと、第２熱交換器１１の第２熱交換器第１タンク部１１ｂおよび第３熱交換器７の第３熱交換器第１タンク部７ｂとに跨らせて取り付けている。このため、複合型熱交換器２１を搭載できる幅Ｌに対する第２熱交換器１１と第３熱交換器７との幅（左右方向の長さ）を長く取ることができて各ラジエータ部１１ａ，７ａの幅Ｌ１も長くすることができる。これにより、各ラジエータ部１１ａ，７ａの面積（冷却有効面積）を広くすることができ、冷却効率が向上する。 As described above, according to the composite heat exchanger 21 according to the first embodiment of the present invention, the second heat exchanger 11 and the third heat exchanger 7 are arranged adjacent to each other in the vertical direction, and the first The heat exchanger 8 is attached to the downstream side of the cooling air flow of the second heat exchanger 11 and the third heat exchanger 7. Further, the first heat exchanger 8 includes the radiator portions 11a and 7a of the second heat exchanger 11 and the third heat exchanger 7, the second heat exchanger first tank portion 11b of the second heat exchanger 11, and The third heat exchanger 7 is attached across the third heat exchanger first tank portion 7b. For this reason, the width (length in the left-right direction) of the second heat exchanger 11 and the third heat exchanger 7 with respect to the width L on which the composite heat exchanger 21 can be mounted can be increased, and each radiator section 11a, 7a width L 1 of the can also be lengthened. Thereby, the area (cooling effective area) of each radiator part 11a, 7a can be enlarged, and cooling efficiency improves.
　また、第２熱交換器１１は、第２熱交換器第１タンク部１１ｂに筒状凹部（第１冷媒入口部）１１ｅ、筒部（第１冷媒出口部）１１ｇが設けられている。また、第３熱交換器７は、第３熱交換器第１タンク部７ｂに第１筒部（第２冷媒入口部）７ｄ、第２筒部（第２冷媒出口部）７ｅが設けられている。このため、配管が一箇所に集中し、配管の取り回し性や、配管の取付作業性が向上する。 Further, in the second heat exchanger 11, a cylindrical recess (first refrigerant inlet portion) 11e and a cylindrical portion (first refrigerant outlet portion) 11g are provided in the second heat exchanger first tank portion 11b. The third heat exchanger 7 is provided with a first cylinder part (second refrigerant inlet part) 7d and a second cylinder part (second refrigerant outlet part) 7e in the third heat exchanger first tank part 7b. Yes. For this reason, piping concentrates on one place, and the handling property of piping and the mounting workability | operativity of piping improve.
　また、第１筒部（第１冷媒入口部）８ｄ、第３筒部（第２冷媒入口部）８ｆ、第４筒部（第２冷媒出口部）８ｇが、第１熱交換器８に冷却風の流れ方向（冷却風の流れの下流側）へ向けて延在して設けられている。筒状凹部（第１冷媒入口部）１１ｅが、第２熱交換器１１の第２熱交換器第１タンク部１１ｂに冷却風の流れ方向（冷却風の流れの下流側）へ向けて延在して設けられている。第１筒部（第２冷媒入口部）７ｄ、第２筒部（第２冷媒出口部）７ｅが、第３熱交換器７の第３熱交換器第１タンク部７ｂに冷却風の流れ方向（冷却風の流れの下流側）へ向けて延在して設けられている。このため、通常、各熱交換器８，１１，７の後側に配管が配置されているので、配管の取り回し性や、配管の取付作業性がさらに向上する。 In addition, the first cylinder part (first refrigerant inlet part) 8d, the third cylinder part (second refrigerant inlet part) 8f, and the fourth cylinder part (second refrigerant outlet part) 8g are cooled by the first heat exchanger 8. It extends in the direction of wind flow (downstream of the flow of cooling air). A cylindrical recess (first refrigerant inlet portion) 11e extends toward the second heat exchanger first tank portion 11b of the second heat exchanger 11 in the flow direction of cooling air (downstream of the flow of cooling air). Is provided. The first cylinder part (second refrigerant inlet part) 7d and the second cylinder part (second refrigerant outlet part) 7e flow into the third heat exchanger first tank part 7b of the third heat exchanger 7 in the flow direction of the cooling air. It extends toward the downstream side of the cooling air flow. For this reason, since piping is normally arrange | positioned at the back side of each heat exchanger 8,11,7, the manageability of piping and the mounting workability | operativity of piping further improve.
　また、第１熱交換器８の第３筒部８ｆと、第３熱交換器７の第２筒部７ｅとを接続管４１で接続している。このため、第１熱交換器８、第３熱交換器７に寸法誤差、取付誤差などがあって第３筒部８ｆと第２筒部７ｅとの位置がずれても、第３筒部８ｆと第２筒部７ｅとを接続管４１で容易に、作業性よく接続できる。 Further, the third tube portion 8 f of the first heat exchanger 8 and the second tube portion 7 e of the third heat exchanger 7 are connected by the connection pipe 41. For this reason, even if the first heat exchanger 8 and the third heat exchanger 7 have a dimensional error, a mounting error, etc., and the positions of the third tube portion 8f and the second tube portion 7e are shifted, the third tube portion 8f. And the second tube portion 7e can be easily connected with the connection pipe 41 with good workability.
　また、第１熱交換器８の第２筒部８ｅを、第２熱交換器１１の筒状凹部１１ｅに直接取り付けている。このため、熱交換器８，１１同士を接続する配管を少なくできる。 Further, the second cylindrical portion 8e of the first heat exchanger 8 is directly attached to the cylindrical concave portion 11e of the second heat exchanger 11. For this reason, the piping which connects the heat exchangers 8 and 11 can be decreased.
　次に、本発明の第２実施形態に係る複合型熱交換器２１Ａについて、図３と同様な部分分解斜視である図９を参照して説明する。 Next, a composite heat exchanger 21A according to a second embodiment of the present invention will be described with reference to FIG. 9 which is a partially exploded perspective view similar to FIG.
　図９に示す第２実施形態に係る複合型熱交換器２１Ａが図１～図４に示した第１実施形態に係る複合型熱交換器２１と異なるところは以下である。すなわち、複合型熱交換器２１の第３筒部８ｆに相当する第３筒部８ｆＡが、第１熱交換器８に前側（冷却風の流れの上流側）へ向けて延在して設けられている。第３熱交換器７の第３熱交換器第１タンク部７ｂに、第３筒部８ｆＡが嵌合接続される筒状凹部７ｈが、第２冷媒出口部として設けられている。 The difference between the composite heat exchanger 21A according to the second embodiment shown in FIG. 9 and the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 is as follows. That is, the third cylinder portion 8fA corresponding to the third cylinder portion 8f of the composite heat exchanger 21 is provided in the first heat exchanger 8 so as to extend toward the front side (upstream side of the flow of cooling air). ing. The third heat exchanger first tank portion 7b of the third heat exchanger 7 is provided with a cylindrical concave portion 7h into which the third cylindrical portion 8fA is fitted and connected as a second refrigerant outlet portion.
　図９に示した第２実施形態に係る複合型熱交換器２１Ａによれば、図１～図４に示した第１実施形態に係る複合型熱交換器２１と同様な効果を得ることができる。 According to the composite heat exchanger 21A according to the second embodiment shown in FIG. 9, the same effects as those of the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 can be obtained. .
　さらに、複合型熱交換器２１Ａでは、第１熱交換器８の第３筒部８ｆＡを、第３熱交換器７の筒状凹部７ｈに直接取り付けている。このため、各熱交換器８，７同士を接続する配管を少なくできる。 Furthermore, in the composite heat exchanger 21A, the third cylindrical portion 8fA of the first heat exchanger 8 is directly attached to the cylindrical recess 7h of the third heat exchanger 7. For this reason, the piping which connects each heat exchanger 8 and 7 can be decreased.
　次に、本発明の第３実施形態に係る複合型熱交換器２１Ｂについて、図３と同様な部分分解斜視である図１０を参照して説明する。 Next, a composite heat exchanger 21B according to a third embodiment of the present invention will be described with reference to FIG. 10 which is a partially exploded perspective view similar to FIG.
　図１０に示す第３実施形態に係る複合型熱交換器２１Ｂが図１～図４に示した第１実施形態に係る複合型熱交換器２１と異なるところは以下である。すなわち、各熱交換器８，１１，７同士を連結固定するために、第１熱交換器８にブラケット８ｌの代わりに連結ブラケット８ｐを設けている。第２熱交換器１１に連結ブラケット８ｐに連結される連結ブラケット１１ｐを設けている。第３熱交換器７にブラケット部７ｇの代わりに連結ブラケット８ｐに連結される連結ブラケット７ｐを設けている。 The difference between the composite heat exchanger 21B according to the third embodiment shown in FIG. 10 and the composite heat exchanger 21 according to the first embodiment shown in FIGS. 1 to 4 is as follows. That is, in order to connect and fix the heat exchangers 8, 11 and 7, the first heat exchanger 8 is provided with a connection bracket 8p instead of the bracket 8l. The 2nd heat exchanger 11 is provided with the connection bracket 11p connected with the connection bracket 8p. The third heat exchanger 7 is provided with a connection bracket 7p connected to the connection bracket 8p instead of the bracket portion 7g.
　図１０に示した第３実施形態に係る複合型熱交換器２１Ｂによれば、図１～図４に示した第１実施形態に係る複合型熱交換器２１と同様な効果を得ることができる。 According to the composite heat exchanger 21B according to the third embodiment shown in FIG. 10, it is possible to obtain the same effect as the composite heat exchanger 21 according to the first embodiment shown in FIGS. .
　さらに、第１～第３熱交換器８、１１，７同士を連結ブラケット８ｐ，１１ｐ，７ｐで連結固定するので、第１～第３熱交換器８，１１、７同士を強固に連結固定できる。 Further, since the first to third heat exchangers 8, 11, and 7 are connected and fixed by the connecting brackets 8p, 11p, and 7p, the first to third heat exchangers 8, 11, and 7 can be firmly connected and fixed. .
　上記した第１乃至第３実施形態においては、第２熱交換器１１を上下方向の下側に配置し、第３熱交換器７を第２熱交換器１１の上側に配置した例を示した。しかしながら、第３熱交換器７を上下方向の下側に配置し、第２熱交換器１１を第３熱交換器７の上側に配置してもよい。 In the first to third embodiments described above, an example in which the second heat exchanger 11 is disposed on the lower side in the vertical direction and the third heat exchanger 7 is disposed on the upper side of the second heat exchanger 11 has been shown. . However, the third heat exchanger 7 may be disposed on the lower side in the vertical direction, and the second heat exchanger 11 may be disposed on the upper side of the third heat exchanger 7.
　また、第１熱交換器８を、第２熱交換器１１と第３熱交換器７との冷却風の流れの下流側（後側）に取り付けた例を示した。しかしながら、第１熱交換器８を、第２熱交換器１１と第３熱交換器７との冷却風の流れの上流側（前側）に取り付けてもよい。 Moreover, the example which attached the 1st heat exchanger 8 to the downstream (rear side) of the flow of the cooling air of the 2nd heat exchanger 11 and the 3rd heat exchanger 7 was shown. However, the first heat exchanger 8 may be attached to the upstream side (front side) of the flow of cooling air between the second heat exchanger 11 and the third heat exchanger 7.
　また、第２熱交換器１１と第３熱交換器７とを、上下にラジエータ部を有する２パス型とした例を示した。しかしながら、第２熱交換器１１と第３熱交換器７とを、一方のタンク部から他方のタンク部へ冷媒が流れる１パス型の構成としてもよい。 Moreover, the example which made the 2nd heat exchanger 11 and the 3rd heat exchanger 7 the 2 pass type | mold which has a radiator part up and down was shown. However, the second heat exchanger 11 and the third heat exchanger 7 may have a one-pass configuration in which the refrigerant flows from one tank part to the other tank part.
　また、筒部１１ｇを下側へ向けた示した。しかしながら、筒部１１ｇを冷却風の流れ方向、特に、冷却風の流れの下流側（後側）に向けてもよい。 Also, the cylinder part 11g is shown facing downward. However, the cylindrical portion 11g may be directed toward the cooling air flow direction, particularly, the downstream side (rear side) of the cooling air flow.
　また、複合型熱交換器２１、２１Ａ、２１Ｂを車両に搭載するものとして説明したが、複合型熱交換器２１、２１Ａ、２１Ｂが搭載されるのは車両に限定されない。 In addition, although it has been described that the composite heat exchangers 21, 21A, and 21B are mounted on the vehicle, the mounting of the composite heat exchangers 21, 21A, and 21B is not limited to the vehicle.
　このように、本発明は、ここでは記載していない様々な実施形態などを含むことは勿論である。したがって、本発明の技術的範囲は、上述の説明から妥当な特許請求の範囲に係る発明特定事項によってのみ定められる。 As described above, the present invention naturally includes various embodiments that are not described herein. Therefore, the technical scope of the present invention is determined only by the invention specifying matters according to the scope of claims reasonable from the above description.
　特願２０１２－２８６９１６号（出願日：２０１２年１２月２８日）の全内容は、ここに援用される。 The entire contents of Japanese Patent Application No. 2012-286916 (filing date: December 28, 2012) are incorporated herein by reference.

Claims (4)

  1. 　第１冷媒と第２冷媒との間で熱交換する第１熱交換器と、
    　前記第１熱交換器から流出する前記第１冷媒と冷却風との間で熱交換する第２熱交換器と、
    　前記第２冷媒と冷却風との間で熱交換し、前記第２冷媒を前記第１熱交換器へ流出する第３熱交換器と、を備え、
    　　前記第２熱交換器は、第２熱交換器ラジエータ部と、前記第２熱交換器ラジエータ部の左右に位置する第２熱交換器タンク部と、を備え、
    　　前記第３熱交換器は、第３熱交換器ラジエータ部と、前記第３熱交換器ラジエータ部の左右に位置する第３熱交換器タンク部と、を備え、
    　　前記第２熱交換器と前記第３熱交換器とは、上下方向に隣接して配置され、
    　　前記第１熱交換器は、前記第２熱交換器および前記第３熱交換器の前記冷却風の流れの上流側または下流側に配置され、
    　　前記第１熱交換器は、前記第２熱交換器ラジエータ部および前記第３熱交換器ラジエータ部と、互いに隣接する前記第２熱交換器タンク部の一方および前記第３熱交換器タンク部の一方とに跨らせて取り付けられた
    複合型熱交換器。     A first heat exchanger for exchanging heat between the first refrigerant and the second refrigerant;
    A second heat exchanger for exchanging heat between the first refrigerant flowing out of the first heat exchanger and the cooling air;
    A third heat exchanger that exchanges heat between the second refrigerant and the cooling air, and flows the second refrigerant out to the first heat exchanger,
    The second heat exchanger includes a second heat exchanger radiator portion, and second heat exchanger tank portions located on the left and right of the second heat exchanger radiator portion,
    The third heat exchanger includes a third heat exchanger radiator portion, and third heat exchanger tank portions located on the left and right of the third heat exchanger radiator portion,
    The second heat exchanger and the third heat exchanger are disposed adjacent to each other in the vertical direction,
    The first heat exchanger is disposed on the upstream side or the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger,
    The first heat exchanger includes: the second heat exchanger radiator portion; the third heat exchanger radiator portion; one of the second heat exchanger tank portions adjacent to each other; and the third heat exchanger tank portion. A composite heat exchanger mounted on one side.
  2. 　前記第２熱交換器タンク部の一方は、第１冷媒入口部と第１冷媒出口部とを有し、
    　前記第３熱交換器タンク部の一方は、第２冷媒入口部と第２冷媒出口部とを有する
    請求項１に記載の複合型熱交換器。     One of the second heat exchanger tank parts has a first refrigerant inlet part and a first refrigerant outlet part,
    2. The composite heat exchanger according to claim 1, wherein one of the third heat exchanger tank portions has a second refrigerant inlet portion and a second refrigerant outlet portion.
  3. 　前記第１熱交換器は、前記第２熱交換器および前記第３熱交換器の前記冷却風の流れの下流側に配置され、
    　前記第１冷媒入口部は、前記第２熱交換器タンク部の一方に前記冷却風の流れ方向へ向けて延在し、
    　前記第２冷媒入口部、前記第２冷媒出口部は、前記第３熱交換器タンク部の一方に前記冷却風の流れ方向へ向けて延在する
    請求項２に記載の複合型熱交換器。     The first heat exchanger is disposed on the downstream side of the flow of the cooling air of the second heat exchanger and the third heat exchanger,
    The first refrigerant inlet portion extends toward one of the second heat exchanger tank portions in the flow direction of the cooling air,
    The composite heat exchanger according to claim 2, wherein the second refrigerant inlet portion and the second refrigerant outlet portion extend toward one of the third heat exchanger tank portions in the flow direction of the cooling air.
  4. 　前記第１熱交換器は、前記冷却風の流れ方向へ向けて延在する第１冷媒入口部、第１冷媒出口部、第２冷媒入口部、第２冷媒出口部を有する
    請求項３に記載の複合型熱交換器。     The said 1st heat exchanger has a 1st refrigerant | coolant inlet part extended toward the flow direction of the said cooling wind, a 1st refrigerant | coolant outlet part, a 2nd refrigerant | coolant inlet part, and a 2nd refrigerant | coolant outlet part. Combined heat exchanger.
PCT/JP2013/082569 2012-12-28 2013-12-04 Compound heat exchanger WO2014103639A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767086A (en) * 2016-12-30 2017-05-31 潍柴动力股份有限公司 A kind of heat exchanger structure
EP4148369A1 (en) * 2021-09-08 2023-03-15 Valeo Autosystemy SP. Z.O.O. A heat exchange assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6891711B2 (en) * 2017-08-02 2021-06-18 株式会社デンソー Combined heat exchanger
JP7119818B2 (en) * 2018-09-18 2022-08-17 トヨタ自動車株式会社 vehicle front structure

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005343221A (en) * 2004-05-31 2005-12-15 Calsonic Kansei Corp Cooling device structure of vehicle
JP2006207920A (en) * 2005-01-27 2006-08-10 Denso Corp Connecting structure of heat exchanger
JP2007170776A (en) * 2005-12-26 2007-07-05 Denso Corp Complex type heat exchanger and heat exchanger
WO2008072730A1 (en) * 2006-12-14 2008-06-19 Calsonic Kansei Corporation Compound heat exchanger and heat exchanger
JP2010127508A (en) * 2008-11-26 2010-06-10 Calsonic Kansei Corp Combined heat exchanger
JP2012083014A (en) * 2010-10-08 2012-04-26 Calsonic Kansei Corp Complex heat exchanger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100210076B1 (en) * 1996-08-14 1999-07-15 윤종용 Coolant pass arrangement device in heat exchanger
JP2008241232A (en) * 2007-02-26 2008-10-09 Denso Corp Ebullient cooling device
CN103502763A (en) * 2011-05-06 2014-01-08 三菱电机株式会社 Heat exchanger and refrigeration cycle device provided with same

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005343221A (en) * 2004-05-31 2005-12-15 Calsonic Kansei Corp Cooling device structure of vehicle
JP2006207920A (en) * 2005-01-27 2006-08-10 Denso Corp Connecting structure of heat exchanger
JP2007170776A (en) * 2005-12-26 2007-07-05 Denso Corp Complex type heat exchanger and heat exchanger
WO2008072730A1 (en) * 2006-12-14 2008-06-19 Calsonic Kansei Corporation Compound heat exchanger and heat exchanger
JP2010127508A (en) * 2008-11-26 2010-06-10 Calsonic Kansei Corp Combined heat exchanger
JP2012083014A (en) * 2010-10-08 2012-04-26 Calsonic Kansei Corp Complex heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106767086A (en) * 2016-12-30 2017-05-31 潍柴动力股份有限公司 A kind of heat exchanger structure
EP4148369A1 (en) * 2021-09-08 2023-03-15 Valeo Autosystemy SP. Z.O.O. A heat exchange assembly
WO2023036890A1 (en) * 2021-09-08 2023-03-16 Valeo Autosystemy Sp. Z O.O. A heat exchanger assembly

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