CN102792121B - Heat exchanger and method for producing same - Google Patents
Heat exchanger and method for producing same Download PDFInfo
- Publication number
- CN102792121B CN102792121B CN201180014201.1A CN201180014201A CN102792121B CN 102792121 B CN102792121 B CN 102792121B CN 201180014201 A CN201180014201 A CN 201180014201A CN 102792121 B CN102792121 B CN 102792121B
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- Prior art keywords
- casing
- pipe arrangement
- cylindrical portion
- heat exchanger
- outside pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—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
- F28F9/02—Header boxes; End plates
- F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
- F28F9/0224—Header boxes formed by sealing end plates into covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Disclosed is a heat exchanger that is characterized by being configured from an inlet tank provided on the inlet side to which a heating medium is sent via one external piping, an outlet tank provided on the outlet side from which the heating medium is sent via another external piping, and a heat transfer tube that interconnects the inlet tank and the outlet tank, and by a piping connector-comprising: a cap member provided with a flat section that forms the tank end face on the external piping side, and a cylindrical section that is vertically arranged from said flat section; and a joint member provided with a fitting hole that can fit to the cylindrical section, and a piping contact section at which the external piping is contacted-being provided to the end face on the external piping side of at least one of the inlet tank and the outlet tank. It is possible for the connecting section between the external piping and the tanks to be formed in a compact and low-cost manner.
Description
Technical field
The present invention relates to heat exchanger and the manufacture methods thereof such as the heater core that air conditioner for motor vehicle etc. uses, particularly relate to and the structure of the connecting portion of outside pipe arrangement has been carried out studying intensively the heat exchanger and manufacture method thereof that obtain.
Background technology
The heater core (heater core) that air conditioner for motor vehicle in the past uses has complicated structure more, so as using the casing in heater core and as outside pipe arrangement pipe between the connecting portion that engages as far as possible continuously the casing cross section of elongated domed shape is connected with the tube section of sub-circular.
In Fig. 1 of patent document 1, such as describe the heat exchange core in body side Inserting Tube joint categories.In this heat exchange core, pipe jointing part is formed by by the integrally formed joint component in pipe insertion section and casing insertion section.And the flowing path section multiform of this joint component becomes the ellipse being changed to casing side from the circle of pipe side continuously.
In addition, in the heat exchanger described in Fig. 8 of patent document 2, pipe jointing part implement by being provided with the pipe that terminal is processed joint component, to install from outer side covers casing end and the cap member of seal case end is formed.This cap member is in order to be entrenched in outside casing, and its cross sectional shape is formed as the circle being gradually varied to tube section from the cheese in box shape cross section.
Prior art document
Patent document 1: Japanese Unexamined Patent Publication 11-048758 publication
Patent document 2: Japanese Unexamined Patent Publication 2001-215095 publication.
Summary of the invention
The problem to be solved in the present invention
In the heat exchange core described in patent document 1, in order to the flow path shape of the complexity of working joint parts, needing must be larger by the path direction length setting of joint component.But if form joint component like this, then heat exchange core entirety can maximize, and runs counter to the requirement of equipment miniaturization in recent years.
In addition, in the heat exchanger described in patent document 2, because cap member has complicated shape, therefore the processing of cap member needs higher cost.
Therefore, the object of the present invention is to provide a kind of can be small-sized and form heat exchanger and the manufacture method thereof of the connecting portion between outside pipe arrangement and casing at an easy rate.
For the method for dealing with problems
For solving the problem, the feature of heat exchanger of the present invention is, the end face of the outside pipe arrangement side of the casing of the open side setting via outside pipe arrangement transport thermal medium is provided with the tubing connection portion be made up of cap member and joint component, the planar portions that described cap member has the casing end face forming outside pipe arrangement side and the cylindrical portion vertically arranged from this planar portions, described joint component has can the pipe arrangement abutting part that abuts of the embedded hole chimeric with described cylindrical portion and outside pipe arrangement.In such heat exchanger, described casing is such as the entrance casing arranged at the entrance side sending into thermal medium via an outside pipe arrangement, or at the outlet casing that the outlet side sending described thermal medium via other outside pipe arrangement is arranged, but also can be the casing arranged across the entrance side of thermal medium and outlet side.
In heat exchanger of the present invention, compared with the profile of preferably described cap member and described entrance casing or described outlet casing, be located at box inside.Like this, be located at the private side of box shape by cap member, the raising of implementation space efficiency.
According to such heat exchanger of the present invention, due to by outside pipe arrangement and the tubing connection portion that casing connects by have planar portions and cylindrical portion cap member, have can be chimeric with this cylindrical portion embedded hole and the joint component of pipe arrangement abutting part form, therefore can must shorter and cheap formation at the length setting of the path direction of thermal medium by tubing connection portion.And, due to same joint component can be used to the outside pipe arrangement of same size, same cap member can be used to the casing of same size, therefore more widely can use parts.
In heat exchanger of the present invention, in order to make casing miniaturized, the Area comparison reducing casing cross section is favourable.On the other hand, in order to guarantee larger to improve for the purpose of heat exchanger effectiveness by heat-transfer area, it is more favourable that heat-transfer pipe is formed as flat pattern.Therefore, preferably casing cross section is formed as close to rectangular shape, but in order to remain on the flow regime of the thermal medium flowed between casing and outside pipe arrangement well, the curves of flow path ground of thermal medium is formed more favourable.That is, be preferably mutually fitted together to and form the cross section of the described cylindrical portion of a part for the stream of thermal medium and described embedded hole is formed as approximate ellipsoidal.
In addition, be preferably formed with the first and second raised face (RF)s respectively in the end of the described outside pipe arrangement side of described cylindrical portion, make it opposed on the minor axis of cross section.Utilize the first and second such raised face (RF)s, for described cylindrical portion, can expand under the state embedding described embedded hole, easily implement the processing be fixed in described embedded hole.
In heat exchanger of the present invention, be preferably formed with the stage portion that can abut with the end face of the casing side of described joint component in the lateral surface side of described cylindrical portion.Contacted with the stage portion of such cylindrical portion by the end face of the casing side of joint component, easily and suitably can set the relative position relation both when making described embedded hole chimeric with described cylindrical portion.
In heat exchanger of the present invention, be preferably provided with the engagement pawl that can engage with the connecting hole formed at the box part forming described casing in described planar portions.Engaged with the connecting hole of box part by the engagement pawl of such cap member, parts pre-assembled operation each other becomes easy, then effectively can carry out the formal assembly operations such as one soldering.
In such heat exchanger of the present invention, preferably, heat exchanger is formed by with lower member: the entrance casing arranged at the entrance side sending into described thermal medium via an outside pipe arrangement; At the outlet casing that the outlet side sending described thermal medium via other outside pipe arrangement is arranged; And by the heat-transfer pipe that described entrance casing is communicated with described outlet casing, be located at the engagement pawl of the cap member of the described tubing connection portion of described entrance casing, be formed at different positions from the engagement pawl of cap member of the described tubing connection portion being located at described outlet casing.By making the forming part of the engagement pawl of cap member different at entrance casing from outlet casing, easily can prevent from mistaking the cap member of a casing and being arranged on the first-class mistake assembling of another casing.
And, for solving the problem, in the manufacture method of heat exchanger of the present invention, described outside pipe arrangement is connected to the end face of the casing of the open side of transporting thermal medium by described heat exchanger via joint component and cap member, described joint component has the pipe arrangement abutting part and embedded hole that outside pipe arrangement abuts, described cap member has cylindrical portion and planar portions, the feature of described method is, after making described embedded hole be entrenched in described cylindrical portion, the box part forming the casing be communicated with heat-transfer pipe is engaged with described planar portions, thus form the tubing connection portion be connected with described outside pipe arrangement by described casing.In the manufacture method of such heat exchanger, casing is such as the entrance casing of the entrance side being located at thermal medium, or is located at the outlet casing of outlet side of described thermal medium, but they also can be arranged across the entrance side of thermal medium and outlet side.
According to the manufacture method of such heat exchanger of the present invention, due to make to have pipe arrangement abutting part and embedded hole joint component, chimeric with the cap member with cylindrical portion and planar portions after, box part engages with the planar portions of cap member by the tubing connection portion be connected with casing by outside pipe arrangement, therefore, can must shorter and cheap formation at the length setting of the path direction of thermal medium by tubing connection portion.Particularly, due to two parts certainly under middle the assembled state making joint component and cap member chimeric, using with the bonding process of box part afterwards, high efficiency and the simplification of assembling procedure therefore can be realized.
In the manufacture method of heat exchanger of the present invention, expand after preferably described cylindrical portion being embedded described embedded hole.Specifically, preferably form raised face (RF), make the end of the outside pipe arrangement side from described cylindrical portion that a part for tubular side is extended for overshooting shape, by this raised face (RF) is bent towards described embedded hole, described cylindrical portion is expanded.Like this, after described cylindrical portion is embedded described embedded hole, expand opening portion, thus can be easy and promptly butt joint parts and cap member carry out pre-assembled.
In the manufacture method of heat exchanger of the present invention, preferably, described joint component is made to abut with the stage portion of the lateral surface side being located at described cylindrical portion.Described cylindrical portion is provided with stage portion, is contacted with this stage portion by the end face of the casing side of joint component, easily and suitably can set the relative position relation both when making described embedded hole chimeric with described cylindrical portion.
In the manufacture method of heat exchanger of the present invention, preferably, after making the engagement pawl being located at described planar portions engage with the connecting hole being formed at described box part, described box part is engaged with described planar portions.By the engagement pawl of cap member being engaged with the connecting hole of box part, parts pre-assembled operation each other becomes easy, then effectively can carry out the formal assembly operations such as one soldering.
The effect of invention
According to heat exchanger of the present invention and manufacture method thereof, can must shorter and cheap formation at the length setting of the path direction of thermal medium by the tubing connection portion that connects outside pipe arrangement and casing.And, the parts forming tubing connection portion more widely can be used in the goods group of sizes.
Accompanying drawing explanation
Fig. 1 is the stereogram of the heater core that an embodiment of the invention are shown.
Fig. 2 is the enlarged partial isometric view will amplified near the tubing connection portion of the heater core of Fig. 1.
Fig. 3 illustrates the joint component of the tubing connection portion of pie graph 2, and (A) is front view, and (B) is the side view observed from the right of (A).
Fig. 4 illustrates the cap member of the tubing connection portion of pie graph 2, and (A) is front view, and (B) is the side view observed from the right of (A).
Fig. 5 illustrates the joint component of the tubing connection portion of pie graph 2 and the chimeric operation of cap member, and (A) is the plane that the state before being fitted together to is shown, (B) is the plane that the state after being fitted together to is shown.
Description of reference numerals
1 heater core
2,6 outside pipe arrangements
3 entrance casings
4 heat-transfer pipes
5 outlet casings
7,8 tubing connection portion
10 seat board components
11 cap members
11a planar portions
11b cylindrical portion
12 joint components
12a embedded hole
12b step surface
13 cap assemblies
13a connecting hole
13b slot
14,17,18 engagement pawls
15,16 raised face (RF)s
19 stage portion
L is apart from the distance of heater core side.
Detailed description of the invention
Below, illustrate preferred embodiment of the present invention with reference to accompanying drawing.
Fig. 1 is the stereogram of the heater core 1 that an embodiment of the invention are shown.Be provided with at heater core 1: the outside pipe arrangement 2 via entrance side is imported into the entrance casing 3 of thermal medium; Transport thermal medium from entrance casing 3 and carry out the multiple stacked heat-transfer pipe 4 of heat exchange; By the outlet casing 5 that the thermal medium from heat-transfer pipe 4 reclaims; And the outside pipe arrangement 6 of the outlet side of thermal medium is discharged from outlet casing 5, between adjacent heat-transfer pipe 4, be provided with the fin (outer fin) of not shown heat exchange.Tubing connection portion 7,8 is respectively arranged with at outside pipe arrangement 2 and the coupling part of entrance casing 3 and the coupling part of outside pipe arrangement 6 and outlet casing 5.The length of the path direction of tubing connection portion 7,8 is formed very short, so the distance L from the side of heater core 1 to the bend of outside pipe arrangement 2,6 sets shorter.Such heater core 1 meets the requirement of equipment miniaturization in recent years.
Fig. 2 is the enlarged partial isometric view amplified near the tubing connection portion 8 by the outlet side of heater core 1.The joint component 12 with the pipe arrangement patchhole being inserted with outside pipe arrangement 6 is entrenched on the cap member 11 of the planar portions with the end face forming outlet casing 5, thus forms the tubing connection portion 8 being inserted with outside pipe arrangement 6.In addition, the tubing connection portion 7 of the entrance side of heater core 1 also uses the structure same with tubing connection portion 8, but in order to avoid the repetition of contents, therefore omission is described.
In addition, export casing 5 following component combination is formed: cap member 11; There is the seat board component 10 of the pipe patchhole being inserted with heat-transfer pipe 4; And the cap assembly 13 of the tubular side exporting casing 5 is formed together with seat board component 10.Engagement pawl 14 is formed as giving prominence to from the upper end of the planar portions 11a of cap member 11.Engaged with the connecting hole 13a being located at cap assembly 13 by engagement pawl 14, can operate with easy, using pre-assembled to the cap member 11 of the box part as formation outlet casing 5, seat board component 10 and cap assembly 13.And, the planar portions 11a of cap member 11 is located at box inside compared with the profile of outlet casing 5, namely compare with the hollow end face of outside pipe arrangement 6 side of the outlet casing 5 formed by seat board component 10 and cap assembly 13 and be located at box house side, thus realize the structure that cap member 11 is contained in inner side compared with box shape, realize the miniaturization of the connecting structure between outside pipe arrangement 6 and outlet casing 5.Under such pre-assembled state, heater core 1 is by one soldering.
Fig. 3 illustrates the joint component 12 forming tubing connection portion 8.The ladder barrel shape that joint component 12 changes with being formed as internal-and external diameter ladder, is provided with oval embedded hole 12a in the bottom surface of smaller diameter side.The front end face of outside pipe arrangement 6 is abutted, soldering is fixed on step surface 12b inside joint component 12.
Fig. 4 illustrates the cap member 11 forming tubing connection portion 8.Cap member 11 has planar portions 11a and cylindrical portion 11b, in the position that the central portion of the upper end of planar portions 11a is kept right slightly, is provided with the engagement pawl 14 that can engage with the connecting hole 13a of cap assembly 13.Also the engagement pawl (not shown) same with engagement pawl 14 is provided with at entrance casing 3, but in order to prevent assembling by mistake, different from engagement pawl 14, be located at central portion and slightly keep left.In addition, the engagement pawl 17,18 that can engage with the slot 13b of cap assembly 13 is provided with in the lower end of the left and right of planar portions 11a.
Cylindrical portion 11b is vertically arranged from planar portions 11a, makes cross section be approximate ellipsoidal.Be formed with raised face (RF) 15,16 at the outside pipe arrangement side end of cylindrical portion, they are opposed on the minor axis of the ellipse of the cross section of formation cylindrical portion 11b.Such as when using the expander utensil of cross section circle to carry out expander to cylindrical portion 11b, by raised face (RF) 15,16 is bent toward the outer side, can be easy and promptly implement expander processing.
The tubular lateral surface of cylindrical portion 11b is provided with stage portion 19.When cap member 11 and joint component 12 are fitted together to, the front end of joint component 12 is connected in stage portion 19.Like this, easyly operation can be positioned when assembling.
Fig. 5 illustrates the chimeric operation of joint component 12 and cap member 11.The cylindrical portion 11b of the cap member 11 and embedded hole 12a of joint component 12 chimeric insert time, the front end of joint component 12 is connected to the stage portion 19 of cylindrical portion 11b.Like this, determine joint component 12 and the relative position relation of cap member 11 under chimerism, further, raised face (RF) 15 is towards joint component 12 lateral bend, and the cross section of cylindrical portion 11b is radially expanded and is temporarily fixed thus.
Industrial practicality
Heat exchanger of the present invention and manufacture method thereof go for various heat-transfer pipe cascade type heat exchanger.
Claims (13)
1. a heat exchanger, is characterized in that:
The end face of outside pipe arrangement side of the casing arranged in the open side being transported thermal medium via outside pipe arrangement is provided with the tubing connection portion be made up of cap member and joint component, the planar portions that described cap member has the casing end face forming outside pipe arrangement side and the cylindrical portion vertically arranged from this planar portions, described joint component has can the pipe arrangement abutting part that abuts of the embedded hole chimeric with described cylindrical portion and outside pipe arrangement
Described cap member is located at box inside compared with the profile of described casing,
Cross section and the described embedded hole of described cylindrical portion are formed as approximate ellipsoidal,
Be formed with the first and second raised face (RF)s respectively in the end of the described outside pipe arrangement side of described cylindrical portion, make it opposed on the minor axis of cross section.
2. heat exchanger as claimed in claim 1, is characterized in that:
Described heat exchanger is formed by with lower component: the entrance casing arranged at the entrance side being admitted to thermal medium via an outside pipe arrangement; At the outlet casing that the outlet side sending described thermal medium via other outside pipe arrangement is arranged; And by the heat-transfer pipe that described entrance casing is communicated with described outlet casing,
Wherein, the end face of the outside pipe arrangement side of at least one casing of described entrance casing and described outlet casing is provided with the tubing connection portion be made up of cap member and joint component, the planar portions that described cap member has the casing end face forming outside pipe arrangement side and the cylindrical portion vertically arranged from this planar portions, described joint component has can the pipe arrangement abutting part that abuts of the embedded hole chimeric with described cylindrical portion and outside pipe arrangement.
3. heat exchanger as claimed in claim 2, is characterized in that:
Box inside is located at compared with the profile of described cap member and described entrance casing or described outlet casing.
4. heat exchanger as claimed in claim 1, is characterized in that:
Described cylindrical portion expands under the state embedding described embedded hole.
5. heat exchanger as claimed in claim 1, is characterized in that:
The stage portion that can abut with the end face of the casing side of described joint component is formed in the lateral surface side of described cylindrical portion.
6. heat exchanger as claimed in claim 1, is characterized in that:
Described planar portions is provided with engagement pawl, and this engagement pawl can engage with forming the connecting hole that the box part of described casing is formed.
7. heat exchanger as claimed in claim 6, is characterized in that:
Described heat exchanger is formed by with lower member: the entrance casing arranged at the entrance side being admitted to described thermal medium via an outside pipe arrangement; At the outlet casing that the outlet side sending described thermal medium via other outside pipe arrangement is arranged; And by the heat-transfer pipe that described entrance casing is communicated with described outlet casing,
Wherein, be located at the engagement pawl of the cap member of the described tubing connection portion of described entrance casing, be formed at different positions from the engagement pawl of cap member of the described tubing connection portion being located at described outlet casing.
8. the manufacture method of a heat exchanger, outside pipe arrangement is connected to the end face of the casing of the open side of transporting thermal medium by described heat exchanger via joint component and cap member, described joint component has the pipe arrangement abutting part and embedded hole that described outside pipe arrangement abuts, described cap member has cylindrical portion and planar portions, and the feature of described method is:
Described cap member is located at box inside compared with the profile of described casing,
After making described embedded hole be entrenched in described cylindrical portion, the box part forming the casing be communicated with heat-transfer pipe is engaged with described planar portions, thus forms the tubing connection portion be connected with described outside pipe arrangement by described casing,
Cross section and the described embedded hole of described cylindrical portion are formed as approximate ellipsoidal,
Be formed with the first and second raised face (RF)s respectively in the end of the described outside pipe arrangement side of described cylindrical portion, make it opposed on the minor axis of cross section.
9. the manufacture method of heat exchanger as claimed in claim 8, is characterized in that:
Described casing is the entrance casing of the entrance side being located at thermal medium or is located at the outlet casing of outlet side of described thermal medium.
10. the manufacture method of heat exchanger as claimed in claim 8 or 9, is characterized in that:
After described cylindrical portion embeds described embedded hole, described cylindrical portion is expanded.
The manufacture method of 11. heat exchangers as claimed in claim 10, is characterized in that:
The radial outside of the raised face (RF) being formed at the end of the outside pipe arrangement side of described cylindrical portion towards described embedded hole is bent, thus described cylindrical portion is expanded.
The manufacture method of 12. heat exchangers as claimed in claim 8, is characterized in that:
Described joint component is abutted with the stage portion of the lateral surface side being located at described cylindrical portion.
The manufacture method of 13. heat exchangers as claimed in claim 8, is characterized in that:
After making the engagement pawl being located at described planar portions engage with the connecting hole being formed at described box part, described box part is engaged with described planar portions.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010060726A JP5419221B2 (en) | 2010-03-17 | 2010-03-17 | Heat exchanger and manufacturing method thereof |
JP2010-060726 | 2010-03-17 | ||
PCT/JP2011/055450 WO2011114952A1 (en) | 2010-03-17 | 2011-03-09 | Heat exchanger and method for producing same |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102792121A CN102792121A (en) | 2012-11-21 |
CN102792121B true CN102792121B (en) | 2015-07-01 |
Family
ID=44649050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201180014201.1A Active CN102792121B (en) | 2010-03-17 | 2011-03-09 | Heat exchanger and method for producing same |
Country Status (3)
Country | Link |
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JP (1) | JP5419221B2 (en) |
CN (1) | CN102792121B (en) |
WO (1) | WO2011114952A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6483409B2 (en) * | 2013-12-26 | 2019-03-13 | カルソニックカンセイ株式会社 | Heat exchanger |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5662162A (en) * | 1994-07-28 | 1997-09-02 | Nippondenso Co., Ltd. | Heat exchanging apparatus |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0814702A (en) * | 1994-06-27 | 1996-01-19 | Nippondenso Co Ltd | Laminate type evaporator |
JP2001215095A (en) * | 1999-11-22 | 2001-08-10 | Denso Corp | Heat exchanger |
JP2005090946A (en) * | 2003-08-08 | 2005-04-07 | Showa Denko Kk | Heat exchanger and evaporator |
-
2010
- 2010-03-17 JP JP2010060726A patent/JP5419221B2/en active Active
-
2011
- 2011-03-09 WO PCT/JP2011/055450 patent/WO2011114952A1/en active Application Filing
- 2011-03-09 CN CN201180014201.1A patent/CN102792121B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5662162A (en) * | 1994-07-28 | 1997-09-02 | Nippondenso Co., Ltd. | Heat exchanging apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN102792121A (en) | 2012-11-21 |
JP2011196570A (en) | 2011-10-06 |
JP5419221B2 (en) | 2014-02-19 |
WO2011114952A1 (en) | 2011-09-22 |
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