CN114017211A - Connection structure of EGR cooler casing and heat exchange core - Google Patents
Connection structure of EGR cooler casing and heat exchange core Download PDFInfo
- Publication number
- CN114017211A CN114017211A CN202111357134.5A CN202111357134A CN114017211A CN 114017211 A CN114017211 A CN 114017211A CN 202111357134 A CN202111357134 A CN 202111357134A CN 114017211 A CN114017211 A CN 114017211A
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- China
- Prior art keywords
- heat exchange
- exchange core
- supporting
- core body
- shell
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- 239000000853 adhesive Substances 0.000 claims description 15
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 238000003860 storage Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 18
- 238000003466 welding Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008646 thermal stress Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
The invention discloses a connecting structure of an EGR cooler shell and a heat exchange core body, which comprises a shell, heat exchange units, the heat exchange core body, supporting plates and supporting blocks, wherein the heat exchange core body comprises a plurality of heat exchange units, two ends of the heat exchange core body are respectively provided with a first connecting plate and a second connecting plate, the heat exchange core body is provided with the supporting plates at intervals, the heat exchange core body penetrates through the supporting plates, the periphery of each supporting plate is provided with the supporting blocks, the supporting blocks are uniformly connected to the periphery of the supporting plates, the periphery of the heat exchange core body is also provided with the shell, and the supporting blocks are connected with the shell. The invention adopts the connection design of the rigid body with the three sections of the supporting plate, the supporting block and the shell, can effectively eliminate the thermal deformation stress of the heat exchange core body, ensures the high-low temperature durability of the cooler, can also support the heat exchange core body, improves the integral rigidity of the heat exchange core body, enhances the damping effect of the heat exchange core body, improves the vibration resistance of the cooler and ensures the reliability of products.
Description
Technical Field
The invention belongs to the technical field of engines, and particularly relates to a connecting structure of an EGR cooler shell and a heat exchange core.
Background
The EGR cooler is more and more important on an engine, the reliability requirement is higher and higher, compared with a light engine, the exhaust gas flow of a medium-heavy engine and a heavy engine are high, the EGR cooler is required to have higher heat exchange quantity, so that the volume of the cooler is greatly increased, the internal heat exchange tube bundle is long and large in quantity, when the cooler works, a heat exchange core body is influenced by expansion caused by heat and contraction caused by cold to generate larger axial stress, so that axial displacement is generated, and because the expansion coefficients of a shell and the heat exchange core body are different, the thermal stress is easily generated at the contact position of the shell and the core body, so that the reliability problems of cracking of the welding seams between main boards at two ends and the end parts of heat exchange units, bending fracture of the heat exchange units, failure of internal support of the heat exchange core body and the like are easily caused, and the durability of the EGR cooler is seriously influenced.
At present, the most solutions are to add a corrugated pipe at the air inlet end of the EGR cooler, compensate the axial thermal expansion of the heat exchange unit through the corrugated pipe, add a support sheet structure on the integrated tube core structure, the support sheet is symmetrically arranged around the tube core and is in interference fit with the shell, and eliminate the thermal stress generated by the thermal deformation of the cooler during the operation by using the elastic deformation of the support sheet. The disadvantages of this approach are: the corrugated pipe is added, namely a part is added, and the corrugated pipes with different pipe diameters and different corrugated parameters need to be matched according to the structural size of the product, so that the universality of the part is poor, and the cost of the product is increased; on the other hand, the cooler may have a failure risk due to long-term thermal shock and vibration, and thus the reliability of the cooler is affected.
Disclosure of Invention
Therefore, the embodiment of the invention provides a connection structure of an EGR cooler shell and a heat exchange core, which adopts a support plate-support block-shell three-section rigid body connection design to effectively eliminate the thermal deformation stress of the heat exchange core, ensure the high and low temperature durability of the cooler, support the heat exchange core, improve the overall rigidity of the heat exchange core, enhance the damping effect of the heat exchange core, improve the inherent frequency of the heat exchange core, improve the vibration resistance of the cooler and ensure the reliability of a product.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: the utility model provides a connection structure of EGR cooler casing and heat transfer core, includes casing, heat transfer unit, heat transfer core, backup pad, supporting shoe, the heat transfer core includes a plurality of heat transfer units, the both ends of heat transfer core are provided with first connecting plate and second connecting plate respectively, the interval sets up a plurality of backup pads on the heat transfer core, the heat transfer core passes a plurality of backup pads, every the periphery of backup pad sets up a plurality of supporting shoes, a plurality of supporting shoes evenly connect in the periphery of backup pad, the periphery of heat transfer core still sets up the casing, the supporting shoe is connected with the casing.
Preferably, the support plate is bonded to the support block.
Further preferably, the periphery of the supporting plate is provided with a plurality of outer edge protrusions, one side of the supporting block, which is opposite to the supporting plate, is provided with a groove, two sides of the groove are outwards provided with adhesive storage grooves, and the outer edge protrusions on the periphery of the supporting plate are matched and bonded with the corresponding grooves.
Further preferably, the position of the supporting block back to the groove is provided with a lap joint, and the lap joint is attached to the outer surface of the shell and connected with the shell.
Further preferably, the periphery of the supporting plate is provided with a plurality of assembling grooves, one side of the supporting block opposite to the supporting plate is provided with an inserting rod, and the inserting rod is adapted to the corresponding assembling grooves and is adhered to the assembling grooves.
Further preferably, the plurality of outer edge protrusions are uniformly arranged on the periphery of the support plate.
Further preferably, the plurality of assembling grooves are uniformly opened on the periphery of the supporting plate.
Preferably, the heat exchange core body is of a square structure formed by a plurality of heat exchange units.
Preferably, the heat exchange unit is a round tube.
Preferably, the supporting plate is a square plate with through holes, the number of the supporting blocks is four, and the four supporting blocks are respectively matched with the middle parts of the corresponding side edges of the supporting plate.
The invention has at least the following advantages:
1. the invention adopts a support plate-support block-shell three-section rigid connection mode, the support plate is connected with the support block, the connection strength of the support plate and the support block is improved, and the support block is connected with the shell;
2. the bonding structure of the supporting plate and the supporting block can be in different forms such as inserting, lapping and sleeving, so that the bonding area is as large as possible under the condition of ensuring the bonding strength, the bearing capacity of a bonding joint is improved, the rigid connection mode is firmer, and the strength is higher;
3. the invention meets the requirements of high performance and high reliability of the cooler with simple structure and low cost, simultaneously, the parts can be set as standard parts, the invention is applied to EGR coolers with different specifications, simultaneously, the difficulty of the manufacturing process is reduced to the maximum extent, and the invention is more suitable for mass production.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic half-sectional view of a connecting structure of an EGR cooler shell and a heat exchange core according to the present invention;
FIG. 2 is a schematic view of a connection structure of a heat exchange core, a support plate and a support block of the connection structure of the EGR cooler shell and the heat exchange core according to the present invention;
FIG. 3 is a schematic view of the support plate and the support block of FIG. 2;
FIG. 4 is a schematic cross-sectional view of FIG. 3;
FIG. 5 is a schematic view of a support block according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a portion of the mating relationship of the housing, support plate and support block in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view of the mating relationship of the support plate and the support block in accordance with an embodiment of the present invention;
fig. 8 is a schematic cross-sectional view of fig. 7.
Wherein:
1-a shell;
2-a heat exchange unit;
3-a heat exchange core;
4-a support plate; 401-outer edge convex; 402-fitting a groove;
5-a support block; 501-grooves; 502-adhesive reservoir; 503-lap joint; 504-a plug rod;
6-a first connecting plate;
7-a second connection plate.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a connection structure of EGR cooler casing and heat transfer core, includes casing 1, heat transfer unit 2, heat transfer core 3, backup pad 4, supporting shoe 5, and wherein supporting shoe 5, backup pad 4 are used for connecting heat transfer unit 2 and casing 1, and backup pad 4 supports heat transfer unit 2, specifically is: the heat exchange core body 3 comprises a plurality of heat exchange units 2, a first connecting plate 6 and a second connecting plate 7 are respectively arranged at two ends of the heat exchange core body 3, a plurality of supporting plates 4 are arranged on the heat exchange core body 3 at intervals, the heat exchange core body 3 penetrates through the supporting plates 4, a plurality of supporting blocks 5 are arranged on the periphery of each supporting plate 4, the supporting blocks 5 are uniformly connected to the periphery of the supporting plates 4, a shell 1 is further arranged on the periphery of the heat exchange core body 3, and the supporting blocks 5 are connected with the shell 1.
In the process of assembling the EGR cooler, the heat exchange unit 2 forms a heat exchange core body 3, the heat exchange unit 2 and a support plate 4 are firstly assembled together, the support plate 4 is uniformly distributed on the heat exchange unit 2, then the shell 1 is installed, the support block 5 is bonded with the support block 5 through a through hole on the shell 1, the support block 5 is bonded or welded with the shell 1, a three-section rigid connection mode of the support plate 4, the support block 5 and the shell 1 is adopted, the connection strength of the two is improved, the connection mode is simple in structure, simple in assembly process and low in cost, in addition, the heat exchange core body 3 eliminates the thermal expansion and cold contraction damage effect generated by the thermal deformation of the heat exchange core body 3 by depending on the rigid connection structure, simultaneously, the effect of supporting the heat exchange core body 2 is achieved, the integral rigidity of the heat exchange core body 3 is improved, the damping effect of the heat exchange core body 3 is enhanced, and the inherent frequency of the heat exchange core body 3 is improved, the vibration resistance of the cooler is improved, the integral reliability of the cooler is better ensured, and the product competitiveness is improved.
Example 1
In this embodiment, backup pad 4 on the heat transfer unit 2 can be a plurality of, and the equipartition is on heat transfer unit 2, and backup pad 4 is connected with heat transfer core 3 that heat transfer unit 2 is constituteed, and backup pad 4 bonds with supporting shoe 5, specifically is: the supporting plate 4 is provided with a plurality of outer edge bulges 401, one side of the supporting block 5 opposite to the supporting plate 4 is provided with a groove 501, two sides of the groove 501 are outwards provided with adhesive storage tanks 502, the outer edge bulges 401 on the periphery of the supporting plate 4 are matched and adhered with the corresponding grooves 501, meanwhile, the excessive parts of the supporting block 5 are in clearance fit with the outer edge bulges 401 of the supporting plate 4, the contact between an adhesive joint and liquid can be blocked to a certain degree, the adhesive joint is prevented from being repeatedly impacted and the failure risk is prevented from being increased, an adhesive clearance of 0.08-0.15 mm is reserved between the outer edge bulges 401 of the supporting plate 4 and the grooves 501 of the supporting block 5, the adhesive is made of structural adhesive, wherein the outer edge bulges 401 of the supporting plate 4 are not only limited to be of a rectangular plate-shaped structure, but also can be of a cylindrical plate-shaped structure and the like, as long as the enough adhesive area is ensured, in addition, the supporting block 5 can also be provided with an outer edge bulge structure, the supporting plate 4 is provided with a groove, the splicing form is changed into a supporting block 5 and is spliced with the supporting plate 4, the assembling form of the supporting block 5 and the supporting plate 4 can be designed according to a specific structure, the supporting block 5 and the shell 1 are connected in a sleeved mode, the connecting mode is splicing or welding, the splicing connecting mode is adopted, the splicing structure has the advantages that the splicing joint of the supporting block 5 and the shell 1 only bears shearing force, the splicing area is large, the tearing force and the bending force are not borne, the welding connecting mode is adopted, the welding form can be fillet welding and butt joint, the splicing can be selected according to the specific bearing strength of the connecting joint, and the supporting block 5 can be in a shape which is different and limited to a distance shape, and can also be in a shape of a circle, a polygon or an ellipse.
A plurality of outer edge protrusions 401 may be uniformly disposed on the periphery of the support plate 4.
The heat exchange core body 3 can be a square structure formed by a plurality of heat exchange units 2.
Example 2
On the basis of above-mentioned embodiment 1, also can be on the basis of cup jointing, supporting shoe 5 increases overlap joint 503, the position that carries on the back with recess 501 on supporting shoe 5 sets up overlap joint 503, overlap joint 503 laminates in casing 1 surface and is connected with casing 1, supporting shoe 5 and casing 1 if adopt adhesive connection, can increase the adhesive joint resistance to compression, tensile strength, further holistic adhesive strength of improvement, improve bonding reliability, if supporting shoe 5 and casing 1 welding, the welding type can be fillet weld, because supporting shoe 5 has increased overlap joint 503, with the increase of casing 1 faying surface, can make the welding heat affected area keep away from the adhesive joint of backup pad 4 with supporting shoe 5 more, the adhesive joint has been reduced and has produced the risk of inefficacy because of the influence of thermal stress.
Example 3
On the basis of the embodiment 1, as an improvement of the connection type of the support plate 4 and the support block 5, the periphery of the support plate 4 is provided with a plurality of assembling grooves 402, one side of the support block 5 opposite to the support plate 4 is provided with the inserting rod 504, and the inserting rod 504 is adapted to the corresponding assembling groove 402 and is adhered to the assembling groove 402.
The plurality of fitting grooves 402 may be uniformly opened at the periphery of the support plate 4.
The backup pad 4 can be for opening the square board that has the through-hole, and supporting shoe 5 can set up four, and four supporting shoes 5 are adapted to the middle part that backup pad 4 corresponds the side respectively.
The connection type of the support plate 4 and the support block 5 and the connection type of the support block 5 and the shell 1 can be combined according to specific structures, and the performance and the reliability can be ensured without departing from the spirit and the scope of the technical scheme of the invention.
It should be noted that the three-stage rigid connection structure of the support plate 4, the support block 5 and the housing 1 provided by the embodiment of the present invention can be applied to the EGR cooler provided by the present application, and can also be applied to other structural devices as needed.
It should be noted that, in the three-section rigid connection structure of the support plate 4-support block 5-housing 1 provided in the embodiment of the present invention, the structural shape of the support block 5 may be, but not limited to, a distance shape, and may also be a circular shape, a polygonal shape, or an elliptical shape, the heat exchange units 2 are not limited to circular tubes, and may be heat exchange tubes of various shapes such as flat tubes, rectangular tubes, etc., the number of the heat exchange units 2 may also be required according to specific products, the housing 1 is not limited to cast housings, but also may be a drawn part, a machined part, etc., the shape of the protrusion 401 at the outer edge of the support plate 4 is not limited to a rectangular shape, or may also be a circular shape, a polygonal shape, or an elliptical shape, the form of the bonding structure of the support plate 4 and the support block 5 may be different forms such as inserting, overlapping, and sleeving, so that the bonding area is as large as possible under the condition of ensuring the bonding strength, the bearing capacity of the bonded joint is improved, and the specific bonding type and bonding area can be selected according to the specific design structure of the cooler.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The connecting structure of the EGR cooler shell and the heat exchange core is characterized by comprising a shell (1), heat exchange units (2), the heat exchange core (3), supporting plates (4) and supporting blocks (5), wherein the heat exchange core (3) comprises a plurality of heat exchange units (2), a first connecting plate (6) and a second connecting plate (7) are arranged at two ends of the heat exchange core (3) respectively, a plurality of supporting plates (4) are arranged on the heat exchange core (3) at intervals, the heat exchange core (3) penetrates through the supporting plates (4), each supporting block (5) is arranged on the periphery of the supporting plate (4), the supporting blocks (5) are uniformly connected to the periphery of the supporting plates (4), the shell (1) is further arranged on the periphery of the heat exchange core (3), and the supporting blocks (5) are connected with the shell (1).
2. A connection structure of an EGR cooler shell and a heat exchange core according to claim 1, characterized in that the support plate (4) is bonded to the support block (5).
3. The connecting structure of the EGR cooler shell and the heat exchange core body as recited in claim 2, wherein a plurality of outer edge protrusions (401) are arranged on the periphery of the supporting plate (4), a groove (501) is formed on one side of the supporting block (5) opposite to the supporting plate (4), adhesive storage grooves (502) are formed on two sides of the groove (501) outwards, and the outer edge protrusions (401) on the periphery of the supporting plate (4) are matched and bonded with the corresponding grooves (501).
4. The connection structure of the EGR cooler shell and the heat exchange core body as claimed in claim 3, wherein the support block (5) is provided with a lap joint (503) at a position opposite to the groove (501), and the lap joint (503) is attached to the outer surface of the shell (1) and connected with the shell (1).
5. The connecting structure of the EGR cooler shell and the heat exchange core body as recited in claim 2, wherein a plurality of assembling grooves (402) are formed in the periphery of the supporting plate (4), an inserting rod (504) is arranged on one side of the supporting block (5) opposite to the supporting plate (4), and the inserting rod (504) is fitted in the corresponding assembling groove (402) and bonded with the assembling groove (402).
6. A connection structure of an EGR cooler shell and a heat exchange core according to claim 3, wherein said plurality of outer edge protrusions (401) are uniformly provided on the periphery of the support plate (4).
7. A connecting structure of an EGR cooler shell and a heat exchange core body according to claim 5, characterized in that the plurality of assembling grooves (402) are uniformly opened at the periphery of the supporting plate (4).
8. The connecting structure of the EGR cooler shell and the heat exchange core body according to claim 1, characterized in that the heat exchange core body (3) is a square structure formed by a plurality of heat exchange units (2).
9. The connecting structure of the EGR cooler shell and the heat exchange core body as recited in claim 1, wherein the heat exchange unit (2) is a circular tube.
10. The structure for connecting an EGR cooler shell and a heat exchange core body as claimed in claim 1, wherein the supporting plate (4) is a square plate with through holes, four supporting blocks (5) are provided, and the four supporting blocks (5) are respectively adapted to the middle parts of the corresponding sides of the supporting plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357134.5A CN114017211A (en) | 2021-11-16 | 2021-11-16 | Connection structure of EGR cooler casing and heat exchange core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111357134.5A CN114017211A (en) | 2021-11-16 | 2021-11-16 | Connection structure of EGR cooler casing and heat exchange core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114017211A true CN114017211A (en) | 2022-02-08 |
Family
ID=80064634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111357134.5A Pending CN114017211A (en) | 2021-11-16 | 2021-11-16 | Connection structure of EGR cooler casing and heat exchange core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114017211A (en) |
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| CN202883161U (en) * | 2012-11-26 | 2013-04-17 | 中国重汽集团济南动力有限公司 | Tubular EGR (Exhaust Gas Recirculation) cooler assembly with double exhaust gas passages |
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| CN109387110A (en) * | 2018-11-30 | 2019-02-26 | 北京美联桥科技集团有限公司 | A kind of heat exchange tube structure and modularization cooler for eliminating the damage effect that expands with heat and contract with cold |
| CN112746914A (en) * | 2020-12-29 | 2021-05-04 | 浙江银轮机械股份有限公司 | Elastic support piece and EGR cooler |
| CN214170690U (en) * | 2020-12-11 | 2021-09-10 | 渭南美联桥汽车新技术研究院有限公司 | EGR cooler |
| CN216044091U (en) * | 2021-11-16 | 2022-03-15 | 北京美联桥科技集团有限公司 | Connection structure of EGR cooler casing and heat exchange core |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US2610832A (en) * | 1947-08-02 | 1952-09-16 | Gen Motors Corp | Condenser |
| US3199582A (en) * | 1962-04-06 | 1965-08-10 | Foster Wheeler Corp | Heat exchanger tube anti-vibration structure |
| US4476842A (en) * | 1982-09-20 | 1984-10-16 | Allis-Chalmers Corporation | Intercooler damper support |
| JP2007155158A (en) * | 2005-12-01 | 2007-06-21 | T Rad Co Ltd | Connecting structure of heat exchanger |
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