WO2004020928A1 - Egrクーラ - Google Patents
Egrクーラ Download PDFInfo
- Publication number
- WO2004020928A1 WO2004020928A1 PCT/JP2003/009775 JP0309775W WO2004020928A1 WO 2004020928 A1 WO2004020928 A1 WO 2004020928A1 JP 0309775 W JP0309775 W JP 0309775W WO 2004020928 A1 WO2004020928 A1 WO 2004020928A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tube
- egr cooler
- center line
- plane
- tubes
- Prior art date
Links
- 239000012809 cooling fluid Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- 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
- F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
- F28D1/05333—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/29—Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
- F02M26/32—Liquid-cooled heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- 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
- F28D1/047—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 bent, e.g. in a serpentine or zig-zag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/06—Tubular elements of cross-section which is non-circular crimped or corrugated in cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
- F28F1/424—Means comprising outside portions integral with inside portions
- F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/013—Auxiliary supports for elements for tubes or tube-assemblies
- F28F9/0131—Auxiliary supports for elements for tubes or tube-assemblies formed by plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
Definitions
- the present invention relates to an exhaust gas recirculation device (hereinafter, referred to as an EGR cooler).
- EGR cooler in which a large number of linear tubes having a circular cross section are arranged in parallel at a distance from each other, both ends of which are connected to a header, and the outer periphery of the tubes is covered by a casing.
- the cooling water is circulated in the casing, the exhaust gas is circulated in the tube, and heat is exchanged between the two to cool the exhaust gas.
- Japanese Patent Application Laid-Open No. 2000-345925 discloses an invention in which a plurality of spiral projections are formed on the inner peripheral surface of a tube so that exhaust gas can evenly and sufficiently contact the inner peripheral surface of the tube. It has been proposed as.
- a conventional EGR cooler tube with multiple spiral protrusions formed on the inner surface side can be expected to further improve the contact between the exhaust gas and the inner peripheral surface of the tube, but that is not enough. Is hard to say.
- an object of the present invention is to provide an EGR cooler which can promote heat exchange by sufficiently stirring exhaust gas in a tube and can be easily manufactured. Furthermore, the EGR cooler may generate condensed liquid in the tube, in which case the condensed liquid is desirably removed smoothly. Disclosure of the invention According to the present invention, a large number of tubes (1) having a circular cross section are arranged in parallel at a distance from each other, and both ends of each tube (1) are communicated with a pair of headers (2). 1) In the EGR cooler, the exhaust gas (3) to be cooled flows inside and the cooling fluid (4) flows through the outer surface of the tube (1).
- the EGR tube is characterized in that the tube (1) has a circular cross section, and is plastically deformed in a plane passing through the center line thereof, thereby forming an exhaust gas flow path that is bent into a waveform inside. It is a ruler.
- the center line of the tube (1) is on a straight line and is spaced apart from each other in the longitudinal direction so that a number of recesses (5) are bent from the outer surface to the inner surface, and the recesses (5) are
- the inner and outer surfaces of the cross section on one plane are formed in a mountain shape, and the ridge line (5a) at the top of the mountain is orthogonal to the one plane,
- Adjacent recesses (5) are formed at positions 180 degrees circumferentially different from each other,
- EGR coolers Both ends of the tube in the longitudinal direction are EGR coolers in which circular sections (la) having a circular cross section perpendicular to the axis are formed.
- Each of the tubes (1) has the same shape whose center line is bent in a waveform in the one plane, and is parallel to each other so that the phases of the waveforms of the tubes in each row coincide. It is an EGR cooler located in.
- the EGR cooler is arranged so that the phases of the waves in adjacent rows are 180 degrees different from each other.
- the present invention described in claim 5 is based on claim 3,
- the plane of the bending direction of the center line of each tube (1) is at the same angle 0 with respect to the horizontal plane (15). This is an EGR cooler that is inclined.
- Each tube (1) is an EGR cooler having a tube support (7) formed in a V-shaped cross section on the lower surface side of two spaced apart tops of the center line waveform.
- each tube (1) The longitudinal ends of each tube (1) are EGR coolers whose center lines are formed straight.
- the EGR cooler of the present invention has the above configuration and has the following effects.
- the tube 1 is plastically deformed in one plane passing through the center line of the tube 1 so as to form the exhaust gas flow path in a waveform.
- the gas gas can be sufficiently meandered and agitated and stirred to promote heat exchange with the cooling fluid 4 on the outer surface of the tube 1.
- plastic deformation portion is performed in one plane passing through the center line, a plastic material having a circular cross section can be easily plastically deformed by press working or the like.
- the plurality of recesses 5 are separated from each other in the longitudinal direction and the circumferential direction, are bent from the outer surface to the inner surface by plastic deformation, and the cross section of the recess 5 has a mountain shape.
- the ridge line 5a in a direction intersecting the center line of the tube 1, the exhaust gas 3 flowing through the inside is guided to the chevron of the recess 5 and undulated by the ridge line 5a. Circulates and stirs exhaust gas 3 smoothly without increasing flow resistance so much To promote heat exchange. At the same time, clogging is unlikely to occur.
- each of the concave portions 5 is bent by plastic deformation from the outer surface side of the tube having a circular cross section, its manufacture is easy.
- the tube 1 is basically circular in cross section, high pressure resistance and high pressure exhaust gas 3 can be circulated.
- the recesses 5 are circumferentially separated from each other by 180 degrees, so that the exhaust gas 3 is periodically wave-shaped to further improve the heat exchange performance.
- the arrangement density of the tubes can be made the same as that of the straight tube while shortening the entire length of the heat exchanger. That is, the length between both ends can be reduced as compared with the case where a straight tube having the same flow path length in the tube 1 is used.
- the tubes 1 have the same shape with the center line bent in a waveform in one plane and are arranged in parallel so that the phases of the waveforms in each row match, the tubes 1 are compact and have high performance. Good! /, EGR cooler can be provided.
- heat exchange can be promoted by sufficiently agitating the exhaust gas 3 flowing in the tube 1 and the fluid flowing in the outer surface side thereof by the waveform of the tube 1.
- the condensate generated inside the tube 1 of the EGR cooler can flow smoothly downward in the inclined direction inside the tube 1. Therefore, there is no danger of condensate remaining in the tube 1 and corroding the tube 1, and the durability is high.
- GR cooler can be provided.
- the exhaust gas 3 flowing through the tube 1 is agitated and the heat transfer area is increased, so that heat exchange with the cooling fluid 4 can be promoted. .
- the tubes 1 when a large number of tubes 1 are arranged on a pair of plate members 6, they can be arranged in parallel in the same direction. That is, the tubes 1 are juxtaposed on the plate 6 without facing in an arbitrary direction around the center line. Thereby, at the time of assembling the EGR cooler, the respective bent planes can be arranged in the same direction and can be easily assembled.
- the lower surface side of the top of the tube 1 is formed in a V-shaped cross section, and has the support portion 7 therein, so that the support V-shaped concave portion aligned with the support portion 7 is provided.
- the plate 6 having 13 allows a large number of tubes 1 to be arranged side by side while maintaining the bent planes in the same direction. Thereby, the assembly of the EGR cooler may be facilitated.
- the straight portions at both ends in the longitudinal direction of the tube 1 are communicated with the header 2, and the communicating portions can be easily airtightly fixed. That is, the airtightness of the tube passage between the tube 1 and the header 2 can be ensured by the same method as that for the tube having a straight length.
- FIG. 1 is a partially cutaway plan view of the EGR cooler of the present invention
- FIG. 2 is a perspective view of a main part of a tube 1 used in the EGR cooler
- FIG. 3 is a cross-sectional view taken along the line III-III of FIG.
- Fig. 4 is a cross-sectional view taken along the line IV-IV in Fig. 3
- Fig. 5 shows another example of the tube 1 used in the EGR cooler
- Fig. 5 (A) is a front view thereof
- Figs. (D) is a cross-sectional view taken along the line B--B, C--C, and D--D in FIG. 5 (A)
- FIG. 6 is a schematic cross-sectional view taken along the line VI--VI in FIG.
- FIG. 8 is a partially cutaway plan view of an EGR cooler showing a second embodiment of the present invention
- FIG. 8 is a view taken in the direction of arrows VIII-VIII in FIG. 7
- FIG. 9 is still another embodiment of the EGR cooler of the present invention.
- FIG. 10 is a schematic cross-sectional view taken along the line X--X of FIG. 9, and
- FIG. 11 is a side view of the tube 1 used in the EGR cooler before being assembled to a pair of plate members 6 before assembling.
- FIG. 12 is a front view of the EGR cooler, and FIG. 12 is an explanatory view showing a state in which the tube 1 used in the EGR cooler is attached to the header plate 2a.
- Fig. 14 is an explanatory view showing the use state of the tube 1 attached to the header plate 2a.
- Fig. 15 is a front view showing the parallel support state of another tube 1 used in the EGR cooler.
- 6 is a cross-sectional view taken along the line FF of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a partially cutaway plan view of the EGR cooler of the present invention
- FIG. 2 is a perspective view of a main part of a tube 1 used in the EGR cooler
- FIG. 3 is a cross-sectional view taken along the line III-III of FIG. 4 is a sectional view taken along the line IV-IV in FIG.
- a number of tubes 1 are spaced apart from each other and arranged in parallel at regular intervals, and both ends of each tube 1 are connected to a pair of headers 2. Then, the exhaust gas 3 flows into each tube 1 from one header 2 and is guided to the other header 2.
- a cooling fluid 4 such as cooling water or cooling air flows around the outer circumference of each tube 1 to cool the exhaust gas 3.
- each of the tubes 1 is formed by forming a large number of recesses 5 in a tube having a circular cross section so as to be separated from each other in the longitudinal direction and the circumferential direction of the tube 1. Adjacent recesses 5 are 180 degrees apart from each other in the circumferential direction. Each recess 5 is shown in Figure 4.
- the inner and outer surfaces of the cross section parallel to the center line L are bent into a mountain shape, and the ridgeline 5 a at the top of the mountain is orthogonal to the center line L.
- the ridge line 5 a is located in the direction of gravity when the heat exchanger is installed. As a result, no concavities and convexities are formed on the lower surface side of the tube 1, and condensed water accumulated in the tube can be smoothly removed to the outside.
- the cooling fluid 4 flows in a direction perpendicular to the center line L of the tube 1 as shown in FIG. Further, the exhaust gas 3 flowing in the tube 1 undulates and is stirred by the presence of the many concave portions 5, and heat exchange with the cooling fluid 4 is promoted.
- each tube 1 Note that the cooling fluid 4 itself flowing on the outer surface side of each tube 1 is also agitated by the presence of the concave portion 5 to promote heat exchange.
- FIGS. 5 and 6 show another example of the tube 1 used in the EGR cooler of the present invention
- FIG. 5 (A) is a front view thereof
- FIGS. 5 (B) to (D) are FIG. 5 (A).
- FIG. 3 is a cross-sectional view of each of B—B, C—C, and D—D in FIG.
- FIG. 6 is a schematic sectional view taken along the line VI-VI in FIG. 5 (A).
- the concave portion 5 in this example has a shape in which the maximum diameter is larger than the diameter of the tube 1, the cross section at the ridge line 5a is slightly larger than a semicircle, and both ends of the ridge line 5a are slightly expanded.
- the exhaust gas 3 flowing through the tube 1 can be expanded in the direction of the ridge line at the concave portion 5, whereby the stirring of the fluid can be promoted and the heat exchange can be further improved.
- FIG. 7 is a plan view (partially omitted) showing another example of the EGR cooler of the present invention
- FIG. 8 is a view taken along the line ⁇ _ ⁇ in FIG.
- the EGR cooler has the same shape in which the center line of each tube 1 is bent in a waveform in one plane except for both ends. And, at both ends in the longitudinal direction of the tube 1, the center line is formed in a straight line. Then, both ends thereof are passed through the tube through holes of the pair of header plates 2a, and the through portions are air-tightly fixed.
- the header plate 2a closes the opening of the header body 2b, and forms the header 2 by the header plate 2a and the header body 2b.
- the waveforms of the tubes 1 in each row are arranged in parallel with each other as shown in FIG.
- the tubes 1 in each row vertically adjacent to each other are arranged such that the phases of the waves are different by 180 degrees.
- the header 2 on the right side is provided with an exhaust gas outlet pipe 9.
- the exhaust gas 3 flows in from the inlet / outlet pipe of the header 2 on the left side in FIG. 7, flows through each tube 1, and the exhaust gas outlet pipe 9 of the other header 2. From which it is guided to the outside.
- a cooling fluid 4 composed of cooling water or cooling air flows in parallel to the bent plane of the tube, and the cooling fluid 4 cools the exhaust gas 3 in the tube. .
- the exhaust gas 3 is guided in a waveform in the tube 1 and is stirred, thereby promoting heat exchange with the cooling fluid 4 and, at the same time, removing the soot adhering in the tube 1 by the stirring, so that the inside of the tube 1 is removed. Prevent blockage. Further, since the cooling fluid 4 flows in parallel to the bent plane of the tube 1, the cooling fluid 4 itself is also stirred, and heat exchange with the exhaust gas 3 can be promoted.
- FIG. 9 is a cross-sectional front view of a main part showing another embodiment of the EGR cooler of the present invention
- FIG. 10 is a view taken in the direction of arrows XX in FIG.
- This EGR cooler has the same shape as that of Fig. 7 in which the center line of each tube 1 is bent into a waveform, and is parallel to each other so that the phases of the waveforms of those tubes in each row match. Are located in
- the casing 4 covers the outer periphery of the aggregate of a large number of tubes 1 and that each tube 1 has the same wave phase in all rows. is there. That is, the upper tube 1 and the lower tube 1 are bent in the same direction in a waveform. As shown in FIG. 9, the whole is arranged at an angle ⁇ inclined with respect to the horizontal plane 15.
- Each tube 1 has its surface in the bending direction held horizontally, and its surface is inclined at an angle ⁇ ⁇ ⁇ ⁇ with respect to the horizontal plane 15. As a result, the condensate generated in the tube 1 smoothly flows downward in the inclined direction. As a result, there is no possibility that the condensed liquid will accumulate in the tube 1 and corrode the tube.
- each tube 1 is stabilized in the state shown in Fig. 11 by gravity balance.
- the tubes 1 can be juxtaposed on the plate 6 in the same direction as shown in FIG.
- This parallel arrangement facilitates the assembly of the EGR cooler. That is, at the time of the assembling, the respective tubes 1 can be arranged in parallel with the tube-through holes of the header plate 2a by matching the directions of the tubes, as shown in FIG. In this example, all the tubes 1 can be arranged in parallel with the wave bending direction of each tube 1 positioned vertically. Next, the whole assembly is rotated 90 degrees to be positioned as shown in FIG.
- FIGS. 15 and 16 show another embodiment of the tube 1.
- This embodiment differs from FIGS. 11 and 12 in that the cross section of the tube 1 at the support point of the plate 6 is V It is shaped like a letter.
- the plate 6 has a large number of supporting V-shaped recesses 13 at its upper edge so as to be aligned with it. It is parallel and separated from / ⁇ .
- the directions of all the tubes 1 arranged in parallel can be oriented in the same direction by the support V-shaped concave portion 13 and the support portion 7.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/526,331 US7171956B2 (en) | 2002-08-28 | 2002-07-31 | EGR cooler |
EP03791188A EP1548386B1 (en) | 2002-08-28 | 2003-07-31 | Egr cooler |
DE60332369T DE60332369D1 (de) | 2002-08-28 | 2003-07-31 | Agr-kühler |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002249786A JP4273483B2 (ja) | 2002-08-28 | 2002-08-28 | 熱交換器用チューブおよび熱交換器 |
JP2002-249786 | 2002-08-28 | ||
JP2002270395A JP2004108641A (ja) | 2002-09-17 | 2002-09-17 | 多管型熱交換器 |
JP2002-270395 | 2002-09-17 | ||
JP2003145967A JP4207196B2 (ja) | 2003-05-23 | 2003-05-23 | 熱交換器 |
JP2003-145967 | 2003-05-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004020928A1 true WO2004020928A1 (ja) | 2004-03-11 |
Family
ID=31982125
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/009775 WO2004020928A1 (ja) | 2002-08-28 | 2003-07-31 | Egrクーラ |
Country Status (5)
Country | Link |
---|---|
US (1) | US7171956B2 (ja) |
EP (1) | EP1548386B1 (ja) |
CN (1) | CN100404995C (ja) |
DE (1) | DE60332369D1 (ja) |
WO (1) | WO2004020928A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006040053A1 (de) * | 2004-10-07 | 2006-04-20 | Behr Gmbh & Co. Kg | Luftgekühlter abgaswärmeübertrager, insbesondere abgaskühler für kraftfahrzeuge |
JP2017026301A (ja) * | 2015-07-23 | 2017-02-02 | ホヴァル・アクティエンゲゼルシャフト | 伝熱器パイプ及び該伝熱器パイプを有する加熱ボイラ |
US20180106500A1 (en) * | 2016-10-18 | 2018-04-19 | Trane International Inc. | Enhanced Tubular Heat Exchanger |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007100673A (ja) * | 2005-10-07 | 2007-04-19 | Hino Motors Ltd | Egrクーラ |
US20070114005A1 (en) * | 2005-11-18 | 2007-05-24 | Matthias Bronold | Heat exchanger assembly for fuel cell and method of cooling outlet stream of fuel cell using the same |
US8272431B2 (en) * | 2005-12-27 | 2012-09-25 | Caterpillar Inc. | Heat exchanger using graphite foam |
US7287522B2 (en) * | 2005-12-27 | 2007-10-30 | Caterpillar Inc. | Engine system having carbon foam exhaust gas heat exchanger |
US7461639B2 (en) * | 2006-04-25 | 2008-12-09 | Gm Global Technology Operations, Inc. | Coated heat exchanger |
US8978740B2 (en) | 2006-06-22 | 2015-03-17 | Modine Manufacturing Company | Heat exchanger |
US9403204B2 (en) * | 2010-01-29 | 2016-08-02 | Modine Manufacturing Company | Heat exchanger assembly and method |
DE102006028578B4 (de) * | 2006-06-22 | 2020-03-12 | Modine Manufacturing Co. | Wärmetauscher, insbesondere Abgaswärmetauscher |
CN100565077C (zh) * | 2006-12-19 | 2009-12-02 | 北京美联桥科技发展有限公司 | 波浪形螺旋凹槽换热管及其换热器 |
US8069912B2 (en) | 2007-09-28 | 2011-12-06 | Caterpillar Inc. | Heat exchanger with conduit surrounded by metal foam |
DE102009020306A1 (de) * | 2008-05-12 | 2010-02-11 | Modine Manufacturing Co., Racine | Wärmetauscher und Verfahren zum Zusammenbau |
DE102009057232A1 (de) * | 2009-12-05 | 2011-06-09 | GM Global Technology Operations LLC, ( n. d. Ges. d. Staates Delaware ), Detroit | Rohrförmiger Wärmetauscher für Kraftfahrzeug-Klimaanlage |
EP2463490B1 (en) * | 2010-12-10 | 2015-09-09 | Perkins Engines Company Limited | Improvements in or relating to gas coolers for internal combustion engines |
DE102011002552A1 (de) * | 2011-01-12 | 2012-07-12 | Ford Global Technologies, Llc | Aufgeladene Brennkraftmaschine und Verfahren zum Betreiben einer derartigen Brennkraftmaschine |
JP5923886B2 (ja) * | 2011-07-20 | 2016-05-25 | 株式会社デンソー | 排気冷却装置 |
JP5768795B2 (ja) * | 2011-10-18 | 2015-08-26 | カルソニックカンセイ株式会社 | 排気熱交換装置 |
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CN108317018B (zh) * | 2017-12-29 | 2019-11-22 | 浙江锋锐发动机有限公司 | 气缸盖冷却装置及其制作方法以及气缸盖冷却系统 |
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- 2003-07-31 WO PCT/JP2003/009775 patent/WO2004020928A1/ja active Application Filing
- 2003-07-31 EP EP03791188A patent/EP1548386B1/en not_active Expired - Lifetime
- 2003-07-31 CN CNB038234653A patent/CN100404995C/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
DE60332369D1 (de) | 2010-06-10 |
CN100404995C (zh) | 2008-07-23 |
US7171956B2 (en) | 2007-02-06 |
US20060130818A1 (en) | 2006-06-22 |
CN1685192A (zh) | 2005-10-19 |
EP1548386A4 (en) | 2007-01-03 |
EP1548386A1 (en) | 2005-06-29 |
EP1548386B1 (en) | 2010-04-28 |
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