WO2006018953A1 - 熱交換器 - Google Patents
熱交換器 Download PDFInfo
- Publication number
- WO2006018953A1 WO2006018953A1 PCT/JP2005/013688 JP2005013688W WO2006018953A1 WO 2006018953 A1 WO2006018953 A1 WO 2006018953A1 JP 2005013688 W JP2005013688 W JP 2005013688W WO 2006018953 A1 WO2006018953 A1 WO 2006018953A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- upper edge
- casing body
- edge
- heat exchanger
- casing
- Prior art date
Links
Classifications
-
- 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
-
- 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
- F02M26/11—Manufacture or assembly of EGR systems; Materials or coatings specially adapted for EGR systems
-
- 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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1684—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits having a non-circular 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
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
-
- 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 is applicable to EGR (exhaust gas recirculation) coolers and various heat exchangers having a casing.
- a casing-type heat exchanger used as an EGR cooler has been proposed as Japanese Patent No. 3 0 2 2 9 6 3.
- this heat exchanger forms a core 5 by passing through both ends of a number of paralleled flat tubes through a header plate 3, and divides the outer periphery of the core 5 into a pair of upper and lower parts.
- the box-shaped first casing 20 and the second casing 21 are fitted and the casing seams and the like are hermetically fixed by means such as welding. Then, cooling water is circulated on one of the casing side and the header side, and exhaust gas is circulated on the other side to cool it.
- a conventional 'casing-type heat exchanger has a pair of upper and lower box-shaped casings fitted on the outer periphery of the core.
- the lower end of the upper member is fitted on the outer periphery of the tip of the lower member, and the casing is joined by welding or brazing. There is no problem when the two are joined by welding, but when this is done by brazing, a gap 22 is formed at the joint as shown in Fig. There is a risk of it happening.
- the outer surface of one of the pair of box-like casings and core parts is coated with brazing material, and the whole is brazed and fixed integrally in the furnace.
- the brazing material will be shifted to one side, and the brazing material will not penetrate into the other side, resulting in brazing. For this reason, there is a drawback that the airtightness or liquid tightness cannot be maintained.
- an object of the present invention is to provide a heat exchanger with high brazing reliability by preventing as much as possible the occurrence of a gap that tends to occur in a conventional casing. Disclosure of the invention
- the present invention according to claim 1 is a casing main body (1) which is formed into a box shape by deep drawing forming by pressing, and a corner portion of its transverse section is curved,
- An upper lid (2) which is formed in a dish shape by slightly bending the edge (2a) on the outer periphery, and closing the upper end opening of the casing body (1);
- the header plate (3) has a lower edge portion (6), a side edge portion (7), and an upper edge portion (8) bent in an inverted L-shaped cross section on the outer periphery. ) And the lower edge (6) are aligned with the inner peripheral surface of the casing body (1) and the upper edge (8) is coincident with the upper edge height of the casing body (1).
- a heat exchanger in which the upper lid (2) is fitted to the upper edge of the header plate (3) so as to be in contact with the entire length, and the contact portions of the respective parts are integrally brazed and fixed.
- the present invention as set forth in claim 2 is characterized in that, in claim 1, The header plate (3) is formed by pressing the side edges (7) and the lower edge (6) by pressing,
- the upper edge (8) is a heat exchanger whose both ends are formed by cutting and bending.
- the heat exchanger of the present invention has the above-described configuration and has the following effects.
- the heat exchanger core is incorporated in the casing and brazed together, and can be brazed between each part of the casing and the header plate of the core with high accuracy. Manufacture and assembly are easy and mass-productive.
- the outer periphery of the header plate 3 of the core 5 housed in the casing body 1 is aligned with the inner periphery of the casing body 1 except for the upper edge portion 8.
- the cross section of the portion in contact with the casing body 1 is formed at a right angle, so that the upper edge portion 8 and the upper lid 2 can contact without any gap over the entire length, Airtightness and liquid-tightness after brazing can be secured.
- the lower edge 6 and the side edge 7 of the header plate 3 are formed by pressing, and the upper edge 8 is formed by cutting and bending both ends thereof. Both end portions can be easily formed at a perfect right angle.
- the upper end edge of the header plate 3 and the casing body 1 and the upper edge portion 8 and the upper lid 2 can be brought into contact with each other completely without any gap, and the accuracy in brazing can be maintained at a higher level.
- FIG. 1 is an exploded perspective view of the heat exchanger of the present invention.
- FIG. 2 is a perspective view of the main part and a perspective view of the header blade 3.
- FIG. 3 shows an assembled state of the heat exchanger according to the present invention, and is a schematic cross-sectional view taken along arrow III-III in FIG.
- FIG. 4 is a perspective view showing another header plate 3 of the heat exchanger according to the present invention and corresponds to FIG. 2 (B). .
- FIG. 5 is an exploded perspective view of a conventional heat exchanger.
- FIG. 6 shows an assembled state of the heat exchanger
- (A) is a schematic cross-sectional view taken along the line A-A in FIG. 5, and (B) is an enlarged view of a portion B in FIG. 6 (A).
- FIG. 1 is an exploded explanatory view of a heat exchanger according to the present invention.
- (A) shows a state in which the respective main parts are separated, and
- (B) shows a state in which the core 5 is housed in the casing body 1. It is a perspective view.
- Figure 2
- FIG. 3 is an explanatory view showing the assembled state of the heat exchanger, and is a schematic cross-sectional view taken along line III in FIG.
- This heat exchanger includes a casing body 1, a core 5, and an upper lid 2.
- the casing main body 1 is deep-drawn into a box shape by pressing, and a curved portion 13 is formed at the lower edge of the side portion as shown in FIG. Further, as shown in FIG. 1, a recessed portion 17 is bent on the outer periphery of the intermediate portion of the casing body 1, and the portion protrudes relatively toward the inner surface side. Furthermore, a pair of connection holes for the first pipe 10 and the second pipe 11 are opened on both end faces and side faces in the longitudinal direction of the casing body 1, respectively.
- the core 5 is formed by laminating a number of flat tubes 4, and both ends thereof are paired to a pair.
- Fig. 2 (A) it is passed through the plater plate 3.
- the header plate 3 is provided with a lower edge portion 6 and a side edge portion 7 on its outer periphery, which are aligned with the inner periphery of the casing body 1.
- the upper edge portion 8 is formed in the plane direction of the header plate 3 as shown in FIG. 2 (B), and is folded back at 90 degrees to be formed as shown in FIG. 2 (A).
- the width of the upper edge 8 may be extended to the outer surface of the side edges 7 and folded back at 90 degrees.
- the upper edge 8 of the header plate 3 is aligned with the upper edge of the casing body 1 as shown in FIG.
- Each tube 4 is a flat tube in this example.
- the upper lid 2 has an edge portion 2 a aligned with the outer peripheral edge of the casing body 1.
- paste solder is applied between the parts that are in contact with each other, or at least one outer surface is coated with a brazing material.
- a brazing sheet in which an aluminum alloy brazing material is clad on at least one outer surface of an aluminum plate constituting each component can also be used.
- a first pipe 10 and a second pipe 11 are connected to both end openings and side opening of the casing body 1, and the core 5 is inserted into the casing body 1.
- Fig. 2 A first pipe 10 and a second pipe 11 are connected to both end openings and side opening of the casing body 1, and the core 5 is inserted into the casing body 1.
- the upper surface of the upper edge 8 and the upper edge of the side edge 7 are aligned with the upper edge of the casing body 1.
- the upper lid 2 is fitted on the casing body 1.
- the lower surface of the upper lid 2 contacts the upper edges of the upper edge 8 and the side edge 7 and the upper edge of the casing body 1.
- the heat exchanger assembled in this way is inserted into a high-temperature furnace, and the brazing material on the surface of each part is melted and then cooled and solidified to be integrally brazed and fixed as shown in FIG.
- the inner surface of the upper lid 2 and the upper edge of the casing body 1 are in close contact with each other.
- the upper surface of the upper edge 8 of the header plate 3 and the upper edge of the side edge 7 are in contact with the upper lid 2. In such a state, there is no gap between the parts. For this reason, the brazing material permeates uniformly between the header plate 3 after brazing, the upper lid 2 and the casing body 1 so that airtightness and liquid tightness can be maintained.
- the first fluid flows from one first pipe 10, passes through the tubes 4, and is guided to the other first pipe 10.
- the second fluid flows in from one second pipe 11, flows through the outer surface side of each tube 4, flows out from the other second pipe 11, and heat exchange is performed between the two fluids.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05767368A EP1795854B1 (en) | 2004-08-19 | 2005-07-20 | Heat exchanger |
US11/660,468 US7806170B2 (en) | 2004-08-19 | 2005-07-20 | Heat exchanger |
DE602005014561T DE602005014561D1 (de) | 2004-08-19 | 2005-07-20 | Wärmetauscher |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004239337A JP4602714B2 (ja) | 2004-08-19 | 2004-08-19 | 熱交換器 |
JP2004-239337 | 2004-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006018953A1 true WO2006018953A1 (ja) | 2006-02-23 |
Family
ID=35907344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/013688 WO2006018953A1 (ja) | 2004-08-19 | 2005-07-20 | 熱交換器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7806170B2 (ja) |
EP (1) | EP1795854B1 (ja) |
JP (1) | JP4602714B2 (ja) |
CN (1) | CN100510608C (ja) |
DE (1) | DE602005014561D1 (ja) |
WO (1) | WO2006018953A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936311A1 (de) * | 2006-12-23 | 2008-06-25 | Joachim Schult | Kompaktplattenwärmeübertrager |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2323919B1 (es) * | 2006-10-27 | 2010-03-17 | Valeo Termico, S.A. | Intercambiador de calor de placas apiladas y su correspondiente procedimiento de fabricacion. |
JP5107604B2 (ja) * | 2007-04-27 | 2012-12-26 | 株式会社ティラド | 熱交換器の製造方法および熱交換器 |
DE102008011557B4 (de) * | 2007-12-12 | 2010-02-25 | GEA MASCHINENKüHLTECHNIK GMBH | Abgasrückkühler für eine Verbrennungskraftmaschine |
DE102007061059A1 (de) * | 2007-12-14 | 2009-06-18 | Smk Systeme Metall Kunststoff Gmbh & Co. | Abgaskühler |
KR101151553B1 (ko) * | 2009-04-20 | 2012-06-14 | 주식회사 경동나비엔 | 열교환기에서 고정판과 유로캡을 브레이징 용접하는 방법 및 그에 따른 열교환기 |
DE102010025030B4 (de) * | 2010-04-19 | 2012-01-12 | Benteler Automobiltechnik Gmbh | Wärmetauscher für einen Verbrennungsmotor |
FR2961891B1 (fr) * | 2010-06-23 | 2012-08-03 | Aldes Aeraulique | Echangeur aeraulique a plaques alveolees |
JP2012137251A (ja) * | 2010-12-27 | 2012-07-19 | Maruyasu Industries Co Ltd | 多管式熱交換器 |
WO2012090619A1 (ja) * | 2010-12-27 | 2012-07-05 | リンナイ株式会社 | 潜熱熱交換器、及び給湯装置 |
DE102011008751A1 (de) * | 2011-01-17 | 2012-07-19 | Hubl Gmbh | Wärmetauscher |
US9714798B2 (en) * | 2011-04-07 | 2017-07-25 | Dana Canada Corporation | Heat exchanger with resiliently mounted bracket |
DE102011076800A1 (de) * | 2011-05-31 | 2012-12-06 | Behr Gmbh & Co. Kg | Wärmeübertrager |
JP5923886B2 (ja) * | 2011-07-20 | 2016-05-25 | 株式会社デンソー | 排気冷却装置 |
MX359455B (es) * | 2011-07-28 | 2018-09-28 | Nestec Sa | Metodos y dispositivos para calentar o enfriar materiales viscosos. |
JP5890136B2 (ja) * | 2011-09-27 | 2016-03-22 | 株式会社パロマ | 給湯器 |
ES2463616B1 (es) * | 2012-11-28 | 2015-03-04 | Valeo Termico Sa | Intercambiador de calor para gases, en especial de los gases de escape de un motor |
WO2014183001A2 (en) * | 2013-05-10 | 2014-11-13 | Modine Manufacturing Company | Exhaust gas heat exchanger and method |
KR101569820B1 (ko) * | 2014-05-27 | 2015-11-18 | 주식회사 코렌스 | 엔드 탱크부 일체형 바디 쉘을 갖는 egr 쿨러 |
FR3023365B1 (fr) * | 2014-07-03 | 2020-10-23 | Valeo Systemes Thermiques | Collecteur pour un faisceau d'echange d'un echangeur de chaleur |
WO2016133229A1 (ko) * | 2015-02-16 | 2016-08-25 | 주식회사 다우정밀 | 냉각수 유로형 이지알 쿨러 |
DE102015210942A1 (de) * | 2015-06-15 | 2016-12-15 | Mahle International Gmbh | Wärmeübertrager |
DE102018113341B4 (de) | 2018-06-05 | 2023-08-31 | Hanon Systems | Vorrichtungen zur Wärmeübertragung |
JP7159806B2 (ja) * | 2018-11-21 | 2022-10-25 | トヨタ自動車株式会社 | 熱交換器 |
US11846475B2 (en) * | 2019-08-26 | 2023-12-19 | Te Connectivity Solutions Gmbh | Heat exchanger for a power connector |
CN111692900B (zh) * | 2019-09-30 | 2021-08-06 | 浙江三花智能控制股份有限公司 | 一种换热器及其制造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51134257U (ja) * | 1975-04-21 | 1976-10-29 | ||
JPH0228531U (ja) * | 1988-08-17 | 1990-02-23 | ||
JP2004177058A (ja) * | 2002-11-28 | 2004-06-24 | Toyo Radiator Co Ltd | Egrクーラおよびその製造方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US3866675A (en) * | 1973-08-03 | 1975-02-18 | Modine Mfg Co | Method of making a heat exchanger and a heat exchanger |
JPS5944075B2 (ja) | 1975-05-14 | 1984-10-26 | 株式会社日立製作所 | 制御用回路 |
CA1296925C (en) | 1988-04-07 | 1992-03-10 | Patrick Bermingham | Test system for caissons and piles |
JP2812395B2 (ja) | 1989-02-15 | 1998-10-22 | 丸長水産株式会社 | 松の球果の加工方法と食用化された松の球果 |
SE9601438D0 (sv) * | 1996-04-16 | 1996-04-16 | Tetra Laval Holdings & Finance | Plattvärmeväxlare |
US6247523B1 (en) * | 1999-07-30 | 2001-06-19 | Denso Corporation | Exhaust gas heat exchanger |
JP2001174169A (ja) * | 1999-12-20 | 2001-06-29 | Denso Corp | 熱交換器 |
JP2002028775A (ja) * | 2000-05-10 | 2002-01-29 | Denso Corp | 耐腐食性熱交換器の製造方法 |
JP2002122393A (ja) * | 2000-08-09 | 2002-04-26 | Denso Corp | 積層式熱交換器 |
DE10162198A1 (de) * | 2000-12-19 | 2002-08-08 | Denso Corp | Wärmetauscher |
JP2002332920A (ja) * | 2001-05-10 | 2002-11-22 | Denso Corp | 排気熱交換装置 |
JP5250924B2 (ja) * | 2001-07-16 | 2013-07-31 | 株式会社デンソー | 排気熱交換器 |
DE10233407B4 (de) * | 2001-07-26 | 2016-02-18 | Denso Corporation | Abgaswärmeaustauscher |
JP4180830B2 (ja) * | 2002-02-05 | 2008-11-12 | カルソニックカンセイ株式会社 | 熱交換器 |
JP2004028469A (ja) * | 2002-06-26 | 2004-01-29 | Toyo Radiator Co Ltd | 熱交換器コア |
-
2004
- 2004-08-19 JP JP2004239337A patent/JP4602714B2/ja not_active Expired - Fee Related
-
2005
- 2005-07-20 CN CNB2005800281413A patent/CN100510608C/zh not_active Expired - Fee Related
- 2005-07-20 WO PCT/JP2005/013688 patent/WO2006018953A1/ja active Application Filing
- 2005-07-20 EP EP05767368A patent/EP1795854B1/en not_active Expired - Fee Related
- 2005-07-20 DE DE602005014561T patent/DE602005014561D1/de active Active
- 2005-07-20 US US11/660,468 patent/US7806170B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51134257U (ja) * | 1975-04-21 | 1976-10-29 | ||
JPH0228531U (ja) * | 1988-08-17 | 1990-02-23 | ||
JP2004177058A (ja) * | 2002-11-28 | 2004-06-24 | Toyo Radiator Co Ltd | Egrクーラおよびその製造方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1795854A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1936311A1 (de) * | 2006-12-23 | 2008-06-25 | Joachim Schult | Kompaktplattenwärmeübertrager |
Also Published As
Publication number | Publication date |
---|---|
CN101010553A (zh) | 2007-08-01 |
US7806170B2 (en) | 2010-10-05 |
EP1795854A4 (en) | 2007-12-12 |
US20070246207A1 (en) | 2007-10-25 |
JP2006057901A (ja) | 2006-03-02 |
JP4602714B2 (ja) | 2010-12-22 |
DE602005014561D1 (de) | 2009-07-02 |
CN100510608C (zh) | 2009-07-08 |
EP1795854B1 (en) | 2009-05-20 |
EP1795854A1 (en) | 2007-06-13 |
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