EP3198207A1 - Heat exchanger - Google Patents
Heat exchangerInfo
- Publication number
- EP3198207A1 EP3198207A1 EP15760456.2A EP15760456A EP3198207A1 EP 3198207 A1 EP3198207 A1 EP 3198207A1 EP 15760456 A EP15760456 A EP 15760456A EP 3198207 A1 EP3198207 A1 EP 3198207A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- longitudinal end
- heat exchanger
- middle section
- exchanger according
- side part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- 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
- F28D7/0066—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/26—Safety or protection arrangements; Arrangements for preventing malfunction for allowing differential expansion between elements
Definitions
- the present invention relates to a heat exchanger, in particular a charge air cooler or a coolant radiator, according to the preamble of claim 1.
- the invention also relates to a side part for such a heat exchanger.
- Heat exchangers usually consist of a multiplicity of pipes, in particular flat pipes with or without turbulence inserts, two floors and usually two side parts to which collecting tanks are arranged to complete a collector.
- the side parts used for this purpose are usually one-piece and usually made by a stamping or embossing process. To reduce thermally induced stresses these side parts are also either provided with local expansion sections or divided mechanically into at least two parts in a subsequent manufacturing step joining.
- a heat exchanger each with a Dehnsicke having side parts is known for example from DE 197 53 408 a1.
- a heat exchanger for heat transfer between a gaseous first fluid and a liquid second fluid having a plurality of tubes which passes through a first fluid path for guiding the first fluids extend.
- the tubes are coupled in a heat-transmitting manner to cooling fins arranged in the first fluid path and through which the first fluid can flow, and form a second fluid path for guiding the second fluid on the inside.
- the radiator block formed by the tubes and corresponding bottoms each have a side part for lateral delimitation of the first fluid path on two outer sides facing away from one another in the stacking direction.
- An increased stability of the radiator block should result from the fact that the two side parts are firmly connected to each other via at least one tie rod, which is a separate component with respect to the cooling fins and the tubes and allows a tensile force transmission in the stacking direction.
- One-piece side parts for example formed as a sheet metal stamping side parts are designed over the entire length with identical wall thickness, which may result in an unnecessarily high material usage in areas where high strength or bending stiffness is not required. This is the case in particular in a middle region, whereas in a longitudinal end region of the respective side parts an increased flexural rigidity is required.
- a stiffening therefore has to be carried out either over the entire length or the stiffening is only carried out locally and thereby leads in the non-stiffened area to an increased material waste.
- the present invention therefore deals with the problem of providing for a heat exchanger of the generic type an improved or at least one alternative embodiment, which is characterized in particular by a lighter weight and less material use in the region of the side parts.
- This problem is solved according to the invention by the subject matters of the independent claims.
- Advantageous embodiments are the subject of the dependent claims.
- the present invention is based on the general idea of forming a side part for the lateral boundary of a radiator block of a heat exchanger with regard to its bending stiffness of at least two segment parts with a different cross-sectional shape, which meet the bending stiffness requirements required there.
- the heat exchanger according to the invention which may be formed, for example, as a coolant radiator or as a charge air cooler, has in the classical manner two floors, each having passages for the longitudinal end receiving fluid-carrying pipes.
- the floors are completed laterally by side parts, which are at least partially taken up with a longitudinal end region in an end-side passage of the respective soil.
- the side parts can also be soldered or welded to the bottoms on the longitudinal end side and not be received in the passages.
- the side part now has at least two separate segment parts with a different cross-sectional shape, wherein the different cross-sectional shape at the same time also causes a different bending stiffness.
- the two end-side segment parts can be made the same and the central part has a different shape. This makes it possible to form the longitudinal end regions of the respective side part (longitudinal end segments) more rigid than a center section (middle part) arranged, for example, between the two longitudinal end regions, so that the higher bending stiffness required in the longitudinal end region is easily met, but material and thus also weight are saved in the middle section can.
- the heat exchanger according to the invention and a side part according to the invention it is thus possible, with minimal use of material, a sufficiently high rigidity, in particular bending stiffness, in the area near the ground, ie in the area of the soil, to achieve.
- the longitudinal end region of the side part is provided in the region near the bottom with a cross section with a higher bending stiffness, while the middle section arranged therebetween has a bending-softer cross-section and / or a smaller material thickness.
- the middle section can, of course, also be completely dispensed with, so that in this case a zero cross-section would be present.
- the middle section is designed as a sheet metal strip.
- the longitudinal end portions of the respective side part may for example have a U-shaped, a U-shaped, an L-shaped, a W-shaped or a one or more chambers having tubular cross-section.
- the longitudinal end sections thus formed have a significantly higher flexural rigidity than, for example, the middle section formed as a sheet-metal strip.
- Such shaped longitudinal end portions can thus easily ablate the forces occurring in this area, whereas the middle portion can not only save material, but also also be easily formed, since in this area no high rigidity or strength is required.
- a longitudinal end portion and the middle portion are materially connected to each other, for example, welded together, glued or soldered.
- a gap is provided between the middle section and a longitudinal section so that they do not touch one another. In this case, the gap would provide for the compensation of temperature-induced strains.
- the present invention is further based on the general idea to form a side part for a heat exchanger described above from at least two segment parts with different cross-sectional shape and bending stiffness, whereby the different bending stiffness requirements in a central region and in the respective longitudinal end regions of the side part can be optimally taken into account.
- the cross-sectional shape used in the longitudinal end region in this case has a high bending stiffness, whereas the center section due to the flexurally soft training and / or the lower material thickness has a lower weight and at the same time helps conserve resources.
- the thus designed side part is lighter overall, which is particularly in use in a heat exchanger of a motor vehicle of great advantage, but satisfies all Biegesteiftechniksan Kunststoffen. Another decisive advantage is lower costs with variation of the length of the side part, since only the middle section has to be changed.
- FIG. 1 shows a sectional view through a heat exchanger according to the invention
- Fig. 8 is a view of a side part with a longitudinal end segment having a first contour and a central portion with a complementary thereto formed second contour.
- a heat exchanger 1 which can be designed, for example, as a charge air cooler, has two bottoms 2, each of which has passages 3 for longitudinally receiving fluid-carrying tubes 4, for example flat tubes.
- the bottoms 2 are connected to manifolds 5 to form a collector, for example, for coolant.
- the two side parts 6 are, with a respective longitudinal end region 7, at least partially in an end-side passage 8 of the associated bottom 2
- end-side passage 8 is identical to the provided for the tubes 4 passages 3 is formed.
- the side parts 6 can be completely or partially pushed through the passages 8, but they do not have to. Alternatively, they can of course also be connected to the bottoms 2 in other ways, for example by soldering, welding, etc.
- the invention proposes that the side part 6 at least two different side part 6
- side part 6 has this total of three segment parts 9, 10, namely two identical longitudinal end segments 13 and one in between
- the central portion 14 has a lower bending stiffness and / or a smaller material thickness than the
- Lijnsendsegmente 13 and can therefore be particularly material-saving and lightweight.
- the middle section 14 can be designed, for example, as a sheet-metal strip that is simple and inexpensive to produce, whereas the longitudinal end segments 13 have, for example, a W-shaped cross section (compare FIGS. 2 and 5), a U-shaped cross section (compare FIG Wedge-shaped cross section (see Fig. 4) or one or more chambers 15 having tubular cross-section may have (see Figures 6 and 7). All shown
- Cross-sectional shape have a comparatively high bending moment.
- At least one longitudinal end segment 13 and the middle section 14 are materially bonded together, for example, welded or soldered together, or that between the center section 14 and a longitudinal end section 13, a gap 16 is provided so that they do not touch.
- the individual segment parts 9, 10 can also be arranged both overlapping and butting. However, if the two segment parts 9, Do not touch 10 and the gap 16 between two segment parts 9, 10 is greater than 0.5 mm.
- the longitudinal end segment 13 has a first contour 11 and the center section 14 has a second contour 12 formed complementary thereto. In this case, thus are the
- heat exchangers 1 with different tube lengths and identical longitudinal end segments 13 of the side parts 6 can be realized, which are only combined with differently long middle sections 14 depending on the tube length.
- the complex parts of the side part 6, i. the longitudinal end segments 13 and the segment parts 10 are always implemented with the same tool cost and high quality.
- the simple design of the center portion 14 of the material used can be minimized, in an extreme case even on the center portion 14, i. the segment part 9, can be dispensed with entirely. Due to the complex shaped longitudinal end segments 13, a high support of the tubes 4 in the ground-level region of the bottom 2 is still guaranteed.
Landscapes
- 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)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014219080 | 2014-09-22 | ||
DE102014219209.9A DE102014219209A1 (en) | 2014-09-22 | 2014-09-23 | Heat exchanger |
PCT/EP2015/070601 WO2016045969A1 (en) | 2014-09-22 | 2015-09-09 | Heat exchanger |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3198207A1 true EP3198207A1 (en) | 2017-08-02 |
EP3198207B1 EP3198207B1 (en) | 2018-07-25 |
Family
ID=55444698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15760456.2A Not-in-force EP3198207B1 (en) | 2014-09-22 | 2015-09-09 | Heat exchanger |
Country Status (7)
Country | Link |
---|---|
US (1) | US20170307298A1 (en) |
EP (1) | EP3198207B1 (en) |
JP (1) | JP2017534040A (en) |
CN (1) | CN106687759A (en) |
BR (1) | BR112017004394A2 (en) |
DE (1) | DE102014219209A1 (en) |
WO (1) | WO2016045969A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10429133B2 (en) * | 2016-08-04 | 2019-10-01 | Hanon Systems | Heat exchanger element with thermal expansion feature |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3165151A (en) * | 1962-04-09 | 1965-01-12 | Young Radiator Co | Heat-transfer trussed-radiator |
FR2224727B1 (en) * | 1973-04-04 | 1975-08-22 | Chausson Usines Sa | |
EP0102715A3 (en) * | 1982-09-03 | 1984-08-01 | Unipart Group Limited | Improvements relating to heat exchangers |
US4619313A (en) * | 1984-10-12 | 1986-10-28 | Touchstone Railway Supply & Mfg. Co., Inc. | Radiator frame unit |
GB2303437A (en) | 1995-06-12 | 1997-02-19 | Ford Motor Co | Stress relief in heat exchangers |
DE19753408B4 (en) | 1997-12-02 | 2005-08-18 | Behr Gmbh & Co. Kg | Heat exchanger for a motor vehicle |
DE102007052888A1 (en) * | 2007-11-02 | 2009-05-07 | Behr Gmbh & Co. Kg | Heat transfer radiator, for motor vehicle air conditioning, has assembled water tanks with flat tubes and stiffened side sections soldered at the narrow sides of the unit |
US9212836B2 (en) * | 2008-01-02 | 2015-12-15 | Johnson Controls Technology Company | Heat exchanger |
CA2632382A1 (en) * | 2008-05-28 | 2009-11-28 | Steve Larouche | Heat exchanger |
US20090294111A1 (en) * | 2008-05-28 | 2009-12-03 | Steve Larouche | Heat exchanger |
DE102008045225A1 (en) * | 2008-08-30 | 2010-03-04 | Modine Manufacturing Co., Racine | Heat exchanger i.e. cooling fluid cooler, for use in commercial vehicle, has side parts arranged at sides of cooling network and fastened to wave-like ribs by adhesive joint, where ends of side parts extend into recesses of collecting boxes |
CN102313480A (en) * | 2010-07-01 | 2012-01-11 | 上海双桦汽车零部件股份有限公司 | Reinforcing structure on two sides of laminated evaporator of automotive air-conditioner |
FR2977932A1 (en) * | 2011-07-12 | 2013-01-18 | Valeo Systemes Thermiques | COLLECTOR BOX, HEAT EXCHANGER AND CORRESPONDING ASSEMBLY METHOD |
GB2507495B (en) * | 2012-10-30 | 2018-07-25 | Denso Marston Ltd | A heat exchanger assembly |
DE102012223644A1 (en) | 2012-12-18 | 2014-06-18 | Behr Gmbh & Co. Kg | heat exchangers |
-
2014
- 2014-09-23 DE DE102014219209.9A patent/DE102014219209A1/en not_active Withdrawn
-
2015
- 2015-09-09 WO PCT/EP2015/070601 patent/WO2016045969A1/en active Application Filing
- 2015-09-09 CN CN201580050710.8A patent/CN106687759A/en not_active Withdrawn
- 2015-09-09 JP JP2017515890A patent/JP2017534040A/en active Pending
- 2015-09-09 BR BR112017004394A patent/BR112017004394A2/en not_active Application Discontinuation
- 2015-09-09 US US15/513,146 patent/US20170307298A1/en not_active Abandoned
- 2015-09-09 EP EP15760456.2A patent/EP3198207B1/en not_active Not-in-force
Also Published As
Publication number | Publication date |
---|---|
DE102014219209A1 (en) | 2016-03-24 |
EP3198207B1 (en) | 2018-07-25 |
JP2017534040A (en) | 2017-11-16 |
WO2016045969A1 (en) | 2016-03-31 |
CN106687759A (en) | 2017-05-17 |
US20170307298A1 (en) | 2017-10-26 |
BR112017004394A2 (en) | 2017-12-05 |
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