EP3519754A1 - Échangeur de chaleur à carter de faisceau à coins arrondis - Google Patents
Échangeur de chaleur à carter de faisceau à coins arrondisInfo
- Publication number
- EP3519754A1 EP3519754A1 EP17787476.5A EP17787476A EP3519754A1 EP 3519754 A1 EP3519754 A1 EP 3519754A1 EP 17787476 A EP17787476 A EP 17787476A EP 3519754 A1 EP3519754 A1 EP 3519754A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- heat exchanger
- parts
- casing
- portions
- 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
- 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
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/14—Fastening; Joining by using form fitting connection, e.g. with tongue and groove
Definitions
- the present invention relates to the technical field of motor vehicle equipment, including the air supply equipment of motor vehicle engines and more particularly to engines whose supply air comes from a compressor or a turbocharger.
- Charge air Supply air from a compressor or turbocharger is also called "charge air”.
- RAS charge air cooler
- a SAR usually has an exchange beam.
- This exchange beam comprises a stack of plates or tubes alternately forming circulation channels for the supercharged air to be cooled and channels for the circulation of heat transfer fluid, including engine coolant.
- the exchange of heat between the plates or the tubes and the air of supercharging is carried out partly by means of turbulators.
- the beam is enclosed in a receptacle or casing which generally has the shape of a straight and hollow cylinder, most often rectangle-based, connected to one of its open ends to a manifold inlet and to the other to an outlet manifold (configuration in I, that is to say that the air to be cooled follows a path in a straight line); or at one of its ends open to an inlet and outlet manifold and at the other to a deflection collector box (U-shaped configuration, that is to say that the air to be cooled follows a bent path in order to emerge substantially collinearly to its direction of entry).
- a receptacle or casing which generally has the shape of a straight and hollow cylinder, most often rectangle-based, connected to one of its open ends to a manifold inlet and to the other to an outlet manifold (configuration in I, that is to say that the air to be cooled follows a path in a straight line); or at one of its ends open to an inlet and outlet manifold and at
- the housing is generally formed of four aluminum pieces each forming one of the sides of the hollow cylinder, forming at the open ends thereof end edges.
- These aluminum parts generally have a flattened shape, giving them the form of plates. Some of the plates may feature on two of their sides outward ledges. To ensure the maintenance of the shape of the casing before brazing thereof, these four parts are provided with teeth or staples to achieve a mechanical connection including the outward edges.
- they are arranged so that at the end edges, the opposite edges of two opposite plates are abutting against the inner face of the other two plates at two of their edges that are opposite.
- a collection flange is disposed at each of the open end edges of the hollow cylinder formed by the housing to ensure the connection with the corresponding manifold.
- These collection flanges have a strip shape whose size and geometry corresponds to that of the end edges of the housing.
- the strip has square corners that the corner of the end edges of the housing can fully fill so that between the housing and the collection flange, there are holes that can not be clogged during soldering.
- these holes are responsible for air leakage thus causing pressure losses synonymous with loss of efficiency.
- teeth or staples provided on the outward edges makes it necessary to oversize the outer packaging because of the extra thicknesses induced by the teeth or the staples.
- an object of the present invention is to overcome at least one of the disadvantages of the state of the art described above, and in particular to improve the efficiency of the heat exchanger.
- the present invention provides a heat exchanger comprising:
- a beam casing defining substantially a hollow parallelepiped whose one face is open so that the four adjacent faces form an end edge bordered on the outer surface of the casing by a coupling edge, the beam casing being made at least in two parts of crankcase; characterized in that the coupling edge has rounded corners, the housing parts being arranged such that at the coupling edge, the outer surface of one substantially extends the outer surface of the other.
- the outer surface of the hollow cylinder at the corners of the coupling edge is continuous with a smooth transition between two adjacent faces removing the triple points responsible for pressure loss.
- the housing can be made in four parts of housing.
- the casing may comprise two I-casing parts and two C-casing parts.
- the heat exchanger may furthermore comprise means for holding the casing parts before brazing.
- two adjacent housing parts each comprising a connecting edge for the connection of one to the other, the connecting edges being of complementary shape
- the holding means may comprise a male part on the connecting edge one of the two housing parts and a female part on the connecting edge of the other of the two housing parts.
- Such holding means self-lock allowing the handling of the housing after assembly and before soldering.
- it is possible to reduce to a minimum the external size of the housing and therefore the heat exchanger, in fact there is no longer need for teeth, staples or folding for maintain.
- there is more material thickness on the housing It also allows the geometric simplification of the brazing chairs.
- the male part can be a merlon and the female part a niche.
- the male part may be the counterpointer of an omega capital
- the female part may be complementary
- a connecting edge may comprise one or more male parts and one or more female parts.
- the shape of each of the male parts may be chosen independently of the others between a merlon and the counterpoise of an omega capital
- the shape of each of the female parts may be chosen independently of the others between a slot and the shape complementary to counterpointer of an omega capital.
- the means holding means may comprise a U-shaped holding piece partially covering each of the two housing parts, including a portion of their connecting edges, preferably in the central portions of the connecting edges. Thanks to the U-shaped holding piece, the assembly obtained from the different parts of the housing in them is robust and stable before soldering them. Furthermore, it reinforces the brazed connection between the different parts of the casing by acting as a cladding material avoiding all the more the formation of holes suitable for air picks. Finally, it further enhances the mechanical strength of the housing by increasing it where the constraints are maximum.
- the housing may be made of four housing parts comprising two opposite I-housing parts and two opposite C-housing parts, preferably the I-housing parts are smaller than the two housing parts.
- one of the I-shaped housing parts can be a header plate and the U-shaped holding part a manifold box.
- the collector box can be an air box or a water box.
- Figure 1 is a schematic front view of an exemplary beam housing of a heat exchanger according to the invention showing an end edge of the beam housing;
- FIG. 2 is a three-quarter view of an example of a heat exchanger beam housing with holding means in the form of male and female parts on the connecting edges of the housing parts;
- Figure 3 is a three-quarter view of another example of a heat exchanger beam housing with holding means in the form of male and female parts on the connecting edges of the housing parts;
- FIG. 4 is a three-quarter view of an example of heat exchange according to the invention with a beam casing with holding means in the form of a U-shaped holding piece;
- Figure 5 is a black-and-white photograph showing an example of a housing according to the prior art generating leaks after brazing. Description of the invention
- a heat exchanger 1 according to the invention is described hereinafter with reference to FIGS. 1 to 5.
- This heat exchanger 1 comprising an exchange beam 2 and a beam housing 3 housing the exchange beam 2.
- the beam housing 3 is made at least in two housing portions 34a-34d and substantially defines a hollow parallelepiped whose one face is open (open face 31) so that the four adjacent faces 32a-32d form an end edge bordered on the outer surface of the housing by a coupling edge 33 belonging to the latter.
- This outer surface is typically composed of the faces of the housing portions 34a-34d and not the slice thereof.
- crankcase parts in the context of this specification refer to the parts that were assembled and then secured to each other to form the beam housing 3. Thus, they did not come together with one another. other.
- the beam housing 3 may also have another open face 31 opposite this first open face 31 so that the four adjacent faces 32a-32d form another end edge also bordered on the outer surface of the housing another coupling edge 33.
- the remainder of the description will only mention one open face and one coupling edge, but what is described for an open face and a coupling edge is valid for the opposite opposite face and the other coupling border.
- the beam housing 3 has a longitudinal axis which is parallel to the four adjacent faces 32a-32d.
- the coupling edge 33 has rounded corners 331 (for example in a circular arc having a radius of between 1.5 and 8 mm), and the housing parts 34 a-34 d are arranged in such a way that at the edge coupling 33, the outer surface of one substantially extends the outer surface of the other: in other words, at the connection between two housing parts 34a, 34b; 34b, 34c; 34c, 34d; 34d, 34a, the surfaces of the two parts are at the same level.
- the coupling edge 33 allows the reception of a collection flange comprising a portion of generally cylindrical hollow shape whose inner surface is complementary to that of the coupling edge 33, and in particular having rounded corners.
- the border coupling 33 is intended to be brought into contact with the inner surface of the collection flange when coupling with the latter without a hole at the corners through the rounding thereof.
- the width of the coupling edge 33 from the end edge is preferably between 1 and 10 mm, preferably between 3 and 7 mm.
- the housing portions 34a-34d are preferably metal, preferably aluminum. Also, adjacent housing portions 34a-34d are preferably brazed to each other.
- the beam casing 3 is made of four housing parts 34a-34d.
- the beam housing 3 may comprise two I-shaped housing portions opposite to each other (referenced 34b and 34d in FIGS. 1, 3 and 4; 34a and 34c in FIG. 2) and two parts of FIG. C housings opposite each other (referenced 34a and 34c in Figures 1, 3 and 4, 34b and 34d in Figure 2).
- Letters I and C refer to the shape of the cross-section of the housing parts taken in a plane perpendicular to their surfaces and intersecting all the housing parts.
- the rounded corners are present on the C-case parts.
- the beam housing 3 comprises only two housing parts (not shown in the figures), the two housing parts are parts of the C-housing.
- the corners of the parallelepiped formed by the beam housing 3 are made on the parts of housing C. Preferably the ends of the C are limited to the rounded corner.
- the heat exchanger 1 may further comprise holding means 351a, 352a; 351b, 352b; 36 before brazing the housing parts 34a-34d.
- two adjacent housing portions 34a, 34b; 34b, 34c; 34c, 34d; 34d, 34a each comprise a connecting edge 342a, 341b; 342b, 341c; 342c, 341d; 342d, 341a for the connection of one to the other, the connecting edges 342a, 341b; 342b, 341c; 342c, 341d; 342d, 341a being of complementary shape, and the holding means comprise a male portion 351a, 351b on the connecting edge of one of the two adjacent housing portions 34a, 34b; 34b, 34c; 34c, 34d; 34d, 34a and a female portion 352a, 352b on the connecting edge of the other of the two housing portions 34b, 34a; 34c, 34b; 34d, 34c; 34a, 34d.
- the male portion 351a, 351b has an outer surface that extends the outer surface of the housing portion adjacent to the connecting edge on which it is provided.
- the length of the male portion 351a, 351b is preferably between 5 and 100 mm, preferably between 5 and 15 mm.
- the width of the male portion 351a, 351b is preferably between 5 and 15 mm. Length means the dimension of the male portion 351a, 351b which is perpendicular to the connecting edge and the width of the width of the male portion 351a, 351b which is parallel to the connecting edge.
- the male portion 351a may be a merlon and the female portion 352a a slot as shown in Figure 2.
- the beam housing 3 comprises four housing portions 34a-34d including two I housing parts opposite one to the other 34a, 34c and two parts of C housing opposite to each other 34b, 34d.
- I-case parts may have on each of their connecting edges 341a, 342a, 341c, 342c three merlon-shaped male parts 351a and the C-case parts may have on each of their connecting edges 341b, 342b, 341d, 342d three female portions 352a slot-shaped.
- the invention according to this variant is not limited to the number of three male parts and three female parts, but this number can also be 1, 2, 4, 5, 6 for example or more.
- the male part 351b may be the counterpointer of an omega capital ⁇ or half of it cut along its axis of symmetry
- the female part 352b may have a complementary shape as illustrated in FIG.
- the beam housing 3 comprises four housing portions 34a-34d including two opposed C-housing portions 34a, 34c and two I-housing portions opposite one another 34b, 34d .
- the C-case parts may have on each of their connecting edges 341a, 342a, 341c, 342c a male part 351b having the shape of the counterpunch of a capital Omega ⁇ in the middle of the connecting edges 341a, 342a, 341c, 342c and two male parts 351b having the shape of the half of the omega capital ⁇ counterpoin at the ends of the connecting edges 341a, 342a, 341c, 342c.
- the I-case parts then have on each of their connecting edges 341b, 342b, 341d, 342d a female part 352b having the shape complementary to the counterpunch of a capital Omega ⁇ in the middle of the connecting edges 341b, 342b, 341d, 342d and two female portions 352b having the shape complementary to one half of the counterpart of a capital Omega ⁇ at the ends of the connecting edges 341b, 342b, 341d, 342d.
- the invention according to this variant is not limited to the number of a male-shaped counterpart of a capital Omega ⁇ and a female part having a complementary form, but this number can also be 1, 2, 4, 5, 6 for example or more.
- a connecting edge 341a-341d, 342a-342d may comprise one or more male portions 351a, 351b and / or one or more female portions 352a, 352b.
- the shape of each of the male parts 351a, 351b can be chosen independently of the others between a merlon, the counterpoinon of a capital omega and its half, and the shape of each of the female parts 352a, 352b can be chosen independently of other, but depending on the corresponding male parts 351a, 351b, between a slot, the shape complementary to the counterpoinon of a capital Omega ⁇ or that of its half.
- two adjacent housing portions 34a, 34b; 34b, 34c; 34c, 34d; 34d, 34a each comprise a connecting edge 342a, 341b; 342b, 341c; 342c, 341d; 342d, 341a for the connection of one to the other
- the holding means comprise a U-shaped holding piece 36 partially covering each of the two adjacent housing portions 34a, 34b; 34b, 34c; 34c, 34d; 34d, 34a, including a portion of their connecting edges, preferably in the central portions of the connecting edges to leave the coupling edge 33 free for connection to a collection flange to a collector box for example.
- the letter U refers to the shape of the section of the holding piece 36 on a plane parallel to a plane perpendicular to the surfaces of the housing portions 34a-34d and intersecting all the parts. 34- 34d.
- the forms C and U refer to the same type of sectional shape, but are both used in this presentation to distinguish the housing parts of the holding part.
- the U-shaped holding piece is pressed against the housing parts that it covers.
- Two U-shaped holding pieces may be provided on the same side of the parallelepiped formed by the beam housing 3.
- the connecting edges 342a, 341b; 342b, 341c; 342c, 341d; 342d, 341a are preferably straight, which facilitates their manufacture and their mutual adjustment.
- the housing 3 is made of four housing parts 34a-34d comprising two opposite I-shaped housing parts and two opposite C-shaped housing parts.
- the holding part 36 can partially cover an I-shaped housing part 34b and the two C-section housing parts 34a, 34c on the side where they are adjacent to the I-section housing part 34b partially overlapped, as illustrated in FIG. 4. More precisely, the holding piece 36 partially covers the I-casing portion 34b partially extending thereon in a first direction parallel to the connecting edges 341b, 342b of that but completely in a second direction perpendicular to the connecting edges 341b, 342b thereof.
- the holding piece 36 may alternatively partially cover a C-case portion and two I-case portions on the side where they are adjacent to the partially covered C-case portion. More specifically, the retaining piece 36 partially covers the central casing part by partially hearing thereon in a first direction parallel to the connecting edges thereof, but totally in a direction perpendicular to the connecting edges of that -this. Preferably, the holding piece extends over 70 to 95% of the housing portion in the direction parallel to its connecting edges. Similarly, the holding piece 36 extends partially on the housing parts adjacent to the central housing part in the direction parallel to their connecting edges partially in a direction perpendicular to their connecting edges, 5 and 5% of those in the direction perpendicular to the connecting edges of the adjacent housing parts.
- the I-casing portions 34b, 34d are smaller than the two C-casing portions 34a, 34c, as illustrated in FIG. 4.
- one of the I-casing portions 34b may be a header plate , in particular having openings 345, and the U-shaped holding member 36 a collecting box.
- the holding piece 36 partially covers the collector plate.
- the manifold can be an air box or a water box.
- only one of the I-casing portions 34b is a header plate, in which case two U-shaped holding pieces 36 preferably cover the I-casing portion 34b and the C-casing portions 34a, 34c of the housing. the side where these are adjacent to the part of I 34b partially covered housing, these two holding parts 36 being manifolds.
- the other I-casing part 34d is a shut-off plate, that is to say without an opening, and a holding part 36 partially covers the other part of I-casing 34d, and whose portion partially covering the other part of 34d casing in I is a simple plate.
- only one of the I-case portions 34b is a header plate, and a single U-shaped holding piece 36 preferably covers the I-piece housing portion 34b and the housing portions thereof. C 34a, 34c on the side where they are adjacent to the partly covered I-portion 34b.
- This single U-shaped holding piece 36 is a manifold with two sealed compartments with respect to each other: a heat transfer fluid inlet compartment and a heat transfer fluid outlet compartment.
- the other I-casing part 34d is a shut-off plate, that is to say without an opening, and a holding part 36 partially covers the other part of I-casing 34d, and whose portion partially covering the other part of 34d casing in I is a simple plate.
- each of the two I-casing parts is a manifold plate, in this case a U-shaped retaining piece covers each of the I-casing parts and the C-casing parts. on the side where they are adjacent to the part I of the partially covered casing, these two holding pieces being collector boxes. In this way, a circulation I is made from one of the collecting boxes to the other collecting box.
- the heat exchanger 1 can be used for any exchanger requiring a housing, in particular a high or low temperature cooling radiator, a cabin heater, a condenser, an evaporator, an air / air cooler air / air or air / water.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1659104A FR3056716B1 (fr) | 2016-09-27 | 2016-09-27 | Echangeur de chaleur a carter de faisceau a coins arrondis |
| PCT/FR2017/052607 WO2018060602A1 (fr) | 2016-09-27 | 2017-09-27 | Échangeur de chaleur à carter de faisceau à coins arrondis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3519754A1 true EP3519754A1 (fr) | 2019-08-07 |
| EP3519754B1 EP3519754B1 (fr) | 2022-05-04 |
Family
ID=57590632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP17787476.5A Active EP3519754B1 (fr) | 2016-09-27 | 2017-09-27 | Échangeur de chaleur à carter de faisceau à coins arrondis |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3519754B1 (fr) |
| CN (1) | CN109997008B (fr) |
| FR (1) | FR3056716B1 (fr) |
| WO (1) | WO2018060602A1 (fr) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102463489B1 (ko) * | 2017-12-18 | 2022-11-08 | 한온시스템 주식회사 | 열교환기 |
| 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 |
| JP7689410B2 (ja) * | 2021-09-21 | 2025-06-06 | 株式会社ティラド | 熱交換器 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182214Y (zh) * | 1994-01-06 | 1994-11-09 | 黄永清 | 组合式外墙涂装钢板 |
| JP3678159B2 (ja) * | 2001-03-23 | 2005-08-03 | 株式会社デンソー | 熱交換器 |
| JP4324925B2 (ja) * | 2004-09-28 | 2009-09-02 | 株式会社ティラド | 熱交換器 |
| WO2007009713A1 (fr) * | 2005-07-19 | 2007-01-25 | Behr Gmbh & Co. Kg | Echangeur thermique |
| CN201527610U (zh) * | 2009-07-10 | 2010-07-14 | 公信电子股份有限公司 | 精简型主机壳体结构 |
| GB2507495B (en) * | 2012-10-30 | 2018-07-25 | Denso Marston Ltd | A heat exchanger assembly |
| CN205262269U (zh) * | 2015-12-10 | 2016-05-25 | 无锡爱德旺斯科技有限公司 | Rto蓄热室保温棉新型安装结构 |
| CN205366342U (zh) * | 2016-01-06 | 2016-07-06 | 上海整合包装有限公司 | 一种可折叠保温箱 |
-
2016
- 2016-09-27 FR FR1659104A patent/FR3056716B1/fr not_active Expired - Fee Related
-
2017
- 2017-09-27 EP EP17787476.5A patent/EP3519754B1/fr active Active
- 2017-09-27 WO PCT/FR2017/052607 patent/WO2018060602A1/fr not_active Ceased
- 2017-09-27 CN CN201780059687.8A patent/CN109997008B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018060602A1 (fr) | 2018-04-05 |
| CN109997008A (zh) | 2019-07-09 |
| FR3056716B1 (fr) | 2019-07-12 |
| EP3519754B1 (fr) | 2022-05-04 |
| FR3056716A1 (fr) | 2018-03-30 |
| CN109997008B (zh) | 2021-05-28 |
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