EP2068106A1 - Wellrippen mit Kiemen für einen Wärmetauscher - Google Patents

Wellrippen mit Kiemen für einen Wärmetauscher

Info

Publication number
EP2068106A1
EP2068106A1 EP08170529A EP08170529A EP2068106A1 EP 2068106 A1 EP2068106 A1 EP 2068106A1 EP 08170529 A EP08170529 A EP 08170529A EP 08170529 A EP08170529 A EP 08170529A EP 2068106 A1 EP2068106 A1 EP 2068106A1
Authority
EP
European Patent Office
Prior art keywords
value
heat exchanger
louvers
exchanger according
louver
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.)
Withdrawn
Application number
EP08170529A
Other languages
English (en)
French (fr)
Inventor
Virginie Vincent
Etienne Chardin
Claude Besombes
Herveline Robidou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Systemes Thermiques SAS
Original Assignee
Valeo Systemes Thermiques SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valeo Systemes Thermiques SAS filed Critical Valeo Systemes Thermiques SAS
Publication of EP2068106A1 publication Critical patent/EP2068106A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F28F1/128—Fins with openings, e.g. louvered fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00—Fins
    • F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities

Definitions

  • the invention relates to heat exchangers, especially for motor vehicles.
  • a corrugated spacer for heat exchanger formed from a metal strip and comprising a set of strip-shaped flat walls, connected in pairs by folds extending parallel to each other to form alternating corrugations. and in which each of the walls has a height defined between two successive folds and is provided with a plurality of louvers made by cutting and forming the strip, the louvers having two large cut sides extending in the direction of the height of the wall and two small sides that connect to the plane of the wall.
  • corrugated inserts also called corrugated fins
  • corrugated fins are used in the manufacture of heat exchangers. They are then placed between the tubes of a bundle and secured to these tubes, usually by brazing, by their respective folds.
  • the direction of the folds of the spacers corresponds to the length of the spacers, that is to say to the depth of the beam.
  • the bundle of tubes is usually swept by air that comes to exchange the heat with another fluid, usually a coolant, which circulates in the tubes of the bundle.
  • louvers contained in the corrugated dividers have the main function of improving the heat exchange by an active mixing of the air which sweeps the beam.
  • the design of these louvers is particularly delicate because they must optimize the heat exchange, without increasing the pressure losses.
  • the classic design of the spacers is to force a flow of air through blocks of shutters.
  • the louvers are inclined with the same angle and the same geometry and they are arranged in series in groups. In each group, the louvers are parallel. An inversion of the opening angle, or angle of inclination, of the louvers is performed at each change of group of louvers.
  • the flow of air in the spacers follows a path in two dimensions.
  • the longitudinal dimension there is an air flow through the interlayer in its length.
  • the air flow is forced by the opening angles of the louvers.
  • the air then follows a path that ripples vertically due to the alternation of the angle according to groups of louvers.
  • the heat exchange is not optimized because the flow is mainly bi-directional, the zones of intense heat exchange are located essentially on the first louvers of the interlayer, and the pressure losses are significant.
  • EP 166 655 , WO 2004/102102 , US 6,170,566 , EP 1 711 769 and US 2006/0157233 relate to solutions to cause disturbances of the airflow by breaking the boundary layers that form on the louvers.
  • these solutions also have the disadvantage of increasing the pressure drop due to the passage of air in the interlayer.
  • the known solutions even if they allow in some cases to improve the heat exchange performance, generate in all cases a significant increase in the pressure drop.
  • each louver forms with the plane of the wall an evolutionary inclination angle varying monotonously from a first value ⁇ in the region of a first small side to a second value ⁇ in the region of a second small side, which allows to give the louver a generally twisted shape.
  • the angle of inclination has its vertex along a long side of the shutter. According to an alternative, the angle of inclination varies along a generatrix passing through the contact points of the shutter at the first and second short sides with the wall and is contained in the plane P.
  • generally twisted shape is meant here a twisted, non-planar shape that can evolve continuously or discontinuously and can be, for example, a helical or substantially helical shape.
  • the angle of inclination also called opening angle
  • the angle of inclination can vary continuously from the first value ⁇ to the second value ⁇ so that the louver has a continuous face.
  • this angle of inclination varies in stages from the first value ⁇ to the second value ⁇ , so that the louver has a discontinuous face formed facets angularly offset two by two.
  • the wall may comprise at least two blocks of louvers, the louvers of the same block may be identical or belong to at least two different types.
  • the invention in another aspect, relates to a heat exchanger comprising a bundle of parallel tubes and a plurality of corrugated inserts, as defined above, arranged between the tubes of the bundle and secured to the tubes by their respective folds.
  • This new spacer structure generates a three-dimensional flow of air that can generate more turbulence in the boundary layers and faster over the range of Reynolds numbers.
  • This structure directs the flow of air to the walls of the tubes to thereby improve heat transfer between the fluids, usually fresh air that scans the tubes beam and a heat transfer fluid that circulates in the tubes of the beam.
  • Air mixing is more active because of the turbulence and the direction of air towards the walls of the tubes, so that heat exchange is more efficient and more extensive over the length of the interlayer. This mixing performed near the different walls creates a disturbance and therefore a reduction of the effects of the thermal boundary layer which acts as a resistance.
  • the direction of the flow of air through the interlayer is forced by the louvers which are put in series. Since each louver has an evolutionary angle of inclination, a softer and progressive direction of air is obtained in the direction of inclination of the louvers, which makes it possible to considerably reduce the pressure drops.
  • FIG 1 represents a portion of a corrugated insert 10 according to the invention, disposed between two parallel tubes 12 belonging to a bundle of tubes of a heat exchanger.
  • the tubes 12 are "flat tubes”.
  • the corrugated insert 10 is formed from a one-piece metal strip, generally made of aluminum alloy, and comprises a set of plane walls 14 connected in pairs by folds 16 extending parallel to each other and to a direction given (perpendicular to the plane of the drawing) to form alternating undulations.
  • This beam is formed of a multiplicity of tubes 12 and a multiplicity of corrugated tabs each disposed between two successive tubes of the beam, in a manner known per se.
  • the insert 14 has a vertical axis A, which is parallel to the axial direction of the tubes 12.
  • the insert 14 has a length which extends in a direction perpendicular to the drawing and which also corresponds to the depth of the beam.
  • the flat walls 14 are parallel to each other, and the fold 16 which connects two successive walls is a "square fold" which comprises a flat bottom 20 which extends perpendicularly to the successive walls 14 and which is connected to the latter by rounding 22.
  • the spacer has a width 1 (corresponding to the width of a flat wall 14 and two folds 16) which, in the example, corresponds substantially to the distance separating the flat faces 18 vis-à-vis two tubes successive beam.
  • Each of the walls 14 is provided with a plurality of louvers 24 which have the feature of having an evolutionary inclination angle.
  • the louvers 24 can be attached by their large side 26, as seen better on the figure 2a , or, according to an alternative embodiment according to the figure 1 , the louvers 24 are attached by their small sides 30 and 32, as we see better on the figure 2b .
  • Each of the louvers 24 is made by cutting and forming the strip and has two long sides 26 and 28 which are cut into the thickness of the strip and extend in the direction of the width 1 of the wall, and two short sides 30 and 32 which are connected without cutting to the plane P of the wall 14 considered.
  • each louver 24 forms, with the plane P, an inclination angle, also called an opening angle, which varies monotonously (that is to say, always increasing or decreasingly) from a first value ⁇ in the region of a first small side (here the small side 30) up to a second value ⁇ in the region of a second small side (here the small side 32).
  • the angle of inclination has its top S along a long side of the shutter, here the long side 26.
  • the angle of inclination varies along a generatrix passing through the contact points of the shutter 24 at the first small side 30 and the second small side 32 with the wall 14 and contained in the plane P.
  • the angle of inclination varies continuously from the first value ⁇ to the second value ⁇ so that the louver has a continuous face having a generally twisted shape, and more particularly a generally helical shape.
  • the first value ⁇ and the second value ⁇ correspond to angles of inclination which extend respectively on either side of the plane P of the wall.
  • the shutter 24 comprises a neutral inclination line LN which is coplanar with the plane P of the wall and which corresponds to a zero value of the angle of inclination.
  • This line of neutral inclination is represented by a broken line on the figure 2 . It is generally parallel to the direction of the folds 16 of the strip.
  • each wall 14 of a spacer preferably comprises several blocks of louvers and the louvers of the same block may be identical to each other or different.
  • a block 34 has N louvers 24 i , namely 24 1 to 24 N.
  • the index "i" designates the sequence number of the shutter in a block. From the first louver 24 1 to the last louver 24 N , the first value of the inclination angle varies from ⁇ 1 to ⁇ N according to a chosen law, while the second value of the angle of inclination varies. from ⁇ 1 to ⁇ N according to a chosen law.
  • i denotes the order number of a louver in a block of louvers
  • N the number of shutters of the shutter block
  • ⁇ MAX the maximum value of the value ⁇
  • ⁇ MAX the maximum value of the value ⁇
  • the neutral inclination line LN ( figure 2 ) is shifted from one shutter to the other as seen on the figure 3 .
  • the neutral tilting line LN is in the region of the short side 30 and as one approaches the last louver 24 N, this line moves gradually to reach the region the second small side 32.
  • the sum of the first value ⁇ and the second value ⁇ is constant for each louver of a group of louvers.
  • this constant value is between 20 ° and 45 °.
  • FIGS 4a to 4d respectively show four different configurations of a spacer each of whose walls comprises two blocks of louvers, considering here the two successive walls 14 connected by a fold 16.
  • the four blocks are designated here by the references 34 1 , 34 2 for the wall 14 and 34 3 and 34 4 for the lower wall.
  • the blocks 34 1 to 34 4 comprise respective "valleys" 36 1 to 36 4 which extend obliquely and each of which is formed by the different lines of neutral inclination LN of the louvers of the block.
  • the valleys 36 1 and 36 2 converge on the side of the fold 16 located to the right of the figure and, likewise, the valleys 36 3 and 36 4 converge towards the same fold 16.
  • the valleys 36 1 and 36 2 are parallel to each other, as are the valleys 36 3 and 36 4 .
  • the valleys 36 1 and 36 2 are parallel to each other.
  • the valleys 36 3 and 36 4 are also parallel to each other but not parallel to the valleys 36 1 and 36 2 .
  • the spacers preferably have a square shape, as shown in FIG. figure 1 .
  • the invention is not limited to interleaves having walls parallel to each other forming square folds and it can also be applied to interleaves having different shapes, for example sinusoidal shapes or the like.
  • the walls of the strip can be parallel and connected two by two by sinusoidal folds.
  • the walls of the strip are not parallel to each other. That is to say that two successive walls form a "sinusoidal fold" which has no flat bottom.
  • each louver (as defined between the two long sides 26 and 28) will generally be between 0.8 and 1.4mm. Generally, it is preferred that this width is constant, but it is also possible to vary the width of the louvers along a spacer.
  • each louver has a continuous surface between its two ends, that is to say between its two short sides 30 and 32.
  • the interlayer can be provided with louvers with several facets as shown on the figure 5 .
  • the shutter has two facets 38 and 40 both in the shape of a right triangle which are connected along a connecting edge 42 which extends in diagonally or obliquely.
  • the shutter does not have a zero inclination angle between the first value ⁇ and the second value ⁇ .
  • the evolution of the first value ⁇ to the second value ⁇ is above and below the plane P.
  • FIG. 6 has seven distinct configurations, numbered 1, 2, 3, 4, 5, 6 and 7 from left to right.
  • configuration 1 the angle of inclination is above the plane and has its vertex oriented to the left.
  • configuration 2 the tilt angle is below the plane and has its vertex oriented to the left.
  • configuration 3 the angle of inclination is above the plane and has its vertex oriented to the right.
  • configuration 4 the tilt angle is below the plane and has its vertex oriented to the right.
  • the angle of inclination is zero.
  • the angle of inclination is on both sides of the plane in a first direction of inclination.
  • the angle of inclination is on both sides of the plane in a second direction of inclination opposite the inclination of the configuration 6.
  • either the two ends have different configurations, or the two ends have identical configurations but with different angles ( ⁇ and ⁇ ).
  • each louver varies from a first value ⁇ 1 to a second value ⁇ 1 , and this continuously, the fin having a generally helical shape.
  • louvers in the same block can belong to different types.
  • the shutters of the same block belong to two different types (louvers 24 1 and 24 2 ) and are arranged alternately.
  • the angle of inclination of a shutter 24 1 varies from a value ⁇ 1 to a value ⁇ 1 and the angle of inclination of a louver 24 2 varies from a value ⁇ 2 to a value ⁇ 2 .
  • the angles ⁇ 1 , ⁇ 2 , ⁇ 1 and ⁇ 2 are never zero.
  • louvers of the same block belong, there too, to two different types (louvers 24 1 and 24 2 ) and are arranged alternately.
  • the angles ⁇ 1 and ⁇ 2 are zero, while the angles ⁇ 1 and ⁇ 2 are equal and not zero.
  • the louvers are open face to face, the inclination angles being opposite two by two.
  • the block consists of two different types of louvers (louvers 24 1 and 24 2 ) arranged alternately.
  • the angles ⁇ 1 and ⁇ 2 are zero, while the angles ⁇ 1 and ⁇ 2 are equal and not zero.
  • the louvers of the same block belong to three different types (louvers 24 1 , 24 2 and 24 3 ). Their respective inclination angles range from a first value ⁇ 1 , ⁇ 2 , ⁇ 3 to a second value ⁇ 1 , ⁇ 2 and ⁇ 3 . These louvers are arranged repeatedly, in groups of three louvers 24 1 , 24 2 and 24 3 always in the same order.
  • the invention is not limited to the configurations of louvers or louver blocks described above, which have been given only by way of example.
  • a multiplicity of louvre arrangements are possible, each arrangement being chosen preferentially according to the desired performance and pressure drop.
  • louvers of the invention can be obtained by appropriate tools, such as for example rotating discs, ensuring the cutting and forming of louvers.
  • appropriate tools such as for example rotating discs, ensuring the cutting and forming of louvers.
  • the configuration and arrangement of the louvers has, each time, an influence on the number of different disks to achieve and their complexity.
  • the table shows the values obtained each time for the power exchanged (expressed in Watt) and the pressure drop ⁇ P (expressed in Pascal) for a laminar flow of an air flow with an upstream speed of 2 meters per second. and for a turbulent flow of air flow with an upstream speed of 5 meters per second.
  • the four interlayer configurations of the invention make it possible to reduce the pressure drop by approximately 25% compared to the conventional interlayer, the heat exchange power being approximately the same as that of the conventional interlayer.
  • the configuration of the tab of the figure 4b also allows a slight gain in thermal performance, which shows the interest of having the same orientation of louvers on all blocks.
  • the figure 13 shows the evolution of the ratio of the heat flux on the temperature difference, in W / K, as a function of the position along the interlayer for the spacers of the Figures 4a to 4d and for an interlayer with classic louvers.
  • Curve C 1 corresponds to the spacers of Figures 4a and 4b
  • the curve C 2 corresponds to the spacers of the Figures 4c and 4d
  • the curve C 3 corresponds to the conventional interlayer.
  • the curves show that the most intense heat exchanges take place on the first part of the interlayer (low values of the length of interlayer) and that the exchanges are higher than for the classic interlayer on the last three quarters of the interlayer (high values of the interlayer length).
  • the high heat exchange zones are therefore better distributed on the inserts of the invention than on the conventional interlayer.
  • the figure 14 shows the current lines obtained for a speed of 5 meters per second (turbulent regime) on the configuration of the Figure 4B , in different section planes along the Z axis. This figure makes it possible to understand where the reduction in pressure drops tab. Indeed, the entire flow is not disturbed in the same place and overall this flow is significantly less disturbed along its length than on a conventional spacer.
  • FIGS. 15a, 15b and 16 show a block of louvers in which the angle of inclination varies in stages.
  • the shutter has two facets 44 i and 46 i extending respectively on either side of the plane P of the wall and separated by a narrow strip 48 extending in the plane P.
  • the set of narrow strips 48 In an alternative embodiment (not shown), this narrow band may be omitted.
  • the Figures 15a and 15b different from each other by the embodiment of the louvers.
  • the shutters of the block of the figure 15a are made identically to the shutters of the figure 2a .
  • the blinds of the block of the figure 15b are made identically to the shutters of the figure 2b .
  • the embodiment of the figure 15b does not have a narrow band separating two successive louvers.
  • the first louver has a single facet 44 1 extending from one side of the plane P.
  • the second louver has a facet 44 2 on one side of the plane and a facet 46 2 on the other side of the plane and so to the last louver which includes a single 46 N facet that extends on the other side of the plane.
  • These facets each have a flat surface.
  • the block of louvers can thus be obtained by positive and negative cuts with a stepwise shift of the relative length of the positive cutting part (facet 44 i ) and the negative cutting part (facet 46 i ) of a shutter to the other.
  • each of the louvers 24 i has a discontinuous face consisting of a plurality of facets 50, here five in number for each louver. These facets are flat and are angularly offset from adjacent facets to form bearings or steps.
  • the corrugated louvers according to the invention find particular application in heating, ventilation and / or air conditioning of motor vehicles, in particular in the production of heat exchangers for motor vehicles incorporated in these installations.
  • These may include engine cooling radiators, cabin heater radiators, condensers, gas coolers or air conditioning system evaporators, charge air coolers, etc.
  • the tubes of the heat exchangers can be of any known type. They include bent tubes, welded, extruded, etc ... but also tubes made by assembling plates or the like.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Other Air-Conditioning Systems (AREA)
EP08170529A 2007-12-04 2008-12-02 Wellrippen mit Kiemen für einen Wärmetauscher Withdrawn EP2068106A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0708467A FR2924491B1 (fr) 2007-12-04 2007-12-04 Intercalaire ondule muni de persiennes pour echangeur de chaleur

Publications (1)

Publication Number Publication Date
EP2068106A1 true EP2068106A1 (de) 2009-06-10

Family

ID=39053264

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08170529A Withdrawn EP2068106A1 (de) 2007-12-04 2008-12-02 Wellrippen mit Kiemen für einen Wärmetauscher

Country Status (4)

Country Link
EP (1) EP2068106A1 (de)
JP (1) JP5921053B2 (de)
CN (1) CN101451792B (de)
FR (1) FR2924491B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140202674A1 (en) * 2013-01-23 2014-07-24 Denso Thermal Systems S.P.A. Fin structure for heat exchanger for automotive applications, in particular for agricultural and on-site machines

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6182429B2 (ja) * 2013-11-06 2017-08-16 株式会社ケーヒン・サーマル・テクノロジー エバポレータ
JPWO2021054173A1 (de) * 2019-09-18 2021-03-25

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159356U (de) * 1978-04-28 1979-11-07
JPS60194292A (ja) * 1984-03-13 1985-10-02 Matsushita Electric Ind Co Ltd フイン付熱交換器
EP0166655A1 (de) 1984-06-22 1986-01-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Verfahren und Vorrichtung zur Kühlung eines Pulvers mittels eines Kältefluidums
JPS62172192A (ja) * 1986-01-27 1987-07-29 Matsushita Refrig Co 熱交換器
US5311935A (en) 1992-01-17 1994-05-17 Nippondenso Co., Ltd. Corrugated fin type heat exchanger
US5669438A (en) 1996-08-30 1997-09-23 General Motors Corporation Corrugated cooling fin with louvers
US6170566B1 (en) 1999-12-22 2001-01-09 Visteon Global Technologies, Inc. High performance louvered fin for a heat exchanger
WO2003076860A1 (de) * 2002-03-09 2003-09-18 Behr Gmbh & Co. Wärmetauscher
WO2004102102A1 (en) 2003-05-19 2004-11-25 Showa Denko K.K. Heat exchanger fin, heat exchanger, condensers, and evaporators
WO2006028253A1 (ja) 2004-09-08 2006-03-16 Denso Corporation 熱交換装置
US7040386B2 (en) 2002-08-29 2006-05-09 Denso Corporation Heat exchanger
JP2006162175A (ja) 2004-12-08 2006-06-22 Calsonic Kansei Corp 熱交換器
US20060157233A1 (en) 2005-01-19 2006-07-20 Denso Corporation Heat exchanger
EP1711769A1 (de) 2004-02-05 2006-10-18 Calsonic Kansei UK Limited Wärmetauscher
US20070012430A1 (en) * 2005-07-18 2007-01-18 Duke Brian E Heat exchangers with corrugated heat exchange elements of improved strength
US20070240865A1 (en) * 2006-04-13 2007-10-18 Zhang Chao A High performance louvered fin for heat exchanger

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL271716A (de) * 1960-11-23
JPS5821784U (ja) * 1981-07-28 1983-02-10 三菱重工業株式会社 熱交換器
JPS6281877U (de) * 1985-11-06 1987-05-25
DE19719262C2 (de) * 1997-05-07 2003-01-30 Valeo Klimatech Gmbh & Co Kg Zickzacklamelle als Verrippung von Flachrohrwärmetauschern bei Kraftfahrzeugen
CN2457555Y (zh) * 2000-09-04 2001-10-31 刘德烈 强化传热的翅片管
US6786274B2 (en) * 2002-09-12 2004-09-07 York International Corporation Heat exchanger fin having canted lances

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159356U (de) * 1978-04-28 1979-11-07
JPS60194292A (ja) * 1984-03-13 1985-10-02 Matsushita Electric Ind Co Ltd フイン付熱交換器
EP0166655A1 (de) 1984-06-22 1986-01-02 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Verfahren und Vorrichtung zur Kühlung eines Pulvers mittels eines Kältefluidums
JPS62172192A (ja) * 1986-01-27 1987-07-29 Matsushita Refrig Co 熱交換器
US5311935A (en) 1992-01-17 1994-05-17 Nippondenso Co., Ltd. Corrugated fin type heat exchanger
US5669438A (en) 1996-08-30 1997-09-23 General Motors Corporation Corrugated cooling fin with louvers
US6170566B1 (en) 1999-12-22 2001-01-09 Visteon Global Technologies, Inc. High performance louvered fin for a heat exchanger
WO2003076860A1 (de) * 2002-03-09 2003-09-18 Behr Gmbh & Co. Wärmetauscher
US7040386B2 (en) 2002-08-29 2006-05-09 Denso Corporation Heat exchanger
WO2004102102A1 (en) 2003-05-19 2004-11-25 Showa Denko K.K. Heat exchanger fin, heat exchanger, condensers, and evaporators
EP1711769A1 (de) 2004-02-05 2006-10-18 Calsonic Kansei UK Limited Wärmetauscher
WO2006028253A1 (ja) 2004-09-08 2006-03-16 Denso Corporation 熱交換装置
JP2006162175A (ja) 2004-12-08 2006-06-22 Calsonic Kansei Corp 熱交換器
US20060157233A1 (en) 2005-01-19 2006-07-20 Denso Corporation Heat exchanger
US20070012430A1 (en) * 2005-07-18 2007-01-18 Duke Brian E Heat exchangers with corrugated heat exchange elements of improved strength
US20070240865A1 (en) * 2006-04-13 2007-10-18 Zhang Chao A High performance louvered fin for heat exchanger

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140202674A1 (en) * 2013-01-23 2014-07-24 Denso Thermal Systems S.P.A. Fin structure for heat exchanger for automotive applications, in particular for agricultural and on-site machines
ITTO20130055A1 (it) * 2013-01-23 2014-07-24 Denso Thermal Systems Spa Struttura di aletta per scambiatore di calore per applicazioni automotive, in particolare per macchine agricole e da cantiere.
EP2759797A1 (de) * 2013-01-23 2014-07-30 DENSO THERMAL SYSTEMS S.p.A. Rippenstruktur für Wärmetauscher für Automobilanwendungen, insbesondere für Landwirtschafts- und Baumaschinen
US9835387B2 (en) 2013-01-23 2017-12-05 Denso Thermal Systems S.P.A. Fin structure for heat exchanger for automotive applications, in particular for agricultural and on-site machines

Also Published As

Publication number Publication date
JP5921053B2 (ja) 2016-05-24
FR2924491B1 (fr) 2009-12-18
CN101451792A (zh) 2009-06-10
CN101451792B (zh) 2012-11-14
JP2009139085A (ja) 2009-06-25
FR2924491A1 (fr) 2009-06-05

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