EP3598049B1 - Verstärkter wärmetauscher mit einem stapel aus platten - Google Patents

Verstärkter wärmetauscher mit einem stapel aus platten Download PDF

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Publication number
EP3598049B1
EP3598049B1 EP18184518.1A EP18184518A EP3598049B1 EP 3598049 B1 EP3598049 B1 EP 3598049B1 EP 18184518 A EP18184518 A EP 18184518A EP 3598049 B1 EP3598049 B1 EP 3598049B1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
plates
reinforcing elements
lower plate
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.)
Active
Application number
EP18184518.1A
Other languages
English (en)
French (fr)
Other versions
EP3598049A1 (de
Inventor
Dario PENA
Pedro BRUNA
Daniel SEBASTIAN
Juan LABORDA
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 Termico SA
Original Assignee
Valeo Termico SA
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 Termico SA filed Critical Valeo Termico SA
Priority to EP18184518.1A priority Critical patent/EP3598049B1/de
Priority to PCT/EP2019/068841 priority patent/WO2020016132A1/en
Priority to CN201980046694.3A priority patent/CN112805526B/zh
Priority to US17/261,096 priority patent/US20210302111A1/en
Priority to EP19740533.5A priority patent/EP3824237A1/de
Publication of EP3598049A1 publication Critical patent/EP3598049A1/de
Application granted granted Critical
Publication of EP3598049B1 publication Critical patent/EP3598049B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F28D9/0043—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 plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—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 plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • F28F9/0075—Supports for plates or plate assemblies
    • 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
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2225/00—Reinforcing means
    • F28F2225/02—Reinforcing means for casings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • heat exchangers comprising stack of plates for the circulation of two fluids alternately between the adjacent pairs of plates.
  • Such heat exchangers are used for example as oil coolers for the oil of the engine.
  • the oil and coolant circulate along respective sides of each intermediate plate of the stack of plates.
  • the heat exchanger may also comprise a fixation plate for fixation of the stack of plates into the automotive vehicle.
  • the stack of plates is for example soldered to the fixation plate which is itself fastened to the vehicle, for example with screws DE 10 2009 034752 A1 discloses a heat exchanger according to the preamble of claim 1.
  • a reinforcement plate between the fixation plate and the stack of plates is also known from US2007084809-A and EP2267390-A .
  • a first aspect of the invention relates to a heat exchanger according to claim 1.
  • the reinforcing elements thus obtained bring reinforcement while still allowing flexibility. Also, the process allows controlled position and shape of the reinforcing elements, with a reasonable cost.
  • the heat exchanger may comprise one, several or any combination of the following technical features:
  • Another aspect of the invention relates to a process for making a heat exchanger according to claim 12.
  • the process may comprise one, several or any combination of the following characteristics:
  • FIG. 1 shows a heat exchanger 2 typically used for oil cooling.
  • the heat exchanger comprises a stack of plates 4, a fixation plate 6 and a reinforcement plate 8 between the fixation plate 6 and the stack of plates 4.
  • the heat exchanger comprises a coolant inlet 10 and coolant outlet 12 going through the top end plate 14 of the stack of plates.
  • the coolant is for example a water and glycol based liquid commonly used for engine cooling.
  • an oil inlet 16 and an oil outlet 18 can also be seen through the lower plate 20 of the stack of plates 4, through the reinforcement plate 8 and through the fixation plate 6.
  • the heat exchanger is thus intended to be used as an oil cooler, for example for cooling the oil of the engine of the automotive vehicle.
  • the heat exchanger could also be used for heat exchange between other fluids, such as for example between water and glycol based liquid and a refrigerant such as for example 1234yf.
  • the stack of plates 4 of the heat exchanger is designed so that the two fluids circulate alternately between the adjacent pairs of plates. That is to say, each fluid circulates along respective sides of each intermediate plate 22 (also called “base plates") of the stack of plates 4.
  • the base plates 22 have holes for the circulation of the two fluids through each plate.
  • the reinforcement plate 8 shown more specifically on Figures 2 a 3, is a substantially planar plate having two reinforcing elements 24 around two corners 26 of the lower plate 20. These two reinforcing elements 24 shown more closely on Figure 4 are obtained by cutting and folding material from the reinforcement plate.
  • the internal surface 28 of the reinforcing elements 24 contact the external surface 30 of the peripheral edge 32 of the lower plate 20.
  • the internal surface 28 of the reinforcing elements 24 have a shape that is complementary of the shape of the external surface 30 and thus in contact along the whole corner 26.
  • the height h of the reinforcing element 24, measured from the top planar surface 34 of the fixation plate 6 is preferably at least half the height h' of the peripheral edge 32 of the lower plate 20, measured from the top main planar surface 36 of the reinforcement plate 8.
  • the cutting and folding of a reinforcing element 24 are made preferably in a single movement of a cutting dye or any other adapted tool. Alternatively though, it is possible to make it in two steps with two different tools / apparatus. All reinforcing elements 24 of the reinforcement plate 8 made by cutting and folding are preferably made in a single step.
  • reinforcing elements 24 there are reinforcing elements 24 around only two corners 26 of the lower plate 20, as can be seen on the figures.
  • the reinforcing elements 24 are in one part (or “continuous") around their respective corners 26. That is to say that each corner 26 is reinforced by only one reinforcing element. It was found a more reliable reinforcement compared to having several reinforcing elements around a specific corner.
  • the reinforced corners are the one at proximity of the holes for fluid communication 16 and 18 for oil. If the inlet and outlet of water and glycol based coolant were also designed through the reinforcement plate 8 and fixation plate 6, which is also a possible alternative, then the reinforcing elements would be at proximity of the inlet & outlet for oil, and there would be no reinforcing elements at proximity of the inlet & outlet for water & glycol based coolant.
  • the reinforcement plate 8 has fixation holes 38 in regards of corresponding fixation holes of the fixation plate 6, in order to receive for example fixation screws intended to fasten the heat exchanger into the automotive vehicle.
  • the reinforcement plate has no fixation hole and the fixation plate 6 is fastened to the automotive by holes that are external to the reinforcement plate.
  • the reinforcement plate 8 also has positioning protrusions 42, or more generally positioning elements, that cooperate with corresponding positioning elements 42 of the lower plate 20.
  • the positioning elements 42 of the lower plate 20, the reinforcement plate 8 and the fixation plate 6, are protruding plots, the protruding plots of each of the plates 20, 6 and 8 being respectively identical.
  • fixation plate 6 shown on figures 2 , 3 & 4 is intended to receive the reinforcement plate and to fasten the heat exchanger 2 to the automotive vehicle thanks to fixation holes 44 in regards of the fixation holes 38 of the reinforcement plate 8. Fixation can be done with fixation screws or any other adapted fixation element such as bolts.
  • the fixation plate 6 has a top planar surface 34 ( Figure 4 ) receiving the bottom planar surface 46 of the reinforcement plate, the two surfaces being in contact with each other.
  • the fixation plate 6 and reinforcement plate 8 could have any other adapted geometry.
  • the fixation plate 6 has a peripheral edge 48 around the reinforcement plate 8 for reinforcement of the fixation plate 6.
  • the peripheral edge 48 extends along substantially the whole contour of the reinforcement plate 6. In the figures, there are only two regions 52 where the peripheral edge 48 is not present, but the peripheral edge 48 is still present around at least 50% of the contour of the reinforcement plate 6.
  • the stack of plates 4 is made of identical base plates, an upper plate (not shown) and of the top end plate 14, as commonly known.
  • the lower plate 20 has two holes 54 & 56. There holes are inactive for the lower plate 20 because these holes do not have corresponding holes in the reinforcement plate 8 and in the fixation plate 6.
  • the lower plate 20 also has holes 58 & 60 for the circulation of oil.
  • the base plates 22 are all identical. They have holes 62 for the circulation of oil and holes 64 for the circulation of coolant.
  • each base plate is turned 180 degrees in respect of the adjacent base plates. In this way, it is not necessary to make two different kinds of plates, as commonly known.
  • a first group of base plates are intended for the circulation of oil above the base plates 22.
  • the holes 62 for the circulation of oil are in the same plane as the main planar surfaces of these plates and the holes 66 for the circulation of coolant are elevated so that they make a tight contact with the bottom planar surface of the base plate above, which is turned 180 degrees.
  • the second half of the base plates 22 of the stack of plates have holes 64 for coolant in the plane of the main planar surfaces of these base plates 22 and the holes for the circulation of oil 62 are elevated so that they make a tight contact with the bottom surface of the plates above. Coolant will circulate on the top side of this second type of base plate.
  • each base plate 22 of the stack of plates 4, the lower plate 22 and the upper plate having a peripheral edge 32 of an identical shape.
  • the peripheral edge 32 of each plate receives the external surface of the peripheral edge 32 of the plate above in a tight manner.
  • This design is also called a "tub” design wherein each tub plate receives the tub plate above in a tight manner along the peripheral edges 32.
  • the top end plate only has holes 66 & 68 for receiving the inlet & outlet of coolant.
  • the inlet & outlet of coolant could also be on the side of the fixation plate 6, in which case, there would be not circulation holes in the top end plate 14.

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)

Claims (13)

  1. Wärmeaustauscher (2), der Folgendes umfasst:
    einen Stapel aus Platten (4), umfassend eine untere Platte (20), auf der die anderen Platten (22) gestapelt sind, eine Befestigungsplatte (6) und eine Verstärkungsplatte (8) zwischen der Befestigungsplatte (6) und der unteren Platte (20), wobei die Verstärkungsplatte (8) Verstärkungselemente (24) aufweist, die aus einem Schneiden und Falten des Materials der Verstärkungsplatte (8) erhalten werden, dadurch gekennzeichnet, dass die Verstärkungselemente (24) in Kontakt mit der unteren Platte (20) sind.
  2. Wärmetauscher (2) nach Anspruch 1, wobei die Verstärkungselemente (24) nur um eine oder mehrere Ecken der unteren Platte (20) sind.
  3. Wärmetauscher (2) nach Anspruch 1 oder 2, wobei die Verstärkungselemente (24) nur um zwei Ecken der unteren Platte (20) sind.
  4. Wärmetauscher (2) nach einem der vorhergehenden Ansprüche, wobei die Verstärkungselemente (24) eine Form aufweisen, die komplementär zur Form der unteren Platte (20) ist.
  5. Wärmetauscher (2) nach einem der vorhergehenden Ansprüche, wobei die Verstärkungsplatte (8) eine im Wesentlichen planare Platte ist.
  6. Wärmetauscher (2) nach einem der vorhergehenden Ansprüche, wobei die Verstärkungsplatte (8) zwei Löcher (16, 18) für die Zirkulation von Fluid aufweist, wobei die Verstärkungselemente (24) in Nähe der zwei Löcher (16, 18) sind.
  7. Wärmetauscher (2) nach dem vorhergehenden Anspruch, wobei die untere Platte (20) entsprechende Löcher (58, 60) bezüglich der zwei Löcher (16, 18) für die Zirkulation von Fluid der Verstärkungsplatte (8) aufweist, wobei die zwei Löcher (58, 60) der unteren Platte (20) entsprechend in den zwei Ecken (26) der unteren Platte (20) sind, die durch die Verstärkungselemente (24) verstärkt werden.
  8. Wärmetauscher (2) nach einem der vorhergehenden Ansprüche, wobei die Befestigungsplatte (6) eine planare Oberfläche (34) aufweist, die die Verstärkungsplatte (8) und einen Vorsprung (48) um die Verstärkungsplatte (8) aufnimmt.
  9. Wärmetauscher (2) nach Anspruch 8, wobei der Vorsprung (48) eine periphere Kante der Befestigungsplatte (6) ist.
  10. Wärmetauscher (2) nach einem der vorhergehenden Ansprüche, wobei der Stapel von Platten (4) zwei Kreisläufe für die entsprechenden Fluide definiert, wobei die Kreisläufe so ausgelegt sind, dass die zwei Fluide alternierend zwischen den angrenzenden Paaren von Platten (22) zirkulieren.
  11. Wärmetauscher (2) nach einem der vorhergehenden Ansprüche, wobei der Wärmetauscher (2) ein Ölkühler ist.
  12. Prozess zur Fertigung eines Wärmetauschers (2), umfassend einen Stapel aus Platten (4), der eine untere Platte (20), auf der die anderen Platten (22) gestapelt sind, eine Befestigungsplatte (6) und eine Verstärkungsplatte (8) zwischen der Befestigungsplatte (6) und der unteren Platte (20) aufweist, wobei die Verstärkungsplatte (8) Verstärkungselemente (24) aufweist, die in Kontakt mit der unteren Platte (20) sind. wobei der Prozess Aktionen des Schneidens und Faltens der Verstärkungselemente (24) aus dem Material der Verstärkungsplatte (8) umfasst.
  13. Prozess nach Anspruch 12, wobei Schneiden und Falten eines Verstärkungselements (24) in einer einzelnen Bewegung eines Werkzeugs ausgeführt werden.
EP18184518.1A 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten Active EP3598049B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP18184518.1A EP3598049B1 (de) 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten
PCT/EP2019/068841 WO2020016132A1 (en) 2018-07-19 2019-07-12 Reinforced heat exchanger comprising a stack of plates
CN201980046694.3A CN112805526B (zh) 2018-07-19 2019-07-12 包括堆叠板的加强的热交换器
US17/261,096 US20210302111A1 (en) 2018-07-19 2019-07-12 Reinforced heat exchanger comprising a stack of plates
EP19740533.5A EP3824237A1 (de) 2018-07-19 2019-07-12 Verstärkter wärmetauscher mit einem stapel aus platten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18184518.1A EP3598049B1 (de) 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten

Publications (2)

Publication Number Publication Date
EP3598049A1 EP3598049A1 (de) 2020-01-22
EP3598049B1 true EP3598049B1 (de) 2022-08-10

Family

ID=63012927

Family Applications (2)

Application Number Title Priority Date Filing Date
EP18184518.1A Active EP3598049B1 (de) 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten
EP19740533.5A Withdrawn EP3824237A1 (de) 2018-07-19 2019-07-12 Verstärkter wärmetauscher mit einem stapel aus platten

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP19740533.5A Withdrawn EP3824237A1 (de) 2018-07-19 2019-07-12 Verstärkter wärmetauscher mit einem stapel aus platten

Country Status (4)

Country Link
US (1) US20210302111A1 (de)
EP (2) EP3598049B1 (de)
CN (1) CN112805526B (de)
WO (1) WO2020016132A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI100209B (fi) * 1994-09-27 1997-10-15 Hadwaco Tech Oy Lämmönvaihdin
JP2005083623A (ja) * 2003-09-05 2005-03-31 Calsonic Kansei Corp 熱交換ユニット及び積層型熱交換器
EP3276291B1 (de) 2005-10-05 2019-07-24 Dana Canada Corporation Plattenwärmetauscher mit verstärkungselement
DE102006022445A1 (de) * 2006-05-13 2007-11-15 Modine Manufacturing Co., Racine Wärmetauscher, insbesondere Ölkühler
DE102009030095A1 (de) 2009-06-22 2010-12-23 Behr Gmbh & Co. Kg Stapelscheibenkühler
DE102009034752A1 (de) * 2009-07-25 2011-02-10 Modine Europe Gmbh Wärmetauscher, beispielsweise Ölkühler
DE102014212942A1 (de) * 2014-07-03 2016-01-07 Mahle International Gmbh Stapelscheibenkühler

Also Published As

Publication number Publication date
CN112805526B (zh) 2024-03-08
US20210302111A1 (en) 2021-09-30
WO2020016132A1 (en) 2020-01-23
EP3598049A1 (de) 2020-01-22
CN112805526A (zh) 2021-05-14
EP3824237A1 (de) 2021-05-26

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