EP3598051A1 - Verstärkter wärmetauscher mit einem stapel aus platten - Google Patents

Verstärkter wärmetauscher mit einem stapel aus platten Download PDF

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Publication number
EP3598051A1
EP3598051A1 EP18184546.2A EP18184546A EP3598051A1 EP 3598051 A1 EP3598051 A1 EP 3598051A1 EP 18184546 A EP18184546 A EP 18184546A EP 3598051 A1 EP3598051 A1 EP 3598051A1
Authority
EP
European Patent Office
Prior art keywords
plate
heat exchanger
lower plate
plates
reinforcing inserts
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
Application number
EP18184546.2A
Other languages
English (en)
French (fr)
Other versions
EP3598051B1 (de
Inventor
M. Dario PENA
Juan LABORDA
Daniel SEBASTIAN
Pedro BRUNA
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
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Filing date
Publication date
Application filed by Valeo Termico SA filed Critical Valeo Termico SA
Priority to EP18184546.2A priority Critical patent/EP3598051B1/de
Publication of EP3598051A1 publication Critical patent/EP3598051A1/de
Application granted granted Critical
Publication of EP3598051B1 publication Critical patent/EP3598051B1/de
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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
    • 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
    • F28F2275/00—Fastening; Joining
    • F28F2275/04—Fastening; Joining by brazing
    • 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.
  • a reinforcement plate between the fixation plate and the stack of plates is also known from US2007084809-A and EP2267390-A .
  • One aspect of the invention relates to a heat exchanger comprising a stack of plates comprising a lower plate onto which the other plates are stacked, the said other plates comprising a base plate immediately adjacent to the lower plate, the heat exchanger also comprising a fixation plate, and a reinforcement plate between the fixation plate and the lower plate, wherein the heat exchanger further comprises reinforcing inserts between the base plate and the lower plate.
  • the heat exchanger may comprise one, several or any combination of the following technical features:
  • 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 2 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 fluid 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.
  • the base plates 22 have holes for the circulation of the two fluids through each base plate.
  • FIG figures 3 and 5 is shown the first base plate 22' of the stack of plates 4, starting from the side of the lower plate 20.
  • the heat exchanger comprises reinforcing inserts 23 ( Figure 2 , Figure 4 & Figure 5 ) between the lower plate 20 and the base plate 22'.
  • the reinforcing inserts 23 are frame parts, for example of rectangular cross section. Alternatively, the reinforcing inserts 23 are inserts of any adapted cross section, for example a round cross section.
  • the reinforcing inserts 23 extend internally along two corners 26 of the lower plate 20. More generally, the reinforcing inserts 23 extend along only one or more corners of the lower plate. To this end, the reinforcing inserts have an arcuate shape, more precisely a quarter circular shape. More generally, the reinforcing inserts 23 extend along between 45° and 90° of the reinforced corners, preferably 90°.
  • the reinforcing insert 23 are sandwiched between the top main planar surface 24 of the lower plate 20 and the bottom main planar surface 26 of the lower plate 22'.
  • the top surface 28 of the reinforcing inserts 23 is thus in contact with the bottom surface 26 of the lower plate 22' and the bottom surface 30 of the reinforcing inserts is in contact with the top surface 24 of the lower plate 20.
  • the reinforcing elements have a radial external surface 32 in contact with an internal surface 34 of the peripheral edge 36 of the lower plate 20.
  • each of the two reinforced corners of the lower plate 20 there is preferably only one continuous reinforcing insert 23.
  • the reinforcing inserts 23 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 insert 23. It was found a more reliable reinforcement compared to having several reinforcing inserts 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 inserts would be at proximity of the inlet & outlet for oil, and there would be no reinforcing inserts at proximity of the inlet & outlet for water & glycol based coolant.
  • the base plates 22,22' 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 20 and the upper plate having a peripheral edge 36 of an identical shape.
  • the peripheral edge 36 of each plate receives the external surface of the peripheral edge 36 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 36.
  • 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.
  • the reinforcement plate 8 shown more specifically on Figure 3 is a planar plate having a relatively high thickness.
  • the reinforcement plate 8 has fixation holes 70 in regards of corresponding fixation holes 72 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 74, or more generally positioning elements, that cooperate with corresponding positioning elements 74 of the lower plate 20.
  • the positioning elements 74 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 1 3 & 5 is intended to receive the reinforcement plate and to fasten the heat exchanger 2 to the automotive vehicle thanks to fixation holes 72 in regards of the fixation holes 70 of the reinforcement plate 8. Fixation can be done with fixation screws or any other adapted fixation insert such as bolts.
  • the fixation plate 6 has top planar surface 76 ( Figure 5 ) receiving the bottom planar surface 78 of the reinforcement plate 8, the two surfaces 76,78 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 80 ( Figures 1 & 3 ) around the reinforcement plate 8 and in contact with the external peripheral surface 62 ( Figure 4 ) of the reinforcement plate 8.
  • the peripheral edge 80 extends along substantially the whole contour of the reinforcement plate 6. In the figures, there is only one small region 82 where the peripheral edge 80 is not present, but the peripheral edge 80 is still present around at least 50% of the contour of the reinforcement plate 8.

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)
EP18184546.2A 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten Active EP3598051B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP18184546.2A EP3598051B1 (de) 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18184546.2A EP3598051B1 (de) 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten

Publications (2)

Publication Number Publication Date
EP3598051A1 true EP3598051A1 (de) 2020-01-22
EP3598051B1 EP3598051B1 (de) 2021-01-27

Family

ID=63012942

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18184546.2A Active EP3598051B1 (de) 2018-07-19 2018-07-19 Verstärkter wärmetauscher mit einem stapel aus platten

Country Status (1)

Country Link
EP (1) EP3598051B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111964495A (zh) * 2020-08-28 2020-11-20 浙江银轮机械股份有限公司 芯片、芯体及油冷器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0623798A2 (de) * 1993-05-05 1994-11-09 Behr GmbH & Co. Plattenwärmetauscher, insbesondere Öl/Kühlmittel-Kühler
US20070084809A1 (en) 2005-10-05 2007-04-19 Dana Canada Corporation Reinforcement for dish plate heat exchangers
EP2267390A2 (de) 2009-06-22 2010-12-29 Behr GmbH & Co. KG Stapelscheibenkühler

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0623798A2 (de) * 1993-05-05 1994-11-09 Behr GmbH & Co. Plattenwärmetauscher, insbesondere Öl/Kühlmittel-Kühler
US20070084809A1 (en) 2005-10-05 2007-04-19 Dana Canada Corporation Reinforcement for dish plate heat exchangers
EP2267390A2 (de) 2009-06-22 2010-12-29 Behr GmbH & Co. KG Stapelscheibenkühler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111964495A (zh) * 2020-08-28 2020-11-20 浙江银轮机械股份有限公司 芯片、芯体及油冷器

Also Published As

Publication number Publication date
EP3598051B1 (de) 2021-01-27

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