EP3517879B1 - Plaque d'alimentation pour échangeur thermique - Google Patents

Plaque d'alimentation pour échangeur thermique Download PDF

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Publication number
EP3517879B1
EP3517879B1 EP18153416.5A EP18153416A EP3517879B1 EP 3517879 B1 EP3517879 B1 EP 3517879B1 EP 18153416 A EP18153416 A EP 18153416A EP 3517879 B1 EP3517879 B1 EP 3517879B1
Authority
EP
European Patent Office
Prior art keywords
holes
feeding plate
plate
manifold
heat exchanger
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
EP18153416.5A
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German (de)
English (en)
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EP3517879A1 (fr
Inventor
Jan Forst
Martin Krajnak
Jakub JIRSA
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 Vymeniky Tepla sro
Original Assignee
Valeo Vymeniky Tepla sro
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Application filed by Valeo Vymeniky Tepla sro filed Critical Valeo Vymeniky Tepla sro
Priority to EP18153416.5A priority Critical patent/EP3517879B1/fr
Priority to PCT/EP2019/051834 priority patent/WO2019145466A1/fr
Publication of EP3517879A1 publication Critical patent/EP3517879A1/fr
Application granted granted Critical
Publication of EP3517879B1 publication Critical patent/EP3517879B1/fr
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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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0221—Header boxes or end plates formed by stacked elements
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers

Definitions

  • the present invention relates to heat exchangers, especially heat exchangers used in air conditioning systems for automotive vehicle. More particularly, the present invention relates to a feeding plate used for such heat exchanger. It also deals with manifold using such feeding plate, and heat exchanger using said manifold.
  • Heat exchangers interact with a coolant circulation loop in order to generate heat exchange between said coolant and the outside air of the motor vehicle directed to pass through these heat exchangers.
  • heat exchanger may be found inside an Heating Ventilation and Air Conditioning unit (HVAC) of automotive vehicles.
  • the coolant may be a gaseous fluid such as an intake air flow for an internal combustion engine, or preferentially a coolant fluid or a refrigerant fluid.
  • heat exchangers are conventionally arranged on the front face of motor vehicles in order to capture the outside fresh air, ahead of the engine placed in its compartment of the motor vehicle.
  • These heat exchangers may consist of radiators, condensers or supercharged air coolers.
  • These heat exchangers may consist of radiators, condensers or supercharged air coolers.
  • several cylindrical tubes are stacked on top of each other with heat dissipating elements arranged in-between.
  • the coolant circulates inside the tubes thanks to manifolds located at their ends in order to feed tubes with coolant. While circulating inside tubes, the coolant transfers calories with the outside air which passes through the dissipating elements of the heat exchanger.
  • the coolant flows into the intake manifold by its longitudinal end.
  • the intake manifold is in communication with the heat exchanger tubes, the coolant is thus orientated with said tubes.
  • the efficiency of such heat exchangers is too low, as the coolant temperature distribution is too high between the two longitudinal ends of said heat exchangers.
  • US 2006/236718 A1 discloses a feeding plate according to the preamble of claim 1.
  • the invention aims at providing a new feeding plate in order to solve at least one of the foregoing problems and to further carry out other advantages.
  • Another object of the invention is to optimize the coolant flow inside a heat exchanger manifold.
  • Another object of the invention is to increase the heat exchanger efficiency, by optimizing heat transfer between coolant flowing along the heat exchanger and the air flow that circulates around said heat exchanger.
  • At least one of the aforementioned goals is achieved with a feeding plate for a heat exchanger manifold, according to claim 1.
  • the feeding plate according to the first aspect of the invention thus comprises a plurality of holes longitudinally arranged between a first and a second end of said feeding plate. At least a part of the holes is configured, with respect to its dimensions and/or its shape, in particular, to allow substantially constant flow rate for each of said holes of at least a portion of the corresponding set.
  • the feeding plate according to the first aspect of the invention comprises the following improvements:
  • a manifold for heat exchanger is provided.
  • the manifold according to the second aspect of the invention comprises:
  • the feeding plate according to the first aspect of the invention takes place inside the heat exchanger manifold, between the header box and the cover plate.
  • the feeding plate regulate the coolant flow inside the manifold and inside the heat exchanger tubes that are intended to be connected with said manifold.
  • This advantageous configuration allows a static regulation of the coolant that flows inside the manifold, through the feeding plate.
  • the manifold according to the second aspect of the invention can advantageously comprise at least one of the following improvements, the technical features of each improvement being able to be taken either alone or in combination with another:
  • a heat exchanger comprising:
  • the heat exchanger according to the third aspect of the invention provide a more efficient heat transfer between the coolant flowing into its tubes and the ambient air that flows around said tubes, thanks to the coolant flow rate regulation provided by the feeding plate.
  • the manifold according to the second aspect of the invention or anyone of its embodiments may be an inner manifold for the heat exchanger.
  • FIGURE 1A a feeding plate 100 for a heat exchanger manifold and according to the first aspect of the invention will be described hereafter.
  • the feeding plate 100 has a rectangular shape, elongating along a longitudinal axis L1 and a lateral axis L2.
  • the feeding plate 100 is bounded with two longitudinal ends 101, 103; along the lateral axis L2, the feeding plate 100 is bounded with two lateral ends 102, 104.
  • the feeding plate 100 has a thickness that is far thinner than the longitudinal and/or lateral dimensions of said feeding plate.
  • the feeding plate is advantageously made with metal, or with plastic. It can be produced thanks to a stamping process, especially when said feeding plate 100 is in metal, or through a moulding process, especially when said feeding plate 100 is in plastic.
  • said feeding plate 100 comprises two lugs 150, each lug 150 being located onto a longitudinal edge of the feeding plate 100. More precisely, the lugs 150 are located at a same longitudinal position of the feeding plate 100.
  • the feeding plate 100 is suitable for controlling a coolant flow rate that is introduced into tubes of the heat exchanger.
  • the feeding plate 100 has at least one set 130a, 130b of holes 131, 132, 133, each set 130a, 130b of holes 131-133 being distributed along the longitudinal axis L1.
  • holes 131-133 are configured for providing a constant coolant flow rate through said holes 131-133 and along at least a part of the longitudinal axis L1.
  • holes 131-133 of each set 130a, 130b are configured in order to provide, for each hole 131-133 of said part of the holes, a coolant flow rate distribution lower than 10% through said hole 131-133 and along at least one part of the longitudinal axis L1 of the feeding plate 100.
  • the coolant flow rate distribution is equal to 2%.
  • the feeding plate 100 has several parts, each part having holes 131-133 with different size and/or shape and/or area.
  • the feeding plate 100 comprises:
  • the section 122 comprises a first part 122a along which the holes area increases linearly, and a second part 122b along which the holes area increases parabolically.
  • the first part 122a of the section 122 extends through at least two third of the feeding plate 100, a surface along which the second part 122b extends being the half of a surface a surface along which the first part 122a extends.
  • the first part 122a of the section 122 is located closed to a first longitudinal end of the feeding plate 100 from which coolant flows inside said feeding plate 100. In other words, hole areas are smaller closer to the longitudinal side from which the feeding plate collaborate with an inlet of the heat exchanger manifold.
  • the second part 122b of the section 122 is located adjacently to the first part, regarding to the longitudinal axis L1, and closed to a second longitudinal end of the feeding plate 100, opposite from the first longitudinal end. This configuration allows to better regulate the coolant flow rate that flows through the feeding plate 100 and to the heat exchanger tubes.
  • the holes 131, 132 located onto the first part 122a of each set 130a, 130b are circular, and the holes 131, 132 located onto the second part 122b of each set 130a, 130b are elliptical or oblong.
  • Each hole 131-133 of each set 130a, 130b and of each portion 121 and each section 122 are regularly spaced, a pitch between two adjacent holes 131-133 of one set 130a, 130b being constant over the corresponding portion 121 and the corresponding section 122.
  • the area of holes 131-133 located onto the portion 121 is different from the area of holes 131-133 located onto the section 122 of said corresponding set 130a, 130b, and more precisely, the area of holes 131-133 located onto the portion 121 is smaller than each area of the holes 131-133 located onto the section 122 of said corresponding set 130a, 130b.
  • the feeding plate 100 comprises two sets 130a, 130b of holes 131-133, as described therebefore. Both sets 130a, 130b are located at a lateral edge of said feeding plate. Each set 130a, 130b is laterally located from the other one. More precisely, all the sets 130a, 130b of the feeding plate 100 are located at a same lateral edge of said feeding plate 100, and regarding to a median longitudinal axis L1 of the feeding plate 100.
  • Pair of holes 131-133 taken respectively on each sets 130a, 130b of the feeding plate 100, at the same longitudinal position of said feeding plate 100, are intended to collaborate with one same tube of the heat exchanger. Consecutively, each corresponding hole 131-133 of each set 130a, 130b of the feeding plate 100 are aligned along the lateral axis L2, and a distance between two adjacent holes 131-133 is the same for both sets 130a, 130b of the feeding plate 100.
  • each holes of the feeding plate 100 is intended to contribute to output coolant from the manifold with whom it collaborate.
  • the feeding plate 100 comprises at least one input opening 110a, 110b. More precisely, the feeding plate 100 comprise a number of input opening 110a, 110b that is equal to a number of sets 130a, 130b, the number being equal to 2 onto the example illustrated in FIGURE 1A .
  • Each input opening 110a, 110b has an oblong shape that extends longitudinally. Input openings both have the same dimensions and/or the same area and/or the same shape.
  • said feeding plate 100 comprises at least one opening 140a, 140b that extends longitudinally from one longitudinal end to one another end of the feeding plate 100.
  • the feeding plate 100 comprises a number of openings 140a, 140b that is equal to the number of sets 130a, 130b, this number being equal to 2 for example.
  • Each opening 140a, 140b is bounded by material constitutive of the feeding plate that is shaped as a closed line: in FIGURE 1A , each opening 140a, 140b has an oblong shape that extends along the longitudinal axis L1.
  • the openings 140a, 140b are located on another lateral edge of the feeding plate 100 regarding the lateral edge on which said feeding plate 100 comprises its sets 130a, 130b of holes 131-133.
  • FIGURE 1B a second example of the feeding plate 100 according to the first aspect of the invention will be described.
  • the feeding plate 100 illustrated in FIGURE 1B will be described only through its differences regarding the feeding plate illustrated in FIGURE 1A , as its main structural features remain valid for the feeding plate illustrated in FIGURE 1B , and as those differences only deal with (i) the characteristics configured for outputting the coolant from the feeding plate and/or the manifold and/or the heat exchanger, and (ii), some longitudinal aperture that will be described hereafter.
  • the feeding plate 100 illustrated in FIGURE 1B comprises a plurality of lateral openings 145, instead of the openings 140 that can be seen in FIGURE 1A .
  • Each lateral opening 145 has an oblong shape elongating along the lateral axis L2.
  • the feeding plate 100 illustrated in FIGURE 1B comprises as many lateral openings 145 as holes 131, 132, 133 for feeding the heat exchanger, preferably suitable to be aligned with tubes of the heat exchanger.
  • Every lateral opening 145 may be aligned with a hole 131-133 of the set 130a, 130b of holes, regarding the longitudinal axis L1.
  • a longitudinal pitch between two adjacent lateral opening 145 is constant.
  • the longitudinal distance between two adjacent lateral opening 145 is constant.
  • the feeding plate 100 illustrated in FIGURE 1B comprises two output openings 146a, 146b.
  • the output openings 146a, 146b are located at one longitudinal end of the feeding plate 100, advantageously the same longitudinal end than the input openings 110a, 110b.
  • Each output opening 146a, 146b has an oblong shape that extends longitudinally. Output openings both have the same dimensions and/or the same area and/or the same shape.
  • Output openings 146a, 146b have the same shape and/or dimension and/or area tan the input openings 110a, 110b.
  • the feeding plate 100 illustrated in FIGURE 1B comprises many longitudinal apertures 147a-147d located along a central longitudinal axis L1, regarding the lateral axis L2.
  • a first longitudinal aperture 147a is located at one longitudinal end of the feeding plate 100, on the side of the output 147 and input 110 apertures.
  • the first longitudinal aperture 147a roughly extends along the portion 121 of the feeding plate 100, as described therebefore regarding FIGURE 1A .
  • a second longitudinal aperture 147b is located adjacently to the first longitudinal aperture 147a, regarding the longitudinal axis L1.
  • the second longitudinal aperture 147b roughly extends along the first part 122a of the portion 122 of the feeding plate 100, as described therebefore regarding FIGURE 1A .
  • a third longitudinal aperture 147c is located adjacently to the second longitudinal aperture 147b, regarding the longitudinal axis L1.
  • the third longitudinal aperture 147c roughly extends along the second part 122b of the portion 122 of the feeding plate 100, as described therebefore regarding FIGURE 1A .
  • a fourth longitudinal aperture 147d is located at one another longitudinal end of the feeding plate 100, in regard to the longitudinal end along which the first longitudinal aperture is located.
  • the fourth longitudinal aperture 147d roughly extends along the two or three last holes 132 of the second part 122b of the portion 122, regarding the longitudinal axis L1 and as the second part 122b and the portion 122 being described therebefore regarding FIGURE 1A .
  • every longitudinal apertures 147a-147d are identical.
  • FIGURE 1C a third example of the feeding plate 100 according to the first aspect of the invention will be described.
  • the feeding plate 100 illustrated in FIGURE 1C will be described only through its differences regarding the feeding plate illustrated in FIGURE 1A , as its main structural features remain valid for the feeding plate illustrated in FIGURE 1C , and as those differences only deal with diameters and/or shape and/or area of holes of the at least one set of holes that is configured for feeding the manifold and/or the heat exchanger with coolant.
  • the feeding plate 100 comprise two set 130a, 130b of holes 131, and each set 130 comprises at three sections 122c, 122d, 122e distributed along the longitudinal axis L1, all the holes 131 of each said sections 122c-122e having the same hole diameter and/or the same area and/or the same shape. Moreover, the hole diameters of each section 122c-122e are different from the ones of other sections :
  • the three sections 122c-122d are located within the first half of the feeding plate 100, according to the longitudinal axis L1, and on the side of the input 110 and output 146 openings.
  • hole diameter of every holes 131 located on the sections 122c-122e of the first half of said feeding plate 100 are advantageously increasing from one said section 122c-122e to an adjacent another said section 122c-122e along the longitudinal axis L1.
  • the diameter of holes 131 located onto the first section 122c that is located close to the input openings 110 the diameter of holes 131 located onto the second section 122d that is adjacent to the first section 122c located close to the input openings 110 ; and the diameter of holes 131 located onto the second section 122c that is adjacent to the first section 122c located close to the input openings 110 is smaller than the diameter of holes 131 located onto the third section 122e that is located close to the lateral axis L2 as illustrated onto FIGURE 1C .
  • the feeding plate 100 also comprises one more section 122f located onto the second half of said feeding plate 100, adjacently to the third section 122e as described previously, every holes of said one more section 122f having the same diameter and/or shape and/or area.
  • the diameter of every holes of the one more section 122f located on the second half of the feeding plate 100 is greater than the diameter of holes of each sections 122c-122e located onto the first half of the feeding plate 100.
  • the manifold 10 is an intake manifold 10.
  • the manifold 10 illustrated in FIGURE 2 comprises:
  • the header box extends along the longitudinal axis L1 with a U shape in a cross section.
  • the header box 500 comprises a rectangular plate 560 with many openings 550a, 550b for connecting each tube of the heat exchanger. More precisely, each opening 550a, 550b of the header box 500 is suitable for at least fluidly connecting and/or mechanically coupling one tube of the heat exchanger, an end of each tube being able to be inserted through the corresponding opening 550a; 550b of said header box 500. To this purpose, each opening 550a, 550b of the header box 500 extends laterally along the lateral axis L2, with an oblong shape.
  • the header box 500 comprises a plurality of openings 550a, 550b that are regularly spaced along the longitudinal axis L1.
  • the header box 500 advantageously comprises 2 sets of openings 550a, 550b.
  • One first set of openings 550a is suitable for feeding tubes with coolant that flows from the feeding plate 100 into the corresponding tube; and a second set of opening 550b is suitable for collecting coolant that flows from the tube into the manifold 10.
  • the rectangular plate 560 is laterally bounded with two lateral edges 530, 540, each lateral edge 530, 540 having a slot 560 for inserting each lateral lug 150 of the feeding plate 100.
  • the header box 500 comprises an inlet 510 and an outlet 520 that is located on a lateral side of said inlet 510 regarding the lateral axis L2.
  • the inlet is suitable for connecting said manifold 10 to a coolant circuit in order to drive said coolant from the coolant circuit into the manifold 10 and/or to the heat exchanger.
  • the outlet 520 is suitable for connecting said manifold 10 to the coolant circuit in order to flow said coolant from the manifold 10 to the coolant circuit.
  • the header box 500 also comprises an inlet opening 515 that is situated at one longitudinal end of the rectangular plate 560, closed to the inlet 510, and the header box 500 also comprises an outlet opening 525 that is situated laterally to the inlet opening 515.
  • the distribution plate 200 as a rectangular shape.
  • the distribution plate 200 is configured to be inserted inside the header box 500, between the two lateral edges 530, 540.
  • the distribution plate 200 comprises a plurality of openings 250a, 250b that are longitudinally aligned with the corresponding holes t1-133 of the feeding plate 100 and also with the openings 550a, 550b of the header box 500.
  • the distribution plate 200 facilitates the entrance of coolant inside heat exchanger tubes, by providing space between the tube ends that are inserted through the openings 550a, 550b of the header box 500 and a lower face of the feeding plate 100.
  • the distribution plate 200 also comprises two inlet openings 210 that are situated at one longitudinal end of said distribution plate 200 and in order to be vertically aligned with the inlet opening 515 of the header box 500, such as a fluidic communication is possible between the header box 500 inlet opening 515 and the distribution plate 200 inlet openings 210.
  • the distribution plate 200 also comprises two outlet openings 220 that are situated at the same longitudinal end of said distribution plate 200 than its inlet openings 210.
  • the outlet openings 220 are suitable for being vertically aligned with the outlet opening 525 of the header box 500, such as a fluidic communication is possible between the header box 500 outlet opening 515 and the distribution plate 200 outlet openings 220.
  • the outlet openings 220 of the distribution plate200 are located laterally to its inlet openings 210.
  • the feeding plate 100 is located onto the distribution plate 200, and holes 131-133 of the feeding plate 100 are longitudinally aligned with the header box 500 openings 550a, 550b and also with the distribution plate 200 openings 250a, 250b in order to allow coolant to flow throw the manifold 10 into the heat exchanger tubes.
  • the intermediate plate 300 as a rectangular shape.
  • the intermediate plate 300 is configured to be associated with the feeding plate 100, said intermediate plate 300 being inserted between said feeding plate 100 and the manifold 10 cover plate 400.
  • the lateral dimensions of the feeding plate 100, the distribution plate 200 and the intermediate plate 300 are likely the same.
  • the longitudinal dimensions of the feeding plate 100, the distribution plate 200 and the intermediate plate 300 are likely the same.
  • the thickness of the distribution plate 200 and the intermediate plate 300 is likely the same, while the feeding plate 100 is thinner than both the distribution plate 200 and the intermediate plate 300.
  • the intermediate plate 300 illustrated in FIGURE 2 comprises four longitudinal openings 330a, 330b, 340a, 340b that extend between one end and another end of said intermediate plate 300. More precisely, the intermediate plate 300 comprises two longitudinal feeding openings 330a, 330b that allows coolant to flow through the manifold 10 to the heat exchanger tubes. Those longitudinal feeding openings 330a, 330b are vertically aligned with the feeding plate 100 sets 130a, 130b of holes 131-133, such as a fluidic communication is possible between said longitudinal feeding openings 330a, 330b and said feeding plate 100 sets 130a, 130b of holes 131-133.
  • the intermediate plate 300 also comprises two longitudinal collecting openings 340a, 340b that allows coolant to flow from the heat exchanger tubes into the manifold 10 and in direction of manifold 10 outlet 520.
  • Those longitudinal collecting openings 340a, 340b are vertically aligned with the feeding plate 100 openings 140a, 140b, such as a fluidic communication is possible between said feeding plate 100 openings 140a, 140b and said longitudinal collecting openings 340a, 340b.
  • Each longitudinal openings 330a, 330b, 340a, 340b of the intermediate plate 300 has an oblong shape, as it extends along the longitudinal axis L1 of the manifold 10.
  • the intermediate plate 300 is located between the feeding plate 100 and the cover plate 400.
  • the cover plate 400 has a widely rectangular shape and comprises four longitudinal channels 410 that extends from one longitudinal end to the other in order to make it possible the coolant to flow through the longitudinal axis and into the heat exchanger tubes.
  • the heat exchanger 1 comprises:
  • the invention relates in particular to a feeding plate 100 that is suitable for regulating the coolant flow rate that goes through said feeding plate 100, regarding its longitudinal axis L1. More precisely, said feeding plate 100 comprises at least one set 130a, 130b of holes 131-133 that are longitudinally arranged along the feeding plate 100. The area of each hole 131-133 is increasing regarding the longitudinal axis L1, each hole's area getting greater while the distance between said hole 131-133 and an input opening 110 is getting larger.
  • the invention is also dedicated to a manifold 10 comprising such feeding plate 100, and a heat exchanger 1 that includes such manifold 10.

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  • 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 (10)

  1. Plaque (100) d'alimentation pour une tubulure (10) d'échangeur thermique (1), ladite plaque (100) d'alimentation s'allongeant suivant un axe longitudinal (L1) et présentant au moins un ensemble (130a, 130b) de trous (131-133) servant à alimenter l'échangeur thermique (1) en fluide de refroidissement, chaque ensemble (130a, 130b) de trous (131-133) étant réparti suivant ledit axe longitudinal (L1), les trous (131-133) étant configurés pour fournir un débit constant de fluide de refroidissement à travers lesdits trous (131-133) et le long d'au moins une partie de l'axe longitudinal (L1), au moins une partie des trous (131-133) de chaque ensemble (130a, 130b) présentant des aires différentes par rapport aux autres trous (131-133) dudit ensemble (130a, 130b), chaque ensemble (130a, 130b) de trous (131-133) comportant une section (122) le long de laquelle l'aire des trous (131-133) augmente de façon monotone suivant l'axe longitudinal (L1), caractérisé en ce que la section (122) comporte une première partie (122a) le long de laquelle l'aire des trous (131-133) augmente linéairement et une seconde partie (122b) le long de laquelle l'aire des trous (131-133) augmente paraboliquement, la première partie (122a) de la section (122) s'étendant sur au moins deux tiers de ladite plaque (100) d'alimentation, les trous (131-133) situés sur la première partie (122a) de la section (122) de chaque ensemble étant circulaires, et/ou les trous (131-133) situés sur la seconde partie (122b) de ladite section (122) étant elliptiques ou oblongs.
  2. Plaque (100) d'alimentation selon la revendication 1, chaque trou (131-133) de chaque ensemble (130a, 130b) de trous (131-133) étant espacé régulièrement, un pas entre deux trous (131-133) adjacents d'un ensemble (130a, 130b) étant constant.
  3. Plaque (100) d'alimentation selon l'une quelconque des revendications précédentes, chaque ensemble (130a, 130b) de trous (131-133) comportant une partie (121) le long de laquelle les trous (131-133) ont tous la même aire.
  4. Plaque (100) d'alimentation selon la revendication 3, pour chaque ensemble (130a, 130b) de trous, l'aire des trous (131-133) situés sur la partie (121) étant différente de l'aire des trous (131-133) situés sur la section (122) dudit ensemble (130a, 130b) correspondant.
  5. Plaque (100) d'alimentation selon la revendication 4, l'aire des trous (131-133) situés sur la partie (121) étant plus petite que chaque aire des trous (131-133) situés sur la section (122) dudit ensemble (130a, 130b) correspondant de trous (131-133).
  6. Plaque (100) d'alimentation selon l'une quelconque des revendications 3 à 5, la partie (121) de chaque ensemble (130a, 130b) de trous (131-133) étant située à une extrémité longitudinale de la plaque (100) d'alimentation et la section (122) dudit ensemble (130a, 130b) correspondant étant située à une seconde extrémité longitudinale de la plaque (100) d'alimentation.
  7. Plaque (100) d'alimentation selon l'une quelconque des revendications précédentes, l'ensemble ou les ensembles (130a, 130b) de trous (131-133) étant situés à un bord latéral de ladite plaque (100) d'alimentation.
  8. Plaque (100) d'alimentation selon l'une quelconque des revendications précédentes, ladite plaque (100) d'alimentation comportant au moins deux ensembles (130a, 130b) de trous (131-133) servant à alimenter l'échangeur thermique (1) en fluide de refroidissement.
  9. Tubulure (10) pour échangeur thermique (1), ladite tubulure (10) comportant :
    - un caisson répartiteur (500) destiné à être raccordé à une pluralité de tubes (20) de l'échangeur thermique (1), chaque tube (20) étant raccordé à travers une ouverture (550a, 550b) dudit caisson répartiteur (500) ;
    - la plaque (100) d'alimentation selon l'une quelconque des revendications précédentes, les trous (131-133) de ladite plaque (100) d'alimentation étant longitudinalement alignés avec les ouvertures (550a, 550b) du caisson répartiteur (500) afin de permettre à du fluide de refroidissement d'entrer dans des tubes (20) ;
    - une plaque intermédiaire (300) située de l'autre côté de la plaque (100) d'alimentation par rapport au caisson répartiteur (500), ladite plaque intermédiaire (300) comportant au moins une ouverture longitudinale (330a, 330b, 340a, 340b) entre une extrémité et une autre extrémité de ladite plaque intermédiaire (300), ladite ou lesdites ouvertures longitudinales (330a, 330b, 340a, 340b) étant alignées avec l'ensemble (330a, 330b) correspondant de trous (131-133) de la plaque (100) d'alimentation afin de permettre à du fluide de refroidissement d'entrer dans des tubes (20) ;
    - une plaque (400) de couverture située sur la plaque intermédiaire (300), ladite plaque intermédiaire (300) étant située entre la plaque (100) d'alimentation et la plaque (400) de couverture.
  10. Échangeur thermique (1) comportant :
    - la tubulure (10) selon la revendication 9, ladite tubulure (10) étant une tubulure supérieure (10) pour l'échangeur thermique (1) ;
    - une tubulure intérieure (30) ;
    - une pluralité de tubes (20) s'étendant entre les tubulures supérieure (10) et intérieure (30).
EP18153416.5A 2018-01-25 2018-01-25 Plaque d'alimentation pour échangeur thermique Active EP3517879B1 (fr)

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EP18153416.5A EP3517879B1 (fr) 2018-01-25 2018-01-25 Plaque d'alimentation pour échangeur thermique
PCT/EP2019/051834 WO2019145466A1 (fr) 2018-01-25 2019-01-25 Plaque d'alimentation pour échangeur de chaleur

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EP3517879B1 true EP3517879B1 (fr) 2020-09-09

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Publication number Priority date Publication date Assignee Title
WO2021069060A1 (fr) * 2019-10-08 2021-04-15 Valeo Autosystemy Sp. Z O.O. Boîte collectrice pour échangeur de chaleur
EP3809088B1 (fr) * 2019-10-18 2024-03-13 João de Deus & Filhos, S.A. Plaque d'échangeur de chaleur pour une meilleure distribution d'écoulement
DE102020210310A1 (de) * 2020-08-13 2022-02-17 Thyssenkrupp Ag Kompakter Wärmetauscher

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US1484749A (en) * 1923-04-06 1924-02-26 Fedders Mfg Co Inc Radiator
CN1981176B (zh) 2004-07-05 2010-06-16 昭和电工株式会社 换热器
US7275394B2 (en) * 2005-04-22 2007-10-02 Visteon Global Technologies, Inc. Heat exchanger having a distributer plate
FR2923902A1 (fr) * 2007-11-16 2009-05-22 Valeo Systemes Thermiques Boite collectrice pour echangeur de chaleur amelioree et echangeur de chaleur correspondant
US20110139421A1 (en) * 2009-12-15 2011-06-16 Delphi Technologies, Inc. Flow distributor for a heat exchanger assembly
KR101372096B1 (ko) * 2011-11-18 2014-03-07 엘지전자 주식회사 열교환기
EP4299058A3 (fr) 2014-06-24 2024-03-27 The Trustees of Princeton University Procédé d'encapsulation de composés biologiques, thérapeutiques et agents d'imagerie solubles
JP2018105509A (ja) * 2015-04-28 2018-07-05 株式会社デンソー 熱交換器

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