EP1887295B1 - Condenseur avec un bouteille améliorée - Google Patents

Condenseur avec un bouteille améliorée Download PDF

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Publication number
EP1887295B1
EP1887295B1 EP06460026.5A EP06460026A EP1887295B1 EP 1887295 B1 EP1887295 B1 EP 1887295B1 EP 06460026 A EP06460026 A EP 06460026A EP 1887295 B1 EP1887295 B1 EP 1887295B1
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EP
European Patent Office
Prior art keywords
wall member
condenser
tank
condenser according
header
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
EP06460026.5A
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German (de)
English (en)
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EP1887295A1 (fr
Inventor
Wojcieh Valeo Autosystemy Sp. Dolnicki
Dawid c/o Valeo Autosystemy Sp. Szostek
Adam c/o Valeo Autosystemy Sp. Bedek
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 Autosystemy Sp zoo
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Valeo Autosystemy Sp zoo
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Publication date
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Priority to EP06460026.5A priority Critical patent/EP1887295B1/fr
Publication of EP1887295A1 publication Critical patent/EP1887295A1/fr
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Publication of EP1887295B1 publication Critical patent/EP1887295B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/0535—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05375—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
    • 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
    • F28D2021/0084—Condensers

Definitions

  • the invention relates to a condenser with a tank for a cooling circuit of an automotive vehicle.
  • the invention is concerned with a condenser with a tank comprising a wall member defining an interior space having a drying zone and a connection zone, the wall member receiving a drying element and having an inlet opening in an upper portion of the drying zone and an outlet opening in the lower portion of the drying zone.
  • Condensers having a core portion and a sub cooling portion are known in the art.
  • the core portion condenses a refrigerant fluid flowing through the condenser, which is then dehydrated or dried in a tank, and further cooled in the sub cooling portion.
  • This type of condenser is conventionally placed vertically in the vehicle, the refrigerant fluid flowing from top to bottom and the sub cooling portion being thus placed below the core portion.
  • condensers having a sub cooling portion on top of the core portion have been proposed.
  • the fluid circulation is from bottom to top, and the fluid dried in the tank has to be driven up to the sub cooling portion.
  • the invention aims at improving the situation.
  • the tank comprising a wall member defining an interior space having a drying zone and a connection zone, said wall member receiving a drying element and having an inlet opening in an upper portion of the drying zone and an outlet opening in the lower portion of the drying zone.
  • the tank further comprises a riser pipe connected at one end to the outlet opening of the drying zone and at another end to an inlet opening of the wall member in the connection zone, and the pipe is located exterior to the interior space, for driving a fluid dried in the drying zone to the connection zone.
  • the riser pipe may be integral with the wall member, and it may also be alongside to the wall member. More particularly, the wall member and the riser pipe may be generally cylindrical.
  • This design is advantageous because it allows manufacturing a tank which contains all the elements for driving the dried fluid to the sub cooling portion of the condenser via the connection zone.
  • the condenser equipped with this tank may thus be designed almost independently of the tank, except for the connection. This allows for great design flexibility. Furthermore, this type of tank may be produced automatically and in an industrial manner, as opposed to the custom tanks of the prior art.
  • the tank may comprise a baffle disposed transversely in the wall member for separating the drying zone and the connection zone in a sealed manner.
  • the baffle may be brazed or soldered to the wall member and the riser pipe.
  • the tank may comprise a thru pipe disposed transversely through the wall member, the thru pipe being connected to the riser pipe at one end, and protruding transversely from the wall member at the other end.
  • the thru pipe may be brazed or soldered to the wall member and the riser pipe.
  • the wall member has an outlet opening in the connection zone, for connection to a header of a heat exchanger, and the wall member and the riser pipe may be extruded, while the wall member may be closed by a cap in the connection zone.
  • the invention concerns a condenser comprising a core portion and a sub-cooling portion disposed on top of said core portion, as well as a tank described above.
  • a condenser comprising a core portion and a sub-cooling portion disposed on top of said core portion, as well as a tank described above.
  • an outlet opening of the core portion is connected to the inlet opening of the drying zone, and an inlet opening of the sub-cooling portion is connected to an outlet of the connection zone of the tank.
  • This condenser may comprise a beam of condensing tubes received at both ends in respective headers of the condenser.
  • Each header may comprise respective flanges for defining the core portion and the sub-cooling portion, one of the headers further comprising connection means for inlet and outlet of fluid in the condenser, and the other header further comprising the outlet opening of the core portion, and the inlet opening of the sub-cooling portion.
  • the tank may be disposed parallel to the other header, and attached to the condenser by means of hooks gripping the other header, or by brazing.
  • Figure 1 shows a general schematic view of a condenser 2 according to the invention.
  • Condenser 2 comprises a beam 4 of condensing tubes 6 disposed parallel to each other and received at each of their ends in two headers 8 and 10. Between tubes 6, fins 12 are arranged, which enhance the heat exchange surface.
  • Condenser 2 comprises two portions for the refrigerant fluid flowing through it.
  • a first portion hereinafter named core portion 14 is arranged in the lower part of condenser 2.
  • the core portion 14 is used to condense the refrigerant fluid after its expansion in the cooling cycle of the vehicle.
  • sub cooling portion 16 A second portion, hereinafter named sub cooling portion 16, is arranged on top of the core portion 14.
  • the sub cooling portion 16 is used to cool down the condensed fluid output from the core portion 14.
  • Core portion 14 and sub cooling portion 16 are defined by means of flanges 18 and 20 arranged at the same level in headers 8 and 10.
  • Core portion 14 is defined by the tubes 6 and the part of headers 8 and 10 which are below flanges 18 and 20.
  • Sub cooling portion 16 is defined by the tubes 6 and the part of headers 8 and 10 which are above flanges 18 and 20.
  • Headers 8 and 10 further comprise flanges 22 in the core portion 14 and 24 in the sub cooling portion 16, which help defining a fluid path in condenser 2.
  • flanges may be used to define the core portion 14 and the sub cooling portion 16, and to define a refrigerant fluid path in condenser 2.
  • condenser 2 When received in a vehicle, condenser 2 is disposed substantially vertically, thus headers 8 and 10 are also disposed vertically in the vehicle.
  • Header 8 comprises a refrigerant fluid inlet 26 in the core portion 14, and a refrigerant fluid outlet 28 in the sub cooling portion 16 for receiving and outputting the refrigerant fluid.
  • Header 10 comprises a condensed fluid outlet 30 for outputting the refrigerant fluid condensed in core portion 14 in a drying tank 32, and a dried fluid inlet 34 for inputting the dried refrigerant fluid in the sub cooling portion 16.
  • Tank 32 comprises a drying zone D and a connection zone C.
  • Drying zone D comprises a refrigerant fluid inlet 35 for receiving the refrigerant fluid output from condensed fluid outlet 30.
  • tank 32 contains a drying element 36 for drying the condensed refrigerant fluid output from the core portion 14.
  • Drying zone D further comprises a dried fluid outlet 38 connected to an end 40 of a riser pipe 42 for driving the dried fluid to a dried fluid inlet 44 of the connection zone C.
  • Connection zone C further comprises a fluid outlet 46 connected to the dried fluid inlet 34 of header 10.
  • Tank 32 comprises a wall member 50, which is essentially cylindrical.
  • Wall member 50 defines an interior space 52 containing the drying zone D and the connection zone C.
  • Interior space 52 is closed in the connection zone C by a cap 54.
  • Riser pipe 42 has the same cylindrical shape as wall member 50, and is also closed in the region of the connection zone C by a cap 58.
  • Riser pipe 42 and wall member 50 are integral and are made by means of extrusion.
  • Riser pipe 42 and wall member 50 are made of aluminium, and could be made of steel or any aluminium or steel alloy.
  • Riser pipe 42 and wall member 50 could also be two different parts machined in a different manner.
  • Drying zone D and connection zone C are separated by a baffle 56.
  • Baffle 56 is generally made of aluminium, and is brazed to the wall member 50 during the brazing of condenser 2, in order to realize a sealed separation of drying zone D and connection zone C. Baffle 56 may also be soldered to wall member 50.
  • Tank 32 is disposed parallel to header 10, such that inlet 34 (respectively outlet 30) of header 10 and outlet 46 (respectively inlet 35) of tank 32 face each other and are adjacent to each other.
  • a duct portion 60 penetrates these openings for sealing the connection between tank 32 and header 10.
  • Duct portion 60 is brazed to both tank 32 and header 10 during the brazing of condenser 2.
  • Tank 32 is further attached to header 10 by means of hooks 62, which grip the outer surface of header 10.
  • Figure 3 shows another embodiment of the condenser, in a view similar to that of figure 2 .
  • connection zone C is realized by means of a thru pipe 64 which is disposed transversely to the wall member 50, and penetrates header 10 through inlet 34 and outlet 46 at one end, and inlet 44 at the other end.
  • Thru pipe 64 is thus connected to riser pipe 42 at one end, and protrudes transversely from wall member 50 at the other end.
  • Thru pipe 64 is brazed in place during the brazing of condenser 2, which insures the sealed separation between connection zone C and drying zone D.
  • the drying zone D corresponds to the entire interior space 52 that is not occupied by thru pipe 64.
  • wall member 50 comprises an unused opening 66 in the lower part of drying zone D. Opening 66 has the same diameter as openings 35 and 46. The distance between openings 35 and 46 is the same as that between openings 35 and 66.
  • brazing paste for brazing to header 10 during the brazing of condenser 2. This brazing further insures attachment of tank 32 to header 10.
  • tank 32 With periodical openings of the type of openings 35, 46 and 66. Only those which are placed in front of a homologous opening in header 10 will actually be functional. The same design may be used with riser pipe 42.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Conditioning For Vehicles (AREA)

Claims (15)

  1. Condenseur comprenant une partie centrale (14) et une sous-partie de refroidissement (16) disposée au-dessus de ladite partie centrale (14), et un réservoir (32), caractérisé en ce que le réservoir (32) comprend un élément de paroi (50) définissant un espace intérieur (52) ayant une zone de dessicant (D) et une zone de raccordement (C), ledit élément de paroi (50) recevant un élément dessicant (36) et ayant une ouverture d'entrée (35) dans une partie supérieure de la zone de dessicant (D) et une ouverture de sortie (40) dans la partie inférieure de la zone de dessicant (D), le réservoir (32) comprenant en outre un conduit ascendant (42) raccordé à une extrémité à l'ouverture de sortie (40) de la zone de dessicant (D) et à une autre extrémité à une ouverture d'entrée (44) de l'élément de paroi (50) dans la zone de raccordement (C), et en ce que ledit conduit ascendant (42) est situé à l'extérieur de l'espace intérieur (52), pour conduire un fluide séché dans la zone de dessicant (D) jusqu'à la zone de raccordement (C), et en ce qu'une ouverture de sortie (30) de la partie centrale (14) est raccordée à l'ouverture d'entrée (35) de la zone de dessicant (D) du réservoir (32), et en ce qu'une ouverture d'entrée (34) de la sous-partie de refroidissement (16) est raccordée à une sortie (46) de la zone de raccordement (C) du réservoir (32).
  2. Condenseur selon la revendication 1, caractérisé en ce que le conduit ascendant (42) fait partie intégrante de l'élément de paroi (50).
  3. Condenseur selon la revendication 1 ou 2, caractérisé en ce que ledit conduit ascendant (42) est le long dudit élément de paroi (50).
  4. Condenseur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que ledit élément de paroi (50) et ledit conduit ascendant (42) sont globalement cylindriques.
  5. Condenseur selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il comprend une chicane (56) disposée transversalement dans l'élément de paroi (50) pour séparer ladite zone de dessicant (D) et ladite zone de raccordement (C) de façon étanche.
  6. Condenseur selon la revendication 5, caractérisé en ce que ladite chicane (56) est brasée ou soudée audit élément de paroi (50) et audit conduit ascendant (42).
  7. Condenseur selon l'une quelconque des revendications 1 à 4, caractérisé en ce qu'il comprend un conduit traversant (64) disposé transversalement à travers l'élément de paroi (50), ledit conduit traversant (64) étant raccordé audit conduit ascendant (42) à une extrémité, et faisant saillie transversalement depuis ledit élément de paroi (50) à l'autre extrémité.
  8. Condenseur selon la revendication 7, caractérisé en ce que ledit conduit traversant (64) est brasé ou soudé audit élément de paroi (50) et audit conduit ascendant (42).
  9. Condenseur selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit élément de paroi (50) a une ouverture de sortie (46) dans la zone de raccordement, pour raccordement à un collecteur (10) d'un condenseur (2).
  10. Condenseur selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit élément de paroi (50) et ledit conduit ascendant (42) sont extrudés.
  11. Condenseur selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit élément de paroi (50) est fermé par un bouchon (54) dans la zone de raccordement (C).
  12. Condenseur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un faisceau (4) de tubes de condensation (6) reçus aux deux extrémités dans des collecteurs respectifs (8, 10), chaque collecteur (8, 10) comprenant des brides respectives (18, 20) pour définir ladite partie centrale (14) et ladite sous-partie de refroidissement (16), un desdits collecteurs (8) comprenant en outre des ouvertures de raccordement (26, 28) pour l'entrée et la sortie de fluide dans le condenseur (2), et l'autre collecteur (10) comprenant en outre l'ouverture de sortie (30) de la partie centrale (14), et l'ouverture d'entrée (34) de la sous-partie de refroidissement (16).
  13. Condenseur selon la revendication 12, caractérisé en ce que ledit réservoir (32) est disposé parallèlement audit autre collecteur (10).
  14. Condenseur selon la revendication 12 ou 13, caractérisé en ce que le réservoir (32) est attaché au condenseur (2) au moyen de crochets (62) saisissant ledit autre collecteur (10).
  15. Condenseur selon l'une quelconque des revendications 12 à 14, caractérisé en ce que le réservoir (32) est brasé audit autre collecteur (10).
EP06460026.5A 2006-08-11 2006-08-11 Condenseur avec un bouteille améliorée Active EP1887295B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06460026.5A EP1887295B1 (fr) 2006-08-11 2006-08-11 Condenseur avec un bouteille améliorée

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06460026.5A EP1887295B1 (fr) 2006-08-11 2006-08-11 Condenseur avec un bouteille améliorée

Publications (2)

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EP1887295A1 EP1887295A1 (fr) 2008-02-13
EP1887295B1 true EP1887295B1 (fr) 2017-07-26

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010039511A1 (de) * 2010-08-19 2012-02-23 Behr Gmbh & Co. Kg Kältemittelkondensatorbaugruppe
EP2835608A1 (fr) 2013-08-08 2015-02-11 VALEO AUTOSYSTEMY Sp. Z. o.o. Condenseur à double plan

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528826A (en) * 1982-09-23 1985-07-16 Avery Jr Richard J Refrigerant accumulator and charging apparatus and method for vapor-compression refrigeration system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3044395B2 (ja) * 1990-12-28 2000-05-22 株式会社ゼクセル レシーバドライヤ一体型コンデンサ
JPH11304293A (ja) * 1997-07-10 1999-11-05 Denso Corp 冷媒凝縮器
DE19912381B4 (de) * 1999-03-19 2019-02-21 Mahle International Gmbh Kondensator
JP4078812B2 (ja) * 2000-04-26 2008-04-23 株式会社デンソー 冷凍サイクル装置
JP4134633B2 (ja) * 2002-08-20 2008-08-20 株式会社デンソー 冷凍サイクル装置
FR2849176B1 (fr) * 2002-12-20 2005-03-18 Valeo Thermique Moteur Sa Echangeur de chaleur muni d'un reservoir, en particulier pour vehicule automobile, et procede pour sa fabrication.
DE102004043133A1 (de) * 2004-09-07 2006-03-23 Daimlerchrysler Ag Klima-Kondensator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4528826A (en) * 1982-09-23 1985-07-16 Avery Jr Richard J Refrigerant accumulator and charging apparatus and method for vapor-compression refrigeration system

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