EP1561077B1 - Reservoir collecteur, echangeur thermique et circuit de fluide réfrigérant - Google Patents

Reservoir collecteur, echangeur thermique et circuit de fluide réfrigérant Download PDF

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Publication number
EP1561077B1
EP1561077B1 EP03775215A EP03775215A EP1561077B1 EP 1561077 B1 EP1561077 B1 EP 1561077B1 EP 03775215 A EP03775215 A EP 03775215A EP 03775215 A EP03775215 A EP 03775215A EP 1561077 B1 EP1561077 B1 EP 1561077B1
Authority
EP
European Patent Office
Prior art keywords
collecting tank
stopper
housing
heat exchanger
plug
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.)
Expired - Lifetime
Application number
EP03775215A
Other languages
German (de)
English (en)
Other versions
EP1561077A1 (fr
Inventor
Martin Kaspar
Kurt Molt
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.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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 Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1561077A1 publication Critical patent/EP1561077A1/fr
Application granted granted Critical
Publication of EP1561077B1 publication Critical patent/EP1561077B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/16—Receivers
    • F25B2400/162—Receivers characterised by the plug or stop
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • 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
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2220/00—Closure means, e.g. end caps on header boxes or plugs on conduits

Definitions

  • the invention relates to a collecting container with a plug and a heat exchanger and a refrigerant circuit.
  • Heat exchange media such as in refrigerant circuits of air conditioning systems are often passed through reservoirs, which on the one hand ensures pressure equalization and on the other hand, under certain circumstances, a complete condensation of a refrigerant is ensured.
  • a heat exchange medium in such a collecting container can be freed from particles by means of a filtering device and, if appropriate, by means of a drying device become.
  • Such a collection container is in the DE 100 39 260 A1 the applicant described.
  • the local collecting container receives in its interior a dryer, which is interchangeable for maintenance purposes via a closable with a detachable lid opening.
  • the lid is designed as a cylindrical plug and axially displaceably guided and sealed in a corresponding cylindrical bore of the collecting container.
  • this plug is fixed via a retaining ring, wherein the retaining ring is secured by a voltage applied to the stopper locking block against loosening.
  • the plug is thereby pressed by an applied overpressure, as it exists during operation within the collecting container, axially outwardly against the retaining ring.
  • To open the plug must be pressed from the outside inwards with unpressurized collection container so that the retaining ring is released and can be removed, after which the plug can be removed from the sump.
  • a seal of the bore is done via two sealing rings which are arranged in each case an annular groove of the plug and are pressed by an insertion of the plug into the collecting container in the annular grooves.
  • the outer dimensions of the plug must be matched exactly to the inner dimensions of the bore.
  • the plug must be made of the same material as the sump to avoid a decreasing sealing effect during operation of the sump, since different materials may be subjected to different thermal expansions due to the naturally occurring temperature fluctuations of the heat exchanger medium.
  • the plug is made of aluminum. Thanks to the strength of this material, it is possible to form the plug inside hollow for the purpose of weight and material cost spam without having to accept a reduced shape stability of the plug.
  • the EP 0 886 114 A1 discloses a receptacle for a dryer in which a lid is received in a housing having an inlet and outlet opening.
  • the JP 2002 061 778 A discloses a fluid conduit for a refrigerant that is multi-layered.
  • the US 5992174 discloses a condenser with a refrigerant collector with an insert.
  • a collecting container for a heat exchange medium a housing in which a drying and / or filtering device is receivable.
  • the housing is provided with a closable with a releasable stopper opening through which the drying and / or filtering device in the. Housing can be received and removed from the housing, so that the drying and / or filtration device is designed to be interchangeable.
  • the housing opening is closed with a detachable stopper and can be sealed with a sealant.
  • the sealant may be one or more sealing rings, the / consists of an elastomeric material such as rubber or Teflon / exist.
  • the object of the invention is achieved in that the plug is formed elastically deformable.
  • the plug is deformable by an internal pressure during operation of the collecting container, that the plug presses the sealing means against an edge of the housing opening.
  • an elastically deformable stopper is understood to be a stopper which changes its shape by applying a pressure within the collecting container such that the sealing means experiences a force.
  • a common operating pressure for heat exchange media such as refrigerant from air conditioning systems is already sufficient for this. In this sense, for example, a solid plug made of aluminum has no elastic deformability.
  • the elastic deformability of the plug can be achieved by a suitable geometry of the plug.
  • the plug has a recess with such a thin wall that the wall can be pressed against an edge of the housing opening by means of a pressurized heat exchange medium located within the recess.
  • the stopper is formed substantially as a hollow cylinder with an open end side toward the interior of the housing, wherein the opening has a circular Cross section has.
  • the heat exchange medium then presses the cylinder wall radially in the direction of an edge of the opening, whereby the sealing means, preferably a sealing ring, uniformly compressed and an effective sealing effect is achieved.
  • the collection container constructed when the housing is designed as a tube with an open end.
  • the opening is then formed by the open tube end into which the plug is receivable, is made of plastic, Er.
  • the hollow cylindrical plug is made of plastic, it is particularly well suited as a detachable closure of the collecting container, since a plastic for a deformability according to the invention and at the same time sufficient strength for closing the collecting container is readily selectable.
  • the plug has a shielding element, which is designed as a metal vapor deposition or paint coating, which is applied at least on the inside of the housing facing side of the plug.
  • the plug is integrally formed with the sealant, whereby a mounting cost of the collecting container is reduced due to a resulting reduction in the number of items.
  • the sealing means may be injection molded onto the plug, whereby a particularly simple one-piece design of the plug can be realized with the sealant.
  • the plug is secured against falling out of the sump by being held in the opening by a circlip.
  • a loosening of the retaining ring is prevented from an optionally existing annular groove in the edge of the housing opening by the locking ring is secured by a provided on the stopper, applied to an inner edge of the locking ring locking portion.
  • the collecting container according to the invention is used in a heat exchanger with tubes, fins and two headers such that a heat exchange medium, the through flows through the heat exchanger, before, then or during the flow through the reservoir.
  • the heat exchanger is designed as a condenser, in which case particularly preferably a dryer is accommodated in the sump.
  • Such heat exchangers are through the DE 42 38 853 C2 become known, which hereby expressly belongs to the disclosure content.
  • the collecting container according to the invention is used in a refrigerant circuit of an air conditioner with a compression element, a first heat exchanger, a relaxation element and a second heat exchanger to allow a collection of the refrigerant.
  • the sump contains a dryer for the refrigerant.
  • the compression element is a compressor
  • the first heat exchanger is a condenser
  • the expansion element is an expansion valve
  • the second heat exchanger is an evaporator.
  • FIG. 1 a condenser (1) of an otherwise not shown refrigerant circuit for an air conditioner is shown. It has a tube and fin block (10) with tubes (11) and arranged therebetween ribs (12).
  • a first manifold (13) is provided with an inlet connection (15) for a non-illustrated compression element, such as a compressor, coming gaseous refrigerant and with a drain port (16) for a likewise not shown expansion element, such as an expansion valve, provided flowing liquid refrigerant.
  • the two header pipes (13, 14) are separated by partitions (17, 18, 19, 20, 21, 22, 26, 27) into head pieces (33, 34) communicating with the connections (15, 16) and into intermediate pieces (35, 36, 37, 38, 39, 40, 41, 42) such that the refrigerant from the head piece (33) to the intermediate piece (40) and the intermediate piece (42) to the head piece (34) each have a serpentine path through the condenser (1 ), wherein the flow cross-section with increasing cooling in accordance with the thereby reducing volume of the gaseous and / or liquid Refrigerant is also reduced.
  • the headers (13, 14) are closed by end walls (28, 29, 30, 31) fluid-tight.
  • a collecting container (43) which serves to collect the condensed refrigerant.
  • the housing (23) of the collecting container (43) has an inlet opening (24) and an outlet opening (25), which communicate with the intermediate pieces (40) and (42) of the collecting tube (14).
  • a drying and filtering device (32) which is removable from the housing (23).
  • the tubular housing (23) on one end face with a releasable plug (44) is closed, so that the drying and filtering device (32) via the opening (45) can be exchanged, for example, for maintenance purposes.
  • Fig. 2 shows a more detailed, fragmentary view of a collecting container (100) with a plug (110) in cross section.
  • the collecting container comprises a tubular housing (120), whose one end face (130) is open.
  • the housing (120) has a non-visible inlet opening and an outlet opening (140) for a heat exchange medium such as a refrigerant.
  • a connection to an adjacent manifold (150) having separation and termination walls (160, 170) is provided via an opening (180). formed in the manifold (150), wherein a raised edge (190) of the opening (180) engages in the outlet opening (140) of the collecting container (100).
  • the open end face (130) of the housing (120) with the releasable plug (110) is closed, which is adapted to the housing shape , cylindrical shape.
  • two sealing rings (200, 210) which are received in circumferential annular grooves (220, 230) in the cylinder wall (240) of the hollow cylindrical plug (110).
  • a locking ring (260) is received, which prevents the plug (110) from falling out of the opening (130).
  • the operation of the retaining ring (260) is described in detail in the above-mentioned DE 100 39 260 A1 described, which also hereby expressly belongs to the disclosure content.
  • the removal of the plug (110) from the housing (120) is facilitated by a screw, not shown, which is screwed into the blind hole threaded bore (270), so that the plug (110) can be easily pulled out of the opening (130).
  • the plug (110) is made of an elastically deformable plastic produced, whereby the plug (110) and especially its wall (240) is elastically deformable. It is important to ensure that the deformability of the plug (110) is not so pronounced that the closing action using the retaining ring (260) is at risk.
  • the heat exchange medium within its housing (120) is pressurized and exerts a force on the inside (290) of the wall (240) of the plug from the cavity (280) of the hollow cylindrical plug (110) (110) off. Because of the elastic deformability of the plug material, the wall (240) then bends radially away from the cylinder axis (300) towards the edge of the opening (130), which in this embodiment is represented by the tube wall of the housing (120). Characterized the sealing rings (200, 210) in the annular grooves (220, 230) pressed against the housing (120) and ensures a secure seal.
  • annular grooves (220, 230) are arranged with the sealing rings (200, 210) just in an area of the wall (240) at the level of the cavity (280), so that the generated by the pressure of the heat exchange medium Force on the inside (290) of the wall (240) to a sufficient extent on the sealing rings (200, 210) is transmitted.
  • the plug (110) in the region of the wall (240) is made relatively thin in order to additionally support this power transmission.

Claims (7)

  1. Bac collecteur pour un milieu d'échangeur de chaleur, comprenant un carter (23, 120), un dispositif de séchage et / ou de filtration (32), remplaçable, un bouchon amovible (44, 110) et au moins une bague d'étanchéité (200, 210) réalisée dans un matériau élastomère, où le dispositif de séchage et / ou de filtration (32), remplaçable, peut être logé dans le carter (23, 120), où le carter (23, 120) présente une ouverture (45, 130) pouvant être obturée avec le bouchon amovible (44, 110) et rendue étanche grâce à la bague d'étanchéité (200, 210), où le bouchon (44, 110) est guidé en étant mobile axialement dans le perçage cylindrique du bac collecteur et est fixé par un anneau de retenue (260), et le bouchon (44, 110) est en matière plastique,
    caractérisé en ce que le bouchon (44, 110) est déformable élastiquement par une pression intérieure, au cours d'un fonctionnement du bac collecteur, de manière telle que le bouchon (44, 110) applique la bague d'étanchéité (200, 210) contre un bord de l'ouverture de carter (45, 130), et le bouchon (44, 110) est configuré sensiblement comme un cylindre creux comprenant une face frontale ouverte (280) et un évidement, où le cylindre creux est ouvert sur le côté tourné vers l'intérieur du carter, et le bouchon (44, 110) présente un élément de protection contre le milieu de l'échangeur de chaleur, et l'élément de protection est configuré comme un revêtement, où l'élément élastomère de la bague d'étanchéité (200, 210) présente du caoutchouc ou du téflon, et le bouchon (44, 110) est configuré en formant une seule et même pièce avec la bague d'étanchéité (200, 210), où la bague d'étanchéité (200, 210) est moulée par injection, en particulier sur le bouchon (44, 110).
  2. Bac collecteur selon la revendication 1, caractérisé en ce que le revêtement est configuré comme un revêtement métallique ou verni.
  3. Bac collecteur selon l'une des revendications 1 ou 2, caractérisé en ce que l'ouverture (280) a une section circulaire.
  4. Bac collecteur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le carter (23, 120) est configuré comme un tube comportant une extrémité ouverte (45, 130), où le bouchon (44, 110) peut être logé dans l'extrémité ouverte (45, 130) du tube.
  5. Bac collecteur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que le milieu de l'échangeur de chaleur est un fluide frigorigène, le bac collecteur faisant partie d'un circuit de fluide frigorigène, en particulier pour un système de climatisation d'un véhicule automobile.
  6. Echangeur de chaleur, en particulier condenseur (1), comportant des tubes (11), des ailettes (12) et deux pièces de tête (33, 34), caractérisé en ce que l'échangeur de chaleur présente un bac collecteur selon l'une quelconque des revendications 1 à 5.
  7. Circuit de fluide frigorigène d'un système de climatisation, en particulier pour un véhicule automobile, comprenant un élément de compression comportant un premier échangeur de chaleur, comprenant un élément de détente comportant un deuxième échangeur de chaleur et comprenant un bac collecteur, caractérisé en ce que le bac collecteur est configuré selon l'une quelconque des revendications 1 à 5.
EP03775215A 2002-11-05 2003-10-22 Reservoir collecteur, echangeur thermique et circuit de fluide réfrigérant Expired - Lifetime EP1561077B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10251777 2002-11-05
DE10251777A DE10251777A1 (de) 2002-11-05 2002-11-05 Sammelbehälter, Wärmetauscher und Kältemittelkreislauf
PCT/EP2003/011692 WO2004042292A1 (fr) 2002-11-05 2003-10-22 Reservoir collecteur, echangeur termique et circuit de liquide de refroidissement

Publications (2)

Publication Number Publication Date
EP1561077A1 EP1561077A1 (fr) 2005-08-10
EP1561077B1 true EP1561077B1 (fr) 2011-04-27

Family

ID=32115317

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03775215A Expired - Lifetime EP1561077B1 (fr) 2002-11-05 2003-10-22 Reservoir collecteur, echangeur thermique et circuit de fluide réfrigérant

Country Status (8)

Country Link
US (1) US20060123836A1 (fr)
EP (1) EP1561077B1 (fr)
CN (1) CN1711450A (fr)
AT (1) ATE507443T1 (fr)
AU (1) AU2003283290A1 (fr)
BR (1) BR0315982A (fr)
DE (2) DE10251777A1 (fr)
WO (1) WO2004042292A1 (fr)

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
DE10347679A1 (de) 2003-10-09 2005-05-04 Behr Gmbh & Co Kg Wärmeübertrager für ein Kraftfahrzeug, insbesondere Kühlmittel/Luft-Kühler
JP5384853B2 (ja) * 2008-05-16 2014-01-08 サンデン株式会社 受液器一体型凝縮器
DE102012220594A1 (de) * 2012-09-21 2014-03-27 Behr Gmbh & Co. Kg Kondensator
EP3163243B1 (fr) * 2015-10-28 2019-08-14 Borgwarner Emissions Systems Spain, S.L.U. Évaporateur
US11712942B2 (en) * 2020-08-05 2023-08-01 Denso International America, Inc. Hermetically sealed cap for heat exchanger modulator
DE102020215372A1 (de) * 2020-12-04 2022-06-09 Mahle International Gmbh Verschlussstopfen für einen Sammler eines Kältemittelkreislaufs
DE102021201735A1 (de) * 2021-02-24 2022-08-25 Mahle International Gmbh Sammler eines Kältemittelkreislaufs

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US2168734A (en) * 1937-02-10 1939-08-08 Freeman William Simon Stopper for bottles, jars, and similar containers
US2848130A (en) * 1953-10-07 1958-08-19 Duo Vent Vacuum Closure Compan Pressure resistant closures
JPH0733878B2 (ja) * 1989-05-29 1995-04-12 東海ゴム工業株式会社 冷媒輸送用ホース
DE4245046C8 (de) 1992-11-18 2008-08-21 Behr Gmbh & Co. Kg Kondensator für eine Klimaanlage eines Fahrzeuges
DE4421834A1 (de) * 1994-06-22 1996-01-04 Behr Gmbh & Co Einsatz für einen Kondensator einer Klimaanlage eines Fahrzeuges
DE19712714A1 (de) * 1997-03-26 1998-10-01 Behr Gmbh & Co Einsatz für ein Sammlerprofil eines Kondensators
DE29710638U1 (de) * 1997-06-18 1997-08-14 Controls Gmbh Deutsche Aufnahmebehälter für eine Dessikativ-Charge
JP3801348B2 (ja) * 1997-07-28 2006-07-26 株式会社ヴァレオサーマルシステムズ レシーバタンク
DE19848744B4 (de) * 1998-10-22 2007-06-21 Behr Gmbh & Co. Kg Gelöteter Kondensator für eine Klimaanlage
DE10039260B4 (de) 1999-09-10 2007-03-29 Behr Gmbh & Co. Kg Verschluß für einen Sammelbehälter
DE10066393B4 (de) * 1999-09-10 2018-09-20 Mahle International Gmbh Kondensator
US6446463B2 (en) * 2000-03-09 2002-09-10 S.K.G. Italiana S.P.A. Filter cartridge and condenser
JP4062862B2 (ja) * 2000-06-05 2008-03-19 東海ゴム工業株式会社 金属複合コルゲートホースとその製造方法
JP2002061778A (ja) * 2000-08-22 2002-02-28 Bridgestone Corp 冷媒輸送用ホース
EP1202007A1 (fr) * 2000-10-25 2002-05-02 Skg Italiana Spa Condenseur et dessiccateur

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
DE10251777A1 (de) 2004-05-19
EP1561077A1 (fr) 2005-08-10
ATE507443T1 (de) 2011-05-15
WO2004042292A1 (fr) 2004-05-21
DE50313654D1 (de) 2011-06-09
BR0315982A (pt) 2005-09-20
US20060123836A1 (en) 2006-06-15
CN1711450A (zh) 2005-12-21
AU2003283290A1 (en) 2004-06-07

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