EP0570287B1 - Dispositif de raccordement de fluide pour un échangeur de chaleur de véhicule automobile - Google Patents

Dispositif de raccordement de fluide pour un échangeur de chaleur de véhicule automobile Download PDF

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Publication number
EP0570287B1
EP0570287B1 EP19930401222 EP93401222A EP0570287B1 EP 0570287 B1 EP0570287 B1 EP 0570287B1 EP 19930401222 EP19930401222 EP 19930401222 EP 93401222 A EP93401222 A EP 93401222A EP 0570287 B1 EP0570287 B1 EP 0570287B1
Authority
EP
European Patent Office
Prior art keywords
pipe
coupling according
tube
ring
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.)
Expired - Lifetime
Application number
EP19930401222
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0570287A1 (fr
Inventor
Carlos Martins
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 Climatisation SA
Original Assignee
Valeo Thermique Habitacle
Valeo Climatisation SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Valeo Thermique Habitacle, Valeo Climatisation SA filed Critical Valeo Thermique Habitacle
Publication of EP0570287A1 publication Critical patent/EP0570287A1/fr
Application granted granted Critical
Publication of EP0570287B1 publication Critical patent/EP0570287B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F28F9/0246—Arrangements for connecting header boxes with flow lines

Definitions

  • the invention relates to a fluid connection device for a heat exchanger of a motor vehicle.
  • a heat exchanger of this kind is usually traversed by a fluid, generally water with added antifreeze, which is used to cool the vehicle engine.
  • This heat exchanger can consist either of an engine cooling radiator or a cabin heating radiator.
  • two connection devices are provided, one for the inlet and the other for the outlet of the fluid.
  • such a connection device comprises a pipe which depends on a manifold, or water box, of the heat exchanger and on which is fitted a flexible pipe held by a clamp.
  • This tubing is generally molded with the manifold which can be made, for example, of plastic.
  • bent tubing It is also known to use bent tubing, but the latter cannot be easily manufactured by molding. In addition, it is impossible to produce a fluid box comprising a bent tube coming from molding with it.
  • the object of the invention is in particular to overcome the aforementioned drawbacks.
  • connection device which can be produced in a particularly simple manner by molding and / or machining operations.
  • the invention also aims to provide such a connection device which causes a minimum pressure drop in the circuit of the fluid passing through the heat exchanger.
  • the invention provides a fluid connection device for a heat exchanger of a motor vehicle, comprising a first tube and a second tube having respective connection rings of conjugate shape, which each depend on a tubular body characterized in that the connecting ring of the first tube extends in a general plane inclined at an angle chosen with respect to a plane perpendicular to the axis of the tubular body of this tube and in that the connecting ring of the second tube extends in a general plane.
  • connection ring of the first tube thus provides a connection plane not perpendicular to the axis of the body of the tube which has the shape of a straight tube.
  • the axis of the first tube is inclined relative to the axis of the second tube, which makes it possible to give this second tube a chosen orientation with respect to the first tube.
  • this first tubing can be produced easily by conventional molding and / or machining operations because it does not have bent parts.
  • the general plane extends perpendicular to the axis of the body of this tubing.
  • the second tube can also be easily produced by conventional molding and / or machining operations, because it does not have a bent part.
  • connection ring is intended to designate, in general, a part of general shape annular which is attached to the body of a tubing to allow its connection to an annular part of conjugate shape that includes another tubing.
  • a connection ring can consist, for example, of a flange or a flange.
  • connection ring of the first tube has a female socket
  • connection ring of the second tube has a male socket
  • the female socket of the first tube forms a seat with a spherical bearing for an O-ring and the male socket of the second tube is a hollow cylindrical extension around which the O-ring is placed.
  • a tight seal is thus obtained by bringing one closer and tightening it against the respective connection rings of the first and of the second tubing.
  • the first tubing comprises an end piece for the connection of a flexible pipe, while the second tubing is connected to a manifold of a heat exchanger.
  • the first tubing is connected to a heat exchanger manifold, while the second tubing has an end piece for connecting a flexible pipe.
  • the tubing which is connected to the manifold of the heat exchanger is advantageously obtained by molding with the manifold, which is preferably made of plastic.
  • the device comprises immobilization means for holding the respective connection rings of the first tube and the second tube in support.
  • the first tubing and the second tubing are advantageously each made in one piece by molding of material, for example plastic.
  • FIG. 1 represents a fluid connection device 10 according to the invention, connected on the one hand to a manifold 12 of a heat exchanger, for example of a cooling radiator of a motor vehicle engine, and on the other hand to a flexible pipe 14.
  • the device 10 is intended to establish a connection between the manifold 12, also called water box, and the pipe 14 for introducing a fluid into this collector box or take it out.
  • the device 10 comprises a first tube 16 connected to the pipe 14 and a second tube 18 connected to the manifold 12, the tubes 16 and 18 being assembled together.
  • the first tube 16 has a connection ring 20 which depends on a tubular body 22 constituting a nozzle on which is fitted the pipe 14.
  • the second tube 18 comprises a connection ring 24 which depends on a tubular body 26 connected to the water box 12.
  • the connection rings 20 and 24 have conjugate shapes and are held in abutment by two screw 28, only one of which is visible in FIG. 1.
  • the tubular body 22 of the first tube 16 is a straight tube which has a shape of revolution around an axis A1.
  • the tubular body 22 has, at one end, the connecting ring 20 and, at its opposite end, a peripheral bead 30 (Figure 3). This bead is intended to prevent the extraction of the pipe 14, which is advantageously held by a clamp 32 ( Figure 1).
  • connection ring 20 of the first tube 16 extends in a general plane P1 which is inclined by a chosen angle B relative to a plane P0 perpendicular to the axis A1 of the body 22 of the tubing.
  • the angle B is an acute angle of chosen value which is generally less than 45 °.
  • connection ring 20 of the first tube 16 comprises a female socket 34 here consisting of an annular seat with a spherical bearing, the center O of which is located at the intersection of the axis A1 and the plane P1 (FIG. 3).
  • Tubing 16 can be made in one piece by molding a suitable material, for example metallic or plastic. This molding is particularly easy to perform because the tubular body 22 is straight, so that the mold can be removed in the direction of the axis A1.
  • the tubular body 26 of the second tube 18 is rectilinear and has a shape of revolution around an axis A2 ( Figure 2).
  • This axis A2 is arranged in an orientation chosen with respect to the manifold 12, as taught for example by the document FR-A-2 526 932 already mentioned.
  • connection ring 24 of the second tube 18 extends in a general plane P2 ( Figure 2) which is perpendicular to the axis A2 of the body 26.
  • the connection ring 24 has a male socket having a cylindrical extension 36 of axis A2 which is connected to the ring 24 by an annular shoulder 38.
  • An O-ring 40 is placed around the cylindrical extension 36 so as to abut against the shoulder 38.
  • the cylindrical extension 36 forms a male socket suitable for cooperating with the female socket 34 of the ring 20, as shown in FIG. 2.
  • the rings 20 and 24 are brought together as shown in the figure 2, their respective connection planes P1 and P2 are mutually parallel and the O-ring 40 is housed in the annular space formed between, on one side, the cylindrical extension 36 and the annular shoulder 38, and, from the 'other side, the female socket 34 spherical.
  • the respective axes A1 and A2 of the tubular bodies 22 and 26 form between them an angle B ( Figure 2) equal to the angle of inclination B of the plane P1 relative to the plane P0.
  • connection plane P2 of the second tube 18 could also be inclined relative to a plane perpendicular to the axis A2. In this case, the angle formed between the axes A1 and A2 would be different.
  • the tubing 18 can be made in one piece with the manifold 12 and it can be easily obtained by molding, for example from a plastic material.
  • the connecting ring 24 has a general diamond shape with rounded angles so as to provide two diametrically opposite ears 42 which can each be traversed by a screw 28.
  • Each of the screws 28 is suitable for passing through a hole in the ring 20 ( Figures 2 and 4) and to cooperate with a threaded hole 44 formed in the connecting ring 24, of similar shape, of the second pipe 18.
  • connection device 10 makes it possible to give the tubing 16 an angular orientation chosen with respect to the tubing 18 which, too, has an angular orientation chosen with respect to the manifold 12.
  • the pipe 14 can thus bypass for example an obstacle consisting of an accessory located close to the manifold.
  • the invention is not limited to the embodiment described above by way of example.
  • the respective functions of the first and second tubing can be reversed, the first tubing then being connected to the water box and the second tubing to the flexible hose.
  • the second tube can also have a connection plane which is not perpendicular to the axis of the body of the tube.
  • the means forming an interlocking between the two pipes are not limited to a male-female interlocking of the type described above.
  • the device of the invention can be produced in a particularly simple manner, in particular by molding, without requiring complicated operations such as those used for the manufacture of bent pipes.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)
  • Joints Allowing Movement (AREA)
  • Nozzles (AREA)
EP19930401222 1992-05-13 1993-05-13 Dispositif de raccordement de fluide pour un échangeur de chaleur de véhicule automobile Expired - Lifetime EP0570287B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9205810 1992-05-13
FR9205810A FR2691241B1 (fr) 1992-05-13 1992-05-13 Dispositif de raccordement de fluide pour un echangeur de chaleur de vehicule automobile.

Publications (2)

Publication Number Publication Date
EP0570287A1 EP0570287A1 (fr) 1993-11-18
EP0570287B1 true EP0570287B1 (fr) 1995-12-06

Family

ID=9429750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930401222 Expired - Lifetime EP0570287B1 (fr) 1992-05-13 1993-05-13 Dispositif de raccordement de fluide pour un échangeur de chaleur de véhicule automobile

Country Status (5)

Country Link
EP (1) EP0570287B1 (ja)
JP (1) JPH0626781A (ja)
DE (1) DE69300938T2 (ja)
ES (1) ES2086898T3 (ja)
FR (1) FR2691241B1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100825707B1 (ko) * 2001-09-26 2008-04-29 한라공조주식회사 냉각수 압력손실을 저감한 라디에이터
FR2853724B1 (fr) * 2003-04-14 2006-03-03 Valeo Climatisation Radiateur de chauffage d'encombrement reduit pour vehicule
JP5200711B2 (ja) * 2008-07-10 2013-06-05 パナソニック株式会社 蓄熱装置
JP2015092120A (ja) * 2013-11-08 2015-05-14 株式会社ケーヒン・サーマル・テクノロジー 凝縮器

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116813A (ja) * 1983-11-28 1985-06-24 Sankei Giken Kogyo Kk マニホ−ルド排気装置
FR2626662B1 (fr) * 1988-02-02 1991-08-16 Hutchinson Sa Dispositif d'assemblage pour un ensemble echangeur de chaleur/raccord tubulaire
FR2626660B1 (fr) * 1988-02-02 1990-07-06 Hutchinson Sa Dispositif d'assemblage pour un ensemble echangeur de chaleur/raccord tubulaire

Also Published As

Publication number Publication date
EP0570287A1 (fr) 1993-11-18
ES2086898T3 (es) 1996-07-01
DE69300938T2 (de) 1996-04-25
DE69300938D1 (de) 1996-01-18
FR2691241A1 (fr) 1993-11-19
JPH0626781A (ja) 1994-02-04
FR2691241B1 (fr) 1999-06-18

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