EP1231450A2 - Aluminium-Wärmeübertrager - Google Patents
Aluminium-Wärmeübertrager Download PDFInfo
- Publication number
- EP1231450A2 EP1231450A2 EP01128289A EP01128289A EP1231450A2 EP 1231450 A2 EP1231450 A2 EP 1231450A2 EP 01128289 A EP01128289 A EP 01128289A EP 01128289 A EP01128289 A EP 01128289A EP 1231450 A2 EP1231450 A2 EP 1231450A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- exchanger according
- fastening ring
- threaded
- aluminum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
-
- 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
- F28D1/03—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 plate-like or laminated conduits
- F28D1/0308—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other
- F28D1/0325—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
- F28D1/0333—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 plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
-
- 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
-
- 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
- F28F9/0256—Arrangements for coupling connectors with flow lines
-
- 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
- F28D2021/0089—Oil coolers
Definitions
- the invention relates to a heat exchanger, in particular one Flat tube oil cooler for motor vehicles, in soldered aluminum construction with Threaded connecting piece for the inlet and outlet of the to be cooled Medium, preferably gear oil.
- connection piece from two various materials, namely corrosion-resistant steel, that is Stainless steel for the thread area and solderable aluminum material for the Connection area exists, on the one hand, the desired Achieved corrosion resistance while maintaining the advantage that the connection piece together with the entire aluminum heat exchanger can be soldered in one operation.
- the Steel part and the aluminum part of the connecting piece are torsion-proof and tight connected with each other.
- solder connection between the aluminum mounting ring and the Aluminum heat exchangers made possible via a solder disk, that is a disk coated on both sides with a solder alloy from one Aluminum material or an aluminum alloy.
- a solder disk that is a disk coated on both sides with a solder alloy from one Aluminum material or an aluminum alloy.
- this solder disk for example by the outermost surface of the heat exchanger, i.e. its connection surface with Fastening ring, in turn is provided with a solder plating.
- a solderable sealant which is already before Soldering process is a circumferential in the steel body Cutting rib that digs into the softer aluminum material and thus already achieved a strong sealing effect.
- a solderable sealant also a high temperature resistant epoxy resin or ceramic adhesive in the Contact area of the aluminum and steel part may be provided, which is before installing the threaded bushing and the mounting ring in the Connection area of both parts is applied and then due to its High temperature resistance survives the soldering process without damage. On such epoxy resin can in addition to the cutting rib mentioned complete sealing may be provided.
- Sealants are applied after the soldering process, which is not is resistant to high temperatures and from the outside in the connection area from Steel and aluminum part is introduced.
- Fig. 1 shows a transmission oil cooler 1, which consists of a stack of individual flat tubes 2, which are closed at the end by a fold 3. Turbulence plates 4 are arranged within the flat tubes 2, which ensure swirling of the oil and thus improved heat transfer. Between the individual flat tubes 2, further turbulence plates 5 are provided, which improve the heat transfer on the outside, that is to say on the coolant side.
- the oil cooler 1 has two connecting pieces 6 and 7 which are intended for the inlet and the outlet of the oil, that is to say the medium to be cooled. Furthermore, these connecting pieces are used to fasten the oil cooler in the coolant box of a coolant cooler, not shown, as is known from the above-mentioned prior art.
- the dash-dotted line 8 marks the level at which the transmission oil cooler 1 rests and is fastened on the inside of the coolant box, not shown.
- the transmission oil thus enters the oil cooler, for example, through the inlet connection 6, flows through the individual flat tubes 2 in parallel and leaves the oil cooler 1 again through the outlet connection 7.
- the outside of the flat tubes 2 are acted upon by the coolant which flows through the coolant cooler.
- the parts 2, 3, 4, 5 consist of an aluminum alloy that is brazeable.
- the design of the nozzle 6 and 7 (both are the same) is described below with reference to FIG. 2.
- 1a and 1b show the transmission oil cooler 1 in a view from below or a side view.
- Fig. 2 shows a longitudinal section through the connector 6 in an enlarged view with part of the transmission oil cooler 1.
- the connector 6 is constructed in two parts, that is, it consists of a threaded connector 8, which is made of stainless steel, and a mounting ring 9, which is made of a solderable aluminum alloy. Both parts 8 and 9 are rotatably and tightly connected to each other, as will be explained in the following.
- a solder disk 12 is arranged, which consists of an aluminum alloy as the base material and is plated on both sides with a solder alloy. This solder disk 12 is provided for soldering the fastening ring 9 to the oil cooler 1.
- Other soldering agents would also be possible, e.g.
- the fastening ring 9 has an end face 13 with an annular groove 14, which serves to receive an O-ring 15. This end face 13 lies against the inside 16 of the plastic wall 17 (dashed line) of a coolant box (not shown) (the face 16 corresponds to plane 8 in FIG. 1).
- the connecting piece 6 has a threaded portion 18 which extends through an opening 19 in the wall 17 to the outside.
- a fastening nut 20 which fastens the oil cooler 1 to the wall 17 and at the same time seals it via the O-ring 15, is screwed over this threaded section 18.
- the part of the threaded section 18 protruding outward via the fastening nut 20 serves to fasten a pipe screw connection (not shown) for the supply or discharge of the gear oil.
- the serration 23 and 24 digs into the corresponding peripheral surfaces of the softer material aluminum, ie into the fastening ring 9 - this creates a rotationally fixed connection between the two parts which is capable of Torques occurring during assembly or disassembly to be transferred to the oil cooler 1 via the soldered connection.
- the two parts 8 and 9 must also be sealed in the area of the cylindrical seat 21 and 22. This is done by a peripheral cutting edge 25 shown in FIG. 3, which rises in the axial direction over a flat surface 26 of an annular collar 27. When parts 8 and 9 are joined together, this cutting edge 25 is pressed into the opposite surface of an annular step 28 on the fastening ring 9.
- a high-temperature-resistant sealant for. B. a ceramic adhesive can be applied, which experiences no impairment of its sealability due to its temperature resistance by the subsequent soldering process.
- a two-component or one-component epoxy resin can be applied as the sealant after the soldering process, in the region of a trough-shaped annular recess 29 which is located in the region of the cylindrical seat 22. Such a sealant is applied in liquid form, then penetrates into the cylindrical seat 22, then hardens and thus seals both parts 8 and 9.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
Description
- Fig. 1
- einen Flachrohr-Getriebeölkühler in einer Ansicht von vorn,
- Fig. 1a
- den Getriebeölkühler nach Fig. 1 in einer Ansicht von unten,
- Fig. 1b
- den Getriebeölkühler nach Fig. 1 in einer Ansicht von der Seite,
- Fig. 2
- einen Schnitt durch einen Anschlußstutzen des Getriebeölkühlers in vergrößerter Darstellung und
- Fig. 3
- ein Detail der Gewindebuchse mit Schneidrippe.
- 1
- Getriebeölkühler
- 2
- Flachrohre
- 3
- Falz
- 4, 5
- Turbulenzbleche
- 6, 7
- Anschlußstutzen
- 8
- Ebene (Innenseite des Kühlmittelkastens)
- 9
- Befestigungsring
- 10
- Stirnfläche des Anschlußstutzens 6
- 11
- Außenfläche des Ölkühlers 1
- 12
- Lotscheibe
- 13
- Stirnfläche von Befestigungsring 9
- 14
- Ringförmige Nut
- 15
- O-Ring
- 16
- Innenseite der Kunststoffwandung 17
- 17
- Kunststoffwandung
- 18
- Gewindeabschnitt
- 19
- Öffnung in der Wandung 17
- 20
- Befestigungsmutter
- 21, 22
- Zylindrischer Sitz
- 23, 24
- Kerbverzahnung
- 25
- Umlaufende Schneidkante
- 26
- Planfläche
- 27
- Ringförmiger Bund
- 27'
- Absatz
- 28
- Ringförmige Stufe
- 29
- Ringförmige Vertiefung
Claims (12)
- Wärmeübertrager, insbesondere Flachrohrölkühler für Kraftfahzeuge, in gelöteter Aluminium-Bauweise mit Gewindeanschlußstutzen für den Einund Auslaß des zu kühlenden Mediums, vorzugsweise Getriebeöl, dadurch gekennzeichnet , daß der Anschlußstutzen (6, 7) aus einem Edelstahlteil (8) mit Gewinde(18) und einem Aluminiumteil (9) besteht und über das Aluminiumteil (9) dicht mit dem Wärmeübertrager (1) verlötet ist.
- Wärmeübertrager nach Anspruch 1, dadurch gekennzeichnet, daß das Edelstahlteil aus einer Gewindebüchse (8) besteht, die drehfest und dicht mit dem Aluminiumteil (9) verbunden ist.
- Wärmeübertrager nach Anspruch 2, dadurch gekennzeichnet , daß die Gewindebüchse (8) einen ringförmigen Bund (27) aufweist und das Aluminiumteil als Befestigungsring (9) ausgebildet ist, der über einen zylindrischen Sitz (21) mit dem ringförmigen Bund (27) verbunden und über seine Stirnfläche (10) mit dem Wärmeübertrager (1) verlötet ist.
- Wärmeübertrager nach Anspruch 3, dadurch gekennzeichnet, daß der zylindrische Sitz (21) zwischen dem ringförmigen Bund (27) und dem Befestigungsring (9) als Kerbverzahnung bzw. Rändelung (23) ausgebildet sind.
- Wärmeübertrager nach Anspruch 3 oder 4, dadurch gekennzeichnet, daß der Befestigungsring (9) eine ringförmige Stufe (29) aufweist, die in einen korrespondieren Absatz (27') des ringförmigen Bundes (27) der Gewindebüchse (8) eingreift.
- Wärmeübertrager nach Anspruch 5, dadurch gekennzeichnet, daß die ringförmige Stufe (29) mit der Gewindebüchse (8) einen weiteren zylindrischen Sitz (22) bildet, der ebenfalls als Kerbverzahnung bzw. Rändelung (24) ausgebildet ist.
- Wärmeübertrager nach einem der Ansprüche 2 - 6, dadurch gekennzeichnet, daß das Aluminiumteil (9) bzw. der Befestigungsring mittels einer Lotscheibe (12) mit dem Wärmeübertrager (1) verlötet ist.
- Wärmeübertrager nach einer dem Ansprüche 2 - 7, dadurch gekennzeichnet , daß der Befestigungsring (9) und die Gewindebüchse (8) in ihrem Kontaktbereich (21, 22) durch mindestens ein Dichtmittel (25) abgedichtet sind.
- Wärmeübertrager nach Anspruch 7, dadurch gekennzeichnet, daß das Dichtmittel lötbar ist.
- Wärmeübertrager nach Anspruch 9, dadurch gekennzeichnet, daß das Dichtmittel als umlaufende Schneidrippe (25) auf einer Planfläche (26) der Gewindebüchse (8) ausgebildet ist, die in eine Planfläche des Befestigungsringes (9) eingreift.
- Wärmeübertrager nach Anspruch 9, dadurch gekennzeichnet, daß das Dichtmittel ein hochtemperaturbeständiges Epoxydharz auf Keramikbasis ist, welches im Kontaktbereich (21, 22) zwischen Gewindebüchse (8) und Befestigungsring (9) aufgebracht ist.
- Wärmeübertrager nach Anspruch 8, dadurch gekennzeichnet, daß das Dichtmittel ein aushärtendes Epoxydharz ist, welches nach dem Lötprozeß aufgebracht wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10106510A DE10106510B4 (de) | 2001-02-13 | 2001-02-13 | Aluminium-Wärmeübertrager |
DE10106510 | 2001-02-13 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1231450A2 true EP1231450A2 (de) | 2002-08-14 |
EP1231450A3 EP1231450A3 (de) | 2004-08-11 |
EP1231450B1 EP1231450B1 (de) | 2009-01-28 |
Family
ID=7673793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01128289A Expired - Lifetime EP1231450B1 (de) | 2001-02-13 | 2001-11-29 | Aluminium-Wärmeübertrager |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1231450B1 (de) |
AT (1) | ATE422040T1 (de) |
DE (2) | DE10106510B4 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010105689A2 (de) * | 2009-03-20 | 2010-09-23 | A-Heat Allied Heat Exchange Technology Ag | Verbindungsanschluss, wärmetauscherblock, sowie ein verfahren zur herstellung eines wärmetauscherblocks |
CN102161151A (zh) * | 2010-02-17 | 2011-08-24 | (株)韩国冷却器 | 自动变速器用油冷却器制造方法 |
CN103047532A (zh) * | 2012-12-14 | 2013-04-17 | 黄亚光 | 一种机油冷却器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005012082A1 (de) * | 2005-03-16 | 2006-09-21 | Modine Manufacturing Co., Racine | Wärmetauscher, insbesondere Kühlflüssigkeitskühler |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121790A (en) | 1986-12-19 | 1992-06-16 | Blackstone Sweden Ab | Heat exchanger |
EP0866300A2 (de) | 1997-03-18 | 1998-09-23 | Behr GmbH & Co. | Getriebeölkühler |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4585255A (en) * | 1983-08-01 | 1986-04-29 | Universal Enterprises Inc. | Heavy duty tube coupling |
DE3602891A1 (de) * | 1986-01-31 | 1987-08-06 | Sueddeutsche Kuehler Behr | Waermetauscher fuer kraftfahrzeuge |
JPH0748002B2 (ja) * | 1989-09-12 | 1995-05-24 | 松下電器産業株式会社 | 気化器 |
US5203832A (en) * | 1989-11-17 | 1993-04-20 | Long Manufacturing Ltd. | Circumferential flow heat exchanger |
AT405149B (de) * | 1995-02-06 | 1999-05-25 | Vaillant Gmbh | Verfahren zum anbringen eines korrosionsbeständigen anschlussnippels |
DE19858150C1 (de) * | 1998-12-16 | 2000-06-15 | Aluplan Heiztechnik Gmbh & Co | Verfahren zum Längspreßverbinden von Aluminium-Heizkörperteilen und Anschlußstutzen zur Verwendung bei dem Verfahren |
-
2001
- 2001-02-13 DE DE10106510A patent/DE10106510B4/de not_active Expired - Fee Related
- 2001-11-29 AT AT01128289T patent/ATE422040T1/de not_active IP Right Cessation
- 2001-11-29 DE DE50114684T patent/DE50114684D1/de not_active Expired - Lifetime
- 2001-11-29 EP EP01128289A patent/EP1231450B1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5121790A (en) | 1986-12-19 | 1992-06-16 | Blackstone Sweden Ab | Heat exchanger |
EP0866300A2 (de) | 1997-03-18 | 1998-09-23 | Behr GmbH & Co. | Getriebeölkühler |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010105689A2 (de) * | 2009-03-20 | 2010-09-23 | A-Heat Allied Heat Exchange Technology Ag | Verbindungsanschluss, wärmetauscherblock, sowie ein verfahren zur herstellung eines wärmetauscherblocks |
WO2010105689A3 (de) * | 2009-03-20 | 2011-04-21 | A-Heat Allied Heat Exchange Technology Ag | Verbindungsanschluss, wärmetauscherblock, sowie ein verfahren zur herstellung eines wärmetauscherblocks |
CN102161151A (zh) * | 2010-02-17 | 2011-08-24 | (株)韩国冷却器 | 自动变速器用油冷却器制造方法 |
CN103047532A (zh) * | 2012-12-14 | 2013-04-17 | 黄亚光 | 一种机油冷却器 |
Also Published As
Publication number | Publication date |
---|---|
EP1231450A3 (de) | 2004-08-11 |
ATE422040T1 (de) | 2009-02-15 |
DE50114684D1 (de) | 2009-03-19 |
DE10106510A1 (de) | 2002-08-29 |
EP1231450B1 (de) | 2009-01-28 |
DE10106510B4 (de) | 2009-12-10 |
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