EP1687579B1 - Charge-air/coolant cooler - Google Patents

Charge-air/coolant cooler Download PDF

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Publication number
EP1687579B1
EP1687579B1 EP04797760A EP04797760A EP1687579B1 EP 1687579 B1 EP1687579 B1 EP 1687579B1 EP 04797760 A EP04797760 A EP 04797760A EP 04797760 A EP04797760 A EP 04797760A EP 1687579 B1 EP1687579 B1 EP 1687579B1
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EP
European Patent Office
Prior art keywords
coolant
charge
air
panels
outlet
Prior art date
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Active
Application number
EP04797760A
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German (de)
French (fr)
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EP1687579A1 (en
Inventor
Daniel Hendrix
Florian Moldovan
Jürgen Wegner
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
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Behr GmbH and Co KG
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Publication of EP1687579A1 publication Critical patent/EP1687579A1/en
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Classifications

    • 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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • F28D2021/0082—Charged air coolers

Definitions

  • the invention relates to a charge air / coolant radiator, in disk construction according to the preamble of claim 1.
  • a charge air / coolant cooler provided in disk construction, with a plurality of disks, wherein two adjacent disks a gap define, which is flowed through by coolant, and in each case one for the discs common coolant inlet and coolant outlet, wherein at least two coolant channels per coolant inlet and outlet are provided.
  • the coolant channels are preferably formed by in particular aligned apertures in the individual discs.
  • charge air / coolant radiator allows a good distribution of the heat transfer medium on the relevant for the heat transfer surface of the individual discs, which form the charge air / coolant radiator.
  • the uniform flow distribution reduces the boiling problem in charge air / coolant coolers used in such critical areas.
  • the distribution of the coolant is supported. If the discs are further formed axially symmetric with respect to their transverse axis, the assembly is simplified.
  • the branching and / or the merging are preferably circular-arc-shaped, so that a space-saving construction or the like around the individual discs together holding bolts. is possible.
  • a bend of 30 ° to 90 °, as seen in the flow direction, is preferably provided, wherein the forked part of the branching or merging is aligned parallel to the disks.
  • the coolant inlet entering two coolant channels after the branching preferably runs parallel to the coolant channels, while the two-part part of the branching is preferably arranged in a plane lying perpendicular thereto.
  • the coolant outlet which merges into the merge from two coolant channels preferably runs parallel to the coolant channels, while the two-part part of the branch is preferably arranged in a plane lying perpendicular thereto.
  • the supply can also be effected by means of two individual, separately formed tubes which are connected to one another via a Y-shaped connecting piece.
  • a mixture with water and glycol is preferably used as the heat transfer medium (coolant).
  • Coolant discs 2 Serving as a heat exchanger between charge air and coolant charge air / coolant radiator 1 has a plurality of stacked coolant discs 2.
  • two inlet openings 3 and two outlet openings 4 are provided in each coolant disc 2, is supplied by the heat transfer medium as coolant to the interstices of the coolant disks 2 and discharged from it.
  • the flow direction is illustrated in the figures by arrows.
  • the coolant spreads after entering through the inlet openings 3 over the entire width of the interstices of the coolant disks 2 and flows uniformly in the direction of the outlet openings 4 (see Fig.
  • the openings 3 and 4 of the stacked coolant disks 2 form coolant channels 5 and 6.
  • the areas of the openings 3 and 4 are formed correspondingly raised, so that there is sufficient space for the charge air to flow through between the coolant disks 2 and can be cooled.
  • the two coolant channels 5 begin - seen in the flow direction of the coolant - at a junction 7, which has a circular arc-shaped bifurcation 8 and a centrally arranged in the arc thereof, arranged parallel to the coolant channels 5 coolant inlet 9.
  • the coolant supplied through the coolant inlet 9 is divided equally between the two coolant channels 5.
  • the exit is formed.
  • the two coolant channels 6 end with a combination 10, which is formed according to the branch 7 and has a coolant outlet 11.

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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)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Non-Volatile Memory (AREA)

Abstract

The invention relates to a heat exchanger, especially a charge-air/coolant cooler (1), consisting of a plurality of disks (2), two adjacent disks (2) defining an intermediate region through which a heat exchanging medium flows. Said heat exchanger also comprises a heat exchanging medium inlet (9) and a heat exchanging medium outlet (11), that are common to the disks (2). At least two heat exchanging medium channels (5, 6) are respectively provided for the heat exchanging medium inlet and the heat exchanging medium outlet (9 and 11).

Description

Die Erfindung betrifft einen Ladeluft-/Kühlmittel-Kühler, in Scheibenbauweise gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a charge air / coolant radiator, in disk construction according to the preamble of claim 1.

Bei herkömmlichen Ladeluft-/Kühlmittel-Kühlern in Scheibenbauweise wird die Ladeluft und das Kühlmittel über je einen einzigen Stutzen in die Kühlmittelscheiben eingebracht. Ein derartiger Ladeluft-/Kühlmittel-Kühler ist aus der DE 195 11 991 bekannt und lässt insbesondere in Hinblick auf die Kühlleistung noch Wünsche offen.Conventional charge air / coolant coolers in disc design, the charge air and the coolant is introduced via a single nozzle in the coolant discs. Such a charge air / coolant radiator is from the DE 195 11 991 known and leaves in particular with regard to the cooling performance still wishes.

Es ist Aufgabe der Erfindung, einen verbesserten Ladeluft-/Kühlmittel-kühler zur Verfügung zu stellen.It is an object of the invention to provide an improved charge air / coolant radiator available.

Diese Aufgabe wird gelöst durch einen Ladeluft-/Kühlmittel-kühler mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen sind Gegenstand der Unteransprüche.This object is achieved by a charge air / coolant radiator with the features of claim 1. Advantageous embodiments are the subject of the dependent claims.

Erfindungsgemäß ist ein Ladeluft-/Kühlmittel-Kühler, in Scheibenbauweise vorgesehen, mit einer Mehrzahl von Scheiben, wobei zwei benachbarte Scheiben einen Zwischenraum definieren, der von Kühlmittel durchströmt ist, und je einem für die Scheiben gemeinsamen Kühlmittel Eintritt und Kühlmittel Austritt, wobei mindestens zwei Kühlmittel Kanäle je Kühlmittel Ein- und -Austritt vorgesehen sind. Die Kühlmittel Kanäle werden dabei vorzugsweise durch insbesondere miteinander fluchtende Durchbrüche in den einzelnen Scheiben gebildet.According to the invention, a charge air / coolant cooler, provided in disk construction, with a plurality of disks, wherein two adjacent disks a gap define, which is flowed through by coolant, and in each case one for the discs common coolant inlet and coolant outlet, wherein at least two coolant channels per coolant inlet and outlet are provided. The coolant channels are preferably formed by in particular aligned apertures in the individual discs.

Ein derartiger, erfindungsgemäß ausgebildeter Ladeluft-/Kühlmittel-Kühler ermöglicht eine gute Verteilung des Wärmeübertragermediums über die für die Wärmeübertragung relevante Fläche der einzelnen Scheiben, welche den Ladeluft-/Kühlmittel-Kühler bilden. Durch die gleichmäßige Strömungsverteilung verringert sich die Siedeproblematik bei in derart kritischen Bereichen eingesetzten Ladeluft-/Kühlmittel-Kühler.Such, designed according to the invention charge air / coolant radiator allows a good distribution of the heat transfer medium on the relevant for the heat transfer surface of the individual discs, which form the charge air / coolant radiator. The uniform flow distribution reduces the boiling problem in charge air / coolant coolers used in such critical areas.

Durch eine hinsichtlich der Kühlmittel Kanäle achssymmetrische Ausgestaltung der Scheiben bezüglich ihrer Längsachse wird die Verteilung des Kühlmittels unterstützt. Sind die Scheiben ferner achssymmetrisch bezüglich ihrer Querachse ausgebildet, so vereinfacht sich die Montage.By an embodiment of the discs with respect to the axis of the coolant channels with respect to their longitudinal axis, the distribution of the coolant is supported. If the discs are further formed axially symmetric with respect to their transverse axis, the assembly is simplified.

Es ist ein einzige Kühlmittel-Eintritt und ggs. ein Kühlmittel Austritt vorgesehen, der eine Verzweigung bzw. Zusammenführung aufweist. Dies ermöglicht einen relativ einfachen Aufbau bei verbessertem Wärmeübergang auf Grund der besseren Strömungsverteilung.It is a single coolant entry and ggs. a coolant outlet is provided which has a junction or merge. This allows a relatively simple structure with improved heat transfer due to the better flow distribution.

Die Verzweigung und/oder die Zusammenführung sind vorzugsweise kreisbogenförmig ausgebildet, so dass ein raumsparender Aufbau um die die einzelnen Scheiben zusammenhaltenden Bolzen o.ä. möglich ist.The branching and / or the merging are preferably circular-arc-shaped, so that a space-saving construction or the like around the individual discs together holding bolts. is possible.

Im Bereich der Verzweigung und/oder der Zusammenführung ist - in Strömungsrichtung gesehen - bevorzugt einen Knick von 30° bis 90° vorgesehen, wobei der gegabelte Teil der Verzweigung bzw. Zusammenführung parallel zu den Scheiben ausgerichtet ist.In the area of the branching and / or the merging, a bend of 30 ° to 90 °, as seen in the flow direction, is preferably provided, wherein the forked part of the branching or merging is aligned parallel to the disks.

Der in zwei Kühlmittel Kanäle nach der Verzweigung übergehend Kühlmittel-Eintritt verlauft bevorzugt parallel zu den Kühlmittel-Kanälen, während der zweiteilige Teil der Verzweigung bevorzugt in einer senkrecht hierzu liegenden Ebene angeordnet ist. Der aus zwei Kühlmittel-Kanälen in die Zusammenführung übergehende Kühlmittel-Austritt verläuft bevorzugt parallel zu den Kühlmittel-Kanälen, während der zweiteilige Teil der Verzweigung bevorzugt in einer senkrecht hierzu liegenden Ebene angeordnet ist. Dies ermöglicht einen kompakten und raumsparenden Aufbau des Ladeluft-/Kühlmittel-Kühlers Alternativ kann die Zuführung auch mittels zweier einzelner, getrennt ausgebildeter Rohre erfolgen, die über ein Y-förmiges Verbindungsstück miteinander verbunden sind.The coolant inlet entering two coolant channels after the branching preferably runs parallel to the coolant channels, while the two-part part of the branching is preferably arranged in a plane lying perpendicular thereto. The coolant outlet which merges into the merge from two coolant channels preferably runs parallel to the coolant channels, while the two-part part of the branch is preferably arranged in a plane lying perpendicular thereto. This allows a compact and space-saving design of the charge air / coolant radiator Alternatively, the supply can also be effected by means of two individual, separately formed tubes which are connected to one another via a Y-shaped connecting piece.

Zur Kühlung der Ladeluft wird vorzugsweise ein Gemisch mit Wasser und Glykol als Wärmeübertragermedium (Kühlmittel) verwendet.For cooling the charge air, a mixture with water and glycol is preferably used as the heat transfer medium (coolant).

Im Folgenden wird die Erfindung anhand eines Ausführungsbeispiels unter Bezugnahme auf die Zeichnung im Einzelnen erläutert. In der Zeichnung zeigen:

Fig. 1
eine schematisierte perspektivische Explosionsdarstellung eines Ladeluft-/Kühlmittel-Kühlers in Scheibenbauweise gemäß dem Ausführungsbeispiel,
Fig. 2
eine perspektivische Darstellung des Ladeluft-/Kühlmittel- Kühlers von Fig. 1,
Fig. 3
einen Schnitt durch den Ladeluft-/Kühlmittel-Kühler von Fig. 1 entlang Linie III-III in Fig. 4, und
Fig. 4
einen Schnitt durch den Ladeluft-/Kühlmittel-Kühler von Fig. 1 entlang Linie IV-IV in Fig. 3.
In the following the invention with reference to an embodiment with reference to the drawings will be explained in detail. In the drawing show:
Fig. 1
1 is a schematic perspective exploded view of a charge air / coolant cooler in a disk construction according to the exemplary embodiment,
Fig. 2
a perspective view of the charge air / coolant radiator of Fig. 1 .
Fig. 3
a section through the charge air / coolant radiator of Fig. 1 along line III-III in Fig. 4 , and
Fig. 4
a section through the charge air / coolant radiator of Fig. 1 along line IV-IV in Fig. 3 ,

Ein als Wärmeübertrager zwischen Ladeluft und Kühlmittel dienender Ladeluft-/Kühlmittel-Kühler 1 weist eine Mehrzahl von aufeinandergestapelten Kühlmittel-Scheiben 2 auf. Hierbei sind in jeder Kühlmittel-Scheibe 2 je zwei Eintrittsöffnungen 3 und zwei Austrittsöffnungen 4 vorgesehen, durch die als Wärmeübertragermedium Kühlmittel den Zwischenräumen der Kühlmittel-Scheiben 2 zugeführt bzw. von ihm abgeführt wird. Die Strömungsrichtung ist in den Figuren durch Pfeile verdeutlicht. Dabei verbreitet sich das Kühlmittel nach dem Eintritt durch die Eintrittsöffnungen 3 über die gesamte Breite der Zwischenräume der Kühlmittel-Scheiben 2 und strömt gleichmäßig in Richtung der Austrittsöffnungen 4 (siehe Fig. 3), so dass die gesamte Länge und Breite der Zwischenräume zwischen den Ein- und Austrittsöffnungen 3 und 4 gleichmäßig durchströmt wird und ein optimaler Wärmeübergang von der zu kühlenden Ladeluft, die zwischen den einzelnen Kühlmittel-Scheiben 2 den Ladeluft-/Kühlmittel-Kühler 1 durchströmt, erfolgen kann.Serving as a heat exchanger between charge air and coolant charge air / coolant radiator 1 has a plurality of stacked coolant discs 2. In this case, two inlet openings 3 and two outlet openings 4 are provided in each coolant disc 2, is supplied by the heat transfer medium as coolant to the interstices of the coolant disks 2 and discharged from it. The flow direction is illustrated in the figures by arrows. In this case, the coolant spreads after entering through the inlet openings 3 over the entire width of the interstices of the coolant disks 2 and flows uniformly in the direction of the outlet openings 4 (see Fig. 3 ), so that the entire length and width of the spaces between the inlet and outlet openings 3 and 4 flows through uniformly and optimum heat transfer from the charge air to be cooled, which flows through the charge air / coolant radiator 1 between the individual coolant discs 2 , can be done.

Die Öffnungen 3 und 4 der aufeinandergestapelten Kühlmittel-Scheiben 2 bilden Kühlmittel-Kanäle 5 und 6. Hierfür sind die Bereiche der Öffnungen 3 und 4 entsprechend erhaben ausgebildet, so dass ausreichend Zwischenraum vorhanden ist, damit die Ladeluft zwischen den Kühlmittel-Scheiben 2 durchströmen und gekühlt werden kann.The openings 3 and 4 of the stacked coolant disks 2 form coolant channels 5 and 6. For this purpose, the areas of the openings 3 and 4 are formed correspondingly raised, so that there is sufficient space for the charge air to flow through between the coolant disks 2 and can be cooled.

Die beiden Kühlmittel-Kanäle 5 beginnen - in Strömungsrichtung des Kühlmittels gesehen - an einer Verzweigung 7, die eine kreisbogenförmige Gabelung 8 und einen zentral im Kreisbogen derselben angeordneten, parallel zu den Kühlmittel-Kanälen 5 angeordneten Kühlmittel-Eintritt 9 aufweist. So wird das durch den Kühlmittel-Eintritt 9 zugeführte Kühlmittel gleichmäßig auf die beiden Kühlmittel-Kanäle 5 aufgeteilt.The two coolant channels 5 begin - seen in the flow direction of the coolant - at a junction 7, which has a circular arc-shaped bifurcation 8 and a centrally arranged in the arc thereof, arranged parallel to the coolant channels 5 coolant inlet 9. Thus, the coolant supplied through the coolant inlet 9 is divided equally between the two coolant channels 5.

Entsprechend dem Eintritt ist der Austritt ausgebildet. So enden die beiden Kühlmittel-Kanäle 6 mit einer Zusammenführung 10, die entsprechend der Verzweigung 7 ausgebildet ist und einen Kühlmittel-Austritt 11 aufweist.According to the entry, the exit is formed. Thus, the two coolant channels 6 end with a combination 10, which is formed according to the branch 7 and has a coolant outlet 11.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Ladeluft-/Kühlmittel-KühlerCharge-air / coolant cooler
22
Kühlmittel-ScheibeCoolant disc
33
Eintrittsöffnunginlet opening
44
Austrittsöffnungoutlet opening
55
Kühlmittel-KanalCoolant channel
66
Kühlmitfiel-KanalKühlmitfiel Channel
77
Verzweigungbranch
88th
Gabelungcrotch
99
Kühlmittel-EintrittCoolant inlet
1010
Zusammenführungtogether
1111
Kühlmittel-AustrittCoolant outlet

Claims (9)

  1. Charge-air/coolant cooler (1) with a panel structure having a plurality of panels (2) such that adjacent panels (2) delimit an intermediate space through which a coolant flows, in each case with a coolant inlet (9) and a coolant outlet (11), at least two ducts (5, 6) being provided for each coolant inlet and outlet (9 and 11 respectively), characterised in that the coolant inlet (9) has a branching section (7) to carry coolant to at least two coolant ducts (5) and the said branching section is arranged on the inflow side before the panels (2), the panels (2) each having two inlet openings (3) and two outlet openings (4) through which, respectively, coolant is admitted into the intermediate space between the panels (2) and led away therefrom, the said inlet openings (3) and outlet openings (4) being formed identically, and the panels (2) have a charge-air inlet opening and a charge-air outlet opening such that a first distance between the mid-point of the charge-air inlet opening and the mild-point of the charge-air outlet opening is larger than a shortest second distance between the mid-point of an inlet opening (3) and the mid-point of an outlet opening (4).
  2. Charge-air/coolant cooler according to Claim 1, characterised in that the coolant ducts (5, 6) extend perpendicularly to the plane of the panels (2).
  3. Charge-air/coolant cooler according to Claims 1 or 2, characterised in that in relation to the coolant ducts (5, 6) the panels (2) are of axially symmetrical structure relative to their longitudinal axis.
  4. Charge-air/coolant cooler according to any of the preceding claims, characterised in that in relation to the coolant ducts (5, 6) the panels (2) are of axially symmetrical structure relative to their transverse axis.
  5. Charge-air/coolant cooler according to any of the preceding claims, characterised in that the coolant outlet (11) has a branching section (7) or a converging section (10).
  6. Charge-air/coolant cooler according to Claim 5, characterised in that the branching and/or converging section (7 and 10) is in the shape of a circular curve.
  7. Charge-air/coolant cooler either of Claims 5 or 6, characterised in that viewed in the flow direction, a bend of 30° to 90° is provided in the area of the branching section (7) and/or the converging section (10).
  8. Charge-air/coolant cooler according to any of Claims 5 to 7, characterised in that the inlet (9) that diverges into two coolant ducts (5) after the branching section (7) extends parallel to the coolant ducts (5), whereas the two-part portion of the branching section (7) is arranged in a plane perpendicular thereto.
  9. Charge-air/coolant cooler according to any of Claims 5 to 8, characterised in that the outlet (11) that merges from the coolant ducts (6) into the converging section (10) extends parallel to the coolant ducts (6), whereas the two-part portion of the branching section (7) is arranged in a plane perpendicular thereto.
EP04797760A 2003-11-10 2004-11-10 Charge-air/coolant cooler Active EP1687579B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10352880A DE10352880A1 (en) 2003-11-10 2003-11-10 Heat exchanger, in particular charge air / coolant radiator
PCT/EP2004/012695 WO2005045343A1 (en) 2003-11-10 2004-11-10 Heat exchanger, especially charge-air/coolant cooler

Publications (2)

Publication Number Publication Date
EP1687579A1 EP1687579A1 (en) 2006-08-09
EP1687579B1 true EP1687579B1 (en) 2008-10-29

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Country Status (8)

Country Link
US (1) US7721795B2 (en)
EP (1) EP1687579B1 (en)
JP (1) JP2007510882A (en)
CN (1) CN1875236B (en)
AT (1) ATE412864T1 (en)
BR (1) BRPI0415871B1 (en)
DE (2) DE10352880A1 (en)
WO (1) WO2005045343A1 (en)

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ATE412864T1 (en) 2008-11-15
DE502004008366D1 (en) 2008-12-11
CN1875236B (en) 2010-10-13
DE10352880A1 (en) 2005-06-09
US20070131402A1 (en) 2007-06-14
JP2007510882A (en) 2007-04-26
CN1875236A (en) 2006-12-06
BRPI0415871A (en) 2007-01-09
BRPI0415871B1 (en) 2018-09-25
EP1687579A1 (en) 2006-08-09
US7721795B2 (en) 2010-05-25
WO2005045343A1 (en) 2005-05-19

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