EP1762804A1 - Refrigerant condenser - Google Patents
Refrigerant condenser Download PDFInfo
- Publication number
- EP1762804A1 EP1762804A1 EP05019815A EP05019815A EP1762804A1 EP 1762804 A1 EP1762804 A1 EP 1762804A1 EP 05019815 A EP05019815 A EP 05019815A EP 05019815 A EP05019815 A EP 05019815A EP 1762804 A1 EP1762804 A1 EP 1762804A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- refrigerant condenser
- refrigerant
- collector
- collecting body
- height
- 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.)
- Ceased
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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
- 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
-
- 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
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
- F28F9/002—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures
-
- 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
-
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/30—Safety or protection arrangements; Arrangements for preventing malfunction for preventing vibrations
Definitions
- the invention relates to a refrigerant condenser according to the preamble of claim 1.
- DE 44 02 927 A1 describes a condenser for an air conditioning system of a vehicle, in which a number of flat tubes extending between two substantially vertical, mutually parallel manifolds, wherein a collector adjacent to one of the manifolds is formed as a unit with this. The collector terminates flush with the ends of the manifold, wherein the manifold in turn is flush with the through the plurality of flat tubes, which define the height of the refrigerant condenser closes.
- the refrigerant condenser excess length of the collector By the overall height of the refrigerant condenser excess length of the collector, it is possible to maintain a predetermined amount of refrigerant even if the flat tubes are reduced in number and increased to maintain the same heat exchanger surface in length.
- the use of a smaller number of refrigerant-carrying pipes leads to a cost reduction; the use of longer refrigerant tubes requires the use of shorter retaining clips for a given heat exchanger surface, resulting in fewer problems with vibrations of the attached refrigerant condenser.
- the collector terminates at one end substantially flush with the end of its associated collecting body. This ensures that only on one side a supernatant of the collector over the height of the refrigerant condenser, which allows better housing in a given space in the majority of cases.
- a width of the refrigerant condenser defined by the distance between the collecting bodies exceeds its overall height by at least twice, in particular approximately 2.5 times.
- the overall length of the collector exceeds the height of the refrigerant condenser by at least 5%. This is the same Refrigerant quantity achieved a significant improvement in the geometry of a refrigerant condenser over the prior art.
- the refrigerant condenser according to FIG. 1 has a first lateral collecting body 1 and a second lateral collecting body 2, wherein the collecting bodies 1, 2 are arranged substantially parallel to one another and have the same length.
- the collecting bodies 1, 2 may be referred to as tubular and have a substantially circular cross-section.
- a height h of the refrigerant condenser is defined by the largest distance of the flat tubes 3. Generally, the height h is understood to mean the actual height in the area of the heat exchanger surface, even if, for example, end-side structures should not be designed as flat tubes but as protective covers.
- Per se known subdivisions within the collecting body 1, 2 cause a diversion of the refrigerant by respective groups of flat tubes 3.
- a feed pipe 4 and a discharge nozzle 5 is arranged for supplying and discharging the refrigerant.
- 1 holders 6 are attached to the first collecting body for fixing the refrigerant condenser.
- a collector 7 is provided parallel to and adjacent to this, which is formed substantially as a hollow body and in a known manner refrigerant connections to the collecting body 2 (not shown).
- the collector 7 can be equipped with a replaceable, elongate filter cartridge (not shown), which also contains a desiccant.
- the collector 7 is provided with a closure device 8.
- the collector 7 has a length I.
- the length I exceeds the height h of the refrigerant condenser by the length d. In the present case, this length d is more than 6% of the height h.
- the collector 7 is flush with the collecting body 2 and the flat tubes 3, whereas it projects beyond the said length d at its upper end.
- conditional on the collecting body 1, 2 and the length of the flat tubes 3 structural width b of the refrigerant condenser is presently about 2.5 times the height h.
- brackets 9 are provided to the brackets to keep the refrigerant condenser at its two short end faces safely.
- the relative shortness of these end faces compared to the width b leads to a particularly safe and low-vibration mounting of the refrigerant condenser with only a few attachment points.
- FIG. 3 illustrates the geometric change from the prior art (upper drawing), wherein the rectangular heat exchanger surface F in the lower drawing according to the invention is the same as that in the upper example.
- given exchange surface F is required by the reduction in the height h by the amount d an increase in the structural width b by the amount s.
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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)
Abstract
Description
Die Erfindung betrifft einen Kältemittelkondensator nach dem Oberbegriff des Anspruchs 1.The invention relates to a refrigerant condenser according to the preamble of
Allgemein bestehen beim Bau von Kältemittelkondensatoren für Klimaanlagen von Kraftfahrzeugen besonders hohe Anforderungen an die Bauraumoptimierung sowie die Integration von Bauteilen zu einer gemeinsamen Einheit.In general, in the construction of refrigerant condensers for air conditioning systems of motor vehicles, particularly high demands are placed on the space optimization and the integration of components into a common unit.
Es ist die Aufgabe der Erfindung, einen eingangs genannten Kältemittelkondensator anzugeben, der bei gegebener Kältemittelmenge und Kühlleistung eine besonders angepasste Bauform aufweist.It is the object of the invention to provide a refrigerant condenser mentioned above, which has a particularly adapted design for a given amount of refrigerant and cooling capacity.
Diese Aufgabe wird für einen eingangs genannten Kältemittelkondensator erfindungsgemäß mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst.This object is achieved according to the invention for a refrigerant condenser mentioned above with the characterizing features of
Durch die die Bauhöhe des Kältemittelkondensators übersteigende Baulänge des Sammlers ist es möglich, eine vorgegebene Kältemittelmenge auch dann beizubehalten, wenn die Flachrohre in ihrer Anzahl reduziert und zur Beibehaltung der gleichen Wärmetauscherfläche in ihrer Länge vergrößert werden. Die Verwendung einer kleineren Anzahl von Kältemittel führenden Rohren führt zu einer Kostenreduktion; die Verwendung längerer Kältemittelrohre bedingt bei gegebener Wärmetauscherfläche die Verwendung kürzerer Halteklammern, so dass weniger Probleme mit Vibrationen des befestigten Kältemittelkondensators entstehen.By the overall height of the refrigerant condenser excess length of the collector, it is possible to maintain a predetermined amount of refrigerant even if the flat tubes are reduced in number and increased to maintain the same heat exchanger surface in length. The use of a smaller number of refrigerant-carrying pipes leads to a cost reduction; the use of longer refrigerant tubes requires the use of shorter retaining clips for a given heat exchanger surface, resulting in fewer problems with vibrations of the attached refrigerant condenser.
In bevorzugter Ausführung schließt der Sammler an einem Ende im Wesentlichen bündig mit dem Ende des ihm zugeordneten Sammelkörpers ab. Hierdurch wird erreicht, dass lediglich auf einer Seite ein Überstand des Sammlers über die Bauhöhe des Kältemittelkondensators besteht, was in der Mehrzahl der Fälle eine bessere Unterbringung in gegebenem Bauraum ermöglicht.In a preferred embodiment, the collector terminates at one end substantially flush with the end of its associated collecting body. This ensures that only on one side a supernatant of the collector over the height of the refrigerant condenser, which allows better housing in a given space in the majority of cases.
Besonders bevorzugt übersteigt eine durch den Abstand der Sammelkörper definierte Breite des Kältemittelkondensators seine Bauhöhe um zumindest das zweifache, insbesondere etwa das 2,5-fache. Durch diese gegenüber dem bekannten Stand der Technik extreme Auslegung der Seitenverhältnisse eines Kältemittelkondensators wird eine besonders große Verringerung der Anzahl der Rohre erreicht.Particularly preferably, a width of the refrigerant condenser defined by the distance between the collecting bodies exceeds its overall height by at least twice, in particular approximately 2.5 times. As a result of this extreme design of the aspect ratios of a refrigerant condenser compared with the known prior art, a particularly large reduction in the number of tubes is achieved.
Weiterhin bevorzugt übersteigt die Baulänge des Sammlers die Bauhöhe des Kältemittelkondensators um zumindest 5%. Hierdurch ist bei gleicher Kältemittelmenge eine signifikante Verbesserung der Geometrie eines Kältemittelkondensators gegenüber dem bekannten Stand der Technik erreicht.Further preferably, the overall length of the collector exceeds the height of the refrigerant condenser by at least 5%. This is the same Refrigerant quantity achieved a significant improvement in the geometry of a refrigerant condenser over the prior art.
Weitere Vorteile und Merkmale ergeben sich aus den nachfolgend beschriebenen Ausführungsbeispiel sowie aus den abhängigen Ansprüchen.
- Fig. 1
- zeigt eine maßstabsgerechte Draufsicht von vorne auf einen erfindungsgemäßen Käftemittelkpndensator.
- Fig. 2
- zeigt eine räumliche Darstellung eines Ausschnitts des Kältemittelkondensators aus Fig. 1.
- Fig. 3
- zeigt eine schematisierte vergleichende Darstellung eines Kältemittelkondensators nach dem Stand der Technik (Oberbezeichnung) und eines erfindungsgemäßen Kältemittelkondensators (Unterbezeichnung).
- Fig. 1
- shows a true-to-scale plan view from the front of a Käftemittelkpndensator invention.
- Fig. 2
- shows a spatial representation of a section of the refrigerant condenser of FIG. 1st
- Fig. 3
- shows a schematic comparative representation of a refrigerant condenser according to the prior art (upper term) and a refrigerant condenser (sub-designation) according to the invention.
Der Kältemittelkondensator gemäß Fig. 1 hat einen ersten seitlichen Sammelkörper 1 und einen zweiten seitlichen Sammelkörper 2, wobei die Sammelkörper 1, 2 im Wesentlichen parallel zueinander angeordnet sind und die gleiche Länge aufweisen. Die Sammelkörper 1, 2 können als rohrförmig bezeichnet werden und haben einen im Wesentlichen kreisförmigen Querschnitt.The refrigerant condenser according to FIG. 1 has a first
Eine Anzahl von insgesamt 31 Flachrohren 3, die zur Führung eines Kältemittels ausgebildet sind, verbinden den ersten Sammelkörper 1 mit dem zweiten Sammelkörper 2. Eine Bauhöhe h des Kältemittelkondensators ist durch den größten Abstand der Flachrohre 3 definiert. Allgemein wird unter der Bauhöhe h die tatsächliche Bauhöhe im Bereich der Wärmetauscherfläche verstanden, auch wenn zum Beispiel endseitige Strukturen nicht als Flachrohre sondern als schützende Abdeckungen ausgebildet sein sollten.A number of a total of 31
An sich bekannte Unterteilungen innerhalb der Sammelkörper 1, 2 (nicht dargestellt) bewirken eine Umleitung des Kältemittels durch jeweilige Gruppen von Flachrohren 3. An dem ersten Sammelrohr 1 ist zur Zuleitung und Ableitung des Kältemittels ein Zuführstutzen 4 und ein Abführstutzen 5 angeordnet. Zudem sind an dem ersten Sammelkörper 1 Halterungen 6 zur Befestigung des Kältemittelkondensators angebracht.Per se known subdivisions within the
An dem zweiten Sammelkörper 2 ist parallel und an diesen angrenzend ein Sammler 7 vorgesehen, welcher im Wesentlichen als Hohlkörper ausgebildet ist und auf an sich bekannte Weise Kältemittelverbindungen zu dem Sammelkörper 2 hat (nicht dargestellt). Der Sammler 7 ist mit einer auswechselbaren, länglichen Filterpatrone (nicht dargestellt) bestückbar, welche zudem ein Trockenmittel enthält. Hierzu ist der Sammler 7 mit einer Verschlussvorrichtung 8 versehen. Der Sammler 7 hat eine Baulänge I. Die Baulänge I übersteigt die Bauhöhe h des Kältemittelkondensators um die Länge d. Diese Länge d beträgt vorliegend mehr als 6 % der Bauhöhe h. An seinem unteren Ende schließt der Sammler 7 bündig mit dem Sammelkörper 2 und den Flachrohren 3 ab, wogegen er diese an seinem oberen Ende um die genannte Länge d überragt.At the second
Die durch die Sammelkörper 1, 2 und die Länge der Flachrohre 3 bedingte bauliche Breite b des Kältemittelkondensators beträgt vorliegend etwa das 2,5-fache der Bauhöhe h.The conditional on the
An dem Sammler 7 sind zu den Halterungen 6 korrespondierende Halterungen 9 vorgesehen, um den Kältemittelkondensator an seinen beiden kurzen Stirnseiten sicher zu halten. Die relative Kürze dieser Stirnseiten im Vergleich zu der Breite b führt zu eine besonders sicheren und vibrationsarmen Halterung des Kältemittelkondensators bei nur wenigen Befestigungspunkten.At the
Aus der räumlichen Darstellung nach Fig. 2 ist der Überstand d des Sammlers 7 über das oberste Flachrohr 3 des Käftemittelkondensators nochmals verdeutlicht.From the spatial representation of FIG. 2, the supernatant d of the
Die schematische und nicht maßstabsgerechte Darstellung in Fig. 3 verdeutlicht die geometrische Änderung gegenüber dem Stand der Technik (obere Zeichnung), wobei die rechteckige Wärmetauscherfläche F in der erfindungsgemäßen unteren Zeichnung die gleiche ist wie die in dem oberen Beispiel. Bei gegebener Kältemittelmenge, die einer gegebenen Dimensionierung und Länge I des Sammlers 7 entspricht, und bei zudem vorgegebener Tauscherfläche F wird durch die Verringerung der Bauhöhe h um den Betrag d eine Erhöhung der baulichen Breite b um den Betrag s erforderlich.The schematic and not to scale representation in Fig. 3 illustrates the geometric change from the prior art (upper drawing), wherein the rectangular heat exchanger surface F in the lower drawing according to the invention is the same as that in the upper example. For a given amount of refrigerant, which corresponds to a given dimensioning and length I of the
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05019815A EP1762804A1 (en) | 2005-09-12 | 2005-09-12 | Refrigerant condenser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05019815A EP1762804A1 (en) | 2005-09-12 | 2005-09-12 | Refrigerant condenser |
Publications (1)
Publication Number | Publication Date |
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EP1762804A1 true EP1762804A1 (en) | 2007-03-14 |
Family
ID=35509455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP05019815A Ceased EP1762804A1 (en) | 2005-09-12 | 2005-09-12 | Refrigerant condenser |
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EP (1) | EP1762804A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2690381B1 (en) * | 2012-07-23 | 2019-06-26 | MAHLE Behr GmbH & Co. KG | Condenser and collector for condenser |
CN111156835A (en) * | 2020-03-12 | 2020-05-15 | 江苏兆胜科技股份有限公司 | Air-water heat exchanger for cooling equipment |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5394710A (en) * | 1992-11-06 | 1995-03-07 | Nippondensco Co., Ltd. | Refrigerating apparatus |
DE4402927A1 (en) | 1994-02-01 | 1995-08-03 | Behr Gmbh & Co | Condenser for an air conditioning system of a vehicle |
US5458190A (en) * | 1986-07-29 | 1995-10-17 | Showa Aluminum Corporation | Condenser |
US6003592A (en) * | 1992-11-25 | 1999-12-21 | Denso Corporation | Refrigerant condenser |
DE10060104A1 (en) * | 1999-12-09 | 2001-06-13 | Denso Corp | Coolant liquefier has coolant passage with tube inner passage height selected in range from 0.5 to 0.7 millimeters |
JP2001263869A (en) * | 2000-03-23 | 2001-09-26 | Calsonic Kansei Corp | Liquid tank |
US20050056049A1 (en) * | 2003-09-16 | 2005-03-17 | Ryouichi Sanada | Heat exchanger module |
DE102004059680A1 (en) * | 2003-12-11 | 2005-07-28 | Behr Gmbh & Co. Kg | A composite heat exchanger for cooling motor vehicle oil has two multiple tube flow paths alongside and independent of each other with manifolds and connections for heated and cooling fluids |
WO2005071330A1 (en) * | 2004-01-27 | 2005-08-04 | Showa Denko K.K. | Condenser |
-
2005
- 2005-09-12 EP EP05019815A patent/EP1762804A1/en not_active Ceased
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5458190A (en) * | 1986-07-29 | 1995-10-17 | Showa Aluminum Corporation | Condenser |
US5394710A (en) * | 1992-11-06 | 1995-03-07 | Nippondensco Co., Ltd. | Refrigerating apparatus |
US6003592A (en) * | 1992-11-25 | 1999-12-21 | Denso Corporation | Refrigerant condenser |
DE4402927A1 (en) | 1994-02-01 | 1995-08-03 | Behr Gmbh & Co | Condenser for an air conditioning system of a vehicle |
DE10060104A1 (en) * | 1999-12-09 | 2001-06-13 | Denso Corp | Coolant liquefier has coolant passage with tube inner passage height selected in range from 0.5 to 0.7 millimeters |
JP2001263869A (en) * | 2000-03-23 | 2001-09-26 | Calsonic Kansei Corp | Liquid tank |
US20050056049A1 (en) * | 2003-09-16 | 2005-03-17 | Ryouichi Sanada | Heat exchanger module |
DE102004059680A1 (en) * | 2003-12-11 | 2005-07-28 | Behr Gmbh & Co. Kg | A composite heat exchanger for cooling motor vehicle oil has two multiple tube flow paths alongside and independent of each other with manifolds and connections for heated and cooling fluids |
WO2005071330A1 (en) * | 2004-01-27 | 2005-08-04 | Showa Denko K.K. | Condenser |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 26 1 July 2002 (2002-07-01) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2690381B1 (en) * | 2012-07-23 | 2019-06-26 | MAHLE Behr GmbH & Co. KG | Condenser and collector for condenser |
CN111156835A (en) * | 2020-03-12 | 2020-05-15 | 江苏兆胜科技股份有限公司 | Air-water heat exchanger for cooling equipment |
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