EP1798506A3 - Heat exchanger, more particularly evaporator - Google Patents

Heat exchanger, more particularly evaporator Download PDF

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Publication number
EP1798506A3
EP1798506A3 EP06025337A EP06025337A EP1798506A3 EP 1798506 A3 EP1798506 A3 EP 1798506A3 EP 06025337 A EP06025337 A EP 06025337A EP 06025337 A EP06025337 A EP 06025337A EP 1798506 A3 EP1798506 A3 EP 1798506A3
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
injection tube
medium
flow rate
region
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
Application number
EP06025337A
Other languages
German (de)
French (fr)
Other versions
EP1798506B1 (en
EP1798506A2 (en
Inventor
Gottfried Dipl.-Ing. Dürr
Wolfgang Geiger
Michael Dipl.-Ing. Kranich
Karl-Heinz Dipl.-Ing. Staffa
Christoph Dipl.-Ing. Walter
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 EP1798506A2 publication Critical patent/EP1798506A2/en
Publication of EP1798506A3 publication Critical patent/EP1798506A3/en
Application granted granted Critical
Publication of EP1798506B1 publication Critical patent/EP1798506B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0278—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of stacked distribution plates or perforated plates arranged over end plates
    • 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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • F28D1/0475—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 bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend
    • F28D1/0476—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 bent, e.g. in a serpentine or zig-zag the conduits having a single U-bend the conduits having a non-circular cross-section
    • 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
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage 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
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0263—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by varying the geometry or cross-section of header box
    • 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
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
    • F28F9/0273—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple holes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

Die Erfindung betrifft einen Wärmetauscher, insbesondere einen Verdampfer, mit mindestens einem Einspritzrohr, einer Mehrzahl von Durchtrittsöffnungen, einer Mehrzahl von über die Durchtrittsöffnungen mit dem Einspritzrohr direkt oder indirekt verbundener, eine Wärmeübergangsfläche bildender Elemente, durch welche ein Medium strömt, welches im Bereich des Wärmetauschers zumindest teilweise einen Phasenwechsel durchläuft, und einem Saugrohr, wobei der Wärmetauscher derart ausgebildet ist, dass im Einspritzrohr in mindestens einem Bereich zumindest bei einem Teil der Durchtrittsöffnungen die Strömungsgeschwindigkeit des Mediums erhöht ist. In Folge der erhöhten Strömungsgeschwindigkeit des Mediums, im Folgenden als Kältemittel bezeichnet, erfolgt eine bessere Vermischung der vorliegenden Phasen.

Figure imgaf001
The invention relates to a heat exchanger, in particular an evaporator, with at least one injection tube, a plurality of passage openings, a plurality of directly or indirectly connected via the passages to the injection tube, a heat transfer surface forming elements through which a medium flows, which in the region of the heat exchanger at least partially undergoes a phase change, and a suction tube, wherein the heat exchanger is designed such that in at least one region in at least a portion of the passage openings, the flow rate of the medium is increased in the injection tube. As a result of the increased flow rate of the medium, hereinafter referred to as refrigerant, there is a better mixing of the phases present.
Figure imgaf001
EP06025337.4A 2005-12-13 2006-12-07 Evaporator Not-in-force EP1798506B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510059919 DE102005059919A1 (en) 2005-12-13 2005-12-13 Heat exchanger e.g. evaporator has injecting pipe and several openings whereby heat exchanger is formed such that flow rate of medium is increased in injecting pipe in range with part of openings

Publications (3)

Publication Number Publication Date
EP1798506A2 EP1798506A2 (en) 2007-06-20
EP1798506A3 true EP1798506A3 (en) 2012-06-06
EP1798506B1 EP1798506B1 (en) 2015-07-29

Family

ID=37847134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06025337.4A Not-in-force EP1798506B1 (en) 2005-12-13 2006-12-07 Evaporator

Country Status (2)

Country Link
EP (1) EP1798506B1 (en)
DE (1) DE102005059919A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046671A1 (en) * 2006-09-29 2008-04-03 Behr Gmbh & Co. Kg Plate construction heat exchanger, especially evaporator for motor vehicle air conditioning, has at least one equal medium distribution arrangement close to deflection openings that causes uniform medium flow distribution on flat pipes
DE102008025910A1 (en) 2008-05-29 2009-12-03 Behr Gmbh & Co. Kg Heat exchanger i.e. evaporator, for air conditioning system of motor vehicle, has upper collector including base plate, distributing plate and injection plate, and lower collector provided according to type of upper collector
CN101788242A (en) * 2009-03-25 2010-07-28 三花丹佛斯（杭州）微通道换热器有限公司 Refrigerant distributor for heat exchanger and heat exchanger
DE102013208396A1 (en) * 2013-05-07 2014-11-13 Behr Gmbh & Co. Kg Heat exchanger
WO2015099872A1 (en) * 2013-12-24 2015-07-02 Carrier Corporation Distributor for falling film evaporator
DE102014203038A1 (en) * 2014-02-19 2015-08-20 MAHLE Behr GmbH & Co. KG Heat exchanger
DE102014206955A1 (en) 2014-04-10 2015-10-15 Mahle International Gmbh Heat exchanger
DE102017219182A1 (en) * 2017-10-26 2019-05-02 Mahle International Gmbh Heat exchanger
EP3690377A1 (en) * 2019-01-29 2020-08-05 Valeo Systemes Thermiques-THS Heat exchanger, housing and air conditioning circuit comprising such an exchanger
CN113739453B (en) * 2020-05-29 2023-11-03 青岛海尔电冰箱有限公司 Evaporator and refrigerator with same
CN113739452B (en) * 2020-05-29 2023-11-07 青岛海尔电冰箱有限公司 Evaporator and refrigerating device with same

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310236A1 (en) * 1983-03-22 1984-09-27 Autokühler-Gesellschaft mbH, 3520 Hofgeismar Refrigerant distributor for the evaporator of a refrigerator or heat pump
DE3732081A1 (en) * 1987-09-24 1989-04-06 Rehau Ag & Co Plate heat exchanger
JPH05264126A (en) * 1992-03-23 1993-10-12 Matsushita Refrig Co Ltd Refrigerant separator
DE10260107A1 (en) * 2001-12-21 2003-10-02 Behr Gmbh & Co Heat exchanger, especially for a motor vehicle, has two flow path sections which are arranged adjacent to each other in the main flow direction of a second medium
WO2005100900A1 (en) * 2004-04-12 2005-10-27 Showa Denko K.K. Heat exchanger

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE426653B (en) * 1980-12-08 1983-02-07 Alfa Laval Ab Plate evaporator
DE19912318A1 (en) * 1999-03-19 2000-09-28 Dbb Fuel Cell Engines Gmbh Plate reactor
US6449979B1 (en) * 1999-07-02 2002-09-17 Denso Corporation Refrigerant evaporator with refrigerant distribution

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310236A1 (en) * 1983-03-22 1984-09-27 Autokühler-Gesellschaft mbH, 3520 Hofgeismar Refrigerant distributor for the evaporator of a refrigerator or heat pump
DE3732081A1 (en) * 1987-09-24 1989-04-06 Rehau Ag & Co Plate heat exchanger
JPH05264126A (en) * 1992-03-23 1993-10-12 Matsushita Refrig Co Ltd Refrigerant separator
DE10260107A1 (en) * 2001-12-21 2003-10-02 Behr Gmbh & Co Heat exchanger, especially for a motor vehicle, has two flow path sections which are arranged adjacent to each other in the main flow direction of a second medium
WO2005100900A1 (en) * 2004-04-12 2005-10-27 Showa Denko K.K. Heat exchanger

Also Published As

Publication number Publication date
DE102005059919A1 (en) 2007-06-14
EP1798506B1 (en) 2015-07-29
EP1798506A2 (en) 2007-06-20

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