DE20022757U1 - Air conditioning system with internal heat exchanger and heat exchanger tube for one - Google Patents

Air conditioning system with internal heat exchanger and heat exchanger tube for one

Info

Publication number
DE20022757U1
DE20022757U1 DE20022757U DE20022757U DE20022757U1 DE 20022757 U1 DE20022757 U1 DE 20022757U1 DE 20022757 U DE20022757 U DE 20022757U DE 20022757 U DE20022757 U DE 20022757U DE 20022757 U1 DE20022757 U1 DE 20022757U1
Authority
DE
Germany
Prior art keywords
heat exchanger
exchanger tube
central channel
tube according
outer channels
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
DE20022757U
Other languages
German (de)
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.)
Eaton Fluid Power GmbH
Original Assignee
Eaton Fluid Power GmbH
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 Eaton Fluid Power GmbH filed Critical Eaton Fluid Power GmbH
Priority to DE20022757U priority Critical patent/DE20022757U1/en
Priority claimed from DE10053000A external-priority patent/DE10053000A1/en
Publication of DE20022757U1 publication Critical patent/DE20022757U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00321—Heat exchangers for air-conditioning devices
    • B60H1/00342—Heat exchangers for air-conditioning devices of the liquid-liquid type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
    • B60H1/00557—Details of ducts or cables
    • B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3227—Cooling devices using compression characterised by the arrangement or the type of heat exchanger, e.g. condenser, evaporator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/32—Cooling devices
    • B60H1/3204—Cooling devices using compression
    • B60H1/3229—Cooling devices using compression characterised by constructional features, e.g. housings, mountings, conversion systems
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F7/00—Elements not covered by group F28F1/00, F28F3/00 or F28F5/00
    • F28F7/02—Blocks traversed by passages for heat-exchange media
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

Landscapes

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

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (28)

1. Wärmetauscherrohr (22), insbesondere für den in­ neren Wärmetauscher (11) einer Kraftfahrzeug-Hochdruck- Klimaanlage (1),
mit einer äußeren Mantelfläche (27), die konzen­ trisch zu einer Mittelachse (28) angeordnet ist,
mit einem fluiddurchströmten, zu der Mittelachse (28) konzentrischen Zentralkanal (29), der eine geschlos­ sene Wandung aufweist, von der sich mehrere Vorsprünge (31) in den Zentralkanal (29) hinein erstrecken,
mit mehreren fluiddurchströmten Außenkanälen (36), die konzentrisch zu dem Zentralkanal (29) angeordnet und voneinander durch Zwischenwände (37) getrennt sind,
wobei das Wärmetauscherrohr (22) einstückig ausge­ bildet ist, und wobei die Anzahl der Zwischenwände (37) größer ist als die Anzahl der Vorsprünge (31).1. heat exchanger tube ( 22 ), in particular for the inner heat exchanger ( 11 ) of a motor vehicle high-pressure air conditioning system ( 1 ),
with an outer lateral surface ( 27 ) which is arranged concentrically to a central axis ( 28 ),
with a central channel ( 29 ) through which fluid flows and concentric with the central axis ( 28 ) and which has a closed wall from which a plurality of projections ( 31 ) extend into the central channel ( 29 ),
with a plurality of outer channels ( 36 ) through which fluid flows, which are arranged concentrically to the central channel ( 29 ) and are separated from one another by intermediate walls ( 37 ),
wherein the heat exchanger tube ( 22 ) is integrally formed, and wherein the number of partitions ( 37 ) is greater than the number of projections ( 31 ). 2. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Außenkanäle (36) an ihrer radial inneren Seite jeweils eine Breite aufweisen, die geringer ist als ihre in Radialrichtung gemessene Höhe.2. Heat exchanger tube according to claim 1, characterized in that the outer channels ( 36 ) on their radially inner side each have a width which is less than their height measured in the radial direction. 3. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Außenkanäle (36) an ihrer radial äußeren Seite jeweils eine Breite aufweisen, die geringer ist als ihre in Radialrichtung gemessene Höhe.3. Heat exchanger tube according to claim 1, characterized in that the outer channels ( 36 ) on their radially outer side each have a width which is less than their height measured in the radial direction. 4. Wärmetauscherrohr nach Anspruch 1, dadurch gekennzeichnet, dass die Zwischenwände (37) parallelflankig ausgebildet sind.4. Heat exchanger tube according to claim 1, characterized in that the intermediate walls ( 37 ) are formed with parallel flanks. 5. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass alle Außenkanäle (36) übereinstimmen­ de Querschnitte aufweisen.5. Heat exchanger tube according to claim 1, characterized in that all outer channels ( 36 ) have matching cross sections. 6. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Außenkanäle (36a, 36b) wenigstens zwei unterschiedliche Querschnitte aufweisen.6. Heat exchanger tube according to claim 1, characterized in that the outer channels ( 36 a, 36 b) have at least two different cross sections. 7. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass alle Zwischenwände (37) eine einheit­ liche Wandstärke aufweisen.7. Heat exchanger tube according to claim 1, characterized in that all the partition walls ( 37 ) have a uniform wall thickness. 8. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass zwischen dem Zentralkanal (29) und den Außenkanälen (36) eine Wandstärke vorgesehen ist, die größer ist als die Wandstärke der Zwischenwände (37).8. Heat exchanger tube according to claim 1, characterized in that between the central channel ( 29 ) and the outer channels ( 36 ) a wall thickness is provided which is greater than the wall thickness of the intermediate walls ( 37 ). 9. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass zwischen dem Zentralkanal (29) und den Außenkanälen (36) eine Wandstärke vorgesehen ist, die größer ist als die Wandstärke von Wandbereichen (38), die die Außenkanäle (36) nach außen abschließen.9. Heat exchanger tube according to claim 1, characterized in that between the central channel ( 29 ) and the outer channels ( 36 ) a wall thickness is provided which is greater than the wall thickness of wall areas ( 38 ) which close the outer channels ( 36 ) to the outside , 10. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Außenkanäle (36) einen keilförmi­ gen Querschnitt aufweisen.10. Heat exchanger tube according to claim 1, characterized in that the outer channels ( 36 ) have a cross section wedge-shaped. 11. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass der Zentralkanal (29) einen kreuzför­ migen Querschnitt aufweist. 11. Heat exchanger tube according to claim 1, characterized in that the central channel ( 29 ) has a cross-shaped cross-section. 12. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Vorsprünge (31) einen dreieckigen gerundeten Querschnitt aufweisen.12. Heat exchanger tube according to claim 1, characterized in that the projections ( 31 ) have a triangular rounded cross section. 13. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Vorsprünge (31) Flanken aufweisen, die miteinander einen rechten Winkel (α) einschließen.13. Heat exchanger tube according to claim 1, characterized in that the projections ( 31 ) have flanks which form a right angle (α) with one another. 14. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass die Vorsprünge (31) als Rippen (33) ausgebildet sind.14. Heat exchanger tube according to claim 1, characterized in that the projections ( 31 ) are designed as ribs ( 33 ). 15. Wärmetauscherrohr nach Anspruch 14, dadurch ge­ kennzeichnet, dass die Rippen (33) in Axialrichtung gera­ de ausgebildet sind.15. Heat exchanger tube according to claim 14, characterized in that the ribs ( 33 ) are formed in the axial direction. 16. Wärmetauscherrohr nach Anspruch 1, dadurch ge­ kennzeichnet, dass es als Aluminium-Strangpressprofil ausgebildet ist.16. Heat exchanger tube according to claim 1, characterized ge identifies it as an extruded aluminum profile is trained. 17. Wärmetauscher (11), insbesondere für den inneren Wärmetauscher (11) einer Kraftfahrzeug-Hochdruck-Klimaan­ lage (1), mit einem Wärmetauscherrohr (22), das aufweist:
  • - einen Zentralkanal (29), der eine geschlossene Wandung aufweist, von der sich mehrere Vor­ sprünge (31) in den Zentralkanal (29) hinein erstrecken, und
  • - mehreren Außenkanäle (36), die konzentrisch zu dem Zentralkanal (29) angeordnet und voneinander durch Zwischenwände (37) getrennt sind,
wobei das Wärmetauscherrohr (22) an beiden Enden (44, 45) mit Anschlussstücken (42, 43) verbunden ist, die jeweils einen Sammelraum (47, 66) aufweisen, um alle Au­ ßenkanäle (36) zu einem Kanal zusammenzufassen, wobei sich durch den Sammelraum in den Zentralkanal (27) hin­ ein eine Kanüle (92)erstreckt, die mit einem oder mehre­ ren Dichtungselementen versehen ist.17. Heat exchanger ( 11 ), in particular for the inner heat exchanger ( 11 ) of a motor vehicle high-pressure air conditioning system ( 1 ), with a heat exchanger tube ( 22 ), which has:
  • -, several extend a central channel (29) having a closed wall of the pre cracks (31) in the central channel (29) inside, and
  • a plurality of outer channels ( 36 ) which are arranged concentrically to the central channel ( 29 ) and are separated from one another by intermediate walls ( 37 ),
wherein the heat exchanger tube ( 22 ) is connected at both ends ( 44 , 45 ) with connecting pieces ( 42 , 43 ), each having a collecting space ( 47 , 66 ) to combine all of the outer channels ( 36 ) into one channel, whereby the collecting space in the central channel ( 27 ) extends a cannula ( 92 ) which is provided with one or more sealing elements. 18. Wärmetauscher nach Anspruch 17, dadurch gekenn­ zeichnet, dass die Anschlussstücke (42, 43) Mittel zur gleichmäßigen Aufteilung einer Fluidströmung auf die Au­ ßenkanäle (36) bzw. zur gleichmäßigen Zusammenfassung der aus den Außenkanälen (36) ankommenden Fluidströmung auf­ weisen.18. A heat exchanger according to claim 17, characterized in that the connection pieces (42, 43) means for even division of a fluid flow to the Au ßenkanäle (36) or for uniform Summary of the arriving from the outer channels (36) fluid flow to have. 19. Wärmetauscher nach Anspruch 18, dadurch gekenn­ zeichnet, dass das Mittel zur gleichmäßigung Aufteilung bzw. Zusammenfassung der Fluidströmung eine Diffusorkam­ mer (47) ist.19. Heat exchanger according to claim 18, characterized in that the means for uniformly dividing or combining the fluid flow is a diffuser chamber ( 47 ). 20. Wärmetauscher nach Anspruch 18, dadurch gekenn­ zeichnet, dass das Mittel zur gleichmäßigung Aufteilung bzw. Zusammenfassung der Fluidströmung eine Drallkammer (66) ist.20. Heat exchanger according to claim 18, characterized in that the means for uniformly dividing or combining the fluid flow is a swirl chamber ( 66 ). 21. Wärmetauscher nach Anspruch 19, dadurch gekenn­ zeichnet, dass die Diffusorkammer konisch ausgebildet ist und wenigstens zwei Zu- bzw. Abströmkanäle (54, 55) auf­ weist.21. Heat exchanger according to claim 19, characterized in that the diffuser chamber is conical and has at least two inflow and outflow channels ( 54 , 55 ). 22. Wärmetauscher nach Anspruch 20, dadurch gekennzeichnet, dass die Drallkammer (66) einen im Wesentlichen zylindrischen Querschnitt aufweist.22. The heat exchanger according to claim 20, characterized in that the swirl chamber ( 66 ) has a substantially cylindrical cross section. 23. Wärmetauscher nach Anspruch 22, dadurch gekenn­ zeichnet, dass die Drallkammer einen gegen die Radial­ richtung parallel versetzten und geneigten Zu- bzw. Ab­ strömanschluss (57) aufweist.23. Heat exchanger according to claim 22, characterized in that the swirl chamber has a parallel to the radial direction offset and inclined inflow or outflow connection ( 57 ). 24. Wärmetauscher nach Anspruch 17, dadurch gekenn­ zeichnet, dass die Anschlussstücke (42, 43) an beiden Enden (44, 45) des Wärmetauscherrohrs untereinander gleich ausgebildet sind.24. Heat exchanger according to claim 17, characterized in that the connecting pieces ( 42 , 43 ) at both ends ( 44 , 45 ) of the heat exchanger tube are identical to one another. 25. Wärmetauscher nach Anspruch 17, dadurch gekenn­ zeichnet, dass die Anschlusstücke (43) mit dem Wärmetau­ scherrohr (22) über eine Pressverbindung verbunden sind.25. Heat exchanger according to claim 17, characterized in that the connecting pieces ( 43 ) with the heat exchanger shear tube ( 22 ) are connected via a press connection. 26. Wärmetauscher nach Anspruch 25, dadurch gekenn­ zeichnet, dass die Pressverbindung eine durch plastische Deformation des Anschlussstücks (43) erhaltene Pressver­ bindung ist.26. Heat exchanger according to claim 25, characterized in that the press connection is a press connection obtained by plastic deformation of the connecting piece ( 43 ). 27. Wärmetauscher nach Anspruch 25, dadurch gekenn­ zeichnet, dass zu dem Anschlussstück (43) ein Anschluss­ sockel (89) gehört, der mit dem übrigen Anschlussstück (89) verpresst ist und der eine Kanüle (92) aufweist, die sich in den Zentralkanal (29) hinein erstreckt und die mit der Wandung des Zentralkanals durch eine Pressverbin­ dung verbunden ist.27. A heat exchanger according to claim 25, characterized in that to the fitting (43) a socket (89) belongs, which is pressed together with the rest of the connection piece (89) and having a cannula (92) extending into the central channel ( 29 ) extends into and which is connected to the wall of the central channel by a press connection. 28. Klimaanlage (1), insbesondere für Kraftfahrzeu­ ge,
mit einem Kompressor (2) zur Bereitstellung kompri­ mierten Fluids an einem Ausgang (3),
mit einem Kühler (6) zur Abkühlung des komprimierten Fluids, der über eine Leitung (5) an den Kompressor (2) angeschlossen ist,
mit einem Expansionsventil (15), das über eine Hock­ druckleitung (14) von dem Kondensator (6) abgekühltes Fluid erhält und an einen Verdampfer (16) abgibt,
mit einer Rückführungsleitung (17, 21), über die Fluid aus dem Verdampfer (16) an den Kompressor (2) zu­ rückgeleitet wird, und
mit einem Wärmetauscher (11) nach einem der Ansprü­ che 17 bis 27, dessen Zentralkanal (29) an die Hochdruck­ leitung (8, 14) angeschlossen ist und dessen Außenkanäle (36) an die Rückführungsleitung (17, 21) angeschlossen sind.28. Air conditioning system ( 1 ), in particular for motor vehicles,
with a compressor ( 2 ) for providing compressed fluids at an outlet ( 3 ),
with a cooler ( 6 ) for cooling the compressed fluid, which is connected to the compressor ( 2 ) via a line ( 5 ),
with an expansion valve ( 15 ) which receives fluid cooled by the condenser ( 6 ) via a high pressure line ( 14 ) and delivers it to an evaporator ( 16 ),
with a return line ( 17 , 21 ) via which fluid from the evaporator ( 16 ) is returned to the compressor ( 2 ), and
with a heat exchanger ( 11 ) according to one of claims 17 to 27, the central channel ( 29 ) of which is connected to the high pressure line ( 8 , 14 ) and whose outer channels ( 36 ) are connected to the return line ( 17 , 21 ).
DE20022757U 2000-10-25 2000-10-25 Air conditioning system with internal heat exchanger and heat exchanger tube for one Expired - Lifetime DE20022757U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20022757U DE20022757U1 (en) 2000-10-25 2000-10-25 Air conditioning system with internal heat exchanger and heat exchanger tube for one

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20022757U DE20022757U1 (en) 2000-10-25 2000-10-25 Air conditioning system with internal heat exchanger and heat exchanger tube for one
DE10053000A DE10053000A1 (en) 2000-10-25 2000-10-25 Air conditioning system with internal heat exchanger and heat exchanger tube for one

Publications (1)

Publication Number Publication Date
DE20022757U1 true DE20022757U1 (en) 2002-02-28

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1422085A1 (en) * 2002-11-19 2004-05-26 Delphi Technologies, Inc. Dual evaporator air conditioning system and method of use
FR2850743A1 (en) * 2003-01-30 2004-08-06 Visteon Global Tech Inc CONNECTION UNIT FOR MULTI-CHANNEL HEAT EXCHANGER AND CORRESPONDING HEAT EXCHANGER
DE10347676A1 (en) * 2003-10-09 2005-05-04 Behr Gmbh & Co Kg Heating circuit for a motor vehicle
DE102006017816B4 (en) * 2006-04-13 2008-04-24 Eaton Fluid Power Gmbh Inner chiller heat exchanger
FR2939878A1 (en) * 2008-12-17 2010-06-18 Hutchinson INTERNAL THERMAL EXCHANGER FOR A MOTOR VEHICLE AIR CONDITIONING CIRCUIT, SUCH A CIRCUIT AND METHOD FOR CONNECTING A CONNECTOR TO THE EXCHANGER
US7866378B2 (en) 2004-11-09 2011-01-11 Denso Corporation Double-wall pipe, method of manufacturing the same and refrigerant cycle device provided with the same
US7887099B2 (en) * 2005-12-06 2011-02-15 Denso Corporation Compound tube and method of producing the same
GB2499512A (en) * 2012-02-15 2013-08-21 Gm Global Tech Operations Inc Crimping hose between inner and outer pipes of coaxial line section
CN107178935A (en) * 2016-03-11 2017-09-19 福特全球技术公司 Nested type HVAC pipeline

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6758054B2 (en) 2002-11-19 2004-07-06 Delphi Technologies, Inc. Dual evaporator air conditioning system and method of use
EP1422085A1 (en) * 2002-11-19 2004-05-26 Delphi Technologies, Inc. Dual evaporator air conditioning system and method of use
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