EP1387134A2 - Trockner für Kältemittelkondensator - Google Patents
Trockner für Kältemittelkondensator Download PDFInfo
- Publication number
- EP1387134A2 EP1387134A2 EP03015294A EP03015294A EP1387134A2 EP 1387134 A2 EP1387134 A2 EP 1387134A2 EP 03015294 A EP03015294 A EP 03015294A EP 03015294 A EP03015294 A EP 03015294A EP 1387134 A2 EP1387134 A2 EP 1387134A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- dryer
- collector
- molded part
- refrigerant
- injection
- 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
- 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
- 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
- F25B2339/0441—Condensers with an integrated receiver containing a drier or a filter
Definitions
- the invention relates to a dryer for a refrigerant circuit, in particular for motor vehicle air conditioners, and a collector with such a dryer and a heat exchanger with such a collector.
- a dryer was known from DE-A 197 12 714 of the applicant.
- the invention also relates to the use of a polymer product known under the trademark CSP Technologies .
- Automotive air conditioning systems are operated with a refrigerant (R134 a), which, for. B. due to leaks in the system after a certain Operating time absorbs moisture (H2O).
- This water is in the refrigerant undesirable and is therefore by means of a dryer, either in one separate collector or a collector integrated with the condenser is disposed of, withdrawn.
- DE-C 42 38 853 of the Applicant was a so-called capacitor module known in which the collector in the condenser is integrated and in it a dryer cartridge or so called dryer bag receives.
- the dryer cartridge consists of a perforated plastic container containing drier granules, e.g. B. off Molecular sieve is filled.
- the dryer bag consists of one for the Refrigerant permeable fabric or fleece and is also with Dryer granules filled.
- a similar dryer cartridge was by DE-A 197 12 714 of Applicant known: it consists of a cage-like plastic container, which is lined with a sieve and also dryer granules in the form absorbs a bed of material. So that the granules during the Operation in the vehicle is not subject to excessive abrasion, the Granule filling by a spring-loaded disc, which within the Plastic container is movable, compressed.
- These known Dryer versions for refrigerant circuits are with regard to their Production and transfer as well as positioning in the collector with one associated with certain production and costs.
- the dryer is produced as a plastic injection-molded part from a known mass, which consists essentially of a polymer, a so-called channel former and a molecular sieve.
- the molecular sieve performs the function of drying, ie the dehydration of the refrigerant.
- the channel former causes channels to form in the polymer composition.
- the refrigerant has access from the outside to the molecular sieve and can be dried.
- the advantage of this dryer is that two functions, namely the container and the drying are combined in an injection molded part, because the polymer mass absorbs the dryer in itself and thus acts as a kind of container.
- the entire dryer is made of plastic, such as from the commercial, sold under the brand "CSP Technologies" material, as an injection molded part made of any shape.
- the injection-molded part is attached to the inner shape of a collector adapted to the refrigerant circuit.
- the injection molded part can be massive or be designed as a hollow body - it only has enough Dryer material (molecular sieve) for the drying of the refrigerant Make available.
- This injection molded part can also be placed anywhere in the Collector arranged and z. B. be fixed by clamping.
- the outer surface of the injection molded part with openings is provided, through which the refrigerant better access into the "Channel system" receives with the embedded molecular sieve.
- the Injection molded part for example, have a fir tree-shaped structure.
- the solution to the above problem is also the use of a known polymer product, which is known and sold under the brand CSP Technologies .
- the new use of this product is that it is processed as an injection molded part in a plastic injection molding machine and used as a dryer for dehydrating refrigerant of an air conditioner.
- the polymer composition is thus used as an amorphous carrier of the molecular sieve or dryer material.
- Dryer with a filter unit connectable so that the dryer through or flowing refrigerant is also filtered.
- the connection is here for example, a plug-in, a clips, an adhesive or any other connection.
- the dryer forms with a Filter unit a structural unit.
- the filter unit can, for example, a fine-meshed network have, with the foreign body as with a sieve from the refrigerant be filtered.
- a collector for a refrigerant in a closed circuit used so that a refrigerant flowing through the collector can be dried, that is, that deprived of the refrigerant water can be.
- the dryer arranged filter element such as a sieve, the can If necessary, additional refrigerant can be filtered, whereby the collector combines several functions.
- the collector with the inventive dryer in a heat exchanger with pipes, ribs and two headers inserted such that a refrigerant containing the Passes through the heat exchanger before, during or after the Collector flows through.
- the heat exchanger is as Capacitor formed.
- Such heat exchangers are known from DE 42 38 853 C2 became known, which hereby expressly to Disclosure content belongs.
- Fig. 1 shows an injection molded part 1, which acts as a dryer in the refrigerant circuit of a motor vehicle air conditioning, not shown.
- This injection-molded part 1 is produced by injection molding as a solid cylinder made of a special plastic mixture, which will be explained below.
- the injection molded part 1 has circumferentially distributed cam-like spacers 2, which serve to fix in a housing, not shown here.
- openings 3 are provided, which allow a better access of the refrigerant into the internal structure of the dryer 1.
- the mass of this injection-molded part 1 is porous, wherein the carrier, which also causes the strength, consists of a polymer.
- the plastic in the form of polymer is traversed by a multiplicity of channels, which are produced by a so-called channel former during manufacture. In these channels is incorporated as a third component, a molecular sieve in the form of particles.
- Such a plastic blend is known as a commercial product under the CSP Technologies brand.
- FIG. 2 shows an enlarged view of a detail X from a section in the plane II-II through the mass of the injection molded part 1 - in a highly simplified, schematic representation.
- a carrier 4 cross-hatched
- channels 5 are about cubic particles 6 (hatched) embedded, which are referred to as molecular sieve and consist of a known dryer material. This molecular sieve 6 is therefore able to absorb the moisture contained in the refrigerant.
- Fig. 3 shows a portion of a refrigerant condenser 10 having a manifold 11 and an integrated collector 12, the z. T. shown as a view and z. T. is cut open, ie the window 13 releases the view into the interior.
- the collector 12 is connected in a known manner via the two overflow openings 14, 15 with the manifold 11, so that the collector 13 is constantly flowed through during operation of the air conditioner of refrigerant.
- the overflow opening 14 of the dryer 1 shown in Fig. 1 is arranged, approximately coaxial with the cross section of the collector 13.
- an annular gap 16 over the the refrigerant (not shown) rise in the liquid or vapor phase and the surface of the dryer 1 wash around or can flow around.
- the refrigerant first penetrates under the surface of the injection molded part 1 and thus enters the channel structure 5 shown schematically in FIG. 2 with the molecular sieve 6. This causes a drying of the refrigerant.
- the collector 13 can - which is not shown here - with a detachable Cover be provided so that an exchange of the injection molded part 1 from Maintenance is possible.
- the injection molded part 1 is not in here shown manner in the collector 13 fixed, z. B. by clamping with the Inner wall of the collector 13 or by resting on a not shown sieve part in the lower region of the collector thirteenth
- FIG. 4 shows a further arrangement of a dryer 20 in a collector 21 of a capacitor module 22.
- the dryer 20 consists of a polymer, a channel former and a molecular sieve, and, in contrast to the dryer shown in FIG. 3, is formed integrally with a filter unit 23 in that the filter unit 23 is injection-molded onto the dryer 20.
- the filter unit 23 has a frame 24 with openings 25 for a Flow through a refrigerant. Sealing lips 26 provide for a Sealing against the collector 21 so that the refrigerant is forced to flow through a screen 27 injected into the filter unit 23. The Sealing lips 26 serve at the same time a fixation of the filter unit 23rd and the dryer 20 existing component group in the collector 21st
- the collector 21 is integrated into the capacitor module 22 such that a Refrigerant, which flows through the condenser 22, after cooling in the tube-fin network 28 through an inlet opening 29 of a Collecting tube 30 of the capacitor module 22 flows into the collector 21. After an optionally occurring drying in the dryer 20 and Filtered by the filter unit 23, the refrigerant flows through a Outlet 31 back into the manifold 30 and from there to a further cooling in an unspecified undercooling of the capacitor module 22.
Abstract
Description
- Fig. 1
- ein Spritzgussteil als Trockner,
- Fig. 2
- eine Einzelheit X aus einem Schnitt II-II durch das Spritzgussteil und
- Fig. 3
- eine Anordnung eines Spritzgussteiles in einem Sammler eines Kondensatormoduls.
- Fig. 4
- eine weitere Anordnung eines Spritzgussteils in einem Sammler
Claims (11)
- Trockner für einen Kältemittelkreislauf, insbesondere für Kraftfahrzeug-Klimaanlagen, dadurch gekennzeichnet, dass der Trockner als ein Spritzgussteil (1) ausgebildet ist, dessen Masse im Wesentlichen drei Komponenten enthält, nämlich ein Polymer (4), einen Kanalbildner und ein Molekularsieb (6).
- Trockner nach Anspruch 1, dadurch gekennzeichnet, dass das Molekularsieb in die Polymermasse (4) und/oder in die Polymermasse durchziehende Kanäle (5) eingelagert ist.
- Trockner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Spritzgussteil (1) als massives zylindrisches Teil ausgebildet ist, welches in seinem Querschnitt dem Sammler (13) angepasst ist.
- Trockner nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Spritzgussteil hohlzylindrisch ausgebildet ist.
- Trockner nach Anspruch 1, 2, 3 oder 4, dadurch gekennzeichnet, dass das Spritzgussteil (1) auf seinem Umfang Öffnungen (3) für den Zutritt des Kältemittels von außen aufweist.
- Trockner nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Spritzgussteil (1) im Sammler (13) fixiert ist.
- Trockner nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass eine Filtereinheit mit dem Trockner verbindbar ist.
- Trockner nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass eine Filtereinheit mit dem Trockner eine Baueinheit bildet.
- Verwendung eines aus den Komponenten Polymer, Kanalbildner und Molekularsieb bestehenden einstückigen Spritzgussteils zur Trocknung (Dehydrierung) von Kältemittel in einem Kältemittelkreislauf für Klimaanlagen, insbesondere für Kraftfahrzeuge.
- Sammler für ein Kältemittel in einem geschlossenen Kreislauf, insbesondere in einem Kältemittelkreislauf einer Klimaanlage, insbesondere für ein Kraftfahrzeug, dadurch gekennzeichnet, dass ein Trockner nach einem der Ansprüche 1 bis 8 in den Sammler aufnehmbar ist.
- Wärmetauscher, insbesondere Kondensator, mit Rohren, Rippen, zwei Kopfstücken und einem Sammler, dadurch gekennzeichnet, dass der Sammler nach Anspruch 10 ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10234889 | 2002-07-31 | ||
DE10234889A DE10234889A1 (de) | 2002-07-31 | 2002-07-31 | Trockner für Kältemittelkondensator |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1387134A2 true EP1387134A2 (de) | 2004-02-04 |
EP1387134A3 EP1387134A3 (de) | 2005-12-21 |
EP1387134B1 EP1387134B1 (de) | 2007-08-15 |
Family
ID=30010527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03015294A Expired - Lifetime EP1387134B1 (de) | 2002-07-31 | 2003-07-07 | Trockner für Kältemittelkondensator |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1387134B1 (de) |
AT (1) | ATE370374T1 (de) |
DE (2) | DE10234889A1 (de) |
ES (1) | ES2291567T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1566600A1 (de) * | 2004-02-20 | 2005-08-24 | Delphi Technologies, Inc. | Trockenpatrone |
EP1764569A1 (de) * | 2005-09-16 | 2007-03-21 | Behr GmbH & Co. KG | Sammler mit Trockner-/Filtereinheit für einen Kondensator |
EP1703234A3 (de) * | 2005-02-03 | 2008-11-19 | Behr GmbH & Co. KG | Sammler eines Kältemittelkondensators, insbesondere für ein Kraftfahrzeug |
US9599414B2 (en) | 2010-11-17 | 2017-03-21 | Zhejiang Sanhua Automotive Components Co., Ltd | Liquid reservoir |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005005187A1 (de) | 2005-02-03 | 2006-08-10 | Behr Gmbh & Co. Kg | Kondensator für eine Klimaanlage, insbesondere eines Kraftfahrzeuges |
DE102006056469A1 (de) * | 2006-11-28 | 2008-05-29 | Behr Gmbh & Co. Kg | Sammler für einen Kältekreis |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19712714A1 (de) | 1997-03-26 | 1998-10-01 | Behr Gmbh & Co | Einsatz für ein Sammlerprofil eines Kondensators |
DE4238853C2 (de) | 1992-11-18 | 2001-05-03 | Behr Gmbh & Co | Kondensator für eine Klimaanlage eines Fahrzeuges |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013566A (en) * | 1975-04-07 | 1977-03-22 | Adsorbex, Incorporated | Flexible desiccant body |
DE4319293C2 (de) * | 1993-06-10 | 1998-08-27 | Behr Gmbh & Co | Kondensator für eine Klimaanlage |
DE4402927B4 (de) * | 1994-02-01 | 2008-02-14 | Behr Gmbh & Co. Kg | Kondensator für eine Klimaanlage eines Fahrzeuges |
US6124006A (en) * | 1995-04-19 | 2000-09-26 | Capitol Specialty Plastics, Inc. | Modified polymers having controlled transmission rates |
DE29700640U1 (de) * | 1997-01-15 | 1997-05-22 | Controls Gmbh Deutsche | Fahrzeug-Klimaanlage und Trocknerpatrone für eine Fahrzeug-Klimaanlage |
DE29721546U1 (de) * | 1997-12-05 | 1998-01-29 | Controls Gmbh Deutsche | Trocknerpatrone für Fahrzeug-Klimaanlage |
-
2002
- 2002-07-31 DE DE10234889A patent/DE10234889A1/de not_active Withdrawn
-
2003
- 2003-07-07 DE DE50307933T patent/DE50307933D1/de not_active Expired - Lifetime
- 2003-07-07 ES ES03015294T patent/ES2291567T3/es not_active Expired - Lifetime
- 2003-07-07 EP EP03015294A patent/EP1387134B1/de not_active Expired - Lifetime
- 2003-07-07 AT AT03015294T patent/ATE370374T1/de not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4238853C2 (de) | 1992-11-18 | 2001-05-03 | Behr Gmbh & Co | Kondensator für eine Klimaanlage eines Fahrzeuges |
DE19712714A1 (de) | 1997-03-26 | 1998-10-01 | Behr Gmbh & Co | Einsatz für ein Sammlerprofil eines Kondensators |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1566600A1 (de) * | 2004-02-20 | 2005-08-24 | Delphi Technologies, Inc. | Trockenpatrone |
EP1703234A3 (de) * | 2005-02-03 | 2008-11-19 | Behr GmbH & Co. KG | Sammler eines Kältemittelkondensators, insbesondere für ein Kraftfahrzeug |
EP1764569A1 (de) * | 2005-09-16 | 2007-03-21 | Behr GmbH & Co. KG | Sammler mit Trockner-/Filtereinheit für einen Kondensator |
US9599414B2 (en) | 2010-11-17 | 2017-03-21 | Zhejiang Sanhua Automotive Components Co., Ltd | Liquid reservoir |
Also Published As
Publication number | Publication date |
---|---|
EP1387134B1 (de) | 2007-08-15 |
ES2291567T3 (es) | 2008-03-01 |
EP1387134A3 (de) | 2005-12-21 |
DE10234889A1 (de) | 2004-02-19 |
DE50307933D1 (de) | 2007-09-27 |
ATE370374T1 (de) | 2007-09-15 |
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