EP1251324B1 - Kühlanlage für Kraftfahrzeuge - Google Patents
Kühlanlage für Kraftfahrzeuge Download PDFInfo
- Publication number
- EP1251324B1 EP1251324B1 EP02003493A EP02003493A EP1251324B1 EP 1251324 B1 EP1251324 B1 EP 1251324B1 EP 02003493 A EP02003493 A EP 02003493A EP 02003493 A EP02003493 A EP 02003493A EP 1251324 B1 EP1251324 B1 EP 1251324B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling system
- cooling
- front wall
- radial fan
- orifices
- 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
Links
Images
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
- 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
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/10—Guiding or ducting cooling-air, to, or from, liquid-to-air heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
-
- 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
-
- 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
- F28D2021/0091—Radiators
- F28D2021/0094—Radiators for recooling the engine coolant
Definitions
- the invention relates to a cooling system for motor vehicles with the features of Preamble in claim 1.
- the cooling system is in the as yet unpublished German application DE 199 50 755.4, but also in a number of other publications (EP 1 045 217 A1) have been described. In the unpublished application, the same Applicant heard, it is about increasing the efficiency of the cooling system improve what is there through an optimized position of the radial impeller inside the cooling system is reached.
- the cooling systems of the type described in the preamble are fundamentally more efficient than conventional cooling systems with one behind the other in the direction of cooling air flow arranged individual coolers, because in the cooling systems of the type described Centrifugal fans can be used.
- the cooling system for motor vehicles the question of efficiency from the point of view of the overall energy balance of the vehicle.
- the mostly electric or fan driven directly by the motor that blocks the flow of cooling air through the cooling network the cooler sucks through, is only put into operation when necessary.
- the dynamic pressure is sufficient to provide sufficient cooling capacity to make available because of the larger in conventional cooling systems
- Cross section allows a relatively high volume flow of cooling air.
- a box-shaped cooling system is known in which the Cooling network surface of one of the coolers arranged on the outside of the cooler Sliding blind can be covered or opened to increase the volume flow to be able to vary the cooling network area of the other coolers as required.
- the object of the present invention is to determine the volume flow Increase cooling air in dynamic pressure operation of the cooling system without the effectiveness of Radial fan significantly affect during its operating phases.
- the openings have covers (closure elements) that how check valves work. This effect can easily be achieved through the Arrangement of rubber tabs on the inside of the front wall can be achieved which are opened by the dynamic pressure when the centrifugal fan is not in operation is. If the radial fan is in operation, it ensures that it is inside the cooling system there is pressure to keep the covers closed.
- the covers are above or to the side of the openings and preferably on the inside attached to the front wall.
- closure elements and mechanisms are the subject of claims 5 to 9. These are around flexible or rigid closure elements which can be moved by means of suitable mechanisms, via signals - for example together with the commissioning or Switching off the radial fan - can be controlled or moved.
- Such locking mechanisms are generally somewhat more complex. However, they can be functional Have advantages such as low noise or in that the openings are easier to close, so that the escape of unused cooling air in the operating phases of the radial fan is as complete as possible is prevented.
- a suitable mechanism exists disclosed from pinion and rack in the aforementioned DE197 24 728 A1 who is moving a sliding blind there.
- Movable via driven rollers Covers or the like go for example from DE-OS 25 01 013 out.
- DE-OS a roller belt filter is used by means of the roller drive there moved, but the roller drive shown there itself is also present Context suitable.
- the reference to these documents is intended to be a more detailed one Replace representation.
- the cover can be made entirely of flexible material exist or only be flexible in the area that can be wound up or unwound, whereby the cover itself can be a rigid plate, which in by means of the roller drive upper and lower guides, which are arranged on the front panel, movable is what opens or closes the openings.
- the shape, number and arrangement of the openings in the front wall can be any and depends on how large the additional volume flow should be, how it should distribute which locking elements and locking mechanisms selected are, of course, also in terms of strength and stability, if the front wall serves as a load-bearing element of the cooling system and after other structural or functional restrictions.
- the cooling network 20 of the charge air cooler 3 is significantly greater in its block depth 30 than the block depth 30 of the water cooler 1; 2.
- the block width has the reference symbol 31 and is also larger in the charge air cooler 3 than in the water coolers 1; 2. In this embodiment there is no cooler at the bottom.
- the underside is therefore closed by the wall 26 (Fig. 3).
- the rear of the cooling system which is not clearly shown, is closed by a wall.
- the front wall 12 there is an intake opening 11 with a nozzle 10, which in this exemplary embodiment was not arranged centrally in the front wall 12, but was shifted slightly to the upper area.
- the exhaust blades 7 and the rear wall 9 of the impeller of the radial fan 6 can be seen in the suction opening 11 .
- the axis 5 of the radial fan 6 has been identified by a dashed line. In the direction of this axis 5 , the cooling air is sucked in, deflected radially and in the direction of the cooler 1; 2; 3 blown.
- the cooler 1; 2; 3 have a known cooling network 20, consisting of flat tubes 22 with corrugated fins 23 arranged between them , the cooling network 20 being shown in more detail in FIG. 2.
- the flat tubes 22 each extend between the two header boxes 21 of the individual coolers 1; 2; 3, so that they run transversely to the fan axis 5 .
- FIG. 1 The exemplary embodiment shown in FIG.
- a total of nine openings 13 are present in the front wall 12 , two openings 13 at the top, one on each side, and the remaining seven openings 13 below the suction opening 11 .
- the front wall 12 is exposed to the wind when the motor vehicle is in motion.
- the openings 13 are essentially rectangular openings, the shape, number and arrangement of the openings 13 not being particularly important.
- the coverable openings 13 or essential parts of the front wall 12 are designed like a grill, that is to say, for example, in the manner of a radiator grill.
- the upper two openings 13 have been drawn in the open state, ie the cover 15 protrudes on one side inwards, so that cooling air flowing in from outside can penetrate through the openings 13 into the interior of the cooling system when the motor vehicle is in motion.
- the lower openings 13 were drawn closed, it being understood that this was only drawn for reasons of clarity.
- all openings 13 are open, and in operation of the radial fan 6 , however, all openings 13 are closed by means of the covers 14 .
- the covers 14 are made of a suitable rubber. They are fastened to the inside of the front wall 12 above the openings 13 . The attachment is of course also possible on the outside of the front wall 12 .
- the cover 14 itself must be arranged on the inside of the front wall 12 in this exemplary embodiment.
- the attachment is stable, so that the permanent function of the covers 14 is ensured over the entire period of use of the cooling system.
- a cover 14 can be seen in FIG. 2.
- Fig. 2 shows the cover 14 in a position as it is present in the back pressure operation of the cooling system, but at all openings 13 .
- the covers 14 can also be constructed differently.
- a single cover 14 does not necessarily have to be assigned to each individual opening 13 . Several preferably smaller openings 13 can be closed by means of a single cover 14 .
- FIG. 2 also shows more clearly than FIG. 1 that the charge air cooler 3 also has a larger block width 31 in addition to the larger block depth 30 , so that there is a clear projection 32 of the charge air cooler 3 to the front over the front wall 12 .
- Such measures can best meet the cooling requirements for each individual cooler in a specific application.
- the protrusion 32 is compensated for by means of a cover plate 25 .
- each opening 13 has an extra cover 14 , which is advantageous in the selected size of the openings 13 , because a better seal is expected when the radial fan 6 is in operation. Furthermore, the size of the covers 14 must of course be selected on the one hand so that they cannot get into the radial impeller or be damaged and on the other hand that they can keep the openings 13 sufficiently tightly closed.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Motor Or Generator Cooling System (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Description
Claims (9)
- Kühlanlage für Lastkraftfahrzeuge, mit mehreren einzelnen Kühlem (1, 2, 3), die derart angeordnet sind, dass die Kühlrohre (4) des Kühlnetzes (20) der Kühler (1, 2, 3) quer zur Achse (5) des im Inneren der Anordnung rotierenden Laufrades eines Radialventilators (6) verlaufen, der Ausblasschaufeln (7), Deckscheibe (8) und Rückwand (9) aufweist, wobei der Radialventilator (6) in seinen Betriebsphasen Frischluft über eine mit einer Düse (10) versehenen Ansaugöffnung (11) in der Frontwand (12) ansaugt und als Kühlluft durch die Kühler (1; 2; 3) der Anordnung hindurch bläst und wobei ferner in Phasen niedriger Kühlungsanforderung die Kühlung im Staudruckbetrieb bei abgeschaltetem Radialventilator (6) durch den eintretenden Fahrtwind möglich ist,
dadurch gekennzeichnet, dass
einer der Kühler (3) eine größere Tiefe (30) und eine größere Breite (31) des Kühlnetzes (20) aufweist als die anderen Kühler (1;2),
und dass die Frontwand (12) zusätzliche Öffnungen (13) besitzt, die in den Betriebsphasen des Radialventilators (6) im wesentlichen verschlossen sind und im Staudruckbetrieb den Eintritt des Fahrtwindes in die Kühlanlage zulassen. - Kühlanlage nach Anspruch 1, dadurch gekennzeichnet, dass die Öffnungen (13) mittels Rückschlagventile (14) verschließbar sind.
- Kühlanlage nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass die Rückschlagventile (14) durch die im Staudruckbetrieb eintretende Kühlluft geöffnet werden und in den Betriebsphasen des Radialventilators (6) durch den im Inneren der Kühlanlage herrschenden höheren Druck geschlossen gehalten werden.
- Kühlanlage nach den Ansprüchen 2 oder 3, dadurch gekennzeichnet, dass die Rückschlagventile (14) vorzugsweise innen an der Frontwand (12) befestigte, flexible Abdeckungen (15) der Öffnungen (13) sind, die beispielsweise aus einem geeigneten Gummi bestehen.
- Kühlanlage nach Anspruch 1, dadurch gekennzeichnet, dass die Verschlüsse der Öffnungen (13) Verschlußelemente sind, die durch Signale über einen Verschlußmechanismus bewegbar sind, so dass die Öffnungen (13) geschlossen und geöffnet werden können, wobei die Signale vorzugsweise die gleichen sind, die den Radialventilator (6) in Betrieb setzen und abschalten.
- Kühlanlage nach den Ansprüchen 1 und 5, dadurch gekennzeichnet, dass die Öffnungen (13) in der Frontwand (12) Verschlußelemente aufweisen, die ähnlich wie die Blende des Objektivs einer Kamera arbeiten.
- Kühlanlage nach den Ansprüchen 1 und 5 , dadurch gekennzeichnet, dass die Verschlußelemente aus flexiblen oder steifen Abdeckungen bestehen, die mittels angetriebener Rollen auf - und abwickelbar oder bewegbar sind und die vorzugsweise an der Frontwand (12) befestigt sind.
- Kühlanlage nach den Ansprüchen 1 und 5, dadurch gekennzeichnet, dass die Verschlußelemente aus Abdeckungen bestehen, die mittels eines Ritzels entlang einer Zahnstange bewegbar sind.
- Kühlanlage nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Verschlußelemente vor oder hinter der Frontwand (12) angeordnet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10119591A DE10119591A1 (de) | 2001-04-21 | 2001-04-21 | Kühlanlage für Kraftfahrzeuge |
DE10119591 | 2001-04-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1251324A1 EP1251324A1 (de) | 2002-10-23 |
EP1251324B1 true EP1251324B1 (de) | 2004-10-13 |
Family
ID=7682219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02003493A Expired - Lifetime EP1251324B1 (de) | 2001-04-21 | 2002-02-15 | Kühlanlage für Kraftfahrzeuge |
Country Status (5)
Country | Link |
---|---|
US (1) | US20020152766A1 (de) |
EP (1) | EP1251324B1 (de) |
AT (1) | ATE279707T1 (de) |
DE (2) | DE10119591A1 (de) |
ES (1) | ES2230403T3 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10120483A1 (de) * | 2001-04-25 | 2002-10-31 | Modine Mfg Co | Anordnung zur Kühlung |
DE10324937A1 (de) * | 2003-06-03 | 2004-12-23 | Deere & Company, Moline | Vorrichtung zum Wärmeaustausch |
DE202004000733U1 (de) * | 2004-01-19 | 2005-06-09 | Riese, Wolfgang | Kühlvorrichtung, insbesondere zum Kühlen von Druckluft |
DE102005062366A1 (de) * | 2005-12-23 | 2007-07-05 | Behr Gmbh & Co. Kg | Lüfteranordnung bei einem Kraftfahrzeug |
US7352575B2 (en) * | 2006-07-31 | 2008-04-01 | International Business Machines Corporation | Dynamic air moving system |
CA2667958C (en) | 2006-10-31 | 2012-01-03 | Enviro-Cool, Inc. | Air management system for heavy duty truck under-hood heat control |
US20080178631A1 (en) * | 2007-01-25 | 2008-07-31 | Stuart Scott Snyder | Recreational vehicle refrigerator efficiency device |
US8752522B1 (en) * | 2012-03-14 | 2014-06-17 | Asaf Cohen | Compact multi-unit vehicle cooling system |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1973078A (en) * | 1933-10-25 | 1934-09-11 | Robert Gair Co Inc | Shutter for automobile radiators |
DE1098766B (de) * | 1956-03-02 | 1961-02-02 | Voith Gmbh J M | Einrichtung zur selbsttaetigen Regelung einer Kuehlanlage, insbesondere fuer fluessigkeitsgekuehlte Brennkraftmaschinen von Schienenfahrzeugen |
US3854459A (en) * | 1973-12-28 | 1974-12-17 | Mack Trucks | Fan shroud for an engine cooling system |
DE2501013A1 (de) | 1975-01-11 | 1976-07-15 | Trox Gmbh Geb | Rollbandfilter fuer insbesondere luftkanaele in klimatechnischen anlagen |
DE2657840B2 (de) * | 1976-12-21 | 1979-07-26 | Sueddeutsche Kuehlerfabrik Julius Fr. Behr Gmbh & Co Kg, 7000 Stuttgart | Kühlanlage für Brennkraftmaschinen |
DE3446950C1 (de) * | 1984-12-21 | 1986-05-22 | Bayerische Motoren Werke AG, 8000 München | Steuervorrichtung fuer die Kuehlluft luft-fluessigkeits-gekuehlter Brennkraftmaschinen,insbesondere von Kraftfahrzeugen |
DE3545650A1 (de) | 1985-12-21 | 1987-06-25 | Audi Ag | Kraftfahrzeug mit gekapselter brennkraftmaschine |
FR2607759B1 (fr) * | 1986-12-08 | 1990-10-19 | Peugeot | Buse de ventilateur d'un vehicule automobile |
DE3942010C2 (de) * | 1989-12-20 | 2001-05-10 | Audi Ag | Vorrichtung zum Steuern zumindest einer Kühlluft-Klappe |
DE4132572C2 (de) * | 1991-09-30 | 1995-07-06 | Bayerische Motoren Werke Ag | Kraftfahrzeug mit einem thermisch gekapselten Antriebsaggregat |
DE4304336A1 (de) * | 1993-02-13 | 1994-08-18 | Audi Ag | Vorrichtung zum Steuern zumindest einer Kühlluftklappe |
DE19713712C1 (de) * | 1997-04-03 | 1998-04-16 | Laengerer & Reich Gmbh & Co | Radialventilator, insbesonders als Lüfter für die Kühlanlage eines Kraftfahrzeuges |
DE19724728C2 (de) | 1997-06-12 | 2003-01-30 | Modine Mfg Co | Kühleranordnung und luftgekühlter Kühler |
DE59904721D1 (de) | 1999-04-16 | 2003-04-30 | Modine Mfg Co | Kühlanlage |
US6129056A (en) * | 1999-08-23 | 2000-10-10 | Case Corporation | Cooling system for work vehicle |
DE19950755A1 (de) | 1999-10-21 | 2001-04-26 | Modine Mfg Co | Kühlanlage III |
DE19950754A1 (de) * | 1999-10-21 | 2001-04-26 | Modine Mfg Co | Kühlanlage II |
-
2001
- 2001-04-21 DE DE10119591A patent/DE10119591A1/de not_active Withdrawn
-
2002
- 2002-02-15 DE DE2002501256 patent/DE50201256D1/de not_active Expired - Fee Related
- 2002-02-15 ES ES02003493T patent/ES2230403T3/es not_active Expired - Lifetime
- 2002-02-15 EP EP02003493A patent/EP1251324B1/de not_active Expired - Lifetime
- 2002-02-15 AT AT02003493T patent/ATE279707T1/de not_active IP Right Cessation
- 2002-04-08 US US10/118,265 patent/US20020152766A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE10119591A1 (de) | 2002-10-24 |
ATE279707T1 (de) | 2004-10-15 |
DE50201256D1 (de) | 2004-11-18 |
EP1251324A1 (de) | 2002-10-23 |
US20020152766A1 (en) | 2002-10-24 |
ES2230403T3 (es) | 2005-05-01 |
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