EP1264970A1 - Oil pan especially for an engine or a transmission - Google Patents
Oil pan especially for an engine or a transmission Download PDFInfo
- Publication number
- EP1264970A1 EP1264970A1 EP02010191A EP02010191A EP1264970A1 EP 1264970 A1 EP1264970 A1 EP 1264970A1 EP 02010191 A EP02010191 A EP 02010191A EP 02010191 A EP02010191 A EP 02010191A EP 1264970 A1 EP1264970 A1 EP 1264970A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil pan
- inner shell
- coolant
- outer shell
- shell
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0025—Oilsumps with heat exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0066—Oilsumps with passages in the wall, e.g. for axles or fluid passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
- F01M2011/0091—Oilsumps characterised by used materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
- F28F2255/143—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded injection molded
Definitions
- the invention relates to an oil pan, in particular for a Internal combustion engine or a transmission, which at least partially double-walled with an inner shell and one Outer shell is executed, being between the shells Coolant for the inner shell can flow.
- Such an oil pan is known from DE 31 42 327 A1.
- the inner shell and the outer shell are used in the known oil pan formed by two metal containers, which are connected to each other via an elastic element are.
- the disadvantage of the well-known oil pan is that its Manufacturing is relatively expensive and complex because of a variety handled by different parts and components must become. Furthermore, the cooling of the oil in the oil pan not optimal.
- the present invention therefore has the task of a To form oil pan of the type mentioned at the beginning, that it can be manufactured inexpensively and that it can be Operation optimally cools the oil collected in it.
- This task is the one mentioned in an oil pan Kind solved in that the heat exchanger between Coolant and ambient air is integrated in the oil pan.
- the advantage of the oil pan according to the invention is that no separate heat exchanger for cooling the warm Coolant is required. Instead it is Heat exchanger integrated in the oil pan itself. hereby becomes the number of parts to be handled during assembly reduces what lowers manufacturing costs.
- the outer shell is optimal as a heat exchanger works, it can be made of a material with good Thermal conductivity. Also a large contact area between the outer shell and the ambient air is advantageous.
- the outer shell made of metal and the inner shell made of plastic at least in some areas are manufactured.
- the advantage is that the manufacture the inner shell made of plastic is very inexpensive.
- the good formability of plastic offers the possibility to design the inner shell in such a way that the oil collected in it with regard to the cooling effect flows optimally. For example, through recesses or ribs channels protruding into the collecting space of the oil be created which the oil with regard to one for the cooling flow optimally in the oil pan to let.
- the oil pan is simple and inexpensive to implement.
- the inner shell advantageously made in plastic injection molding is.
- This manufacturing process can also be complex Shapes of the inner shell in an inexpensive way getting produced.
- the inner shell can be thin-walled. This further facilitates the production of even complex shapes on the inner shell.
- the thin wall means that the inner shell itself has no significant stiffness having. Protection against damage, for example due to external impacts, stone chips, etc. the metal outer shell.
- Oil pan according to the invention in which between the inner shell and Outer shell spacers exist between which Flow channels for the coolant are formed.
- Spacers stabilize the oil pan overall and ensure a defined flow of coolant between the two bowls. This will make the cooling effect again optimized.
- the inner shell is thin-walled and therefore only low inherent rigidity has such spacers also allow Support the inner shell and thus contribute to it Stability at.
- the entire oil pan becomes particularly stable when the protruding edges of the ribs attached to the outer shell, in particular are glued to it.
- a molded part from one corrugated thermoformed plastic film arranged is preferably jammed, glued or welded.
- a Such deep-drawn molded plastic part is very light to manufacture and enables almost any Flow guides for the coolant.
- the Inner shell has an insert made of metal, which in the Plastic inner shell is preferably injected. On such metal insert forms a cold / heat bridge through which the thermal energy from the oil even better and can be transferred to the coolant more effectively.
- a suitable coolant for the oil pan according to the invention especially oil, water, fuel or air. With these Coolant is derived from thermal energy the oil very effectively possible.
- the outer shell has at least one partially corrugated sheet metal.
- Such a thing corrugated metal sheet has a relatively large surface area, whereby the heat from the coolant is dissipated well to the outside can be.
- Such a corrugated metal sheet is over it easy to manufacture.
- Figure 1 carries an oil pan for an internal combustion engine altogether reference number 10. It is over screws 12 to a crankcase 14 of an internal combustion engine flanged.
- the oil pan 10 includes an inner shell 16 and one Outer shell 18.
- An edge area 20 of the inner shell 16 is between an edge region 22 of the outer shell 18 and the Crankcase 14 of the internal combustion engine jammed.
- Central sections 24 and 26 of the inner shell 16 and the Outer shell 18 are arranged spaced apart from one another, so that there is a space 28 between them.
- the Central areas 24 and 26 are generally trough-shaped educated.
- the outer shell 18 of the oil pan 10 is made of metal.
- the inner shell 16 is made of plastic in one Injection molding process made.
- the wall 28 of the Inner shell 16 is very thin. At them are to the outer shell 18 formed on ribs 30, which with their protruding Close edge of the outer shell 18 (from For reasons of illustration, only one of the ribs is shown in FIG a reference number). In the illustrated in Figure 1
- the protruding edges of the ribs are an exemplary embodiment 30 glued to the outer shell 18.
- the wall 28 of the inner shell 16 and the outer shell 18 are flow channels 32 for a Coolant formed (for reasons of illustration, 1 only one of the flow channels a reference symbol).
- this coolant which is not shown in the figure it can be oil, water, fuel or air act. Oil has the highest heat capacity and leads a leak to no critical contamination of the Engine oil. However, air, fuel and water flow better due to the lower viscosity.
- the coolant is supplied by a coolant pump 34 through the Flow channels 32 pumped.
- the coolant pump 34 can be arranged directly on or in the oil pan 10.
- the Ribs 30 can be designed such that, for example one long coherent spiral Flow channel 32 is formed. But it is also possible that a plurality of parallel flow channels 32 from one Start manifold (not shown) to an end manifold (not shown) leads.
- the coolant in turn transfers the heat absorbed the metallic outer shell 18 and the cooling fins 36 to the ambient air flowing past them. In this way can be on a separate heat exchanger to cool the oil the internal combustion engine can be dispensed with.
- Coolant from the coolant pump 34 through the Flow channels 32 is pumped, a high Heat transfer on the one hand between the inner shell 16 and Coolant and between coolant and Outer shell 18 guaranteed.
- Oil pan 10 is between an inner shell 16 made of metal and a molded part 40 is jammed in the outer shell 18.
- the molding 40 is made of a wave-shaped thermoformed plastic film manufactured. The to the level of the inner shell 16 and the Outer shell 18 in approximately vertical sections of the molded part 40 form the side walls of the flow channels 32.
- the oil pan 10 of Figure 4 includes an outer shell 18, the made from a corrugated metal sheet in some areas is.
- the corrugated area carries this in Figure 4 Reference numeral 42.
- Oil pan 10 has the inner shell 16 an insert 44 Metal on. This is otherwise made of plastic manufactured inner shell 16 injected.
- the stake 44 made of metal also has ribs 30 which on the Outer shell 18 fit tightly and between them Flow channels 32 are formed. Through the use of 44 created a thermal bridge over the inner shell 16.
- the use is multi-part and includes for example perpendicular to the plane of the inner shell 16 standing metallic ledges 44 that go up and down protrude at the bottom like a rib and with a thin one Plastic layer are overmolded.
- the tightness is at such an oil pan 12 guaranteed in any case at the same time good heat conduction from the oil through the Inner shell 16 for the coolant.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Lubricants (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
Description
Die Erfindung betrifft eine Ölwanne, insbesondere für eine Brennkraftmaschine oder ein Getriebe, welche wenigstens bereichsweise doppelwandig mit einer Innenschale und einer Außenschale ausgeführt ist, wobei zwischen den Schalen ein Kühlmittel für die Innenschale strömen kann.The invention relates to an oil pan, in particular for a Internal combustion engine or a transmission, which at least partially double-walled with an inner shell and one Outer shell is executed, being between the shells Coolant for the inner shell can flow.
Eine derartige Ölwanne ist aus der DE 31 42 327 A1 bekannt. Die Innenschale und die Außenschale werden bei der bekannten Ölwanne durch zwei Metallbehälter gebildet, welche über ein elastisches Element miteinander verbunden sind. Der Nachteil der bekannten Ölwanne ist, dass ihre Herstellung relativ teuer und komplex ist, da eine Vielzahl von unterschiedlichen Teilen und Komponenten gehandhabt werden muss. Ferner ist die Kühlung des Öls in der Ölwanne nicht optimal.Such an oil pan is known from DE 31 42 327 A1. The inner shell and the outer shell are used in the known oil pan formed by two metal containers, which are connected to each other via an elastic element are. The disadvantage of the well-known oil pan is that its Manufacturing is relatively expensive and complex because of a variety handled by different parts and components must become. Furthermore, the cooling of the oil in the oil pan not optimal.
Die vorliegende Erfindung hat daher die Aufgabe, eine Ölwanne der eingangs genannten Art so weiter zu bilden, dass sie preiswert hergestellt werden kann und sie im Betrieb das in ihr gesammelte Öl optimal kühlt.The present invention therefore has the task of a To form oil pan of the type mentioned at the beginning, that it can be manufactured inexpensively and that it can be Operation optimally cools the oil collected in it.
Diese Aufgabe wird bei einer Ölwanne der eingangs genannten Art dadurch gelöst, dass der Wärmetauscher zwischen Kühlmittel und Umgebungsluft in die Ölwanne integriert ist.This task is the one mentioned in an oil pan Kind solved in that the heat exchanger between Coolant and ambient air is integrated in the oil pan.
Der Vorteil der erfindungsgemäßen Ölwanne liegt darin, dass kein separater Wärmetauscher zur Kühlung des warmen Kühlmittels erforderlich ist. Statt dessen ist der Wärmetauscher in die Ölwanne selbst integriert. Hierdurch wird die Anzahl der bei der Montage handzuhabenden Teile reduziert, was die Fertigungskosten senkt. Damit beispielsweise die Außenschale als Wärmetauscher optimal arbeitet, kann sie aus einem Material mit guter Wärmeleitfähigkeit sein. Auch eine große Kontaktfläche zwischen Außenschale und Umgebungsluft ist vorteilhaft. The advantage of the oil pan according to the invention is that no separate heat exchanger for cooling the warm Coolant is required. Instead it is Heat exchanger integrated in the oil pan itself. hereby becomes the number of parts to be handled during assembly reduces what lowers manufacturing costs. In order to for example, the outer shell is optimal as a heat exchanger works, it can be made of a material with good Thermal conductivity. Also a large contact area between the outer shell and the ambient air is advantageous.
Vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous developments of the invention are in the Subclaims specified.
So wird vorgeschlagen, dass die Außenschale aus Metall und die Innenschale mindestens bereichsweise aus Kunststoff hergestellt sind. Die hat den Vorteil, dass die Herstellung der Innenschale aus Kunststoff sehr preiswert möglich ist. Darüber hinaus bietet die gute Formbarkeit von Kunststoff die Möglichkeit, die Innenschale so auszugestalten, dass das in ihr gesammelte Öl im Hinblick auf die Kühlwirkung optimal strömt. So können beispielsweise durch Vertiefungen oder in den Sammelraum des Öls vorstehende Rippen Kanäle geschaffen werden, welche das Öl im Hinblick auf eine für die Kühlung optimale Art und Weise in der Ölwanne strömen lassen. Derartige Ausbildungen an der Innenschale der Ölwanne sind dann, wenn sie aus Kunststoff ist, einfach und preiswert zu realisieren.So it is proposed that the outer shell made of metal and the inner shell made of plastic at least in some areas are manufactured. The advantage is that the manufacture the inner shell made of plastic is very inexpensive. In addition, the good formability of plastic offers the possibility to design the inner shell in such a way that the oil collected in it with regard to the cooling effect flows optimally. For example, through recesses or ribs channels protruding into the collecting space of the oil be created which the oil with regard to one for the cooling flow optimally in the oil pan to let. Such training on the inner shell of the If it is made of plastic, the oil pan is simple and inexpensive to implement.
Weiterhin ist angegeben, dass die Innenschale vorteilhafterweise im Kunststoff-Spritzguss hergestellt ist. Bei diesem Herstellungsverfahren können auch komplexe Formen der Innenschale auf preiswerte Art und Weise hergestellt werden. It is also stated that the inner shell advantageously made in plastic injection molding is. This manufacturing process can also be complex Shapes of the inner shell in an inexpensive way getting produced.
Ferner kann die Innenschale dünnwandig sein. Dies erleichtert nochmals die Herstellung auch komplexer Formen an der Innenschale. Die Dünnwandigkeit bedeutet allerdings, dass die Innenschale selbst keine wesentliche Steifigkeit aufweist. Der Schutz vor Beschädigungen beispielsweise durch äußere Stöße, Steinschlag, etc. erfolgt daher durch die metallene Außenschale.Furthermore, the inner shell can be thin-walled. This further facilitates the production of even complex shapes on the inner shell. However, the thin wall means that the inner shell itself has no significant stiffness having. Protection against damage, for example due to external impacts, stone chips, etc. the metal outer shell.
Besonders bevorzugt ist jene Weiterbildung der erfindungsgemäßen Ölwanne, bei der zwischen Innenschale und Außenschale Abstandshalter vorhanden sind, zwischen denen Strömungskanäle für das Kühlmittel gebildet sind. Derartige Abstandshalter stabilisieren die Ölwanne insgesamt und sorgen für einen definierten Fluss des Kühlmittels zwischen den beiden Schalen. Hierdurch wird die Kühlwirkung nochmals optimiert. Insbesondere dann, wenn die Innenschale dünnwandig ist und somit nur eine geringe Eigensteifigkeit aufweist, ermöglichen derartige Abstandshalter auch eine Abstützung der Innenschale und tragen so zu deren Stabilität bei.That further training is particularly preferred Oil pan according to the invention, in which between the inner shell and Outer shell spacers exist between which Flow channels for the coolant are formed. such Spacers stabilize the oil pan overall and ensure a defined flow of coolant between the two bowls. This will make the cooling effect again optimized. Especially when the inner shell is thin-walled and therefore only low inherent rigidity has such spacers also allow Support the inner shell and thus contribute to it Stability at.
Dabei wird besonders bevorzugt, wenn an die Innenschale Rippen angeformt sind, welche mit ihrem abragenden Rand an der Außenschale dicht anliegen. In diesem Fall können Innenschale und Abstandshalter in einem Arbeitsgang hergestellt werden, was die Herstellung der erfindungsgemäßen Ölwanne nochmals vereinfacht. Darüber hinaus wirken derartige Rippen insbesondere bei einer dünnwandigen Innenschale versteifend.It is particularly preferred when attached to the inner shell Ribs are formed, which with their protruding edge the outer shell fit tightly. In this case, you can Inner shell and spacers in one step be made what the making of the Oil pan according to the invention again simplified. About that In addition, such ribs are particularly effective in one stiffening thin-walled inner shell.
Besonders stabil wird die gesamte Ölwanne dann, wenn die abragenden Ränder der Rippen an der Außenschale befestigt, insbesondere mit ihr verklebt sind.The entire oil pan becomes particularly stable when the protruding edges of the ribs attached to the outer shell, in particular are glued to it.
Alternativ zu den Rippen ist es möglich, dass zwischen Innenschale und Außenschale ein Formteil aus einer wellenförmig tiefgezogenen Kunststofffolie angeordnet, vorzugsweise verklemmt, verklebt oder verschweißt ist. Eine derartiges tiefgezogenes Kunststoffformteil ist sehr leicht herzustellen und ermöglicht beinahe beliebige Strömungsführungen für das Kühlmittel.As an alternative to the ribs, it is possible that between Inner shell and outer shell a molded part from one corrugated thermoformed plastic film arranged, is preferably jammed, glued or welded. A Such deep-drawn molded plastic part is very light to manufacture and enables almost any Flow guides for the coolant.
Bei einer weiteren besonders bevorzugten Weiterbildung der erfindungsgemäßen Ölwanne wird vorgeschlagen, dass die Innenschale einen Einsatz aus Metall aufweist, der in die Kunststoff-Innenschale vorzugsweise eingespritzt ist. Ein solcher Metalleinsatz bildet eine Kälte-/Wärmebrücke, durch welche die thermische Energie vom Öl noch besser und wirkungsvoller an das Kühlmittel übertragen werden kann. Durch das Einspritzen des Metalleinsatzes in die Kunststoff-Innenschale wird eine sichere Abdichtung zwischen dem Kunststoffbereich und dem Metallbereich der Innenschale gewährleistet, ohne dass die Herstellung der Innenschale zu kompliziert und teuer wird.In a further particularly preferred development of the Oil pan according to the invention it is proposed that the Inner shell has an insert made of metal, which in the Plastic inner shell is preferably injected. On such metal insert forms a cold / heat bridge through which the thermal energy from the oil even better and can be transferred to the coolant more effectively. By injecting the metal insert into the Plastic inner shell becomes a secure seal between the plastic area and the metal area of the Inner shell ensured without the production of the Inner shell becomes too complicated and expensive.
Als Kühlmittel eignet sich für die erfindungsgemäße Ölwanne insbesondere Öl, Wasser, Kraftstoff oder Luft. Mit diesen Kühlmitteln ist die Ableitung der thermischen Energie aus dem Öl sehr wirkungsvoll möglich.A suitable coolant for the oil pan according to the invention especially oil, water, fuel or air. With these Coolant is derived from thermal energy the oil very effectively possible.
Vorteilhaft ist auch, wenn die Außenschale ein mindestens bereichsweise gewelltes Metallblech umfasst. Ein derartig gewelltes Metallblech hat eine relativ große Oberfläche, wodurch die Wärme vom Kühlmittel gut nach außen abgeleitet werden kann. Ein derartig gewelltes Metallblech ist darüber hinaus einfach herzustellen.It is also advantageous if the outer shell has at least one partially corrugated sheet metal. Such a thing corrugated metal sheet has a relatively large surface area, whereby the heat from the coolant is dissipated well to the outside can be. Such a corrugated metal sheet is over it easy to manufacture.
Nachfolgend werden besonders bevorzugte Ausführungsbeispiele der Erfindung unter Bezugnahme auf die beiliegende Zeichnung im Detail erläutert. In der Zeichnung zeigen:
- Figur 1
- einen Schnitt durch einen Bereich eines ersten Ausführungsbeispiels einer Ölwanne;
- Figur 2
- einen Schnitt durch einen Bereich eines zweiten Ausführungsbeispiels einer Ölwanne;
- Figur 3
- einen Schnitt durch einen Bereich eines dritten Ausführungsbeispiels einer Ölwanne;
- Figur 4
- einen Schnitt durch einen Bereich eines vierten Ausführungsbeispiels einer Ölwanne;
- Figur 5
- einen Schnitt durch einen Bereich eines fünften Ausführungsbeispiels einer Ölwanne.
- Figur 6
- einen Schnitt durch einen Bereich eines sechsten Ausführungsbeispiels einer Ölwanne.
- Figure 1
- a section through a portion of a first embodiment of an oil pan;
- Figure 2
- a section through a portion of a second embodiment of an oil pan;
- Figure 3
- a section through a portion of a third embodiment of an oil pan;
- Figure 4
- a section through a portion of a fourth embodiment of an oil pan;
- Figure 5
- a section through a portion of a fifth embodiment of an oil pan.
- Figure 6
- a section through a portion of a sixth embodiment of an oil pan.
In Figur 1 trägt eine Ölwanne für eine Brennkraftmaschine
insgesamt das Bezugszeichen 10. Sie ist über Schrauben 12
an ein Kurbelgehäuse 14 einer Brennkraftmaschine
angeflanscht.In Figure 1 carries an oil pan for an internal combustion engine
altogether
Die Ölwanne 10 umfasst eine Innenschale 16 und eine
Außenschale 18. Ein Randbereich 20 der Innenschale 16 ist
zwischen einem Randbereich 22 der Außenschale 18 und dem
Kurbelgehäuse 14 der Brennkraftmaschine verklemmt.
Zentralabschnitte 24 und 26 der Innenschale 16 bzw. der
Außenschale 18 sind voneinander beabstandet angeordnet, so
dass zwischen ihnen ein Zwischenraum 28 vorhanden ist. Die
Zentralbereiche 24 und 26 sind insgesamt wannenförmig
ausgebildet.The
Die Außenschale 18 der Ölwanne 10 ist aus Metall gefertigt.
Die Innenschale 16 ist aus Kunststoff in einem
Spritzgussverfahren hergestellt. Die Wand 28 der
Innenschale 16 ist sehr dünn. An sie sind zur Außenschale
18 hin Rippen 30 angeformt, welche mit ihrem abragendem
Rand an der Außenschale 18 dicht anliegen (aus
Darstellungsgründen trägt in Figur 1 nur eine der Rippen
ein Bezugszeichen). In dem in Figur 1 dargestellten
Ausführungsbeispiel sind die abragenden Ränder der Rippen
30 mit der Außenschale 18 verklebt.The
Zwischen den Rippen 30, der Wand 28 der Innenschale 16 und
der Außenschale 18 sind Strömungskanäle 32 für ein
Kühlmittel gebildet (aus Darstellungsgründen trägt in Figur
1 nur einer der Strömungskanäle ein Bezugszeichen). Bei
diesem Kühlmittel, welches in der Figur nicht dargestellt
ist, kann es sich um Öl, Wasser, Kraftstoff oder Luft
handeln. Öl hat die höchste Wärmekapazität und führt bei
einer Undichtigkeit zu keiner kritischen Verunreinigung des
Motoröls. Luft, Kraftstoff und Wasser strömen allerdings
aufgrund der geringeren Viskosität besser.Between the
Das Kühlmittel wird von einer Kühlmittelpumpe 34 durch die
Strömungskanäle 32 gepumpt. Die Kühlmittelpumpe 34 kann
direkt an oder in der Ölwanne 10 angeordnet sein. Die
Rippen 30 können so ausgebildet sein, dass beispielsweise
ein einziger langer zusammenhängender spiralförmiger
Strömungskanal 32 gebildet wird. Möglich ist aber auch,
dass eine Vielzahl paralleler Strömungskanäle 32 von einer
Anfangs-Sammelleitung (nicht dargestellt) zu einer End-Sammelleitung
(nicht dargestellt) führt.The coolant is supplied by a
An der Außenschale 18 sind in einem in Einbaulage in etwa
waagrechten Teil des Zentralbereichs 26 nach außen
abstehende Kühlrippen 36 angeformt. Auch hier ist nur eine
der Kühlrippen mit einem Bezugszeichen versehen. Im Betrieb
der Brennkraftmaschine erwärmt sich das Öl (nicht
dargestellt) und wird in der Ölwanne 10 bzw. in deren
Innenschale 16 gesammelt. Durch die dünnwandige Innenschale
16 hindurch gibt das heiße Öl Wärme an das in den
Strömungskanälen 32 strömende Kühlmittel (nicht
dargestellt) ab. Auf diese Weise wird eine "Ölsumpfkühlung"
geschaffen.On the
Das Kühlmittel gibt wiederum die aufgenommene Wärme über
die metallische Außenschale 18 und die Kühlrippen 36 an die
an diesen vorbeiströmende Umgebungsluft ab. Auf diese Weise
kann auf einen separaten Wärmetauscher zur Kühlung des Öls
der Brennkraftmaschine verzichtet werden. Dadurch, dass das
Kühlmittel von der Kühlmittelpumpe 34 durch die
Strömungskanäle 32 gepumpt wird, wird eine hohe
Wärmeübertragung einerseits zwischen Innenschale 16 und
Kühlmittel und andererseits zwischen Kühlmittel und
Außenschale 18 gewährleistet.The coolant in turn transfers the heat absorbed
the metallic
In Figur 2 ist ein zweites Ausführungsbeispiel einer
Ölwanne 10 dargestellt. In dieser Figur und auch in den
nachfolgenden Figuren sind solche Elemente, welche
äquivalente Funktionen zu Elementen aufweisen, welche
bereits im Zusammenhang mit einer #vorhergehenden Figur
beschrieben worden sind, nicht nochmals im Detail
erläutert. Sie tragen darüber hinaus die gleichen
Bezugszeichen.In Figure 2 is a second
Bei dem in Figur 2 dargestellten Ausführungsbeispiel sind
auf der Innenseite der Innenschale 16
Strömungsführungsrippen 38 vorgesehen. Durch diese wird
eine im Hinblick auf die Ableitung der Wärme aus dem Öl in
der Ölwanne 10 optimale Strömungsführung gewährleistet.
Außerdem wird die Kontaktfläche zwischen dem Öl und der
Innenschale vergrößert. Vorteilhafterweise ist die.
Strömungsrichtung des Öls in der Innenschale 16 und die
Strömungsrichtung des Kühlmittels in den Strömungskanälen
32 entgegengesetzt.In the embodiment shown in Figure 2 are
on the inside of the
Bei dem in Figur 3 dargestellten Ausführungsbeispiel einer
Ölwanne 10 ist zwischen einer Innenschale 16 aus Metall und
der Außenschale 18 ein Formteil 40 verklemmt. Das Formteil
40 ist aus einer wellenförmig tiefgezogenen Kunststofffolie
hergestellt. Die zu der Ebene der Innenschale 16 bzw. der
Außenschale 18 in etwa senkrechten Abschnitte des Formteils
40 bilden die seitlichen Wände der Strömungskanäle 32.In the embodiment shown in Figure 3
Die Ölwanne 10 von Figur 4 umfasst eine Außenschale 18, die
aus einem bereichsweise gewellten Metallblech hergestellt
ist. Der gewellte Bereich trägt in Figur 4 das
Bezugszeichen 42.The
Bei dem in Figur 5 dargestellten Ausführungsbeispiel einer
Ölwanne 10 weist die Innenschale 16 einen Einsatz 44 aus
Metall auf. Dieser ist in die ansonsten aus Kunststoff
hergestellte Innenschale 16 eingespritzt. Der Einsatz 44
aus Metall weist ebenfalls Rippen 30 auf, die an der
Außenschale 18 dicht anliegen und zwischen denen
Strömungskanäle 32 gebildet sind. Durch den Einsatz 44 wird
eine Wärmebrücke über die Innenschale 16 hinweg geschaffen.In the embodiment shown in Figure 5
Bei einem anderen Ausführungsbeispiel, welches in Figur 6
dargestellt ist, ist der Einsatz mehrteilig und umfasst
beispielsweise senkrecht zur Ebene der Innenschale 16
stehende metallische Leisten 44, die nach oben und nach
unten rippenartig überstehen und mit einer dünnen
Kunststoffschicht umspritzt sind. Die Dichtigkeit ist bei
einer solchen Ölwanne 12 in jedem Falle gewährleistet bei
gleichzeitig guter Wärmeleitung vom Öl durch die
Innenschale 16 zum Kühlmittel.In another exemplary embodiment, which is shown in FIG
is shown, the use is multi-part and includes
for example perpendicular to the plane of the
Claims (11)
dadurch gekennzeichnet, dass zwischen Innenschale (16) und Außenschale (18) Abstandshalter (30) vorhanden sind, zwischen denen Strömungskanäle (32) für das Kühlmittel gebildet sind.Oil pan (10) according to one of the preceding claims,
characterized in that spacers (30) are provided between the inner shell (16) and outer shell (18), between which flow channels (32) for the coolant are formed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10124071 | 2001-05-16 | ||
DE10124071A DE10124071A1 (en) | 2001-05-16 | 2001-05-16 | Oil sump, for an IC motor or gearbox, is in a double-shell structure to give a coolant flow channel between the shells to cool the lubricating oil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1264970A1 true EP1264970A1 (en) | 2002-12-11 |
EP1264970B1 EP1264970B1 (en) | 2005-04-27 |
Family
ID=7685163
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02010191A Expired - Lifetime EP1264970B1 (en) | 2001-05-16 | 2002-05-15 | Oil pan especially for an engine or a transmission |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1264970B1 (en) |
AT (1) | ATE294320T1 (en) |
DE (2) | DE10124071A1 (en) |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1484480A1 (en) * | 2003-06-03 | 2004-12-08 | Carl Freudenberg KG | Flexible liner for oil sump |
EP1741884A3 (en) * | 2005-06-30 | 2007-02-28 | Mann+Hummel Gmbh | Oil sump in particular for combustion engine |
EP1707771A3 (en) * | 2005-03-29 | 2008-03-26 | Pacific Industrial Co., Ltd. | Mounting structure for oil pan |
DE102008028442A1 (en) * | 2008-06-17 | 2009-12-24 | Rehau Ag + Co. | Oil sump for collecting, storing and cleaning engine oil in internal combustion engine, has heat transmission device for transmission of heat between engine oil provided in oil sump and medium flowing through heat transmission device |
FR2936562A1 (en) * | 2008-09-26 | 2010-04-02 | Peugeot Citroen Automobiles Sa | Engine for vehicle, has lubrication circuit equipped with oil sump that comprises oil compartment for collecting oil, where fluid circulation is formed in oil sump for heating oil by conduction |
CN101165208B (en) * | 2006-10-16 | 2011-01-19 | 西德尔合作公司 | Rotating pressure distributor and carousel-type machine for treating hollow bodies which is equipped therewith |
ITBO20110120A1 (en) * | 2011-03-10 | 2012-09-11 | Sorvex S R L | COGENERATION PLANT |
CN103628950A (en) * | 2013-11-19 | 2014-03-12 | 浙江吉利控股集团有限公司 | Oil pan capable of achieving engine oil cooling function |
CN104179543A (en) * | 2014-08-19 | 2014-12-03 | 唐荣春 | Oil pan radiating device |
DE102015003282A1 (en) * | 2015-03-14 | 2016-09-15 | Neander Motors Ag | Tub system for a machine housing structure of an internal combustion engine |
WO2017108486A1 (en) * | 2015-12-22 | 2017-06-29 | Jaguar Land Rover Limited | Heat transfer apparatus |
CN107131025A (en) * | 2017-07-20 | 2017-09-05 | 重庆理工大学 | Engine sump tank radiator structure |
US9976645B2 (en) | 2014-06-05 | 2018-05-22 | Ford Global Technologies, Llc | System and method of transferring heat between transmission fluid and coolant in oil pan |
GB2563014A (en) * | 2017-05-26 | 2018-12-05 | Jaguar Land Rover Ltd | A method of manufacturing a sump, a sump, and a vehicle comprising a sump |
CN110295968A (en) * | 2019-06-25 | 2019-10-01 | 江苏江淮动力有限公司 | A kind of oil sump with refrigerating function |
CN114364865A (en) * | 2019-11-11 | 2022-04-15 | 宝马股份公司 | Lubricant tank for vehicle and internal combustion engine |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102004034933A1 (en) * | 2004-07-07 | 2006-02-02 | Joma-Polytec Kunststofftechnik Gmbh | Oil pan assembly for a machine, in particular an internal combustion engine and / or a transmission |
DE102006019020A1 (en) * | 2006-04-25 | 2007-10-31 | Mahle International Gmbh | Oil collecting chamber e.g. oil pan, for internal combustion engine of motor vehicle, has housing bordering chamber, where pump for heat exchanger medium is integrated into housing of chamber |
DE102008048793A1 (en) | 2008-09-24 | 2010-03-25 | Mann + Hummel Gmbh | Method for manufacturing plastic oil pan of thermoplastic, particularly for internal-combustion engine or gear, involves welding oil pan that is made of multiple individual units at fusion zones |
DE102012216918A1 (en) * | 2012-09-20 | 2014-03-20 | Zf Friedrichshafen Ag | Oil pan for use as oil reservoir of vehicle i.e. motor car, has oil sump housing provided with housing portions, electrical conductor pattern integrated with housing portions, and electrical control device arranged in one of housing portion |
DE102014113496A1 (en) * | 2014-09-18 | 2016-03-24 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | housing arrangement |
US9777824B2 (en) * | 2014-11-07 | 2017-10-03 | Modine Manufacturing Company | Cooled gear housing assembly |
US20170051821A1 (en) | 2015-08-17 | 2017-02-23 | GM Global Technology Operations LLC | Transmission pan with integrated heat exchanger |
DE102015116430A1 (en) | 2015-09-29 | 2017-03-30 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for conditioning a lubricant for an internal combustion engine |
DE102020203460A1 (en) | 2020-03-18 | 2021-09-23 | Mahle International Gmbh | Cooling device for cooling oil, in particular for an oil filter module |
DE102021103789A1 (en) | 2021-02-18 | 2022-08-18 | Bayerische Motoren Werke Aktiengesellschaft | transmission cooling |
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- 2002-05-15 DE DE50202885T patent/DE50202885D1/en not_active Expired - Fee Related
- 2002-05-15 EP EP02010191A patent/EP1264970B1/en not_active Expired - Lifetime
- 2002-05-15 AT AT02010191T patent/ATE294320T1/en not_active IP Right Cessation
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US4898261A (en) * | 1989-04-10 | 1990-02-06 | Brunswick Corporation | Water cooled plastic oil pan |
FR2721975A1 (en) * | 1994-06-30 | 1996-01-05 | Peugeot | IC engine oil sump heat exchanger |
JPH09195744A (en) * | 1996-01-17 | 1997-07-29 | Toyota Motor Corp | Fitting construction of oil filter |
DE19735445A1 (en) * | 1997-06-17 | 1999-01-07 | Ibs Filtran Kunststoff Metall | Oil sump case for engines or gearboxes |
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Cited By (23)
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FR2855846A1 (en) * | 2003-06-03 | 2004-12-10 | Meillor Sa | FLEXIBLE SHIRT CASE |
EP1484480A1 (en) * | 2003-06-03 | 2004-12-08 | Carl Freudenberg KG | Flexible liner for oil sump |
EP1707771A3 (en) * | 2005-03-29 | 2008-03-26 | Pacific Industrial Co., Ltd. | Mounting structure for oil pan |
EP1741884A3 (en) * | 2005-06-30 | 2007-02-28 | Mann+Hummel Gmbh | Oil sump in particular for combustion engine |
CN101165208B (en) * | 2006-10-16 | 2011-01-19 | 西德尔合作公司 | Rotating pressure distributor and carousel-type machine for treating hollow bodies which is equipped therewith |
DE102008028442A1 (en) * | 2008-06-17 | 2009-12-24 | Rehau Ag + Co. | Oil sump for collecting, storing and cleaning engine oil in internal combustion engine, has heat transmission device for transmission of heat between engine oil provided in oil sump and medium flowing through heat transmission device |
FR2936562A1 (en) * | 2008-09-26 | 2010-04-02 | Peugeot Citroen Automobiles Sa | Engine for vehicle, has lubrication circuit equipped with oil sump that comprises oil compartment for collecting oil, where fluid circulation is formed in oil sump for heating oil by conduction |
ITBO20110120A1 (en) * | 2011-03-10 | 2012-09-11 | Sorvex S R L | COGENERATION PLANT |
WO2012120482A1 (en) * | 2011-03-10 | 2012-09-13 | Sorvex S.R.L. | Cogeneration plant |
CN103628950A (en) * | 2013-11-19 | 2014-03-12 | 浙江吉利控股集团有限公司 | Oil pan capable of achieving engine oil cooling function |
US9976645B2 (en) | 2014-06-05 | 2018-05-22 | Ford Global Technologies, Llc | System and method of transferring heat between transmission fluid and coolant in oil pan |
CN104179543A (en) * | 2014-08-19 | 2014-12-03 | 唐荣春 | Oil pan radiating device |
DE102015003282B4 (en) * | 2015-03-14 | 2017-06-29 | Neander Motors Ag | Tub system for a machine housing structure of an internal combustion engine |
DE102015003282A1 (en) * | 2015-03-14 | 2016-09-15 | Neander Motors Ag | Tub system for a machine housing structure of an internal combustion engine |
US10221731B2 (en) | 2015-03-14 | 2019-03-05 | Neander Motors Ag | Pan system for an engine housing structure of an internal combustion engine |
WO2017108486A1 (en) * | 2015-12-22 | 2017-06-29 | Jaguar Land Rover Limited | Heat transfer apparatus |
GB2545902A (en) * | 2015-12-22 | 2017-07-05 | Jaguar Land Rover Ltd | Heat transfer apparatus |
GB2545902B (en) * | 2015-12-22 | 2018-10-03 | Jaguar Land Rover Ltd | Heat transfer apparatus |
GB2563014A (en) * | 2017-05-26 | 2018-12-05 | Jaguar Land Rover Ltd | A method of manufacturing a sump, a sump, and a vehicle comprising a sump |
CN107131025A (en) * | 2017-07-20 | 2017-09-05 | 重庆理工大学 | Engine sump tank radiator structure |
CN107131025B (en) * | 2017-07-20 | 2020-03-13 | 重庆理工大学 | Engine oil pan heat radiation structure |
CN110295968A (en) * | 2019-06-25 | 2019-10-01 | 江苏江淮动力有限公司 | A kind of oil sump with refrigerating function |
CN114364865A (en) * | 2019-11-11 | 2022-04-15 | 宝马股份公司 | Lubricant tank for vehicle and internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
ATE294320T1 (en) | 2005-05-15 |
EP1264970B1 (en) | 2005-04-27 |
DE10124071A1 (en) | 2002-12-05 |
DE50202885D1 (en) | 2005-06-02 |
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