EP2154342A1 - Oil cooler-oil pump device for a combustion engine - Google Patents

Oil cooler-oil pump device for a combustion engine Download PDF

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Publication number
EP2154342A1
EP2154342A1 EP09167633A EP09167633A EP2154342A1 EP 2154342 A1 EP2154342 A1 EP 2154342A1 EP 09167633 A EP09167633 A EP 09167633A EP 09167633 A EP09167633 A EP 09167633A EP 2154342 A1 EP2154342 A1 EP 2154342A1
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EP
European Patent Office
Prior art keywords
oil
oil pump
cooler
oil cooler
pump device
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Granted
Application number
EP09167633A
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German (de)
French (fr)
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EP2154342B1 (en
Inventor
Herbert Jainek
Thomas Jessberger
Axel Kravanja
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Mann and Hummel GmbH
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Mann and Hummel GmbH
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Publication of EP2154342A1 publication Critical patent/EP2154342A1/en
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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
    • 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
    • F01M2011/007—Oil pickup tube to oil pump, e.g. strainer
    • 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
    • F01M2011/0079—Oilsumps with the oil pump integrated or fixed to sump

Definitions

  • the invention relates to an oil cooler oil pump device for an internal combustion engine according to the preamble of claim 1.
  • An oil pump module which unites an oil pump, an oil cooler and an oil filter in a common structural unit.
  • the oil cooler sits in a plastic housing, the oil pump is laterally flanged to the plastic housing.
  • the oil pump module is pressed on the plastic housing against the crankcase of an internal combustion engine and is driven by this.
  • Such oil pump modules suck oil from an oil pan and convey it to the oil cooler and an oil cooler downstream oil filter, from where the cooled and purified oil is passed to the lubrication points of the engine.
  • the invention has for its object to reduce pressure losses in oil cooler oil pump devices for internal combustion engines.
  • the oil cooler and the oil pump are disposed outside of an oil pan placed below the crankcase of the internal combustion engine.
  • Oil pump and oil cooler are located on different sides of the wall of the oil pan and are directly connected via a connecting pipe. Due to the integration of the oil pump in the oil pan, the oil in the oil sump of the oil sump oil is sucked in the shortest possible distance from the oil pump and passed through the connecting pipe to the oil cooler on the outside of the oil sump.
  • the connecting tube preferably extends through a recess in the oil sump wall, wherein in principle also embodiments are contemplated in which the connecting tube is arranged in the region of the end edge of the sump wall.
  • the oil cooler is conveniently located directly on the outside of the sump to minimize the distance the oil must travel from the sump to the oil cooler.
  • the attachment of the oil cooler on the outside of the oil pan is preferably carried out via a flange plate on the oil cooler, through which the connecting pipe is passed.
  • the connecting tube thus extends through the wall of the oil sump and through the flange plate.
  • the oil pump has a suction pipe for sucking the oil from the oil sump of the oil pan, wherein the oil suction pipe is advantageously integrated into the housing of the oil pump and formed integrally therewith.
  • the oil pump housing and the oil suction tube are preferably made of a light metal such as aluminum. In the oil suction can be arranged in the region of the free end face an oil screen.
  • the ⁇ lsaugrohr preferably projects obliquely down into the oil sump, so that the sucked oil is conveyed by the pump unit of the oil pump obliquely up to an outlet port, which is connected to the connecting pipe.
  • the connecting tube which is preferably rectilinear, extends in particular horizontally between the oil pump and the oil cooler. In this way, it is ensured at least when driving on a level road that from the oil pump no conveying work to overcome the height in the connecting pipe must be expended.
  • the oil pump is preferably designed as a gear pump, in principle, other pump designs come into consideration.
  • a mounting flange is integrally formed with the oil pump housing, which is connected to a ⁇ lwannenwandung on the inside of the oil pan, in particular in the region of the tub bottom or a shoulder formed in the oil pan. But it is also possible to attach the mounting flange on the inside of the oil sump wall, on the outside of the oil cooler is arranged.
  • an oil cooler oil pump device 1 which comprises an oil cooler 2 and an oil pump 3 and in or on an oil pan 4 a Internal combustion engine is arranged.
  • the oil cooler 2 is attached to the outside of a boundary wall 5 of the oil pan 4, the oil pump 3 is located in the interior of the oil pan 4.
  • Via a connecting pipe 6 which is integrally formed with the oil cooler 2 and which extends horizontally through the boundary wall. 5 extends through the oil pan 5, the oil cooler 2 and the oil pump 3 are interconnected.
  • the oil cooler 2 has a flat flange plate 7, with which the oil cooler 2 is attached to the outside of the boundary wall 2.
  • the flange plate 7 also receives the connecting pipe 6, which is in particular formed integrally with the flange plate 7.
  • fastening elements 8 are arranged, which are designed as screws and with which the flange plate 7 is fixed to the outside of the boundary wall 5.
  • the flange plate 7 In the mounted position, the flange plate 7 is parallel to the outside of the boundary wall 5, wherein in a regular driving situation with a flat surface, the flange plate 7 extends in a vertical plane, so that the perpendicular to the plane of the flange plate 7 protruding connecting pipe 6 assumes a horizontal position.
  • This has the advantage that on level ground no height difference over the connecting pipe 6 must be overcome.
  • the oil pump 3 in the interior of the oil pan 4 has an oil suction pipe 9, which is in particular formed integrally with the oil pump housing, wherein the oil pump housing and oil suction pipe 9 preferably from a Alloy metal such as aluminum.
  • the free end of the ⁇ lsaugrohrs 9 is directed to the bottom 10 of the oil pan 4, which forms an oil sump with oil absorbed therein in operation.
  • an oil sieve 11 is integrated into the oil suction pipe 9.
  • a mounting flange 13 is formed, via which the oil pump 3 is to be connected to the oil pan 4.
  • fastening eyes 14 are integrally formed fastening eyes 14 for receiving fasteners, such as screws, with which the mounting flange is to be attached to a raised shoulder 15 of the oil pan.
  • the paragraph 15 extends angularly in the interior of the oil pan, the top of the shoulder 15 is below, ie at an axial distance from the end face of the peripheral boundary wall of the oil pan, but at the same time higher than the bottom 10 of the oil pan.
  • Fig. 1 is integrally formed with the oil pump housing 12 of the gear pump designed as an oil pump 3 on the connecting pipe 6 side facing a pipe socket 16 which is designed as an elbow and in the mounted position ( Fig. 2 ) is connected to the connecting pipe 6.
  • the pipe socket 16 equalizes the angle between the obliquely downwardly directed ⁇ lsaugrohr 9 and the horizontal connecting pipe 6; this angle is in an angle range between 0 ° and 90 °, for example at 45 °.
  • the free end face of the pipe socket 16 is provided with an enlarged diameter, in which the connecting pipe 6 can be inserted.
  • the oil pump 3 is adjacent to the boundary wall 5, on the outside of the oil cooler 2 is arranged. This has the advantage that relatively short tube lengths for the connecting tube 6 and the pipe socket 16 are sufficient.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

The oil cooler is arranged directly at the oil pan of the internal combustion engine in outer area. The oil cooler is connected directly with an oil pump by a pipe, and the pipe is integrated in the cooler. The oil cooler is connected with an oil pump with a pipe line for supplying the oil to be cooled.

Description

Technisches GebietTechnical area

Die Erfindung bezieht sich auf eine Ölkühler-Ölpumpen-Einrichtung für eine Brennkraftmaschine nach dem Oberbegriff des Anspruches 1.The invention relates to an oil cooler oil pump device for an internal combustion engine according to the preamble of claim 1.

Stand der TechnikState of the art

Aus der DE 197 39 668 A1 ist ein Ölpumpenmodul bekannt, das in einer gemeinsamen Baueinheit eine Ölpumpe, einen Ölkühler und einen Ölfilter vereinigt. Der Ölkühler sitzt in einem Kunststoffgehäuse, die Ölpumpe ist seitlich an das Kunststoffgehäuse angeflanscht. Das Ölpumpenmodul ist über das Kunststoffgehäuse gegen das Kurbelgehäuse einer Verbrennungskraftmaschine angedrückt und wird von dieser angetrieben.From the DE 197 39 668 A1 An oil pump module is known which unites an oil pump, an oil cooler and an oil filter in a common structural unit. The oil cooler sits in a plastic housing, the oil pump is laterally flanged to the plastic housing. The oil pump module is pressed on the plastic housing against the crankcase of an internal combustion engine and is driven by this.

Derartige Ölpumpenmodule saugen Öl aus einer Ölwanne an und fördern dieses zum Ölkühler und einem dem Ölkühler nachgeschalteten Ölfilter, von wo aus das gekühlte und gereinigte Öl zu den Schmierstellen des Motors geleitet wird.Such oil pump modules suck oil from an oil pan and convey it to the oil cooler and an oil cooler downstream oil filter, from where the cooled and purified oil is passed to the lubrication points of the engine.

Allgemein ist beim Ölkreislauf auf einen möglichst geringen Druckverlust zu achten, um die Antriebsleistung für die Ölpumpe und damit zusammenhängend den Kraftstoffverbrauch gering zu halten. Druckverluste im Ölkreislauf entstehen beispielsweise durch lange Ölleitungen und durch Umlenkungen.In general, the lowest possible pressure loss in the oil circuit, in order to keep the drive power for the oil pump and related fuel consumption low. Pressure losses in the oil circuit are caused, for example, by long oil lines and by deflections.

Der Erfindung liegt die Aufgabe zugrunde, Druckverluste in Ölkühler-Ölpumpen-Einrichtungen für Brennkraftmaschinen zu verringern.The invention has for its object to reduce pressure losses in oil cooler oil pump devices for internal combustion engines.

Offenbarung der ErfindungDisclosure of the invention

Diese Aufgabe wird erfindungsgemäß mit den Merkmalen des Anspruches 1 gelöst. Die Unteransprüche geben zweckmäßige Weiterbildungen an.This object is achieved with the features of claim 1. The dependent claims indicate expedient developments.

Bei der erfindungsgemäßen Ölfilter-Ölpumpen-Einrichtung für eine Brennkraftmaschine sind der Ölkühler und die Ölpumpe außerhalb bzw. innerhalb einer Ölwanne angeordnet, die unterhalb des Kurbelgehäuses der Brennkraftmaschine platziert ist. Ölpumpe und Ölkühler befinden sich auf verschiedenen Seiten der Wandung der Ölwanne und sind über ein Verbindungsrohr unmittelbar miteinander verbunden. Auf Grund der Integration der Ölpumpe in die Ölwanne wird das im Ölsumpf der Ölwanne befindliche Öl auf kürzestmöglichem Weg von der Ölpumpe angesaugt und über das Verbindungsrohr zum Ölkühler auf der Ölwannenaußenseite geleitet. Das Verbindungsrohr erstreckt sich vorzugsweise durch eine Ausnehmung in der Ölwannenwandung hindurch, wobei grundsätzlich auch Ausführungen in Betracht kommen, in denen das Verbindungsrohr im Bereich der Stirnkante der Ölwannenwandung angeordnet ist. Der Ölkühler befindet sich zweckmäßigerweise unmittelbar an der Außenseite der Ölwanne, um die Wege möglichst klein zu halten, die das Öl vom Ölsumpf bis zum Ölkühler zurücklegen muss.In the oil filter oil pump device for an internal combustion engine according to the present invention, the oil cooler and the oil pump are disposed outside of an oil pan placed below the crankcase of the internal combustion engine. Oil pump and oil cooler are located on different sides of the wall of the oil pan and are directly connected via a connecting pipe. Due to the integration of the oil pump in the oil pan, the oil in the oil sump of the oil sump oil is sucked in the shortest possible distance from the oil pump and passed through the connecting pipe to the oil cooler on the outside of the oil sump. The connecting tube preferably extends through a recess in the oil sump wall, wherein in principle also embodiments are contemplated in which the connecting tube is arranged in the region of the end edge of the sump wall. The oil cooler is conveniently located directly on the outside of the sump to minimize the distance the oil must travel from the sump to the oil cooler.

Die Befestigung des Ölkühlers an der Außenseite der Ölwanne erfolgt vorzugsweise über eine Flanschplatte am Ölkühler, durch die auch das Verbindungsrohr hindurchgeführt ist. Das Verbindungsrohr erstreckt sich somit durch die Wandung der Ölwanne sowie durch die Flanschplatte hindurch. Bei einer Anordnung der Ölpumpe in unmittelbarer Nachbarschaft zu derjenigen Ölwannenwandung, auf deren Außenseite der Ölkühler angeordnet ist, ist eine kürzestmögliche Ausbildung des Verbindungsrohres zu realisieren. Das Verbindungsrohr ist insbesondere geradlinig ausgeführt, um Druckverluste durch Umlenkungen zu vermeiden.The attachment of the oil cooler on the outside of the oil pan is preferably carried out via a flange plate on the oil cooler, through which the connecting pipe is passed. The connecting tube thus extends through the wall of the oil sump and through the flange plate. In an arrangement of the oil pump in the immediate vicinity of that Ölwannenwandung, on the outside of the oil cooler is arranged, a shortest possible design of the connecting pipe is to be realized. The connecting tube is designed in particular straight, in order to avoid pressure losses due to deflections.

Die Ölpumpe weist ein Saugrohr auf zum Ansaugen des Öls aus dem Ölsumpf der Ölwanne, wobei das Ölsaugrohr zweckmäßigerweise in das Gehäuse der Ölpumpe integriert und einstückig mit diesem ausgebildet ist. Das Ölpumpengehäuse und das Ölsaugrohr bestehen vorzugsweise aus einem Leichtmetall wie Aluminium. In das Ölsaugrohr kann im Bereich des freien, stirnseitigen Endes ein Ölsieb angeordnet sein.The oil pump has a suction pipe for sucking the oil from the oil sump of the oil pan, wherein the oil suction pipe is advantageously integrated into the housing of the oil pump and formed integrally therewith. The oil pump housing and the oil suction tube are preferably made of a light metal such as aluminum. In the oil suction can be arranged in the region of the free end face an oil screen.

Das Ölsaugrohr ragt vorzugsweise schräg nach unten in den Ölsumpf hinein, so dass das angesaugte Öl von der Pumpeneinheit der Ölpumpe schräg nach oben bis zu einem Auslassstutzen gefördert wird, welcher mit dem Verbindungsrohr verbunden ist. Das Verbindungsrohr, welches vorzugsweise geradlinig ausgebildet ist, verläuft insbesondere horizontal zwischen Ölpumpe und Ölkühler. Auf diese Weise ist zumindest bei Fahrten auf ebener Straße sichergestellt, dass von der Ölpumpe keine Förderarbeit zur Höhenüberwindung im Verbindungsrohr aufgewandt werden muss.The Ölsaugrohr preferably projects obliquely down into the oil sump, so that the sucked oil is conveyed by the pump unit of the oil pump obliquely up to an outlet port, which is connected to the connecting pipe. The connecting tube, which is preferably rectilinear, extends in particular horizontally between the oil pump and the oil cooler. In this way, it is ensured at least when driving on a level road that from the oil pump no conveying work to overcome the height in the connecting pipe must be expended.

Die Ölpumpe ist vorzugsweise als Zahnradpumpe ausgebildet, wobei grundsätzlich auch sonstige Pumpenausführungen in Betracht kommen.The oil pump is preferably designed as a gear pump, in principle, other pump designs come into consideration.

Zur Befestigung der Ölpumpe in der Ölwanne ist einteilig mit dem Ölpumpengehäuse ein Befestigungsflansch ausgebildet, der mit einer Ölwannenwandung auf der Innenseite der Ölwanne verbunden wird, insbesondere im Bereich des Wannenbodens bzw. eines Absatzes, der in der Ölwanne ausgebildet ist. Möglich ist aber auch eine Befestigung des Befestigungsflansches an der Innenseite der Ölwannenwandung, auf deren Außenseite der Ölkühler angeordnet ist.To attach the oil pump in the oil pan, a mounting flange is integrally formed with the oil pump housing, which is connected to a Ölwannenwandung on the inside of the oil pan, in particular in the region of the tub bottom or a shoulder formed in the oil pan. But it is also possible to attach the mounting flange on the inside of the oil sump wall, on the outside of the oil cooler is arranged.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Weitere Vorteile und zweckmäßige Ausführungen sind den weiteren Ansprüchen, der Figurenbeschreibung und den Zeichnungen zu entnehmen. Es zeigen:

  • Fig. 1 in perspektivischer Ansicht eine Ölwanne, an der eine Ölkühler-Ölpumpen-Einrichtung angeordnet ist, bestehend aus einem Ölkühler an der Außenseite der Wanne und einer Ölpumpe im Inneren der Wanne,
  • Fig. 2 in Einzeldarstellung die Ölkühler-Ölpumpen-Einrichtung im verbundenen Zustand von Ölkühler und Ölpumpe,
  • Fig. 3 die Ölpumpe in perspektivischer Einzeldarstellung.
Further advantages and expedient embodiments can be taken from the further claims, the description of the figures and the drawings. Show it:
  • Fig. 1 a perspective view of an oil pan, on which an oil cooler oil pump device is arranged, consisting of an oil cooler on the outside of the tub and an oil pump inside the tub,
  • Fig. 2 in detail the oil cooler oil pump device in the connected state of oil cooler and oil pump,
  • Fig. 3 the oil pump in perspective detail.

Gleiche Bauteile sind mit gleichen Bezugszeichen versehen.Identical components are provided with the same reference numerals.

Ausführungsformen der ErfindungEmbodiments of the invention

In Fig. 1 ist ein Ölkühler-Ölpumpen-Einrichtung 1 dargestellt, die einen Ölkühler 2 und eine Ölpumpe 3 umfasst und in bzw. an einer Ölwanne 4 einer Brennkraftmaschine angeordnet ist. Der Ölkühler 2 ist an die Außenseite einer Begrenzungswand 5 der Ölwanne 4 angebracht, die Ölpumpe 3 befindet sich im Innern der Ölwanne 4. Über ein Verbindungsrohr 6, welches einteilig bzw. einstückig mit dem Ölkühler 2 ausgebildet ist und das sich horizontal durch die Begrenzungswand 5 der Ölwanne 5 hindurch erstreckt, sind der Ölkühler 2 und die Ölpumpe 3 miteinander verbunden.In Fig. 1 an oil cooler oil pump device 1 is shown, which comprises an oil cooler 2 and an oil pump 3 and in or on an oil pan 4 a Internal combustion engine is arranged. The oil cooler 2 is attached to the outside of a boundary wall 5 of the oil pan 4, the oil pump 3 is located in the interior of the oil pan 4. Via a connecting pipe 6 which is integrally formed with the oil cooler 2 and which extends horizontally through the boundary wall. 5 extends through the oil pan 5, the oil cooler 2 and the oil pump 3 are interconnected.

Der Ölkühler 2 weist eine ebene Flanschplatte 7 auf, mit der der Ölkühler 2 an der Außenseite der Begrenzungswand 2 befestigt wird. Die Flanschplatte 7 nimmt auch das Verbindungsrohr 6 auf, welches insbesondere einteilig mit der Flanschplatte 7 ausgebildet ist. An der Flanschplatte 7 sind Befestigungselemente 8 angeordnet, welche als Schrauben ausgeführt sind und mit denen die Flanschplatte 7 an der Außenseite der Begrenzungswand 5 befestigt wird. In der montierten Position liegt die Flanschplatte 7 parallel zur Außenseite der Begrenzungswand 5, wobei bei einer regulären Fahrsituation mit ebenem Untergrund die Flanschplatte 7 sich in einer Vertikalebene erstreckt, so dass das senkrecht zur Ebene der Flanschplatte 7 herausragende Verbindungsrohr 6 eine horizontale Lage einnimmt. Dies hat den Vorteil, dass auf ebenem Untergrund keine Höhendifferenz über das Verbindungsrohr 6 überwunden werden muss.The oil cooler 2 has a flat flange plate 7, with which the oil cooler 2 is attached to the outside of the boundary wall 2. The flange plate 7 also receives the connecting pipe 6, which is in particular formed integrally with the flange plate 7. On the flange plate 7 fastening elements 8 are arranged, which are designed as screws and with which the flange plate 7 is fixed to the outside of the boundary wall 5. In the mounted position, the flange plate 7 is parallel to the outside of the boundary wall 5, wherein in a regular driving situation with a flat surface, the flange plate 7 extends in a vertical plane, so that the perpendicular to the plane of the flange plate 7 protruding connecting pipe 6 assumes a horizontal position. This has the advantage that on level ground no height difference over the connecting pipe 6 must be overcome.

Die Ölpumpe 3 im Inneren der Ölwanne 4 weist ein Ölsaugrohr 9 auf, welches insbesondere einteilig mit dem Ölpumpengehäuse ausgebildet ist, wobei Ölpumpengehäuse und Ölsaugrohr 9 vorzugsweise aus einem Leichtmetall wie Aluminium bestehen. Das freie Ende des Ölsaugrohrs 9 ist zum Boden 10 der Ölwanne 4 gerichtet, der im Betrieb einen Ölsumpf mit darin aufgenommenem Öl bildet. Im Bereich der freien Stirnseite ist in das Ölsaugrohr 9 ein Ölsieb 11 integriert.The oil pump 3 in the interior of the oil pan 4 has an oil suction pipe 9, which is in particular formed integrally with the oil pump housing, wherein the oil pump housing and oil suction pipe 9 preferably from a Alloy metal such as aluminum. The free end of the Ölsaugrohrs 9 is directed to the bottom 10 of the oil pan 4, which forms an oil sump with oil absorbed therein in operation. In the area of the free end face, an oil sieve 11 is integrated into the oil suction pipe 9.

Einteilig mit dem Ölpumpengehäuse 12 ist ein Befestigungsflansch 13 ausgebildet, über den die Ölpumpe 3 mit der Ölwanne 4 zu verbinden ist. Im oberen Bereich des Befestigungsflansches 13 befinden sich einteilig ausgebildete Befestigungsaugen 14 zur Aufnahme von Befestigungselementen, beispielsweise Schrauben, mit denen der Befestigungsflansch an einem erhöhten Absatz 15 der Ölwanne zu befestigen ist. Der Absatz 15 erstreckt sich winkelförmig im Innern der Ölwanne, die Oberseite des Absatzes 15 liegt unterhalb, also mit axialem Abstand zur Stirnseite der umlaufenden Begrenzungswand der Ölwanne, jedoch zugleich höher als der Boden 10 der Ölwanne.Integral with the oil pump housing 12, a mounting flange 13 is formed, via which the oil pump 3 is to be connected to the oil pan 4. In the upper part of the mounting flange 13 are integrally formed fastening eyes 14 for receiving fasteners, such as screws, with which the mounting flange is to be attached to a raised shoulder 15 of the oil pan. The paragraph 15 extends angularly in the interior of the oil pan, the top of the shoulder 15 is below, ie at an axial distance from the end face of the peripheral boundary wall of the oil pan, but at the same time higher than the bottom 10 of the oil pan.

Wie aus Fig. 1 in Verbindung mit Fig. 2 und Fig. 3 zu entnehmen, ist einteilig mit dem Ölpumpengehäuse 12 der als Zahnradpumpe ausgeführten Ölpumpe 3 auf der dem Verbindungsrohr 6 zugewandten Seite ein Rohrstutzen 16 ausgebildet, der als Winkelstutzen ausgeführt ist und in der montierten Lage (Fig. 2) mit dem Verbindungsrohr 6 verbunden ist. Der Rohrstutzen 16 gleicht den Winkel zwischen dem schräg nach unten gerichteten Ölsaugrohr 9 und dem horizontalen Verbindungsrohr 6 auf; dieser Winkel liegt in einem Winkelbereich zwischen 0° und 90°, beispielsweise bei 45°. Die freie Stirnseite des Rohrstutzens 16 ist mit einem erweiterten Durchmesser versehen, in den das Verbindungsrohr 6 einführbar ist. In der in der Ölwanne montierten Lage befindet sich die Ölpumpe 3 in Nachbarschaft zu der Begrenzungswand 5, auf deren Außenseite der Ölkühler 2 angeordnet ist. Dies hat den Vorteil, dass verhältnismäßig kurze Rohrlängen für das Verbindungsrohr 6 und den Rohrstutzen 16 ausreichend sind.How out Fig. 1 combined with Fig. 2 and Fig. 3 can be seen, is integrally formed with the oil pump housing 12 of the gear pump designed as an oil pump 3 on the connecting pipe 6 side facing a pipe socket 16 which is designed as an elbow and in the mounted position ( Fig. 2 ) is connected to the connecting pipe 6. The pipe socket 16 equalizes the angle between the obliquely downwardly directed Ölsaugrohr 9 and the horizontal connecting pipe 6; this angle is in an angle range between 0 ° and 90 °, for example at 45 °. The free end face of the pipe socket 16 is provided with an enlarged diameter, in which the connecting pipe 6 can be inserted. In the mounted in the oil pan position, the oil pump 3 is adjacent to the boundary wall 5, on the outside of the oil cooler 2 is arranged. This has the advantage that relatively short tube lengths for the connecting tube 6 and the pipe socket 16 are sufficient.

Claims (11)

Ölkühler-Ölpumpen-Einrichtung für eine Brennkraftmaschine, mit einem Ölkühler (2) und einer Ölpumpe (3), die Öl aus einer Ölwanne (4) der Brennkraftmaschine ansaugt und zum Ölkühler (2) fördert, dadurch gekennzeichnet, dass der Ölkühler (2) auf der Außenseite der Ölwanne (4) angeordnet und die Ölpumpe (3) in die Ölwanne (4) integriert ist, wobei Ölpumpe (3) und Ölkühler (2) über ein Verbindungsrohr (6) unmittelbar miteinander verbunden sind.An oil cooler oil pump device for an internal combustion engine, comprising an oil cooler (2) and an oil pump (3), which draws oil from an oil pan (4) of the internal combustion engine and delivers it to the oil cooler (2), characterized in that the oil cooler (2) arranged on the outside of the oil pan (4) and the oil pump (3) in the oil pan (4) is integrated, wherein the oil pump (3) and oil cooler (2) via a connecting pipe (6) are directly connected. Ölkühler-Ölpumpen-Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Verbindungsrohr (6) einteilig bzw. einstückig mit dem Ölkühler (2) ausgebildet ist.Oil cooler-oil pump device according to claim 1, characterized in that the connecting pipe (6) is formed integrally with the oil cooler (2). Ölkühler-Ölpumpen-Einrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Verbindungsrohr (6) geradlinig ausgeführt ist.Oil cooler-oil pump device according to claim 1 or 2, characterized in that the connecting pipe (6) is rectilinear. Ölkühler-Ölpumpen-Einrichtung nach Anspruch 3, dadurch gekennzeichnet, dass das Verbindungsrohr (6) horizontal zwischen Ölpumpe (3) und Ölkühler (2) verläuft.Oil cooler-oil pump device according to claim 3, characterized in that the connecting pipe (6) extends horizontally between the oil pump (3) and oil cooler (2). Ölkühler-Ölpumpen-Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Ölkühler (2) eine an der Außenseite der Ölwanne (4) zu befestigende Flanschplatte (7) aufweist, wobei das Verbindungsrohr (6) durch die Flanschplatte (7) hindurchgeführt ist.Oil cooler-oil pump device according to one of claims 1 to 4, characterized in that the oil cooler (2) has a on the outside of the oil pan (4) to be fastened flange plate (7), wherein the connecting pipe (6) through the flange plate (7 ) is passed. Ölkühler-Ölpumpen-Einrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Ölpumpe (3) ein Ölsaugrohr (9) zum Ansaugen des Öls aus der Ölwanne (4) zugeordnet ist, wobei das Ölsaugrohr (9) in das Ölpumpengehäuse (12) integriert und einstückig mit dem Ölpumpengehäuse (12) ausgebildet ist.Oil cooler-oil pump device according to one of claims 1 to 5, characterized in that the oil pump (3) is associated with an oil suction pipe (9) for sucking the oil from the oil pan (4), wherein the oil suction pipe (9) in the oil pump housing (12) integrated and integrally formed with the oil pump housing (12). Ölkühler-Ölpumpen-Einrichtung nach Anspruch 6, dadurch gekennzeichnet, dass in dem Ölsaugrohr (9) ein Ölsieb (11) aufgenommen ist.Oil cooler-oil pump device according to claim 6 , characterized in that in the Ölsaugrohr (9) an oil screen (11) is accommodated. Ölkühler-Ölpumpen-Einrichtung nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass das Ölpumpengehäuse (12) und das Ölsaugrohr (9) aus Aluminium gefertigt sind.Oil cooler-oil pump device according to claim 6 or 7, characterized in that the oil pump housing (12) and the Ölsaugrohr (9) are made of aluminum. Ölkühler-Ölpumpen-Einrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass einteilig mit dem Ölpumpengehäuse (12) ein Befestigungsflansch (13) ausgebildet ist, über den die Ölpumpe (3) mit der Innenseite der Ölwanne (4) verbunden ist.Oil cooler-oil pump device according to one of claims 1 to 8, characterized in that integrally with the oil pump housing (12) has a mounting flange (13) is formed, via which the oil pump (3) with the inside of the oil pan (4) is connected. Ölkühler-Ölpumpen-Einrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Ölpumpe (3) und der Ölkühler (2) auf gegenüberliegenden Seiten einer Wandung (5) der Ölwanne (4) angeordnet sind.Oil cooler-oil pump device according to one of claims 1 to 9, characterized in that the oil pump (3) and the oil cooler (2) on opposite sides of a wall (5) of the oil pan (4) are arranged. Ölkühler-Ölpumpen-Einrichtung nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass die Ölpumpe (3) als Zahnradpumpe ausgeführt ist.Oil cooler-oil pump device according to one of claims 1 to 10, characterized in that the oil pump (3) is designed as a gear pump.
EP09167633A 2008-08-14 2009-08-11 Oil cooler-oil pump device for a combustion engine Not-in-force EP2154342B1 (en)

Applications Claiming Priority (1)

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DE202008010864U DE202008010864U1 (en) 2008-08-14 2008-08-14 oil cooler

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EP (1) EP2154342B1 (en)
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Also Published As

Publication number Publication date
US8336515B2 (en) 2012-12-25
ATE528488T1 (en) 2011-10-15
EP2154342B1 (en) 2011-10-12
DE202008010864U1 (en) 2010-01-07
US20100037849A1 (en) 2010-02-18

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