EP2177724A1 - Filter device with a locking device - Google Patents

Filter device with a locking device Download PDF

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Publication number
EP2177724A1
EP2177724A1 EP09172930A EP09172930A EP2177724A1 EP 2177724 A1 EP2177724 A1 EP 2177724A1 EP 09172930 A EP09172930 A EP 09172930A EP 09172930 A EP09172930 A EP 09172930A EP 2177724 A1 EP2177724 A1 EP 2177724A1
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EP
European Patent Office
Prior art keywords
inlet
filter device
outlet
cooler
closure element
Prior art date
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Granted
Application number
EP09172930A
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German (de)
French (fr)
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EP2177724B1 (en
Inventor
Ralf Kiemlen
Josef Rutha
Roland Schützle
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Mahle International GmbH
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Mahle International GmbH
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Publication of EP2177724A1 publication Critical patent/EP2177724A1/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
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • 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
    • F01M11/03—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means
    • F01M2011/031—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means
    • F01M2011/033—Mounting or connecting of lubricant purifying means relative to the machine or engine; Details of lubricant purifying means characterised by mounting means comprising coolers or heat exchangers

Definitions

  • the present invention relates to a filter device for an internal combustion engine.
  • the invention also relates to a motor vehicle with an internal combustion engine having such a filter device.
  • the invention also relates to a closure element for temporary sealing of an opening of a body / volume filled without pressure, preferably a filter device.
  • coolers can be cooled by means of a liquid, then they are attached as a combination module with the filter in the test phase of internal combustion engines on the engine, on the other hand they can be air cooled, then they are usually not on the internal combustion engine, but on the body of the vehicle attached and are connected only after the test phase with the filter device during installation of the internal combustion engine with this. In a cold test, cooling of the internal combustion engine is not required.
  • the filter device is also essential for short-term operation, since in the production resulting metal chips must be filtered out from the beginning of the engine oil.
  • the present invention addresses the problem of providing a filter device in which no engine oil escapes during storage and transport.
  • the invention is based on the general idea of providing in each case a closure device in an inlet / outlet of a filter device for an internal combustion engine oriented in the direction of a cooler device, which opens the associated inlet / outlet openings or channels of the filter device oriented in the direction of the cooler device, provided the filter device is connected to the cooler device and closes, if such a connection of the filter device to the cooler device is not yet done.
  • a closure device in an inlet / outlet of a filter device for an internal combustion engine oriented in the direction of a cooler device, which opens the associated inlet / outlet openings or channels of the filter device oriented in the direction of the cooler device, provided the filter device is connected to the cooler device and closes, if such a connection of the filter device to the cooler device is not yet done.
  • a closure device in an inlet / outlet of a filter device for an internal combustion engine oriented in the direction of a cooler device, which opens the associated inlet / outlet openings or channels of the filter device oriented in
  • the filter device has an inlet / outlet oriented in the direction of the internal combustion engine and the above-mentioned inlet / outlet oriented in the direction of the cooler device, the closure device according to the invention being provided only in the latter inlet / outlet.
  • the closure device With the closure device according to the invention, it is possible to operate the internal combustion engine during a test phase, for example on an engine test bench, without connection to the cooler device, wherein for operating the internal combustion engine in the test phase, the filter device arranged on the internal combustion engine is provided. Since the closure device is designed in such a way that, when the inlet / outlet (inlet / outlet channels, or openings) is closed in the direction of the cooler, there is a bypass through which the filter device flows, one may also be required for the test run of the internal combustion engine Oil filtration done easily.
  • the internal combustion engine together with the filter device can be connected to the radiator via its inlet / outlet oriented in the direction of the radiator, wherein during the connection to the radiator, namely by inserting radiator-side connecting pipe into the inlet / outlet Channels of the filter device, the closure devices are moved and the inlet / outlet openings are opened.
  • the opening of the inlet / outlet of the filter device oriented in the direction of the cooler device only takes place at a point in time at which the filter device is already connected tightly to the connecting piece of the cooler device.
  • the closure device is designed as a closure element, which is mounted like a piston in the one cylinder forming in the direction of the radiator device oriented inlet / outlet of the filter device slidably.
  • a trained closure element can be easily, for example.
  • the closure device embodied as a closure element seals the inlet / outlet of the filter device oriented in the direction of the cooler device and at the same time forms a bypass through which the filter device flows, so that, for example, an oil circuit through the filter device during the relatively short test phase of the Internal combustion engine is given.
  • opening of the inlet / outlet of the filter device oriented in the direction of the cooler device only takes place at a point in time at which the connecting pieces of the cooler device are already introduced tightly into the inlet / outlet of the filter device oriented in the direction of the cooler device, so that an undesired exit Of engine oil can be reliably avoided.
  • a filter device 1 is attached to an internal combustion engine 2 and communicating with it, so that, for example, can be done by the filter device 1, a cooling of engine oil.
  • the filter device 1 Not connected according to the Fig. 1 the filter device 1 to a cooler device 3.
  • the according to the Fig. 1 illustrated state corresponds, for example, that of a test phase of the internal combustion engine 2 on a test bench, in which a filtration of the engine oil is required.
  • the filter device 1 can be connected to the cooler device 3 via an inlet 4 oriented in the direction of the cooler device and also a drain 5 oriented towards the cooler device on the filter device 1.
  • connecting pieces 6 and 7 are provided, wherein intervenes in connected to the cooler device 3 filter device 1, the connecting piece 6 in the sequence 5, while the connecting piece 7 engages in the inlet 4 of the filter device 1, or vice versa, depending on the structure of the cooling device 3 and the filter device.
  • a closure device 8 is respectively provided in the inlet 4 oriented in the direction of the cooler device and the outlet 5 oriented in the direction of the cooler device 10, for example, in the form of a closure element 11 or 12 provided (see. Fig. 3-5 ).
  • a through-flowing through this bypass 9 is possible. Wherein the use of this bypass 9 can be controlled when mounted on the cooler device 3 filter device 1 targeted when needed.
  • the closure device 8, 10 each having a closure element 11, 12, which is piston-like in the cylinder forming inlet 4 and 5 expiry stored.
  • a disc 13 with an associated O-ring seal 14 is arranged on the end side of the respective closure element 11, 12.
  • the respective closure element 11, 12 On its, the disc 13 facing away from the end, the respective closure element 11, 12 on a guide / support means 15, via which the closure element 11, 12 in the inlet / outlet 4, 5 is guided.
  • An axial longitudinal extent of the respective closure element 11, 12 is chosen so that that it comes into contact with the associated cooler-side connecting piece 6, 7 and can be adjusted by the latter via the guiding / supporting device 15 into a position which opens the associated inlet / outlet 4, 5 of the filter device 1.
  • Fig. 3 It is shown how the closure elements 11, 12 can be introduced before the attachment of the filter device 1 to the internal combustion engine 2 in the inlet / outlet 4, 5.
  • Fig. 4 it is shown that the radiator-side connecting pieces 6 and 7, although on the guide / support means 15 of the associated closure elements 11, 12 abut, but not tightly in the respective associated inlet / outlet 4, 5 engage. For this reason, the two closure elements 11, 12 are still in an in the direction of the cooler oriented inlet / outlet 4, 5 occlusive state.
  • the cooler side connecting piece 6, 7 are inserted into the respectively associated inlet / outlet 4, 5, as for example, according to the Fig. 5 is shown, they press the each in the inlet / outlet 4, 5 plugging closure element 11, 12 deeper into the respective inlet / outlet 4, 5 and thereby into a respective inlet / outlet 4, 5 opening state.
  • an opening of the inlet / outlet 4, 5 takes place only at a time at which the radiator-side connecting pieces 6, 7 so far in the inlet / outlet 4, 5 of the filter device 1 intervene that a motor oil outlet are reliably prevented at this point can.
  • the closure elements 11, 12 are designed so that they remain during the entire operation of the filter device 1 in the associated inlet / outlet 4, 5.
  • the closure device 8, 10 and in particular their closure elements 11, 12 are formed from plastic and thereby inexpensive to produce.
  • the filter device 1 With the filter device 1 according to the invention it is thus possible to allow a test run of the internal combustion engine 2 with simultaneous filtration of the engine oil through the filter device 1, while in this state, the cooler device 3 is not yet connected to the filter device 1. If the internal combustion engine 2 is installed together with the filter device 1 in a later production step in a motor vehicle, the filter device 1 is connected to the associated cooler device 3, so that in the further operation of the internal combustion engine 2, especially in a prolonged operation, whose engine oil from the Cooling device 3 can be cooled. The connection is made by inserting the connecting piece 6, 7 in the inlet / outlet 4, 5 of the filter device 1.
  • the piston-like in the inlet / outlet 4, 5 movable closure elements 11, 12 are adjusted so that they open respective inlet / outlet 4, 5 of the filter device 1, so that a communicating connection between the engine 2, filter device 1 and cooler device 3 is given.
  • the opening of the inlet / outlet 4, 5 takes place, however, only at a time at which the connecting pieces 6, 7 so far in the associated inlet / outlet 4, 5 are inserted, that an exit of engine oil into the environment at this point is no longer possible.
  • the closure device 8, 10 according to the invention is extremely inexpensive to produce and can also be used with already existing filter devices 1.
  • the second end of the closure element 11,12 may be dish-shaped and, for example, wear an O-ring seal 14 in order to avoid the entry of dirt in the inlet / outlet 4,5.
  • a filter device 1 wherein the invention is of course transferable to any other body, for example, for any first body of the pressure-less with a Liquid is filled.
  • at least one closure element 11, 12 of the closure device 8, 10 is inserted into at least one inlet / outlet, generally at least one receptacle. This tightly seals the respective receptacle and / or the associated opening.
  • a further body, which has at least one connecting piece is then connected in such a way that the connecting piece of the second body is inserted into the receptacle of the first body, the opening associated with the receptacle is released by displacing the closing device.
  • the liquid can pass from the first to the second body.
  • the liquid can also flow in a circle or flow from one of the two bodies into another.

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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)

Abstract

The filter device (1) has closing devices (8, 10) i.e. closure elements, provided in inlet and outlet units (4, 5) that are oriented in a direction of a radiator device (3). The closing devices close the inlet and outlet units when the filter device is not attached at the radiator device and open the inlet and outlet units when the filter device is attached at the radiator device via the inlet and outlet units. The closing devices are made of plastic. The closure elements exhibit a disk with an O-ring seal at a front side.

Description

Die vorliegende Erfindung betrifft eine Filtereinrichtung für einen Verbrennungsmotor. Die Erfindung betrifft außerdem ein Kraftfahrzeug mit einem, eine derartige Filtereinrichtung aufweisenden Verbrennungsmotor. Die Erfindung betrifft außerdem ein Verschlusselement zum zeitweiligen dichten Verschließen einer Öffnung eines drucklos mit einer Flüssigkeit gefüllten Körpers/Volumens, vorzugsweise einer Filtereinrichtung.The present invention relates to a filter device for an internal combustion engine. The invention also relates to a motor vehicle with an internal combustion engine having such a filter device. The invention also relates to a closure element for temporary sealing of an opening of a body / volume filled without pressure, preferably a filter device.

Bei modernen Verbrennungsmotoren ist es üblich, einen Ölfilter an einen Kühler anzuschließen, um dadurch das Motoröl neben einem Filtrationsprozess gleichzeitig einer Kühlung unterziehen zu können. Solche Kühler können zum einen mittels einer Flüssigkeit gekühlt werden, dann sind sie als Kombinationsmodul mit dem Filter auch in der Testphase von Verbrennungsmotoren am Verbrennungsmotor befestigt, zum anderen können sie luftgekühlt sein, dann sind sie üblicherweise nicht am Verbrennungsmotor, sondern an der Karosserie des Fahrzeugs befestigt und werden erst nach der Testphase mit der Filtereinrichtung beim Einbau des Verbrennungsmotors mit dieser verbunden. Bei einem Kalttest ist eine Kühlung des Verbrennungsmotors nicht erforderlich. Die Filtereinrichtung hingegen ist auch für einen kurzfristigen Betrieb unbedingt erforderlich, da bei der Herstellung anfallende Metallspäne von Anfang an aus dem Motorenöl herausgefiltert werden müssen. Hierdurch entsteht das Problem, dass sowohl der Verbrennungsmotor als auch die Filtereinrichtung nach dem Kalttest mit Motorenöl befüllt sind und diese Einheit aus Verbrennungsmotor und Filtereinrichtung bei der Lagerung und dem Transport bis zum Einbau in ein Kraftfahrzeug dicht bleiben soll bis sie an die Kühlereinrichtung angeschlossen werden kann. Dies soll unerwünschte Verschmutzungen sowohl der Umwelt als auch des Fahrzeuges vermeiden.In modern internal combustion engines, it is customary to connect an oil filter to a radiator in order to be able to simultaneously subject the engine oil to a cooling process in addition to a filtration process. Such coolers can be cooled by means of a liquid, then they are attached as a combination module with the filter in the test phase of internal combustion engines on the engine, on the other hand they can be air cooled, then they are usually not on the internal combustion engine, but on the body of the vehicle attached and are connected only after the test phase with the filter device during installation of the internal combustion engine with this. In a cold test, cooling of the internal combustion engine is not required. The filter device, however, is also essential for short-term operation, since in the production resulting metal chips must be filtered out from the beginning of the engine oil. This creates the problem that both the internal combustion engine and the filter device are filled after the cold test with engine oil and this unit of internal combustion engine and filter device during storage and transport until installation in a motor vehicle should remain tight until it can be connected to the cooler device , This is to avoid unwanted pollution of both the environment and the vehicle.

Die vorliegende Erfindung beschäftigt sich mit dem Problem, eine Filtereinrichtung anzugeben, bei welcher beim Lagern und Transportieren kein Motorenöl austritt.The present invention addresses the problem of providing a filter device in which no engine oil escapes during storage and transport.

Dieses Problem wird erfindungsgemäß durch die Gegenstände der unabhängigen Ansprüche gelöst. Vorteilhafte Ausführungsformen sind Gegenstand der abhängigen Ansprüche.This problem is solved according to the invention by the subject matters of the independent claims. Advantageous embodiments are the subject of the dependent claims.

Die Erfindung beruht auf dem allgemeinen Gedanken, in einem in Richtung einer Kühlereinrichtung orientierten Zu-/Ablauf einer Filtereinrichtung für einen Verbrennungsmotor jeweils eine Verschlusseinrichtung vorzusehen, die die zugehörigen in Richtung der Kühlereinrichtung orientierten Zu-/Ablauföffnungen oder Kanäle der Filtereinrichtung öffnet, sofern die Filtereinrichtung an die Kühlereinrichtung angeschlossen ist und schließt, sofern ein derartiger Anschluss der Filtereinrichtung an die Kühlereinrichtung noch nicht erfolgt ist. Im letzten Fall, dass heißt bei verschlossenem in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf ist dabei ein, die Filtereinrichtung durchströmender Bypass gegeben. Für den Kalttest des Verbrennungsmotors ist u.U. ein Druckausgleichsmittel in Form einer angepressten Platte nötig, da die Verschlusseinrichtungen zwar durch den O-Ring selbstdichtend sind und bei drucklosem Motorenöl an ihrer Position verbleiben, jedoch im Kalttest von unter Druck befindlichem Motorenöl herausgedrückt werden. Generell weist die Filtereinrichtung einen in Richtung des Verbrennungsmotors orientierten Zu-/Ablauf und oben erwähnten in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf auf, wobei die erfindungsgemäße Verschlusseinrichtung lediglich in letzterem Zu-/Ablauf vorgesehen ist. Mit der erfindungsgemäßen Verschlusseinrichtung ist es möglich, den Verbrennungsmotor während einer Testphase, bspw. auf einem Motorenprüfstand, ohne Anschluss an die Kühlereinrichtung zu betreiben, wobei zum Betrieb des Verbrennungsmotors in der Testphase die am Verbrennungsmotor angeordnete Filtereinrichtung vorgesehen ist.
Da die Verschlusseinrichtung dabei derart ausgebildet ist, dass bei verschlossenem in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf (Zu-/Ablauf-Kanäle, bzw. -öffnungen) ein die Filtereinrichtung durchströmender Bypass gegeben ist, kann eine auch für den Testlauf des Verbrennungsmotors erforderliche Ölfiltration problemlos erfolgen. Ist der Testlauf erfolgreich abgeschlossen, kann der Verbrennungsmotor samt der Filtereinrichtung über deren in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf mit der Kühlereinrichtung verbunden werden, wobei während des Verbindens mit der Kühlereinrichtung, nämlich durch ein Einstecken von kühlerseitigen Anschlussstutzen in die Zu-/Ablauf-Kanäle der Filtereinrichtung die Verschlusseinrichtungen verschoben werden und die Zu-/Ablauföffnungen geöffnet werden. Dabei erfolgt die Öffnung des in Richtung der Kühlereinrichtung orientierten Zu-/Ablaufs der Filtereinrichtung erst zu einem Zeitpunkt, an welchem die Filtereinrichtung bereits dicht mit den Anschlussstutzen der Kühlereinrichtung verbunden ist.The invention is based on the general idea of providing in each case a closure device in an inlet / outlet of a filter device for an internal combustion engine oriented in the direction of a cooler device, which opens the associated inlet / outlet openings or channels of the filter device oriented in the direction of the cooler device, provided the filter device is connected to the cooler device and closes, if such a connection of the filter device to the cooler device is not yet done. In the latter case, that is to say with a closed inlet / outlet oriented in the direction of the cooler device, there is a bypass passing through the filter device. For the cold test of the internal combustion engine, a pressure compensation means in the form of a pressed plate may be necessary, since the closure devices are self-sealing by the O-ring and remain in position with pressureless engine oil, but are pressed out in a cold test of pressurized engine oil. In general, the filter device has an inlet / outlet oriented in the direction of the internal combustion engine and the above-mentioned inlet / outlet oriented in the direction of the cooler device, the closure device according to the invention being provided only in the latter inlet / outlet. With the closure device according to the invention, it is possible to operate the internal combustion engine during a test phase, for example on an engine test bench, without connection to the cooler device, wherein for operating the internal combustion engine in the test phase, the filter device arranged on the internal combustion engine is provided.
Since the closure device is designed in such a way that, when the inlet / outlet (inlet / outlet channels, or openings) is closed in the direction of the cooler, there is a bypass through which the filter device flows, one may also be required for the test run of the internal combustion engine Oil filtration done easily. If the test run is successfully completed, the internal combustion engine together with the filter device can be connected to the radiator via its inlet / outlet oriented in the direction of the radiator, wherein during the connection to the radiator, namely by inserting radiator-side connecting pipe into the inlet / outlet Channels of the filter device, the closure devices are moved and the inlet / outlet openings are opened. In this case, the opening of the inlet / outlet of the filter device oriented in the direction of the cooler device only takes place at a point in time at which the filter device is already connected tightly to the connecting piece of the cooler device.

Bei einer vorteilhaften Ausbildungsform der erfindungsgemäßen Lösung, ist die Verschlusseinrichtung als Verschlusselement ausgebildet, das kolbenartig in dem einen Zylinder bildenden in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf der Filtereinrichtung verschiebbar gelagert ist. Ein derartig ausgebildetes Verschlusselement lässt sich einfach, bspw. per Hand, bündig in den Zu-/Ablauf der Filtereinrichtung einstecken, woraufhin diese mit dem Verbrennungsmotor verbunden werden kann. Die als Verschlusselement ausgebildete Verschlusseinrichtung dichtet dabei den in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf der Filtereinrichtung ab und bildet gleichzeitig einen die Filtereinrichtung durchströmenden Bypass, so dass beispielsweise ein Ölkreislauf durch die Filtereinrichtung während der relativ kurzen Testphase des Verbrennungsmotors gegeben ist. Beim späteren Anschluss der Filtereinrichtung an die kühlereinrichtungsseitigen Anschlussstutzen, werden diese in den in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf der Filtereinrichtung eingeschoben und bewirken dadurch das kolbenartige Verschieben des Verschlusselements. Durch die Verschiebung des derart ausgebildeten Verschlusselements, wird der in Richtung der Kühlereinrichtung orientierte Zu-/Ablauf der Filtereinrichtung geöffnet, so dass bei vollständig am Kühler montierter Filtereinrichtung ein Ölkreislauf vom Verbrennungsmotor durch den Filter und die Kühlereinrichtung und wieder zurück durch die Filtereinrichtung zum Verbrennungsmotor gegeben ist. Dabei erfolgt ein Öffnen des in Richtung der Kühlereinrichtung orientierten Zu-/Ablaufs der Filtereinrichtung erst zu einem Zeitpunkt, zu dem die Anschlussstutzen der Kühlereinrichtung bereits dicht in den in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf der Filtereinrichtung eingeführt sind, so dass ein unerwünschter Austritt von Motorenöl zuverlässig vermieden werden kann.In an advantageous embodiment of the solution according to the invention, the closure device is designed as a closure element, which is mounted like a piston in the one cylinder forming in the direction of the radiator device oriented inlet / outlet of the filter device slidably. Such a trained closure element can be easily, for example. By hand, plug flush into the inlet / outlet of the filter device, whereupon it can be connected to the engine. The closure device embodied as a closure element seals the inlet / outlet of the filter device oriented in the direction of the cooler device and at the same time forms a bypass through which the filter device flows, so that, for example, an oil circuit through the filter device during the relatively short test phase of the Internal combustion engine is given. During subsequent connection of the filter device to the cooler side connecting piece, they are inserted into the oriented in the direction of the cooler inlet / outlet of the filter device and thereby cause the piston-like displacement of the closure element. As a result of the displacement of the closure element formed in this way, the inlet / outlet of the filter device oriented in the direction of the cooler device is opened, so that when the filter device is completely mounted on the cooler, an oil circuit from the internal combustion engine passes through the filter and the cooler device and back again through the filter device to the internal combustion engine is. In this case, opening of the inlet / outlet of the filter device oriented in the direction of the cooler device only takes place at a point in time at which the connecting pieces of the cooler device are already introduced tightly into the inlet / outlet of the filter device oriented in the direction of the cooler device, so that an undesired exit Of engine oil can be reliably avoided.

Weitere wichtige Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen, aus den Zeichnungen und aus der zugehörigen Figurenbeschreibung anhand der Zeichnungen.Other important features and advantages of the invention will become apparent from the dependent claims, from the drawings and from the associated figure description with reference to the drawings.

Es versteht sich, dass die vorstehend genannten und die nachstehend noch zu erläuternden Merkmale nicht nur in der jeweils angegebenen Kombination, sondern auch in anderen Kombinationen oder in Alleinstellung verwendbar sind, ohne den Rahmen der vorliegenden Erfindung zu verlassen.It is understood that the features mentioned above and those yet to be explained below can be used not only in the particular combination given, but also in other combinations or in isolation, without departing from the scope of the present invention.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und wird in der nachfolgenden Beschreibung näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional gleiche Bauteile beziehen.Preferred embodiments of the invention are illustrated in the drawings and will be described in more detail in the following description, wherein like reference numerals refer to the same or similar or functionally identical components.

Dabei zeigen, jeweils schematisch,

Fig. 1
eine stark schematisierte Ansicht einer erfindungsgemäßen Filtereinrichtung in einem nicht an eine Kühlereinrichtung angeschlossenen Zustand,
Fig. 2
eine Darstellung wie in Fig. 1, jedoch im an die Kühlereinrichtung angeschlossen Zustand,
Fig. 3
die Filtereinrichtung vor dem Einsetzen der Verschlusseinrichtung,
Fig. 4
eine Darstellung wie in Fig. 1,
Fig. 5
eine Darstellung wie in Fig. 2.
Show, in each case schematically,
Fig. 1
a highly schematic view of a filter device according to the invention in a state not connected to a cooler device,
Fig. 2
a representation like in Fig. 1 but in the state connected to the cooler,
Fig. 3
the filter device before insertion of the closure device,
Fig. 4
a representation like in Fig. 1 .
Fig. 5
a representation like in Fig. 2 ,

Entsprechend der Fig. 1, ist eine Filtereinrichtung 1 an einen Verbrennungsmotor 2 angebaut und kommunizierend mit diesem verbunden, so dass durch die Filtereinrichtung 1 bspw. eine Kühlung von Motoröl erfolgen kann. Nicht angeschlossen ist gemäß der Fig. 1 die Filtereinrichtung 1 an eine Kühlereinrichtung 3. Der gemäß der Fig. 1 dargestellte Zustand entspricht dabei bspw. dem einer Testphase des Verbrennungsmotors 2 auf einem Prüfstand, bei welcher eine Filtration des Motorenöls erforderlich ist. Verbunden werden kann die Filtereinrichtung 1 mit der Kühlereinrichtung 3 über einen in Richtung der Kühlereinrichtung orientierten Zulauf 4 sowie einen ebenfalls in Richtung der Kühlereinrichtung orientierten Ablauf 5 an der Filtereinrichtung 1. Zum Verbinden mit dem Zu-/Ablauf 4, 5, sind an der Kühlereinrichtung 3 entsprechende Anschlussstutzen 6 und 7 vorgesehen, wobei bei mit der Kühlereinrichtung 3 verbundener Filtereinrichtung 1 der Anschlussstutzen 6 in den Ablauf 5 eingreift, während der Anschlussstutzen 7 in den Zulauf 4 der Filtereinrichtung 1 eingreift, oder umgekehrt, je nach Aufbau der Kühleinrichtung 3 bzw. der Filtereinrichtung 1.According to the Fig. 1 , a filter device 1 is attached to an internal combustion engine 2 and communicating with it, so that, for example, can be done by the filter device 1, a cooling of engine oil. Not connected according to the Fig. 1 the filter device 1 to a cooler device 3. The according to the Fig. 1 illustrated state corresponds, for example, that of a test phase of the internal combustion engine 2 on a test bench, in which a filtration of the engine oil is required. The filter device 1 can be connected to the cooler device 3 via an inlet 4 oriented in the direction of the cooler device and also a drain 5 oriented towards the cooler device on the filter device 1. For connection to the inlet / outlet 4, 5, are at the cooler device 3 corresponding connecting pieces 6 and 7 are provided, wherein intervenes in connected to the cooler device 3 filter device 1, the connecting piece 6 in the sequence 5, while the connecting piece 7 engages in the inlet 4 of the filter device 1, or vice versa, depending on the structure of the cooling device 3 and the filter device. 1

Um bei einem Anbau der Filtereinrichtung 1 zusammen mit dem Verbrennungsmotor 2 an die Kühlereinrichtung 3 ein ungewolltes Austreten von Motorenöl wirkungsvoll verhindert zu können, ist in dem in Richtung der Kühlereinrichtung orientierten Zulauf 4 und dem in Richtung der Kühlereinrichtung orientierten Ablauf 5 jeweils eine Verschlusseinrichtung 8 bzw. 10, bspw. in der Form eines Verschlusselements 11 bzw. 12 vorgesehen (vgl. Fig. 3 - 5). Die Verschlusseinrichtung 8 bzw. 10 sowie die zugehörigen Verschlusselemente 11, 12, verschließen dabei den Zulauf 4 sowie den Ablauf 5, sofern die Filtereinrichtung 1 nicht an die Kühlereinrichtung 3 angeschlossen ist und öffnet den Zu-/Ablauf 4, 5, sofern die Filtereinrichtung 1 an die Kühlereinrichtung 3 angeschlossen ist. In nicht an die Kühlereinrichtung 3 angeschlossenem Zustand, dass heißt bei verschlossenem Zu-/Ablauf 4, 5, ist innerhalb der Filtereinrichtung 1 ein diese durchströmender Bypass 9 möglich. Wobei die Nutzung dieses Bypass 9 bei an die Kühlereinrichtung 3 montierter Filtereinrichtung 1 gezielt bei Bedarf gesteuert werden kann.In order to be able to effectively prevent an unintentional escape of engine oil together with the internal combustion engine 2 to the cooler device 3, a closure device 8 is respectively provided in the inlet 4 oriented in the direction of the cooler device and the outlet 5 oriented in the direction of the cooler device 10, for example, in the form of a closure element 11 or 12 provided (see. Fig. 3-5 ). The closure device 8 or 10 and the associated closure elements 11, 12, thereby closing the inlet 4 and the outlet 5, if the filter device 1 is not connected to the cooler device 3 and opens the inlet / outlet 4, 5, if the filter device. 1 is connected to the cooler 3. In not connected to the cooler device 3 state, that is, with closed inlet / outlet 4, 5, within the filter device 1, a through-flowing through this bypass 9 is possible. Wherein the use of this bypass 9 can be controlled when mounted on the cooler device 3 filter device 1 targeted when needed.

Betrachtet man die Fig. 3 bis 5, so kann man erkennen, dass die Verschlusseinrichtung 8, 10, jeweils ein Verschlusselement 11, 12 aufweist, welches kolbenartig in dem einen Zylinder bildenden Zulauf 4 bzw. Ablauf 5 verschiebbar gelagert ist. Stirnseitig des jeweiligen Verschlusselements 11, 12 ist dabei eine Scheibe 13 mit einer zugehörigen O-Ringdichtung 14 angeordnet. Auf seinem, der Scheibe 13 abgewandten Ende, weist das jeweilige Verschlusselement 11, 12 eine Führungs-/Abstützeinrichtung 15 auf, über welche das Verschlusselement 11, 12 im Zu-/Ablauf 4, 5 geführt ist. Eine axiale Längserstreckung des jeweiligen Verschlusselements 11, 12 ist dabei so gewählt, dass es bei einer Montage auf den zugehörigen kühlerseitigen Anschlussstutzen 6, 7 mit diesem in Kontakt tritt und von diesem über die Führungs-/Abstützeinrichtung 15 in ein dem zugehörigen Zu-/Ablauf 4, 5 der Filtereinrichtung 1 öffnende Position verstellbar ist. In Fig. 3 ist dargestellt, wie die Verschlusselemente 11, 12 vor dem Anbau der Filtereinrichtung 1 an den Verbrennungsmotor 2 in den Zu-/Ablauf 4, 5 eingeführt werden können.Looking at the Fig. 3 to 5 , it can be seen that the closure device 8, 10, each having a closure element 11, 12, which is piston-like in the cylinder forming inlet 4 and 5 expiry stored. In this case, a disc 13 with an associated O-ring seal 14 is arranged on the end side of the respective closure element 11, 12. On its, the disc 13 facing away from the end, the respective closure element 11, 12 on a guide / support means 15, via which the closure element 11, 12 in the inlet / outlet 4, 5 is guided. An axial longitudinal extent of the respective closure element 11, 12 is chosen so that that it comes into contact with the associated cooler-side connecting piece 6, 7 and can be adjusted by the latter via the guiding / supporting device 15 into a position which opens the associated inlet / outlet 4, 5 of the filter device 1. In Fig. 3 It is shown how the closure elements 11, 12 can be introduced before the attachment of the filter device 1 to the internal combustion engine 2 in the inlet / outlet 4, 5.

Gemäß der Fig. 4 ist dabei gezeigt, dass die kühlerseitigen Anschlussstutzen 6 und 7 zwar an der Führungs-/Abstützeinrichtung 15 der zugehörigen Verschlusselemente 11, 12 anliegen, jedoch noch nicht dicht in den jeweils zugehörigen Zu-/Ablauf 4, 5 eingreifen. Aus diesem Grund befinden sich die beiden Verschlusselemente 11, 12 noch in einem den in Richtung der Kühlereinrichtung orientierten Zu-/Ablauf 4, 5 verschließenden Zustand.According to the Fig. 4 it is shown that the radiator-side connecting pieces 6 and 7, although on the guide / support means 15 of the associated closure elements 11, 12 abut, but not tightly in the respective associated inlet / outlet 4, 5 engage. For this reason, the two closure elements 11, 12 are still in an in the direction of the cooler oriented inlet / outlet 4, 5 occlusive state.

Werden nun die kühlereinrichtungsseitigen Anschlussstutzen 6, 7 in den jeweils zugehörigen Zu-/Ablauf 4, 5 eingesteckt, wie dies bspw. gemäß der Fig. 5 gezeigt ist, so drücken diese das jeweils im Zu-/Ablauf 4, 5 steckende Verschlusselement 11, 12 tiefer in den jeweiligen Zu-/Ablauf 4, 5 hinein und dadurch in einen den jeweiligen Zu-/Ablauf 4, 5 öffnenden Zustand. Eine Öffnung des Zu-/Ablaufs 4, 5 erfolgt dabei jedoch erst zu einem Zeitpunkt, an dem die kühlerseitigen Anschlussstutzen 6, 7 soweit in den Zu-/Ablauf 4, 5 der Filtereinrichtung 1 eingreifen, dass ein Motorenölaustritt an dieser Stelle zuverlässig unterbunden werden kann. Die Verschlusselemente 11, 12 sind dabei so ausgebildet, dass sie während des gesamten Betriebs der Filtereinrichtung 1 im zugehörigen Zu-/Ablauf 4, 5 verbleiben. Vorzugsweise sind dabei die Verschlusseinrichtung 8, 10 und insbesondere deren Verschlusselemente 11, 12 aus Kunststoff ausgebildet und dadurch kostengünstig herstellbar.Now, the cooler side connecting piece 6, 7 are inserted into the respectively associated inlet / outlet 4, 5, as for example, according to the Fig. 5 is shown, they press the each in the inlet / outlet 4, 5 plugging closure element 11, 12 deeper into the respective inlet / outlet 4, 5 and thereby into a respective inlet / outlet 4, 5 opening state. However, an opening of the inlet / outlet 4, 5 takes place only at a time at which the radiator-side connecting pieces 6, 7 so far in the inlet / outlet 4, 5 of the filter device 1 intervene that a motor oil outlet are reliably prevented at this point can. The closure elements 11, 12 are designed so that they remain during the entire operation of the filter device 1 in the associated inlet / outlet 4, 5. Preferably, the closure device 8, 10 and in particular their closure elements 11, 12 are formed from plastic and thereby inexpensive to produce.

Mit der erfindungsgemäßen Filtereinrichtung 1 ist es somit möglich, einen Testlauf des Verbrennungsmotors 2 bei gleichzeitiger Filtration des Motorenöls durch die Filtereinrichtung 1 zu ermöglichen, während in diesem Zustand die Kühlereinrichtung 3 noch nicht mit der Filtereinrichtung 1 verbunden ist. Wird der Verbrennungsmotor 2 zusammen mit der Filtereinrichtung 1 in einem späteren Produktionsschritt in ein Kraftfahrzeug eingebaut, so wird die Filtereinrichtung 1 an die zugehörige Kühlereinrichtung 3 angeschlossen, so dass im weiteren Betrieb des Verbrennungsmotors 2, insbesondere bei einem länger andauernden Betrieb, dessen Motoröl von der Kühlleinrichtung 3 gekühlt werden kann. Der Anschluss erfolgt dabei durch ein Einstecken der Anschlussstutzen 6, 7 in den Zu-/Ablauf 4, 5 der Filtereinrichtung 1. Bei diesem Einstecken werden die kolbenartig im Zu-/Ablauf 4, 5 beweglichen Verschlusselemente 11, 12 derart verstellt, dass sie den jeweiligen Zu-/Ablauf 4, 5 der Filtereinrichtung 1 öffnen, so dass eine kommunizierende Verbindung zwischen Verbrennungsmotor 2, Filtereinrichtung 1 und Kühlereinrichtung 3 gegeben ist. Das Öffnen des Zu-/Ablaufs 4, 5 erfolgt dabei jedoch erst zu einem Zeitpunkt, an dem die Anschlussstutzen 6, 7 soweit in den zugehörigen Zu-/Ablauf 4, 5 eingeschoben sind, dass ein Austritt von Motorenöl in die Umgebung an dieser Stelle nicht mehr möglich ist. Generell ist die erfindungsgemäße Verschlusseinrichtung 8, 10 äußerst kostengünstig herstellbar und auch bei bereits vorhandenen Filtereinrichtungen 1 einsetzbar.With the filter device 1 according to the invention it is thus possible to allow a test run of the internal combustion engine 2 with simultaneous filtration of the engine oil through the filter device 1, while in this state, the cooler device 3 is not yet connected to the filter device 1. If the internal combustion engine 2 is installed together with the filter device 1 in a later production step in a motor vehicle, the filter device 1 is connected to the associated cooler device 3, so that in the further operation of the internal combustion engine 2, especially in a prolonged operation, whose engine oil from the Cooling device 3 can be cooled. The connection is made by inserting the connecting piece 6, 7 in the inlet / outlet 4, 5 of the filter device 1. In this insertion, the piston-like in the inlet / outlet 4, 5 movable closure elements 11, 12 are adjusted so that they open respective inlet / outlet 4, 5 of the filter device 1, so that a communicating connection between the engine 2, filter device 1 and cooler device 3 is given. The opening of the inlet / outlet 4, 5 takes place, however, only at a time at which the connecting pieces 6, 7 so far in the associated inlet / outlet 4, 5 are inserted, that an exit of engine oil into the environment at this point is no longer possible. In general, the closure device 8, 10 according to the invention is extremely inexpensive to produce and can also be used with already existing filter devices 1.

Bei Bedarf kann auch das zweite Ende des Verschlusselementes 11,12 tellerförmig ausgebildet sein und beispielsweise eine O-Ringdichtung 14 tragen, um den Eintrag von Schmutz in den zu-/Ablauf 4,5 zu vermeiden.If necessary, the second end of the closure element 11,12 may be dish-shaped and, for example, wear an O-ring seal 14 in order to avoid the entry of dirt in the inlet / outlet 4,5.

Prinzipiell ist dabei in den Fig. 1 bis 5 stets eine Filtereinrichtung 1 beschrieben, wobei die Erfindung selbstverständlich auf weitere beliebige Körper übertragbar ist, beispielsweise für einen beliebigen ersten Körper der drucklos mit einer Flüssigkeit gefüllt ist. Für die Lagerung und zum Transport ist in mindestens einen Zu-/Ablauf, allgemein zumindest in eine Aufnahme, mindestens ein Verschlusselement 11,12 der Verschlusseinrichtung 8, 10 eingesteckt. Diese verschließt dicht die jeweiligen Aufnahme und/oder die zugehörige Öffnung. Wird dann ein weiterer Körper, der über mindestens einen Anschlussstutzen verfügt, so angeschlossen, dass der Anschlussstutzen des zweiten Körpers in die Aufnahme des ersten Körpers eingesteckt wird, so wird durch Verschieben der Verschlusseinrichtung die zur Aufnahme zugehörige Öffnung freigegeben. Dadurch kann die Flüssigkeit vom ersten zum zweiten Körper gelangen. Bei Bedarf, wenn zwei Anschlüsse zwischen den beiden Körpern bestehen, kann die Flüssigkeit auch im Kreis fließen, bzw. von einem der beiden Körper in einen weiteren fließen.In principle, it is in the Fig. 1 to 5 always described a filter device 1, wherein the invention is of course transferable to any other body, for example, for any first body of the pressure-less with a Liquid is filled. For storage and transport, at least one closure element 11, 12 of the closure device 8, 10 is inserted into at least one inlet / outlet, generally at least one receptacle. This tightly seals the respective receptacle and / or the associated opening. If a further body, which has at least one connecting piece, is then connected in such a way that the connecting piece of the second body is inserted into the receptacle of the first body, the opening associated with the receptacle is released by displacing the closing device. As a result, the liquid can pass from the first to the second body. If necessary, if two connections exist between the two bodies, the liquid can also flow in a circle or flow from one of the two bodies into another.

Für den Fall dass man diese Verschlusseinrichtung für unter Druck stehende Flüssigkeiten benutzen will, muss man ein Haltemittel, wie z. B eine Verklammerung oder ein ähnliches Verspannmittel vorsehen, das die Verschlusselemente trotz des Drucks vom Inneren des ersten Körpers aus am Platz hält.In the event that you want to use this closure device for pressurized fluids, you have a holding means such. B provide a clamping or similar tightening means that holds the closure elements in place despite the pressure from inside the first body.

Claims (10)

Filtereinrichtung (1) (mit einem Bypass(9) ) für einen Verbrennungsmotor (2), insbesondere ein Ölfilter, mit einem in Richtung des Verbrennungsmotors (2) orientierten Zu-/Ablauf und mit einem in Richtung einer Kühlereinrichtung (3) orientierten Zu-/Ablauf (4,5), wobei in dem in Richtung der Kühlereinrichtung (3) orientierten Zu-/Ablauf (4,5) jeweils eine Verschlusseinrichtung (8,10) vorgesehen ist, die den Zu-/Ablauf (4,5) verschließt, sofern die Filtereinrichtung (1) nicht an die Kühlereinrichtung (3) angeschlossen ist und die den Zu-/Ablauf (4,5) öffnet, sofern die Filtereinrichtung (1) über den Zu-/Ablauf (4,5) an die Kühlereinrichtung (3) angeschlossen ist.Filter device (1) (with a bypass (9)) for an internal combustion engine (2), in particular an oil filter, with an inlet / outlet oriented in the direction of the internal combustion engine (2) and with an inlet oriented in the direction of a cooler device (3). / Drain (4,5), wherein in the direction of the cooler device (3) oriented inlet / outlet (4,5) each have a closure device (8,10) is provided, which the inlet / outlet (4,5) closes, if the filter device (1) is not connected to the cooler device (3) and opens the inlet / outlet (4,5), if the filter device (1) via the inlet / outlet (4,5) to the Cooler device (3) is connected. Filtereinrichtung nach Anspruch 1,
dadurch gekennzeichnet,
dass die Verschlusseinrichtung (8,10) als Verschlusselement (11,12) ausgebildet ist, das kolbenartig in dem einen Zylinder bildenden Zu-/Ablauf (4,5) verschiebbar gelagert ist.Filter device according to claim 1,
characterized,
in that the closure device (8, 10) is designed as a closure element (11, 12) which is displaceably mounted like a piston in the inlet / outlet (4, 5) forming a cylinder. Filtereinrichtung nach Anspruch 2,
dadurch gekennzeichnet,
dass das Verschlusselement (11,12) stirnseitig eine Scheibe (13) mit einer O-Ringdichtung (14) aufweist.Filter device according to claim 2,
characterized,
in that the closure element (11, 12) has a disk (13) with an O-ring seal (14) at the end. Filtereinrichtung nach Anspruch 3,
dadurch gekennzeichnet,
dass das Verschlusselement (11,12) auf seinem der Scheibe (13) abgewandten Ende eine Führungs- und Abstützeinrichtung (15) aufweist, über welche das Verschlusselement (11,12) im Zu-/Ablauf (4,5) geführt ist.Filter device according to claim 3,
characterized,
that the closing element (11,12) on its the disc (13) facing away from the end having a guiding and supporting means (15), via which the closure element (11,12) in the inlet / outlet (4,5) is guided. Filtereinrichtung nach Anspruch 4,
dadurch gekennzeichnet,
dass eine axiale Längserstreckung des Verschlusselementes (11,12) so gewählt ist, dass es bei der Montage auf einen kühlereinrichtungsseitigen Anschlussstutzen (6,7) mit diesem in Kontakt tritt und von diesem über die Führungs- und Abstützeinrichtung (15) in eine den zugehörigen Zu-/Ablauf (4,5) der Filtereinrichtung (1) öffnende Position verstellbar ist.Filter device according to claim 4,
characterized,
that an axial longitudinal extent of the closure element (11,12) is selected so that it comes into contact with the mounting on a cooler side connecting piece (6,7) and from this via the guiding and supporting device (15) in one of the associated Inlet / outlet (4,5) of the filter device (1) opening position is adjustable. Filtereinrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
dass die Verschlusseinrichtung (8,10) während des Betriebs der Filtereinrichtung (1) im zugehörigen Zu-/Ablauf (4,5) verbleibt.Filter device according to one of claims 1 to 5,
characterized,
that the closure device (8,10) during operation of the filter device (1) in the associated inlet / outlet (4,5) remains. Filtereinrichtung nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
dass die Verschlusseinrichtung (8,10) aus Kunststoff ausgebildet ist.Filter device according to one of claims 1 to 6,
characterized,
that the locking means (8.10) is formed of plastic. Filtereinrichtung nach einem der Ansprüche 5 bis 7,
dadurch gekennzeichnet,
dass in dem Zu-/Ablauf (4,5) jeweils zumindest eine Öffnung (16) vorgesehen ist, welche durch ein jeweiliges Verschlusselement (11,12) nach außen verschlossen ist, sofern das Verschlusselement (11,12) noch nicht seine endgültige Einbauposition erreicht hat und welche durch ein Verschieben des jeweiligen Verschlusselementes (11,12) beim Einführen des zugehörigen Anschlussstutzens (6,7) in eine die zugehörige Öffnung (16) freigebende Position verstellt ist wird.Filter device according to one of claims 5 to 7,
characterized,
in that at least one opening (16) is provided in the inlet / outlet (4, 5) which is closed to the outside by a respective closure element (11, 12), provided the closure element (11, 12) is not yet in its final installed position has reached and which by moving the respective closure element (11,12) during insertion of the associated Connecting piece (6,7) is adjusted in a the associated opening (16) releasing position. Verschlusselement, insbesondere für eine Filtereinrichtung nach einem der Ansprüche 1 bis 8, welches - kolbenartig in einem, einen Zylinder bildenden Zu-/Ablauf (4,5) verschiebbar gelagert ist, - stirnseitig eine Scheibe (13) mit einer O-Ringdichtung (14) aufweist, - auf seinem der Scheibe (13) abgewandten Ende eine Führungs- und Abstützeinrichtung (15) aufweist, über welche das Verschlusselement (11,12) im Zu-/Ablauf (4,5) geführt ist. Closure element, in particular for a filter device according to one of claims 1 to 8, which is slidably mounted in a piston-like manner in one, a cylinder forming inlet / outlet (4,5), - has a disc (13) with an O-ring seal (14), - On its the disc (13) facing away from a guide and support means (15), via which the closure element (11,12) in the inlet / outlet (4,5) is guided. Kraftfahrzeug mit einem eine Filtereinrichtung (1) nach einem der Ansprüche 1 bis 8 aufweisenden Verbrennungsmotor (2).Motor vehicle with a combustion engine (2) having a filter device (1) according to one of claims 1 to 8.
EP20090172930 2008-10-18 2009-10-13 Filter device with a locking device Not-in-force EP2177724B1 (en)

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