WO2009115440A1 - Carter d’huile pour un moteur à combustion interne - Google Patents

Carter d’huile pour un moteur à combustion interne Download PDF

Info

Publication number
WO2009115440A1
WO2009115440A1 PCT/EP2009/052863 EP2009052863W WO2009115440A1 WO 2009115440 A1 WO2009115440 A1 WO 2009115440A1 EP 2009052863 W EP2009052863 W EP 2009052863W WO 2009115440 A1 WO2009115440 A1 WO 2009115440A1
Authority
WO
WIPO (PCT)
Prior art keywords
sealing element
sealing
engine block
oil pan
sump according
Prior art date
Application number
PCT/EP2009/052863
Other languages
German (de)
English (en)
Inventor
Thomas Jessberger
Original Assignee
Mann+Hummel Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mann+Hummel Gmbh filed Critical Mann+Hummel Gmbh
Publication of WO2009115440A1 publication Critical patent/WO2009115440A1/fr

Links

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
    • F01M2011/0054—Fastening to the cylinder block
    • 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
    • F01M2011/0062—Gaskets
    • 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

Definitions

  • Oil pan for an internal combustion engine Oil pan for an internal combustion engine
  • the invention relates to an oil pan for an internal combustion engine
  • Screws are usually formed by formed on the oil pan Be ⁇
  • compressed sealing element can be transferred to the sump. and especially at higher temperatures can lead to relaxation of the oil pan, if it is an oil sump made of plastic. In order to prevent such a relaxation, which can lead to leakage, it is necessary to reduce the contact pressure from the oil pan on the engine block, but this carries the risk that the tightness decreases.
  • the invention is based on the object with simple measures to secure an oil pan to an engine block and to ensure a sufficiently high tightness over a long period of operation.
  • Sealing area between the oil pan and engine block independently formed and separated locally, so that the connecting element does not come directly into contact with the sealing element and in particular also exerts no direct pressing force on the sealing element.
  • a surface pressure acting on the sealing element is generated so that the sealing element is not subjected to punctually increased loading.
  • the lines of force of the fastening element transmitted by the fastening force and the sealing force transmitted by the sealing element include an angle, so cut or cross.
  • the fastening force of the connecting element usually extends in the vertical direction perpendicular to the connecting flange from below, since the oil pan is mounted below the engine block and is fastened with screws or other connecting elements thereto.
  • the sealing force which is transmitted by the sealing element encloses an angle with this vertical fastening force and is in particular at least approximately perpendicular to the fastening force, whereby a lateral, in particular radial sealing force component is established. Due to this design with laterally acting seal are the restoring forces, which in the region of the connecting elements on the Oil pan act, greatly reduced.
  • the fasteners must only take over the function of a captive and record the weight of the oil pan with the oil contained therein. In contrast, it is not necessary to produce a high contact pressure between the oil pan and engine block, so that the sealing effect is substantially independent of the fastening force.
  • the sealing member may be designed in such a way that it is able to transmit in addition to the connecting elements acting in the direction of the fastening force of the connecting elements clamping force.
  • This can for example be realized in that the sealing element has on its lateral surface one or more locking rings, which are used in recesses in the oil sump or in the engine block and have the function of barbs. Due to the ability to transmit a clamping force that is approximately perpendicular to the sealing force, the sealing element allows a reduction in the number of fasteners and a captive seal the seal during assembly or disassembly of the oil pan in case of service.
  • a support body may be introduced, which is at least partially, optionally also completely enclosed by the sealing material of the sealing element.
  • This support body can be both firmly connected to one of the components engine block / oil pan or, according to another embodiment, form a support core, the Part of the sealing element is and is not connected to the engine block or the oil pan.
  • the support body stabilizes the sealing element, so that a lateral buckling of the sealing element is prevented in particular during assembly of the oil pan on the engine block.
  • the sealing element can basically be pre-assembled either in the oil pan or in the engine block. Both the oil pan and the engine block, the respective connection area and the sealing area are designed separately to achieve the above-described independence of fastening force and sealing force.
  • An advantageous embodiment is the preparation of the support body as an independent component and the subsequent partial or complete encapsulation with a sealing material to form a sealing element.
  • the support body may be made of a thermoplastic such as PA6 or PA66 and overmoulded with a suitable elastomeric material.
  • fluororubber FPM or FKM
  • HNBR hydrogenated acrylbutadiene rubber
  • AEM ethylene acrylate rubber
  • ACM acrylate rubber
  • FVMQ fluorosilicone rubber
  • the oil pan can be designed as a plastic injection molded part.
  • a material is thermoplastic with a filler to improve the mechanical properties.
  • polyamide 6 or nylon 66 with glass fiber filling and / or mineral filling can be used as a material.
  • connection area and the sealing region of a component mounted on the engine independently form and separate locally, can be transferred to the attachment and sealing of other attachments on the engine block, such as a cylinder head cover on the cylinder head.
  • the function of the cylinder head cover is to seal the engine block at the top of the cylinder head and thus to impose similar requirements on the fastening. tion and sealing of the cylinder head cover are made as in a
  • the connecting element fastens the cylinder head cover on the Zylin ⁇
  • a lead frame For example, a lead frame, seals.
  • Fig. 1 shows a section through an attached under the engine block ⁇ l ⁇
  • FIG. 4 shows the sealing element from FIG. 3 in an enlarged detail
  • FIG. 6 the sealing region in a further modified embodiment.
  • FIG. 7 shows the sealing element on the oil sump in a further modi ⁇
  • Fig. 8 shows an embodiment of the support body in H-shape prior to assembly
  • Fig. 1 shows a portion of an engine block 1 of an internal combustion engine
  • Groove is inserted, which is introduced into the bottom of the engine block.
  • the sealing element 6 is cup-shaped in cross-section, wherein
  • a supporting body 7 protrudes, which is integral with the
  • Oil pan 2 is formed.
  • the sealing element 6 is on the Stitzkör ⁇
  • element 6 runs around adjacent to the outer edge of the oil pan, where is achieved by a closed circumferential seal between the engine block and oil pan.
  • connection between the oil pan 2 and the engine block 1 comprises a fastening screw designed as a connecting element 5, which is guided through an opening in the outer portion of the connecting portion of the oil pan, wherein in this opening a stabilizing sleeve 8 is inserted.
  • the force exerted by the connecting element 5 fastening force acts in the direction indicated by double arrow 10 axial direction and holds the oil pan 2 safely on the engine block 1.
  • a gap 11 is formed between the adjacent sides of the engine block 1 and oil pan 2 in the connecting region 3, a gap 11 is formed.
  • This gap 11 is sealed by the sealing element 6, so that in the axial direction a secure and fluid-tight connection between the engine block 1 and the oil pan 2 is given.
  • the sealing element 6 exerts an additional, parallel to the connecting force of the connecting element 5 acting fastening or clamping force between the engine block and oil pan.
  • the sealing force, which is generated by the sealing element 6, extends as indicated by double arrow 12 in the radial direction and is thus perpendicular to the fastening force according to arrow 10. Hier an effective decoupling between sealing element 6 and connecting element 5 is achieved.
  • the sealing element 6 is shown in an enlarged detail view.
  • the sealing element 6 is pot-shaped or U-shaped in cross-section and has a central recess 13 into which the support body 7 (FIG. 1) projects in the fastened state on the oil sump 2.
  • the sealing element 6 has a plurality of circumferential snap rings 14, which run radially outwardly in cross-section and effect an improved clamping in the groove into which the sealing element 6 is inserted in the engine block 1 in the mounted state.
  • locking cam 15 may be provided for clamping the inserted support body.
  • the sealing element 6 has between the outer bottom 17 and the opposite end face in each case an annular circumferential and radially outwardly projecting separating lip 16 which projects into the gap between the engine block 1 and oil pan 2.
  • This separating lip 16 of sealing material causes an effective vibration isolation between the engine block and oil pan.
  • the sealing element 6 protrudes into opposing groove-shaped recesses in the oil sump 2 or in the oil sump. gate block 1 on.
  • the sealing element 6 is mirror-symmetrical with respect to a central plane and has a solid support core 18, which is completely enclosed by the material of the sealing element and this stabilized.
  • the sealing element 6 has the radially outwardly directed, in this embodiment disk-shaped separating lip 16.
  • the axial end portions of the sealing element 6 have a pronounced rib-shaped structure with locking rings 14, which give the sealing element a fir-shaped structure.
  • This clamping force prevents inadvertent release of the seal during disassembly of the oil pan from the engine in case of service and facilitates the assembly of the engine block, gasket and oil pan at the initial assembly of the internal combustion engine.
  • FIG. 6 corresponds substantially to that of FIG. 5, but with the difference that the sealing member 6 according to FIG. 6 has no central disk-shaped separating lip, whereby the gap 11 between the facing sides of the engine block 1 and Oil sump 2 is not filled with sealing material of the sealing element.
  • the decoupling between the engine block and the oil sump results from the fact that these two components are connected via the intermediate gasket. 6 are kept at a distance, wherein the sealing element 6 is located in the groove-shaped recesses in both the engine block 1 and in the oil pan 2.
  • the sealing element 6 has a central recess into which a vertically upwardly projecting support body 7 is inserted on the oil pan 2.
  • the outer circumferential surface of the sealing element 6 in turn has the fir-tree-like Verrip- pung with locking rings 14 which are inserted into a recess in the engine block.
  • the sealing element according to FIG. 7 is not mirror-symmetrical with respect to a central transverse plane, but the section of the sealing element adjacent to the oil sump 2 is formed with rectilinear side surfaces.
  • FIG. 8 the lower portion of an engine block 1 of an internal combustion engine with attached oil pan 2 is shown in partial section.
  • an annular sealing element 6 circulating in the region of the outer edge of the oil pan 2 is provided. This sealing element 6 is designed as a separate component and not connected to other components.
  • a likewise circumferential support core 18 is introduced.
  • the support core 18 has an H-shaped Cross-section, wherein the receptacles 13 in the support core 18 extend in the mounting direction.
  • the support core 18 is enclosed on the inner sides of the legs of the material of the sealing element 6.
  • the sealing material is sprayed or vulcanized onto the support core 18 or around the support core 18.
  • an elastomer is used as the sealing material.
  • the sealing member 6 has the shape of the support core 18 corresponding receptacles 13, each with two lateral sealing legs. In one of these seats 13 of the sealing member 6 protrudes when mounted sump 2, a projection T, which is integrally formed with the engine block 1 and protrudes beyond the bottom of the engine block.
  • the sealing material on the lateral legs of the H-shaped support core of sole importance For a non-sound-deadened embodiment of an oil pan, the support core 18 of the sealing element 6 has direct contact with the adjacent components and / or the projection 7 of the oil pan and the projection T of the engine block. At the sealing material on the lateral inner edges of the legs of the H-profile of the support core of the projection 7 and the projection T are on the side.

Landscapes

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

Abstract

L’invention concerne un carter d’huile pour un groupe moteur d'un moteur à combustion interne. Le carter est muni d'un élément de liaison pour pouvoir être fixé sur le groupe moteur et d'un élément d'étanchéité, qui se situe entre le carter d’huile et le groupe moteur. L’élément de liaison est associé à une zone de liaison et l’élément d’étanchéité à une zone d’étanchéité, la zone de liaison et la zone d’étanchéité étant réalisées indépendamment l’une de l’autre et étant séparées localement, et les lignes de force de la force de fixation, pouvant être transmise par l’élément de liaison, et de la force hermétique, pouvant être transmise par l'élément d'étanchéité, formant un angle.
PCT/EP2009/052863 2008-03-20 2009-03-11 Carter d’huile pour un moteur à combustion interne WO2009115440A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200820004036 DE202008004036U1 (de) 2008-03-20 2008-03-20 Ölwanne für eine Brennkraftmaschine
DE202008004036.1 2008-03-20

Publications (1)

Publication Number Publication Date
WO2009115440A1 true WO2009115440A1 (fr) 2009-09-24

Family

ID=40604417

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/052863 WO2009115440A1 (fr) 2008-03-20 2009-03-11 Carter d’huile pour un moteur à combustion interne

Country Status (2)

Country Link
DE (1) DE202008004036U1 (fr)
WO (1) WO2009115440A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013008982A1 (de) 2013-05-28 2014-12-04 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Gehäuseabdeckung, insbesondere Kunststoffölwanne
CN113719612A (zh) * 2021-07-29 2021-11-30 岚图汽车科技有限公司 一种发动机油底壳密封结构、发动机及汽车

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011114352A1 (de) * 2011-09-27 2013-03-28 Mann + Hummel Gmbh Verbindungsvorrichtung zur Verbindung von zwei Gehäuseteilen einer Brennkraftmaschine
US9016257B2 (en) 2012-12-17 2015-04-28 GM Global Technology Operations LLC Containment assembly for flowable materials
DE102016206242B4 (de) * 2016-04-14 2021-08-26 Zf Friedrichshafen Ag Vorrichtung zur Abdichtung zwischen zwei miteinander verbundenen Gehäuseteilen, sowie Ölwanne
FR3067394B1 (fr) * 2017-06-08 2020-01-31 Treves Products, Services & Innovation Montage d’un bac a huile sur un bloc moteur de vehicule automobile

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152151A (ja) * 1982-03-08 1983-09-09 Daihatsu Motor Co Ltd オイルパン
DE3815511A1 (de) * 1988-05-06 1989-11-16 Daimler Benz Ag Gummielastische abdichtung zwischen zwei loesbaren gehaeuseteilen, insbesondere solche zwischen einer oelwanne und einem getriebegehaeuse fuer einen fahrzeugantrieb
EP0921298A1 (fr) * 1997-03-28 1999-06-09 Isuzu Motors Limited Moteur
US20060255547A1 (en) * 2005-05-12 2006-11-16 Widder Edward S Zip strip seal
DE102005033904A1 (de) * 2005-07-15 2007-01-18 Dichtungstechnik G. Bruss Gmbh & Co. Kg Gehäuseverbundteil für ein Kraftfahrzeugaggregat
DE102006021625A1 (de) * 2006-05-09 2007-11-15 Federal-Mogul Sealing Systems Bretten Gmbh Abdeckungsvorrichtung mit Dichtungselement für Verbrennungskraftmaschinen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3418717A1 (de) * 1984-05-19 1985-11-21 Klöckner-Humboldt-Deutz AG, 5000 Köln Brennkraftmaschine mit einer am kurbelgehaeuse schwingungsisolierend befestigten schmieroelwanne
DE4401486C2 (de) * 1994-01-21 1997-09-04 Cr Elastomere Gmbh Gehäusedeckel
US6705270B1 (en) 2000-04-26 2004-03-16 Basf Corporation Oil pan module for internal combustion engines
US6584950B1 (en) 2002-05-29 2003-07-01 Bayer Corporation Oil pan
JP2008510912A (ja) * 2004-08-20 2008-04-10 マン ウント フンメル ゲゼルシャフト ミット ベシュレンクテル ハフツング 内燃機関シリンダヘッドのシリンダヘッドカバー

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152151A (ja) * 1982-03-08 1983-09-09 Daihatsu Motor Co Ltd オイルパン
DE3815511A1 (de) * 1988-05-06 1989-11-16 Daimler Benz Ag Gummielastische abdichtung zwischen zwei loesbaren gehaeuseteilen, insbesondere solche zwischen einer oelwanne und einem getriebegehaeuse fuer einen fahrzeugantrieb
EP0921298A1 (fr) * 1997-03-28 1999-06-09 Isuzu Motors Limited Moteur
US20060255547A1 (en) * 2005-05-12 2006-11-16 Widder Edward S Zip strip seal
DE102005033904A1 (de) * 2005-07-15 2007-01-18 Dichtungstechnik G. Bruss Gmbh & Co. Kg Gehäuseverbundteil für ein Kraftfahrzeugaggregat
DE102006021625A1 (de) * 2006-05-09 2007-11-15 Federal-Mogul Sealing Systems Bretten Gmbh Abdeckungsvorrichtung mit Dichtungselement für Verbrennungskraftmaschinen

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013008982A1 (de) 2013-05-28 2014-12-04 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Gehäuseabdeckung, insbesondere Kunststoffölwanne
DE102013008982B4 (de) * 2013-05-28 2016-02-11 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Gehäuseabdeckung, insbesondere Kunststoffölwanne
CN113719612A (zh) * 2021-07-29 2021-11-30 岚图汽车科技有限公司 一种发动机油底壳密封结构、发动机及汽车

Also Published As

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