EP1239125B1 - Dispositif pour le montage d'un premier élément, en particulier un carter d'huile, sur un deuxième élément, en particulier un bloc cylindre de moteur à combustion - Google Patents

Dispositif pour le montage d'un premier élément, en particulier un carter d'huile, sur un deuxième élément, en particulier un bloc cylindre de moteur à combustion Download PDF

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Publication number
EP1239125B1
EP1239125B1 EP02003390A EP02003390A EP1239125B1 EP 1239125 B1 EP1239125 B1 EP 1239125B1 EP 02003390 A EP02003390 A EP 02003390A EP 02003390 A EP02003390 A EP 02003390A EP 1239125 B1 EP1239125 B1 EP 1239125B1
Authority
EP
European Patent Office
Prior art keywords
component
supporting body
oil pan
supporting
recesses
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02003390A
Other languages
German (de)
English (en)
Other versions
EP1239125A1 (fr
Inventor
Dominique Claudet
Olivier Jeanne
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Publication of EP1239125A1 publication Critical patent/EP1239125A1/fr
Application granted granted Critical
Publication of EP1239125B1 publication Critical patent/EP1239125B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/11—Thermal or acoustic insulation
    • F02B77/13—Acoustic insulation
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/02—Rubber

Definitions

  • the present invention relates to a device for supporting a first component, in particular an oil pan, on a second component, in particular an engine block of an internal combustion engine.
  • the present invention has for its object to provide a device for storing a first component, in particular an oil pan, on a second component, in particular an engine block of an internal combustion engine, in which the transmission of vibrations of the second component is reduced to the first component.
  • the inventive design a significant reduction in the transmission of vibrations from the engine to the oil pan can be achieved. This not only enables the number of second connection means to be reduced, but also improves the acoustic impact of the sump. Moreover, it is possible with the present invention to achieve an acoustic decoupling, which already starts at very low frequencies, even at frequencies less than 180 Hz. Finally, the present invention not only allows a bearing of the first component on the second component, but also a seal of the two components against each other.
  • the first and / or second support body are substantially rigid and in particular consist of metal. In this way, in particular a reliable fixing and sealing of the device according to the invention on the first component or the second component can be achieved.
  • first and / or second support body are formed as a rotating body.
  • the existing in particular of elastomeric elastic body is firmly connected to the first and second support body.
  • the static Lagerffle holding forces between the first and second support body be transmitted. Due to the elastic properties of the elastic body, a transmission of vibrations between the two support bodies and thus between the first component / oil sump and the second component / internal combustion engine is counteracted.
  • a good seal is achieved in that one or more sealing lips are provided in the region of the contact surface of the first support body to the first component, which are in particular formed integrally with the elastic body. It has proven to be advantageous to provide two sealing lips at this point. This design also achieves a separation of the functions.
  • the sealing lip seals the first support body relative to the first component and is elastically deformed during assembly of the device according to the invention to achieve a good seal.
  • the elastic body which connects the first and second support body is not deformed at the Monday of the device according to the invention and therefore allows improved decoupling or vibration isolation between the first and second component and this regardless of any screw forces.
  • one or more sealing lips are provided in the region of the contact surface of the second support body to the second component, which are in particular formed integrally with the elastic body.
  • the one-piece design of the elastic body with the sealing lips simplifies manufacture.
  • the first support body is formed at an angle and a connecting portion, which is substantially perpendicular to the sealing plane extends, and has a support portion which extends substantially parallel to the sealing plane.
  • sealing plane is meant the plane of the contact surface between the second component and the second support body.
  • a reliable and inexpensive to produce connection between the first support body and the first component can be achieved in that the first connecting means are designed as tabs, which are in corresponding recesses of the first component, in particular the oil pan, insertable.
  • the first component in particular the oil pan
  • the first support body are firmly connected to each other by bending the tabs, whereby a positive connection between the oil pan and the first support body can be achieved.
  • the tabs on the first support body in particular its connecting portion formed.
  • the assembly is facilitated by the fact that the tabs at the bending point have a section with a reduced cross-section. This makes it possible to reduce the bending forces required for bending the tabs.
  • recesses are provided which extend through the second support body and at least a portion of the elastic body. This has the advantage that the stiffness of the elastic body can be adjusted to the Transmission of vibrations of the engine block to reduce the oil pan. In particular, by adjusting the stiffness of the elastic body, a vibration decoupling in the desired frequency range can be achieved. Another advantage of the recesses is that the weight of the device according to the invention is reduced.
  • the recesses are sealed to the engine block and sealed off from the space enclosed by the oil sump by the elastic body.
  • a further improvement is achieved in that the recesses are formed such that a tool is insertable through the recesses in order to support the first support body. This is particularly advantageous during assembly, since bending of the first support body can be avoided when connecting the first support body to the oil sump (first component). This is especially true in the design according to the invention, in which the first support body has tabs, which are bent for connecting the oil pan and the first support body.
  • a particularly good support of the first support body during assembly can be achieved in that at least some of the recesses are arranged adjacent to the first connection means.
  • the invention provides that the second support body has connection openings through which the connection means for connecting to the first component can be performed.
  • screws can be provided as a second connecting means, which are screwed into the engine block.
  • the present invention further relates to a preassembled oil pan assembly having an oil pan connected to a device of the type previously described.
  • a preassembled oil pan unit facilitates the assembly and shortens the assembly time in the completion of the automobile.
  • the first support body is a connecting flange of the oil pan.
  • a device 1 for storing a formed as an oil pan first component is shown on a formed as the engine block of an internal combustion engine second component.
  • the device 1 but not the first component (oil pan) and the second component (engine block) is shown in the figures.
  • the device 1 has a first support body 2 and second support body 3.
  • the first support body 2 can be fixed to the first component via first connection means described in greater detail below.
  • the second support body 3 can be fixed to the second component via second connecting means (not shown).
  • the device according to the invention further comprises an elastic body 4 which connects the first and second support body 2, 3 in a liquid-tight manner and fixes the first support body 2 elastically movably on the second support body 3.
  • the first support body 2 and second support body 3 are formed as rigid bodies and made of metal, preferably steel. In this case, the first and second support body are designed as rotating bodies along a closed continuous line.
  • the elastomeric elastic Body 4 is, as is apparent in particular from FIGS. 3 to 7, firmly connected to the first and second support body 2, 3. Only in the exploded view of Fig. 2, the first support body 2, elastic body 4 and second support body 3 are shown separately from each other to better represent the structure of the device according to the invention can.
  • the firm connection of the elastic body 4 with the first support body 2 and the second support body 3 is achieved in that the elastic body 4 is permanently connected by scorching with the first support body 2 and the second support body 3.
  • first support body 2, second support body 3 and elastic body 4 form a unit.
  • the first support body may also be formed as a connecting flange of the oil pan. This can be generated in particular by a bent edge of the oil pan.
  • the elastic body 4 is advantageously connected by vulcanization directly with dm connecting flange.
  • one or more sealing lips 6 are provided in the region of the contact surface 5 of the first support body 2 with respect to the first component.
  • two sealing lips 6, 6 ' are formed.
  • the sealing lips like the elastic body 4, are made of elastomer and are integrally formed therewith.
  • one or more sealing lips 8 can also be provided, wherein the embodiment shown in the drawing has only a single sealing lip 8.
  • the sealing lip 8 is arranged on the inner edge of the second support body 3 and is elastically deformable over the contact surface 7.
  • the sealing lip 8 is integral with the elastic Body 4 formed. Accordingly, the sealing lip 8, the elastic body 4 and the sealing lips 6, 6 'can be produced in a particularly cost-effective manner in a single operation.
  • the first support body 2 is formed at an angle and has a connecting portion 9, which extends substantially perpendicular to the sealing plane, and a support portion 10, which extends substantially parallel to the sealing plane.
  • connecting section 9 and supporting section 10 form an angle of approximately 90 °. In this case, the connecting portion 9 to the first component.
  • FIGS. 2 and 4 can be seen how inventively the first connecting means 11 are designed closer.
  • the connection means 11 the embodiments shown in the figures are tabs which can be inserted into corresponding recesses in the oil sump.
  • the tabs 11 are formed on the connecting portion 9 of the first support body 2.
  • the tabs 11 are protruding portions of the metal made connecting portion 9.
  • the tabs 11 have a portion of reduced cross-section at the bending point 12. This is not shown in Fig. 4.
  • recesses 13 are provided according to the invention, which extend through the second support body 3 and at least part of the elastic body 4.
  • the recesses 13 are formed open towards the engine block, but with respect to the area enclosed by the oil pan space by the elastic Body 4 and the sealing lips 6, 6 ', 8 sealed.
  • the elasticity between the first support body 2 and the second support body 3 can be adjusted by the recesses 13 to the desired level, in particular to reduce the transmission of vibrations between the engine block and oil pan and to achieve an acoustic decoupling in the desired frequency range.
  • the recesses 13 are also designed such that a tool is insertable through the recesses 13 in order to support the first support body 2.
  • some of the recesses 13 are each arranged adjacent to the latches formed as first connecting means 11.
  • the connecting means 11 When connecting the device 1 of the invention with the oil pan (first component), the connecting means 11 are inserted into the corresponding recesses of the oil pan.
  • a tool is introduced through the recesses 13, which is supported on the first support body 2, in particular the support portion 10 and the forces occurring when bending the tabs 11 wholly or partially receives, so that in particular an impermissible deformation of the second support body 3 can be avoided.
  • connecting openings 14 are provided, through which the second connecting means for connecting to the engine block (second component) can be carried out.
  • screws can be used as connecting means, which are screwed through the connection openings 14 in the engine block.
  • the first support body 2 jumps back in the region in which the connection openings 14 are arranged and is guided around the connection opening 14.
  • the device 1 has eight connection openings 14 and fifty-seven recesses 13, which are arranged distributed over the circumference of the device 1.
  • the second support body 3 has a bent edge 15, which is arranged circumferentially on the outside of the second support body 3. In this case, the bent edge 15, which extends approximately perpendicular to the contact surface 7, away from the second component.
  • the recesses 13 are also important in the production of the device 1 according to the invention.
  • first and second support bodies are in fact inserted into a mold, wherein holding pins are provided, which extend through the recesses 13 formed in the second support body 3.
  • holding pins are provided, which extend through the recesses 13 formed in the second support body 3.
  • the first supporting body 2 is held at the desired distance from the second supporting body 3.
  • elastomer is introduced into the mold to form the elastic body 4 and the sealing lips 6, 6 'and 8.
  • the recesses 13 remain when removing the device 1 according to the invention from the mold.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Claims (18)

  1. Dispositif (1) pour monter un premier composant, en particulier un carter d'huile, sur un deuxième composant, en particulier le bloc moteur d'un moteur à combustion interne, qui comprend un premier corps de soutien (2) qui peut être fixé ou qui est fixé par des premiers moyens de liaison (11) sur le premier composant, un deuxième corps de support (3) qui peut être fixé par des deuxièmes moyens de liaison sur le deuxième composant et qui est maintenu à distance du premier corps de support (2), ainsi qu'un corps élastique (4) qui relie le premier et le deuxième corps de support (2, 3) de manière étanche aux liquides et qui fixe le premier corps de support (2) sur le deuxième corps de support (3) de manière à ce qu'il puisse se déplacer élastiquement, caractérisé en ce qu'une surface de pose est prévue sur le premier corps de support et en ce qu'une ou plusieurs lèvres d'étanchéité (6, 6') sont prévues dans la zone de la surface de pose (5) du premier corps de support (2) sur le premier composant et/ou en ce qu'une surface de pose est prévue sur le deuxième corps de support et en ce qu'une ou plusieurs lèvres d'étanchéité (8) sont prévues dans la zone de la surface de pose (7) du deuxième corps de support (3) sur le deuxième composant.
  2. Dispositif selon la revendication 1, caractérisé en ce que le premier et/ou le deuxième corps de support (2, 3) sont essentiellement rigides et sont en particulier réalisés en métal.
  3. Dispositif selon les revendications 1 ou 2, caractérisé en ce que le premier et/ou le deuxième corps de support (2, 3) sont configurés comme corps périphériques.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que le corps élastique (4) réalisé en particulier en élastomère est relié solidairement au premier et au deuxième corps de support (2, 3).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que la ou les lèvres d'étanchéité (6, 6') prévues dans la partie de la surface de pose (5) du premier corps de support (2) sur le premier composant sont réalisées d'un seul tenant avec le corps élastique (4).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la ou les lèvres d'étanchéité (8) prévues dans la partie de la surface de pose (7) du deuxième corps de support (3) sur le deuxième composant sont réalisées d'un seul tenant avec le corps élastique (4).
  7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce que le premier corps de support (2) est coudé et en ce qu'une partie de liaison (9) qui s'étend essentiellement à la perpendiculaire du plan du joint d'étanchéité et présente une partie de support (10) qui s'étend essentiellement parallèlement au plan du joint d'étanchéité.
  8. Dispositif selon l'une des revendications 1 à 7, caractérisé en ce que les premiers moyens de liaison (11) sont configurés comme pattes qui peuvent être insérées dans des découpes correspondantes du premier composant et en particulier du carter d'huile.
  9. Dispositif selon la revendication 8, caractérisé en ce que le premier composant, en particulier le carter d'huile, et le premier corps de support (2) peuvent être reliés solidairement l'un à l'autre en courbant les pattes (11).
  10. Dispositif selon les revendications 8 ou 9, caractérisé en ce que les pattes (11) sont formées sur le premier corps de support (2) et en particulier dans sa partie de liaison.
  11. Dispositif selon l'une des revendications 8 à 10, caractérisé en ce que sur les emplacements courbés (12), les pattes (11) présentent une partie de plus petite section transversale.
  12. Dispositif selon l'une des revendications 1 à 11, caractérisé en ce qu'il présente des découpes (13) qui s'étendent à travers le deuxième corps de support (3) et au moins une partie du corps élastique (4).
  13. Dispositif selon la revendication 12, caractérisé en ce que les découpes (13) sont ouvertes en direction du bloc moteur et sont rendues étanches par rapport à l'espace entouré par le carter d'huile par le corps élastique (4).
  14. Dispositif selon les revendications 12 ou 13, caractérisé en ce que les découpes (13) sont configurées de manière à pouvoir insérer un outil dans les découpes (13) pour soutenir le premier corps de support (2).
  15. Dispositif selon l'une des revendications 12 à 14, caractérisé en ce qu'au moins certaines des découpes (13) sont disposées à proximité des premiers moyens de liaison (11).
  16. Dispositif selon l'une des revendications 1 à 15, caractérisé en ce que le deuxième corps de support (3) présente des ouvertures de liaison (14) par lesquelles les deuxièmes moyens de liaison peuvent être passés pour assurer la liaison avec le deuxième composant.
  17. Unité prémontée de carter d'huile qui présente un carter d'huile relié à un dispositif (1) selon l'une des revendications précédentes.
  18. Unité prémontée de carter d'huile selon la revendication 17, caractérisée en ce que le premier corps de support est une bride de liaison du carter d'huile.
EP02003390A 2001-03-05 2002-02-14 Dispositif pour le montage d'un premier élément, en particulier un carter d'huile, sur un deuxième élément, en particulier un bloc cylindre de moteur à combustion Expired - Lifetime EP1239125B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2001110532 DE10110532A1 (de) 2001-03-05 2001-03-05 Einrichtung zum Lagern eines ersten Bauteils, insbesondere einer Ölwanne, an einem zweiten Bauteil, insbesondere einem Motorblock einer Brennkraftmaschine
DE10110532 2001-03-05

Publications (2)

Publication Number Publication Date
EP1239125A1 EP1239125A1 (fr) 2002-09-11
EP1239125B1 true EP1239125B1 (fr) 2006-06-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02003390A Expired - Lifetime EP1239125B1 (fr) 2001-03-05 2002-02-14 Dispositif pour le montage d'un premier élément, en particulier un carter d'huile, sur un deuxième élément, en particulier un bloc cylindre de moteur à combustion

Country Status (2)

Country Link
EP (1) EP1239125B1 (fr)
DE (2) DE10110532A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005033904A1 (de) * 2005-07-15 2007-01-18 Dichtungstechnik G. Bruss Gmbh & Co. Kg Gehäuseverbundteil für ein Kraftfahrzeugaggregat

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01207574A (ja) * 1988-02-15 1989-08-21 Mitsubishi Electric Corp 構造物の制振装置
JPH08277885A (ja) * 1995-04-04 1996-10-22 Nok Megurasutikku Kk ダンパの製造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH612474A5 (en) * 1976-07-08 1979-07-31 Saurer Ag Adolph Sound-insulated oil sump for internal combustion engines
DE2638982A1 (de) * 1976-08-28 1978-03-02 Bayerische Motoren Werke Ag Abdeckung fuer vibrationen unterworfene maschinen oder aggregate, insbesondere oelwanne oder abdeckhaube fuer eine brennkraftmaschine
DE3020773A1 (de) * 1980-05-31 1981-12-10 Bayerische Motoren Werke AG, 8000 München Blechabdeckung fuer brennkraftmaschinen
US4682672A (en) 1986-04-21 1987-07-28 Ford Motor Company Snap-on oil pan
EP0921298B1 (fr) * 1997-03-28 2007-05-16 Isuzu Motors Limited Moteur
FR2782742B1 (fr) * 1998-08-28 2005-07-15 Renault Fixation etanche et amortie d'un carter d'huile sous un bloc moteur
DE19902817A1 (de) * 1999-01-25 2000-07-27 Loctite Deutschland Gmbh Verfahren zum Anbringen der Ölwanne an einem Motorblock einer Verbrennungskraftmaschine
FR2812909B1 (fr) * 2000-08-09 2002-10-04 Renault Dispositif d'amortissement et de fixation etanche d'un carter d'huile

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01207574A (ja) * 1988-02-15 1989-08-21 Mitsubishi Electric Corp 構造物の制振装置
JPH08277885A (ja) * 1995-04-04 1996-10-22 Nok Megurasutikku Kk ダンパの製造方法

Also Published As

Publication number Publication date
DE10110532A1 (de) 2002-09-26
DE50207150D1 (de) 2006-07-27
EP1239125A1 (fr) 2002-09-11

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