EP2565403B1 - Carter à huile pour moteur à combustion interne - Google Patents

Carter à huile pour moteur à combustion interne Download PDF

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Publication number
EP2565403B1
EP2565403B1 EP12005200.6A EP12005200A EP2565403B1 EP 2565403 B1 EP2565403 B1 EP 2565403B1 EP 12005200 A EP12005200 A EP 12005200A EP 2565403 B1 EP2565403 B1 EP 2565403B1
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EP
European Patent Office
Prior art keywords
oil pan
influence
region
vibration
vibration influence
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.)
Active
Application number
EP12005200.6A
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German (de)
English (en)
Other versions
EP2565403A2 (fr
EP2565403A3 (fr
Inventor
Claus Vogel
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.)
MAN Truck and Bus SE
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MAN Truck and Bus SE
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Publication date
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Publication of EP2565403A2 publication Critical patent/EP2565403A2/fr
Publication of EP2565403A3 publication Critical patent/EP2565403A3/fr
Application granted granted Critical
Publication of EP2565403B1 publication Critical patent/EP2565403B1/fr
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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
    • 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
    • F01M2011/0008—Oilsumps with means for reducing vibrations
    • F01M2011/0012—Oilsumps with means for reducing vibrations with 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
    • F01M2011/002—Oilsumps with means for improving the stiffness
    • 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

  • the invention relates to an oil pan for an internal combustion engine which is formed trough-shaped, comprising a bottom portion and these surrounding side surfaces which can be connected at its free end via a flange on an internal combustion engine, wherein the oil pan made of plastic or a composite material.
  • the cast aluminum sump oil pan is provided with an insulating layer and with an outer barrier layer, wherein the outer barrier layer, for example, urethane and the insulating layer of foam rubber.
  • the wall of the oil pan is made of plastic, wherein the conversion is partially replaced by a multi-layer part having at least one metal sheet and at least one formed of plastic or a viscoelastic material layer, said multi-layer part at its edge with the plastic of the oil pan wall is overmoulded.
  • the fact that the multi-layer sound-absorbing part is preferably arranged in the tub bottom, the tub bottom and thus the area of the oil pan is responsible for the strongest sound radiation usually attenuated.
  • an oil pan which has in an area forming the oil sump depth range of the body from the side walls in the transverse direction protruding additional pockets whose interiors with the Interior of the oil sump communicate and increase its oil absorption capacity. Due to the mechanical coupling of the rear wall of the oil sump by means of the central longitudinal belt with the front wall and the mounting flange on the one hand and the mechanical coupling of the two side walls of the oil sump by means of the central transverse belt of the oil sump is so stiffened that its natural frequencies are shifted to higher frequencies.
  • the invention has the object of providing an oil pan for internal combustion engines with the feature of the preamble of claim 1 such that the radiated from the oil pan airborne sound, the noise characteristics of the engine positively underscores and thus contributes to the acceptance of the noise of the engine at the customer.
  • the load condition of the unit should be as meaningful as possible to the operator. This is to be achieved by an oil pan whose production costs are low and whose production is easy to carry out.
  • At least one side surface of the oil sump is provided with at least one influence region, which comprises a jacket surface and a vibration influencing surface, wherein the vibration influence surface is at least partially offset from the main extension plane of the side surface associated with the influence region.
  • the oscillation influencing surface shoots against the lateral surface at least in regions and is at least partially spaced from the main extension plane of the side surface assigned to the influence region.
  • the oscillating influence surface has a lower rigidity and / or elasticity than the lateral surface, so that a different sound radiation property results.
  • the lateral surface is stiffer at least by a factor of 1.2, preferably by at least a factor of 2, particularly preferably by at least a factor of 4, than the adjacent region of oscillation influence.
  • the lateral surface preferably completely encloses the oscillation-influencing region and forms the connecting member of the oscillation-influencing region to the corresponding side surface. This can be achieved in a simple manner a defined-acting vibration influence range.
  • the invention is based on the finding that the acoustic influence of an oil pan on the one hand can go to make them such that the sound is attenuated, but the performance of the invention is additionally or alternatively in that it was recognized that the of an oil pan radiated sound can be guided by the provision of influence areas targeted to a desired frequency range and / or a targeted reaction with other radiated from the oil pan of the adjacent components or frequencies, so that the total radiated from the oil pan sound is in a desired frequency range.
  • the euphony and the acceptance of the noise of the oil pan itself or in the mounted state with respect to the psychoacoustic parameters can be positively influenced. For example, a positive feedback on the load condition of the engine is thus achieved.
  • the vibration influencing surface is arranged parallel to the main extension plane of the side surface assigned to the influence region.
  • the lateral surface rises at right angles to the main extension plane of the side surface of the oil sump and, as a conclusion, comprises a vibration-influencing surface oriented parallel to the main extension plane.
  • the oscillating influence surface to the main extension plane may include an angle of 1 ° to 60 ° with this. In particular, this is at a distance of advantage.
  • at least one oscillation-influencing surface may be a surface curved around at least one axis.
  • the oil pan can also be made of a composite material such as elastomers, sandwich materials, elastomer / composite sheet and / or laminated foams, thereby asymmetric radiation characteristics and targeted radiation directions can be achieved.
  • the vibration influencing surface is formed thinner wall than the lateral surface, further it is advantageous if in the transition region of the Schwingeinllithography to the lateral surface, a material taper and / or an elastic, the Schwingeinmannfiguration with the lateral surface connecting coupling element is arranged.
  • a material taper and / or an elastic coupling element connecting the swing-influencing surface of the lateral surface may be arranged in the transition region of the oscillating-influencing surface to the lateral surface.
  • a further alternative or additional advantageous measure for realizing a stiffer lateral surface relative to the vibration-influencing surface can be achieved in that the lateral surface is provided at least in regions with reinforcing ribs and the Schwingeinhnel Formation is provided with no or to a lesser extent with a stiffening.
  • the stiffening to a lesser extent may include stiffening ribs and / or geometric changes.
  • the stiffening ribs for stiffening the lateral surface are at least on the inside - in the final assembly state of the engine-facing side of the oil pan - arranged.
  • the stiffening ribs on the outside, d. H. be arranged in the final assembly state of the oil pan on the side facing away from the engine of the oil pan.
  • stiffening ribs are mounted on the outside, they can additionally have the function of sacrificial ribs, so that, for example, by mechanical effects such as rockfall the stiffening ribs are upstream as protection and sacrificial barrier of the oil pan walls.
  • stiffening ribs are made in one piece with the oil pan, preferably made of plastic and / or composite material.
  • at least parts of the stiffening ribs may also be made of a separate component, optionally of another material such as metal and be connected within and / or outside of the oil pan with this, that a stiffening of the lateral surface and thus a significant stiffening of the lateral surface relative takes place to the Schwingein kgisation.
  • the area of influence is substantially cylindrical or truncated cone-shaped, in particular with a substantially square, rectangular, circular, elliptical or polygonal base, particularly preferably as a straight cylinder or a straight truncated cone.
  • the maximum offset of the oscillating influence surface to the main extension plane of the side surface assigned to the influence region to the maximum width of the oil pan is a ratio in the range of 1: 4 to 1:12, preferably in the range 1: 5 to 1:10 , more preferably in the range 1: 6 is 1: 9.
  • the maximum offset of the oscillating influence surface to the main extension plane of the side area assigned to the influence area to the maximum length of the oil pan is a ratio in the range of 1:12 to 1:25, preferably in the range of 1: 16 to 1:22, particularly preferably in the range of 1:18 to 1:20, the swinging properties of the oil pan are well influenced. It has been shown that the design of the
  • Influence areas of an oil sump in the ratio ranges described results in a particularly effective effect of the areas of influence and the effect of the areas of influence is in good proportion to the production engineering and the volume of construction consuming effort of the areas of influence.
  • a further advantageous measure is when the ratio of the accumulated vibrationally influential surfaces of at least one side to the total area of this corresponding side is 1: 8 to 1.0: 1.5, preferably 1: 5 to 1: 2, more preferably 1: 4 to 1 : 3.
  • the ratio ranges of accumulated oscillatory influence surface have at least one side to the total area revealed.
  • the oil pan has at least two areas of influence, which are formed differently in their dimensions and / or in their geometry. This can be particularly advantageous if individual areas of influence are designed specifically for certain vibration spectra and to be tuned to achieve the desired vibration behavior or the desired sound radiation of the entire oil pan and possibly taking into account further, forming an assembly elements with the mounted oil pan. This measure makes it easier for the designer to interpret the oil sump acoustically.
  • the inventive "design" of the oil pan can be facilitated by at least two opposite side surfaces of the oil pan, preferably the longitudinal sides, each at least one influence area is arranged, in particular the at least two opposing influence area identically sized and / or geometrically equal vibration influencing surfaces.
  • all areas of influence are arranged in a longitudinal half of the oil pan, preferably in the last third of a longitudinal region of the oil pan, particularly preferably in the last quarter of a longitudinal region of the oil pan.
  • This can be particularly advantageous if the areas of influence are located in the region of the oil sump of an oil sump.
  • the oil sump of an oil sump is typically characterized in that it has a surface portion which is lower in the final assembly state of the sump than adjacent bottom portions of the sump. In most cases, the volume of the oil sump is greater than the volume in other areas of the sump.
  • the vibration influencing surfaces of at least two influence regions are arranged parallel to one another and / or preferably in a common plane.
  • the lateral surface of the influence areas since these are arranged on the one hand at a position exposed by the oil pan and on the other hand stiffened against the Schwingeinlisation are formed, so that an irregularity of the wall thickness / thickness due to the marking, does not adversely affect the vibration behavior of the oil sump.
  • a marker you can Date field, a material name, a country of origin designation, a customer number, a nickname, a manufacturer's logo, a customer change index, a customer logo, an RFID element and / or any other visually and / or energy-energizable marker.
  • the natural frequency of at least one influence region and / or its oscillation influencing surface is preferably in the range from 100 to 1000 Hz, preferably from 500 to 750 Hz. With these frequency ranges, the psychoacoustic parameters perceived particularly positively in the sense of the invention are amplified by the influence regions.
  • this includes a bottom portion 2, and the bottom portion 2 surrounding side surfaces 3, 3 ', 3 ", 3"', wherein the side surfaces 3, 3 "at the end faces and the side surfaces 3 ', 3'”on the longitudinal sides of the oil pan 1 are arranged.
  • the oil pan 1 can be connected to its free end via a circumferential flange region 4 on an internal combustion engine (not shown), wherein the oil pan 1 is at least partially made of plastic and / or composite material.
  • On at least one side surface 3, 3 ', 3 ", 3'” is the oil pan 1 with at least one area of influence 5, 5 ', 5 “, 5"', 5 “” provided, which has a lateral surface 6, 6 ', 6 “, 6"', 6 “” and a Schwingein bath Formation 7, 7 ', 7 “, 7 “', 7””includes.
  • the oscillating influence surface 7, 7 ', 7 “, 7”', 7 “” at least partially offset, that is spaced from the main extension plane 8 of the influence area 5, 5 ', 5 "' associated side surface 3 'arranged.
  • the influence region 5, 5 ', 5 “, 5"', 5 “” is distinguished by its specifically influenced oscillation characteristic which, in combination with the remaining oscillating properties of the oil pan 1, leads to a desired modified oscillation characteristic of the entire oil pan 1.
  • the oscillation-influencing surface 7, 7 ', 7 “, 7"', 7 “” is more elastic and thus more easily vibrationally excitable than the lateral surface 6.
  • the oscillating influence surface 7, 7 ', 7' is arranged essentially parallel to the main extension plane 8 of the side surface 3 assigned to the influence region 5, 5 ', 5'".
  • the oscillation-influencing surface 7, 7 ', 7' can also enclose an angle of 0 ° to 70 ° with the main extension plane 8.
  • the oil pan 1 is made of plastic and / or composite material, it is possible, the influence area 5, 5 ', 5 “, 5"', 5 “” with its elements 6 - 7 "” integral with the oil pan 1 form. This allows both manufacturing technology overall cost-effective oil pan 1 and a structurally simple to implement embodiment of the influence areas 5, 5 ', 5 “, 5"', 5 “” to the effect that this affects the Schallabstrahl characterizing the oil pan 1 targeted.
  • At least one area of influence 5 can be designed in several parts, for example, the element forming the lateral surface 6 can be integrally connected to the shell 1 and the oscillating influence surface 7 as a separate component or preferably inseparably connected to the lateral surface 6, for example by soldering, gluing, welding or like.
  • the oil pan 1 is provided with five influence spikes 5, 5 ', 5 ", 5"', 5 "" which are substantially cylindrical and have a rectangular base 11, cf. Figures 3 and 4 ,
  • the wall thickness 20 of the oscillation influencing surface 7 is at least partially smaller than the wall thickness 21 of the shell surface 6. This is a possible measure for the higher elasticity of the oscillation influence surface 7 with respect to the lateral surface 6 to reach.
  • stiffening ribs 9 are additionally arranged in the area of the lateral surface 6, wherein the oscillating influence surface 7 has no stiffening by corresponding stiffening ribs 9 and thus the oscillation influence surface 7 has a more elastic and "more oscillating" behavior relative to the circumferential surface 6.
  • the vibrating influence surface 7 may alternatively be provided to a lesser extent than the lateral surface 6 with stiffening ribs 9, it is essential that the Schwingeinhne lake 7 overall has a more elastic behavior than the lateral surface 6.
  • reinforcing ribs 10 are arranged on the outside of the oil pan, see. FIG. 2 .
  • the reinforcing ribs 10 perform a dual function, namely once the function of sacrificial ribs against external mechanical influences on the oil pan 1 and on the other as sound-influencing structure, since the reinforcing ribs 10 form an irregular chamber structure on the oil pan 1 and thus small oscillating surfaces, the affect the radiated from the oil pan 1 sound.
  • the core of the sound-influencing structure is the fact that the oil sump 1 provided with reinforcing ribs 10 has a natural frequency of 200-1000 Hz and the chambers are irregular in such a way that chambers of the oil sump 1 at least in some regions are so different from the chambers adjacent thereto
  • Have dimensioning and / or geometry that emitted from the chambers airborne sound in the near field mutually reducible and / or erasable is a response to a transient excitation of at least two partial surfaces of the chambered surface of the component has a correlation of 0.50 to 0.85 , preferably 0.60 to 0.70.
  • the reinforcing ribs 10 serve to delimit partial surfaces which have irregular structures and thereby, due to the stochastic distribution of acoustic dipole sources, a mutual reduction or Elimination of radiated airborne sound in the near field and thus allow in a frequency band no sound radiation (band-stop filter).
  • the oil sump 1 despite the ribbing has a defined compliance so as to adjust amplitudes in desired frequency bands to produce a certain minimum sound pressure level for these frequencies, preferably in the low range.
  • At least one opening 15 is arranged, which can serve for receiving an oil level sensor and / or for supplying the oil return from the oil separator.
  • the offset 12 of the vibration influencing surface 7 to the main extension plane 8 of the side surface 3 'assigned to the influence region 5 to the maximum width 13 of the oil pan 1 has a ratio in the range of 1: 4 to 1:11, preferably in the range of 1: 5 to 1:10 , more preferably in the range of 1: 6 to 1: 9.
  • the offset 12 of the oscillating influence surface 7 to the main extension plane 8 of the side surface 3 '"assigned to the influence region 5 is two to 50 mm, preferably four to 20 mm, particularly preferably six to twelve mm.
  • the influence regions 5, 5 'shown in the drawing figures 1, 3 and 6 differ both in the dimensioning and in the geometry of their respective vibration influencing surfaces 7, 7'. Due to the targeted unequal design of two areas of influence 5, 5 'or their Schwingein bringification 7, 7' they can be tailored to specific frequency ranges, so that the Monabstrahl the oil pan 1 is easier targeted interpretable.
  • Influence area 5, 5 are formed on two opposite side surfaces 3 ', 3'", wherein respective opposing influence areas 5, 5 “are dimensioned the same and also have identical or similar vibration influencing surfaces 7, 7".
  • Fixierstoffaidn 17, 17 'for connecting the oil pan 1 of an internal combustion engine may be provided.
  • the influence regions 5, 5 ', 5 “, 5"', 5 “” are arranged in an end-side half, essentially in an end third of a longitudinal end region 18 of the oil sump 1.
  • the base area 11 of at least one influence area 5, 5 ', 5 “, 5"', 5 “” may be rectangular.

Claims (15)

  1. Carter d'huile (1) destiné à un moteur à combustion interne, en forme de cuvette, le carter d'huile comprenant une zone inférieure (2) et des surfaces latérales (3, 3', 3', 3'") entourant ladite zone inférieure et pouvant être reliées, au niveau de son extrémité libre, par le biais d'une zone formant bride (4), à un moteur à combustion interne, le carter d'huile (1) étant au moins partiellement en matière synthétique et/ou en matériau composite,
    au moins une surface latérale (3, 3', 3', 3'") étant pourvue d'au moins une zone d'influence (5, 5', 5", 5'", 5"") qui comporte une surface d'enveloppe (6, 6', 6", 6'", 6"") et une surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") adjacente à la surface d'enveloppe (6, 6', 6", 6'", 6""), la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") étant disposée au moins en partie à distance et de manière décalée du plan d'extension principal (8) de la surface latérale (3, 3', 3', 3'") associée à la surface d'influence en termes de vibrations (5, 5', 5", 5'", 5"") et la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") présentant par rapport à la surface d'enveloppe (6, 6', 6", 6'", 6"") une plus grande élasticité et/ou une plus faible rigidité de manière à obtenir une caractéristique d'émission sonore différente de celle de la surface d'enveloppe (6, 6', 6", 6'", 6"") pour la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") et la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") étant conçue pour avoir une paroi plus mince que celle de la surface d'enveloppe (6, 6', 6", 6'", 6"").
  2. Carter d'huile (1) selon la revendication 1,
    caractérisé en ce que
    la surface d'enveloppe (6, 6', 6", 6"', 6"") entoure la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") et relie celle-ci à la surface latérale (3, 3', 3", 3'") associée à ladite zone d'influence (5, 5', 5", 5'", 5"").
  3. Carter d'huile (1) selon la revendication 1 ou 2,
    caractérisé en ce que
    la surface d'influence en termes de vibrations (7, 7', 7", 7"', 7"") est orientée parallèlement au plan d'extension principal (8) de la surface latérale (3', 3'") associée à la zone d'influence (5, 5', 5", 5'", 5"").
  4. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la zone d'influence (5, 5', 5", 5'", 5"") est conçue d'une seule pièce avec le carter d'huile (1).
  5. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") présente un rétrécissement de matière, et/ou un élément d'accouplement élastique, reliant la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") à la surface d'enveloppe (6, 6', 6", 6'", 6"") est disposé, dans la zone de transition de la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") à la surface d'enveloppe (6, 6', 6", 6'", 6"").
  6. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la surface d'enveloppe (6, 6', 6", 6'", 6"") est conçue pour être plus rigide que la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7""), en particulier en ce que la surface d'enveloppe (6, 6', 6", 6'", 6"") est pourvue au moins en partie de nervures de renforcement (9) et la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") n'est pourvue d'aucun moyen de renforcement ou n'en est pourvue que dans une moindre mesure.
  7. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la zone d'influence (5, 5', 5", 5'", 5"") a sensiblement une forme de cylindre ou de cône tronqué, en particulier avec une surface de base (11) sensiblement carrée, rectangulaire, circulaire, elliptique ou polygonale, de manière particulièrement préférée elle est conçue sous la forme d'un cylindre droit ou d'un cône tronqué droit.
  8. Carter d'huile selon l'une des revendications précédentes,
    caractérisé en ce que
    le rapport du décalage maximal (12) de la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") par rapport au plan d'extension principal (8) de la surface latérale (3'"), associée à la zone d'influence (5, 5', 5", 5'", 5""), à la largeur maximale (13) du carter d'huile (1) est dans la gamme allant de 1:4 et 1:11, de préférence de 1:5 à 1:10, de manière particulièrement préférée de 1:6 à 1:9 et/ou en ce que le rapport du décalage (12) de la surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") par rapport au plan d'extension principal (8) de la surface latérale (3"'), associée à la zone d'influence (5, 5', 5", 5'", 5""), à la longueur maximale (14) du carter d'huile (1) est dans la gamme allant de 1:12 à 1:25, de préférence de 1:16 à 1:22, plus préférablement de 1:18 à 1:20.
  9. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le rapport des surfaces d'influence en termes de vibrations (7, 7') accumulées d'au moins un côté (3) à la surface totale du côté (3) correspondant est dans la gamme allant de 1:8 à 1,0:1,5, de préférence de 1:5 à 1:2, de manière particulièrement préférée de 1:4 à 1:3.
  10. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    au moins les surfaces d'influence en termes de vibrations (7, 7') de deux zones d'influence (5, 5') ont des dimensions différentes et/ou des géométries différentes.
  11. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    au moins une zone d'influence (5, 5') est disposée au niveau d'au moins deux surfaces latérales opposées (3, 3'") du carter d'huile (1), en particulier les au moins deux zones d'influence opposées (5, 5') ont des dimensions identiques et/ou géométriquement des surfaces d'influence en termes de vibrations (7, 7') identiques.
  12. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    toutes les zones d'influence (5, 5') sont disposées dans une moitié longitudinale du carter d'huile (1), de préférence dans le dernier tiers d'une zone d'extrémité longitudinale (18) du carter d'huile (1), de manière particulièrement préférée dans le dernier quart d'une région d'extrémité longitudinale (18) du carter d'huile (1).
  13. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    au moins deux zones d'influence (5, 5") sont conçues et disposées à symétrie spéculaire par rapport à l'axe longitudinal (19) du carter d'huile (1).
  14. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    les surfaces d'influence en termes de vibrations (7, 7") d'au moins deux zones d'influence (5, 5") sont disposées parallèlement l'une à l'autre et de préférence dans un plan commun.
  15. Carter d'huile (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    la fréquence propre d'au moins une zone d'influence (5, 5', 5", 5'", 5"") et/ou de sa surface d'influence en termes de vibrations (7, 7', 7", 7'", 7"") est sensiblement dans la gamme allant de 100 à 1000 Hz, de préférence dans la gamme allant de 500 à 750 Hz.
EP12005200.6A 2011-09-01 2012-07-14 Carter à huile pour moteur à combustion interne Active EP2565403B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011112157A DE102011112157A1 (de) 2011-09-01 2011-09-01 Ölwanne für eine Brennkraftmaschine

Publications (3)

Publication Number Publication Date
EP2565403A2 EP2565403A2 (fr) 2013-03-06
EP2565403A3 EP2565403A3 (fr) 2015-01-07
EP2565403B1 true EP2565403B1 (fr) 2019-09-04

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DE102015014348A1 (de) 2015-11-05 2017-05-11 Man Truck & Bus Ag Aufnahmevorrichtung zum Aufnehmen eines Betriebsmittels
CN105888769A (zh) * 2016-05-24 2016-08-24 安徽福马汽车零部件集团有限公司 重型汽车发动机油底壳
DE102019112758A1 (de) * 2019-05-15 2020-11-19 Otto-Von-Guericke-Universität Magdeburg Leichte Ölwanne mit integrierter thermischer Isolierung und Schwingungsdämpfung

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DE102011112157A1 (de) 2013-03-07
EP2565403A3 (fr) 2015-01-07

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