EP2167235B1 - Moteur à combustion interne comprenant un séparateur destiné à la séparation de brouillard d'huile provenant de gaz de ventilation d'un carter de vilebrequin - Google Patents

Moteur à combustion interne comprenant un séparateur destiné à la séparation de brouillard d'huile provenant de gaz de ventilation d'un carter de vilebrequin Download PDF

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Publication number
EP2167235B1
EP2167235B1 EP08784739A EP08784739A EP2167235B1 EP 2167235 B1 EP2167235 B1 EP 2167235B1 EP 08784739 A EP08784739 A EP 08784739A EP 08784739 A EP08784739 A EP 08784739A EP 2167235 B1 EP2167235 B1 EP 2167235B1
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EP
European Patent Office
Prior art keywords
internal combustion
combustion engine
oil
shaft
separator
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
EP08784739A
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German (de)
English (en)
Other versions
EP2167235A2 (fr
Inventor
Dieter Baumann
Christian Vinkelau
Guido Schlamann
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.)
Ing Walter Hengst GmbH and Co KG
Original Assignee
Ing Walter Hengst GmbH and Co KG
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Publication of EP2167235A2 publication Critical patent/EP2167235A2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/005—Centrifugal separators or filters for fluid circulation systems, e.g. for lubricant oil circulation systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B7/00—Elements of centrifuges
    • B04B7/08—Rotary bowls
    • B04B7/12—Inserts, e.g. armouring plates
    • B04B7/14—Inserts, e.g. armouring plates for separating walls of conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
    • B04B9/06—Fluid drive
    • 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
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04B—CENTRIFUGES
    • B04B5/00—Other centrifuges
    • B04B5/12—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers
    • B04B2005/125—Centrifuges in which rotors other than bowls generate centrifugal effects in stationary containers the rotors comprising separating walls
    • 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
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0422—Separating oil and gas with a centrifuge device

Definitions

  • the invention relates to an internal combustion engine, in particular of a motor vehicle, with a separator for separating oil mist from the crankcase ventilation gas of the internal combustion engine, with a gas cleaning space in which a rotatably mounted centrifugal rotor is arranged, wherein the gas cleaning chamber has a raw gas inlet, a clean gas outlet and an oil outlet through the raw gas inlet, the crankcase ventilation gas is introduced into a radially inner region of the centrifugal rotor, clean gas freed from the gas cleaning space by the clean gas outlet of oil mist, oil separated from the gas from the gas purification space being dissipatable by the oil outlet, and a rotary drive for the oil Centrifugal rotor, wherein the rotary drive is arranged in a separate from the gas cleaning space drive space of the separator and operable with pressurized lubricating oil of the internal combustion engine and a drive from the space in the shaft extending the gas cleaning space is connected to the centrifugal rotor, wherein the rotary
  • WO 2007/073 320 A is an internal combustion engine with a separator of the type mentioned above.
  • the rotor of this separator is preferably rotatably mounted in a separate frame, which is inserted into a housing and therein can be attached.
  • the housing is mounted over a corresponding opening on a valve cover of the internal combustion engine.
  • the disadvantage requires the separator a relatively large installation space.
  • the task is to provide an internal combustion engine with a separator of the type mentioned, in which the separator requires a smaller installation space.
  • the object is achieved with an internal combustion engine with a separator of the type mentioned, which is characterized in that the drive space is located within the internal combustion engine under or behind the mounting flange.
  • the drive space lying in the internal combustion engine can be arranged for example in an engine block or a cylinder head or a cylinder head cover of the internal combustion engine.
  • the main body and a lid of the separator can be attached together or individually to the mounting flange.
  • the joint attachment is particularly advantageous for an initial assembly in the production of the internal combustion engine; a single attachment is useful for later maintenance and repair if only the cover is to be removed for access to the centrifugal rotor.
  • the invention proposes that a first bearing of the shaft is arranged in the base body and a second bearing of the shaft in the lying in the internal combustion engine drive space.
  • a large distance of the bearings allows each other, which keeps the forces acting on the shaft transverse to the longitudinal direction advantageously small and whereby the load on the bearings is kept low. This contributes to a particularly long maintenance-free life of the bearings and thus of the separator as a whole.
  • the second in the lying in the internal combustion engine drive space bearing of the shaft in the part the body formed, extending into the drive space extending body part with the bearing receptacle.
  • This embodiment has the particular advantage that both bearing mounts for the bearings of the centrifugal rotor are in one component, namely in the body, whereby misalignment in the orientation of the bearings can be easily avoided.
  • the extending into the drive space into bearing receptacle can be made in one piece with the rest of the body or firmly connected.
  • the shaft is hollow over part of its length and forms an oil passage, that via a rotary feedthrough the pressurized lubricating oil in the oil passage can be introduced, that the lubricating oil of the at least one recoil nozzle is fed through the oil passage and each recoil nozzle a branch channel and that a pressure oil supply forming oil passage for the pressurized lubricating oil within the internal combustion engine at the second bearing leads into the oil passage in the shaft , preferably in the axial direction.
  • This type of rotary feedthrough is technically very simple, which keeps the construction advantageous cost. At the same time a reliable, guaranteed without special additional measures good lubrication at least the second bearing is achieved.
  • the pressurized lubricating oil for rotary drive the centrifugal rotor is diverted from a clean side of a lubricating oil circuit of the internal combustion engine, so in particular in the oil flow direction behind an oil filter internal combustion engine.
  • the pressurized lubricating oil for the rotary drive, the centrifugal rotor can be branched off from a raw side of a lubricating oil circuit of the internal combustion engine, ie in particular in the oil flow direction between an oil pump and an oil filter of the internal combustion engine.
  • This version has the specific advantage that the lubricating oil has its maximum pressure here and thus provides maximum drive power for the centrifugal rotor.
  • the invention provides that the raw gas inlet passes through the base body, wherein in the base body a circumferential in the circumferential direction of the raw gas channel is arranged , spaced from each other in the circumferential direction lead several passage openings in the gas cleaning space, and that a part of the Rohgaseinlasses forming machine side Rohgaskanal inside the internal combustion engine in the mounting flange and there in the circulating raw gas duct or directly into the passage openings in the base plate.
  • a ring-shaped circumferential oil collecting channel is preferably provided in an upper-side region of the base body radially outward of the centrifugal rotor, from which an oil return forming the oil outlet, and the oil outlet passed through the mounting flange in the internal combustion engine, so that here also no external Line must be made and connected.
  • a pressureless oil discharge channel discharging from the at least one recoil nozzle from the drive chamber.
  • FIG. 1 The drawing shows a first separator 1 in a longitudinal section, which extends in a substantially vertical plane, wherein the separator 1 is flanged to an internal combustion engine 7 also shown here cut only to a very small extent.
  • the separator 1 comprises in its upper region a gas cleaning space 11 and in its lower region a drive space 12.
  • the gas cleaning space 11 and the drive space 12 are separated from each other by a base plate 4.
  • the gas cleaning space 11 is limited to the outside by a cover 5, which is placed sealingly on the top 40 of the base plate 4.
  • the lying under the base plate 4 drive chamber 12 is located within the internal combustion engine 7 and is limited by this side and bottom.
  • a rotatable shaft 3 which is in an upper bearing 33.1, here a roller bearing, and in a lower bearing 33.2, here a plain bearing, is mounted.
  • a centrifugal rotor 2 On an upper part of the shaft 3, which is located in the gas cleaning space 11, a centrifugal rotor 2 is mounted, which is formed of a plurality of superimposed plates 20, each having the shape of a truncated cone.
  • the plates 20 are rotationally positioned by means provided on the outer circumference of the shaft 3, circumferentially spaced-apart ribs.
  • the individual plates 20 engage one another positively, whereby the plates 20 are secured against rotation with each other.
  • a stacking pedestal 21 is arranged under the stack of the plates 20, under the stack of the plates 20, a stacking pedestal 21 is arranged. At the upper end of the stack of the plates 20, a stacking attachment 22 is arranged. The stacking pedestal 21 is supported on the shaft 3 in the axial direction downwards. The stacked top 22 is supported by a coil spring 23 having a downwardly facing, i.e. towards the stacking pedestal 21, acting biasing force applied. The coil spring 23 is arranged on the upper end of the shaft 3 and surrounds it. The upper end of the spring 23 is supported on a ring connected to the shaft 3, while the lower end of the spring 23 presses on the top of the stack top 22. As a result, the stacking attachment 22 and the stacking base 21 are pressed against each other with the interposition of the plate 20, whereby an additional stabilization of the centrifugal rotor 2 takes place.
  • a rotary drive is connected, which serves to generate a rotation of the centrifugal rotor 2.
  • the rotary drive here consists of two recoil nozzles, of which in the section according to FIG. 1 only the recoil nozzle 38.1 is visible.
  • the recoil nozzle 38.1 and the second, lying in front of the cutting plane recoil nozzle are mounted on a cone-shaped in its basic shape nozzle carrier 36 which is rotationally connected to the lower part of the shaft 3.
  • pressurized lubricating oil of the associated internal combustion engine 7 is used, which is introduced by means of a rotary feedthrough 35 in the hollow, an oil passage 34 forming the interior of the shaft 3.
  • the oil passage 34 is in communication with two branch channels, which lead to the recoil nozzle 38.1 and the other, not visible recoil nozzle.
  • the lubricating oil emerging from the recoil nozzles flows without pressure into the drive chamber 12 and preferably out of this into an oil sump of the associated internal combustion engine 7.
  • crankcase ventilation gas is supplied to the separator 1 through a raw gas inlet 61.
  • the crankcase ventilation gas passes into a region of the gas cleaning space 11 located radially inward of the centrifugal rotor 2 and above it.
  • the incoming crankcase ventilation gas distributes itself uniformly in the circumferential direction and flows from there to
  • the plates 20 of the centrifugal rotor 2 in a conventional manner have openings in its radially inner region, which allow a distribution of the gas over the height of the stack of the plates 20.
  • the crankcase ventilation gas then flows radially outwards between the plates 20 as a result of the centrifugal force occurring during the rotation of the centrifugal rotor 2, wherein entrained oil droplets impact the plates 20 and settle there. This contributes to the inclined course of the radially outer part of the plate 20.
  • precipitated oil flows under the centrifugal force to the outside and is thrown off the outer periphery of the centrifugal rotor 2 and thus reaches the inner surface of the lid 5, which delimits the gas cleaning space 11.
  • the precipitated on the inner surface of the lid 5 oil flows under gravity down and enters a lying radially outwardly from the centrifugal rotor 2 in the upper surface 40 of the base plate 4 oil collecting channel 43. From the oil collecting channel 43 goes from an oil outlet 63, through which the separated oil can be removed, preferably in the oil pan of the associated internal combustion engine. 7
  • crankcase ventilation gas flows from the outer periphery of the centrifugal rotor 2 upwards and in there provided, integral with the lid 5 running, not visible here clean gas outlet.
  • the purified crankcase ventilation gas is preferably supplied to an intake tract of the associated internal combustion engine 7 via a further line.
  • the cover 5 is sealed by means of a cover flange 50 placed on the upper side 40 of the base plate 4 and secured to this example by means of screws.
  • the base plate 4, which carries all part of the separator 1, is in turn flanged with its bottom 44 to a provided on the side of the engine 7 mounting flange 70.
  • the drive chamber 12 of the separator 1 is thus within the internal combustion engine. 7
  • FIG. 2 the drawing shows the separator 1 FIG. 1 in one opposite the FIG. 1 90 ° rotated cutting plane.
  • the section according to FIG. 2 now lies the nozzle carrier 36 so that neither the first recoil nozzle nor the second recoil nozzle is visible.
  • the pressurized lubricating oil is here supplied to the separator 1 by a pressure oil supply 64.
  • the pressure oil supply 64 leads to a rotary feedthrough 35, over which the pressurized lubricating oil in the formed in the shaft 3 oil passage 34 passes.
  • the rotary feedthrough 35 is arranged to save space within the lower, designed as a sliding bearing 33.2 of the shaft 3.
  • FIG. 2 Visible details will be given on the description of FIG. 1 directed.
  • Characteristic of the separator 1 according to the FIGS. 1 and 2 is that the main body 4, which separates the gas cleaning chamber 11 from the drive chamber 12, is integrally formed here with a extending into the drive chamber 12 in the body part 45.
  • This body part 45 has in its lower end region a bearing receptacle 46.2, in which the lower bearing 33.2 is received for the shaft 3.
  • the lower bearing 33.2 is here a sliding bearing.
  • the upper bearing 33.1 for the shaft 3 is designed here as a rolling bearing and is located in an upper bearing receptacle 46.1, which is provided on the upper side of the base body 4 is.
  • both bearings 33.1 and 33.2 are arranged in the one-piece base body 4, whereby alignment errors in the arrangement of the bearings 33.1 and 33.2 are avoided in two different parts of the separator.
  • the oil discharge from the return nozzles 38.1, 38.2 on the other hand the oil discharge from the return nozzles 38.1, 38.2 on the other hand. Exiting lubricating oil does not interfere too much, the body part 45 extends approximately over half the circumference of the drive chamber 12 and is provided in this course with openings 47 for the lubricating oil.
  • the pressurized lubricating oil for driving the centrifugal rotor 2 is here passed through the pressure oil supply 64 in the hollow interior of the shaft 3, from where it is fed to the recoil nozzles.
  • the leaked from the nozzles lubricating oil flows down through the oil discharge channel 65 without pressure.
  • crankcase ventilation gas to be treated in the separator 1 passes through the raw gas inlet 61 formed inside the internal combustion engine 7 into the annular region 42 on the outer circumference of the main body 4 and from there through passageways not visible up to the gas cleaning space 11.
  • This shield ring 39 forms here with the upper bearing receptacle 46.1 a non-contact, non-braking gap seal.
  • FIG. 3 is the main body 4 of the separator according to the FIGS. 1 and 2 shown as a single part in a perspective view.
  • FIG. 3 illustrates that the main body 4 has an upper, substantially disc-shaped part which separates the gas cleaning space from the drive space in the assembled state of the separator.
  • Near the radially outer periphery of the upper part of the base body 4 are the openings 41 ', through which passes through the crankcase ventilation gas to be cleaned in the gas cleaning space.
  • the body part 45 From the underside 44 of the base 4, the reaching into the drive space body part 45 extends downwards. It will be in FIG. 3 particularly clear that seen in the circumferential direction, the body part 45 extends approximately over half the circumference of the base body 4. In order not to hinder the discharge of the lubricating oil emerging from the return nozzles of the rotary drive, the body part 45 has two relatively large, window-like apertures 47 for the lubricating oil in its peripheral region.
  • Granz down the body portion 45 of the body 4 has the lower bearing receptacle 46.2, in which the lower bearing is arranged for the shaft.
  • the entire base body 4 including the downwardly extending body part 45 can be made as a one-piece injection-molded part made of plastic or die-cast part made of light metal, which allows a cost-effective mass production.
  • FIG. 4 shows in a side view the centrifugal rotor 2 together with the shaft 3 carrying it as a detail of the separator.
  • the shaft 3 is rotatable about the rotation axis 30 together with the centrifugal rotor 2.
  • the centrifugal rotor 2 consists of the number of plates 20 which are arranged on the shaft 3 against each other rotationally fixed between the stacking pedestal 21 and the stacking attachment 22.
  • the stacking attachment 22 is acted upon by the spring 23 with a force pointing in the direction of the stacking pedestal 21.
  • the nozzle carrier 36 is arranged on the shaft 3. Radially outward, the nozzle carrier 36 has the two recoil nozzles, of which only the left recoil nozzle 38.1 is visible, while the other recoil nozzle 38.2 points to the rear.
  • the outer circumference of the shaft 3 is designed as a thread seal 39 '.
  • a thread seal 39 ' In cooperation with a feed-through bore through the main body 4, not shown here causes the thread seal 39 'frictionless, sufficiently oil and gas-tight completion of the drive chamber and gas cleaning space against each other in both directions. This is in particular a disturbing violation of Lubricating oil from the drive space below avoided in the overhead gas cleaning room.
  • FIG. 5 is a base body 4 in which shown in the drive space extending into body part 45 in longitudinal section.
  • the base body 4 In its upper part of the base body 4 carries in the bearing receptacle 46.1, the first, upper bearing 33.1 for the shaft of the rotor, not shown here.
  • the second lower bearing 33.2 for the shaft In the lower region of the body part 45, the second lower bearing 33.2 for the shaft is arranged in the bearing receptacle 46.2 provided there.
  • the two bearings 33.1 and 33.2 and the associated bearing receivers 46.1 and 46.2 are formed as or with calottes 49.
  • calottes 49 the two bearings 33.1 and 33.2 can be positively aligned in the longitudinal direction of the shaft, even if during operation any movements of the bearing receivers 46.1 and 46.2 occur relative to one another.
  • Reason for such movements and misalignments may be, for example, temperature changes or manufacturing errors.
  • the caps 49 such influences have no negative effect on the ease of storage of the shaft in the two bearings 33.1 and 33.2.
  • the bearings 33.1 and 33.2 are used directly in the associated bearing receivers 46.1 and 46.2, which is useful in a base body 4 made of metal, in particular light metal, such as aluminum.
  • FIG. 6 shows a modification of the base body 4 from FIG. 5 , In its shape, the base body 4 agrees FIG. 6 essentially with the main body 4 in FIG FIG. 5 that is, it also has the body part 45 extending into the drive space.
  • the two bearing receivers 46.1 and 46.2 for the two bearings 33.1 and 33.1 are also present.
  • a Kalottentiv 49 ' is arranged, which forms a cap 49 on its inner circumference together with the correspondingly shaped outer periphery of the respective bearing 33.1 and 33.2. This is also an automatically aligned exactly alignment of the bearing 33.1 and 33.2 accordingly the course of the wave, not shown here compulsory possible.
  • the Kalottenein accounts 49 'themselves are preferably made of metal, while the rest of the base body 4 may consist of a plastic.
  • FIG. 7 below shows an example of the basic body 4 together with the body part 45 extending into the drive space 12 and, at the top, a centrifugal rotor 2 which is arranged in the gas cleaning space 11.
  • a ⁇ lleitring 48 is arranged, which surrounds the nozzle carrier 36 which is rotationally connected to the shaft 3 and which rotates the rotor 2, surrounds.
  • the ⁇ lleitring 48 integral with the main body 4, more precisely with the body part 45, is formed. Since the body part 45 extends only over about half the circumference of the base body 4, the ⁇ lleitring 48 in the other half, ie in FIG. 7 in the left half, formed by a separate part, which is connected to the rest of the base body 4 so that the circumferential ⁇ lleitring 48 results.
  • the ⁇ lleitring 48 has obliquely oriented, vertically and parallel to the shaft 3 extending fins 48 ', which form 47 openings between them.
  • the apertures 47 are formed in accordance with the oblique orientation of the blades 48 'in turn with an oblique course.
  • This oblique course is directed so that an oil jet, which emerges from the return nozzles of the nozzle carrier 36, largely unhindered between the fins 48 'can pass through, but that an oil jet, which is reflected from radially outward toward the fins 48' of the lamellae 48 'is largely stopped.
  • the reflection surface for the oil forms an inner peripheral surface of the drive space 12, which in FIG. 7 is not specifically shown, but which is usually present to demarcate the drive space 12 from the outside environment.
  • FIG. 8 shows a bottom view, partly in cross section, on the base body 4 and the nozzle carrier 36 FIG. 7 , In the center of FIG. 8 the shaft 3 is cut. Radially outwardly therefrom, an inner region of the nozzle carrier 36 is cut. Further Outside in the radial direction are the two thrust nozzles 38.1 and 38.2 for driving the shaft 3. Pressurized lubricating oil is supplied to the recoil nozzles 38.1 and 38.2 through the branch channels 37.1 and 37.2. These branch channels 37.1 and 37.2 are in fluid communication with the central hollow channel 34 in the interior of the shaft 3 in a manner not visible here.
  • FIG. 9 shows the main body 4 with extending into the drive chamber 12 body part 45 and two bearings 33.1, 33.2 in longitudinal section in a further embodiment.
  • Characteristic here is that the body part 45 is first made as a separate, approximately cup-shaped item and then connected to the rest of the base body 4.
  • the connection is here for example a Klips- or welding or adhesive connection.
  • openings 27 are mounted radially outwardly from the bearing 33.2 for the draining oil.
  • openings may also be made in the peripheral area of the body part 45, e.g. in the shape as in the above-described ⁇ lleitring 48th
  • FIG. 9 facilitates the assembly of the bearings 33.1, 33.2 and the shaft 3 with the nozzle carrier 36, the in FIG. 9 are not shown.

Claims (10)

  1. Moteur à combustion interne (7), notamment d'un véhicule à moteur, avec un séparateur (1) pour séparer de la vapeur d'huile provenant du gaz de purge du carter du moteur à combustion interne (7), avec un espace de nettoyage gazeux (11) dans lequel est disposé un rotor centrifuge (2) logé à rotation, dans lequel l'espace de nettoyage gazeux (11) présente une entrée de gaz brut (61), une sortie de gaz pur (62) et une sortie d'huile (63), dans lequel le gaz de purge du carter peut être introduit à travers l'entrée de gaz brut (61) dans une région radialement interne du rotor centrifuge (2), dans lequel du gaz pur exempt de vapeur d'huile peut être évacué de l'espace de nettoyage gazeux (11) à travers la sortie de gaz pur (62), dans lequel de l'huile séparée du gaz peut être évacuée de l'espace de nettoyage gazeux (11) à travers la sortie d'huile (63), et avec un entraînement rotatif pour le rotor centrifuge (2), dans lequel l'entraînement rotatif est disposé dans un espacé d'entraînement (12) du séparateur (1) séparé de l'espace de nettoyage gazeux (11) et peut être exploité avec de l'huile lubrifiante sous pression du moteur à combustion interne (7), et est relié par le biais d'un arbre (3) s'étendant de l'espace d'entraînement (12) dans l'espace de nettoyage gazeux (11) au rotor centrifuge (2), dans lequel l'entraînement rotatif est formé par au moins une tuyère à réaction (38.1, 38.2) reliée à l'arbre (3), pouvant être alimentée avec l'huile lubrifiante sous pression du moteur à combustion interne (7), dans lequel un corps de base (4) qui forme la séparation entre l'espace de nettoyage gazeux (11) et l'espace d'entraînement (12) s'étend au moins avec une partie de corps (45) présentant un logement de palier (46.2) pour un palier (33.2) de l'arbre (3) se situant à l'écart du rotor centrifuge (2) dans l'espace d'entraînement (12) et dans lequel une bride de montage (70) sur laquelle le séparateur (1) ou un module de fonction présentant le séparateur (1) peut être monté en réalisant des connexions d'écoulement, est prévue sur le moteur à combustion interne (7),
    caractérisé en ce
    que l'espace d'entraînement (12) se situe au sein du moteur à combustion interne (7) en dessous ou derrière la bride de montage (70).
  2. Moteur à combustion interne selon la revendication 1, caractérisé en ce que le corps de base (4) et un couvercle (5) du séparateur (1) peuvent être montés ensemble ou individuellement sur la bride de montage (70).
  3. Moteur à combustion interne selon la revendication 1 ou 2, caractérisé en ce qu'un premier palier (33.1) de l'arbre (3) est disposé dans le corps de base (4) et un second palier (33.2) de l'arbre (3) est disposé dans l'espace d'entraînement (12) situé dans le moteur à combustion interne (7).
  4. Moteur à combustion interne selon la revendication 3, caractérisé en ce que le second palier (33.2) de l'arbre (3) disposé dans l'espace d'entraînement (12) situé dans le moteur à combustion interne (7) se situe dans la partie de corps (45) réalisée en tant que partie du corps de base (4), s'étendant dans l'espace d'entraînement (12) avec le logement de palier (46.2).
  5. Moteur à combustion interne selon la revendication 4, caractérisé en ce que l'arbre (3) est creux sur une partie de sa longueur et forme un canal d'huile (34), que l'huile lubrifiante sous pression peut être introduite dans le canal d'huile (34) par le biais d'un passage rotatif (35), que l'huile lubrifiante de l'au moins une tuyère à réaction (38.1, 38.2) peut être amenée à un canal de dérivation (37.1, 37.2) partant du canal d'huile (34) à travers le canal d'huile (34) et à chaque fois une tuyère à réaction (38.1, 38.2), et qu'un canal d'huile formant l'amenée d'huile sous pression (64) pour l'huile lubrifiante sous pression à l'intérieur du moteur à combustion interne (7) au niveau du second palier (33.2) conduit dans le canal d'huile (34) dans l'arbre (3).
  6. Moteur à combustion interne selon l'une quelconque des revendications 1 à 5, caractérisé en ce que de l'huile lubrifiante sous pression pour l'entraînement rotatif du rotor centrifuge (2) est dérivée d'un côté pur d'un circuit d'huile lubrifiante du moteur à combustion interne (7).
  7. Moteur à combustion interne selon l'une quelconque des revendications 1 à 5, caractérisé en ce que de l'huile lubrifiante sous pression pour l'entraînement rotatif du rotor centrifuge (2) est dérivée d'un côté brut d'un circuit d'huile lubrifiante du moteur à combustion interne (7).
  8. Moteur à combustion interne selon l'une quelconque des revendications 1 à 7, caractérisé en ce que l'entrée de gaz brut (61) s'étend à travers le corps de base (4), dans lequel un canal de gaz brut (41) circulant dans son sens périphérique, duquel plusieurs ouvertures de passage (41') écartées les unes des autres dans le sens périphérique conduisent dans l'espace de nettoyage gazeux (11), est disposé dans le corps de base (4), et qu'un canal de gaz brut côté moteur formant une partie de l'entrée de gaz brut (61) au sein du moteur à combustion interne (7) conduit dans la bride de montage (70) et de là dans le canal de gaz brut périphérique (41) ou directement dans les ouvertures de passage (41') dans le corps de base (4).
  9. Moteur à combustion interne selon l'une quelconque des revendications 1 à 8, caractérisé en ce qu'une goulotte collectrice d'huile (43) circulant de manière annulaire, de laquelle un canal de renvoi d'huile formant la sortie d'huile (63) part, est prévue dans une région supérieure du corps de base (4) de manière radiale à l'extérieur du rotor centrifuge (2) et que la sortie d'huile (63) est guidée à travers la bride de montage (70) dans le moteur à combustion interne (7).
  10. Moteur à combustion interne selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'un canal de dérivation d'huile (65) sans pression évacuant de l'espace d'entraînement (12) l'huile lubrifiante sortant de l'au moins une tuyère à réaction (38.1, 38.2) est prévu au sein du moteur à combustion interne (7).
EP08784739A 2007-07-13 2008-07-11 Moteur à combustion interne comprenant un séparateur destiné à la séparation de brouillard d'huile provenant de gaz de ventilation d'un carter de vilebrequin Active EP2167235B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202007009913U DE202007009913U1 (de) 2007-07-13 2007-07-13 Abscheider zum Abscheiden von Ölnebel aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine und Brennkraftmaschine mit einem Abscheider
DE102007054922A DE102007054922A1 (de) 2007-07-13 2007-11-15 Abscheider zum Abscheiden von Ölnebel aus dem Kurbelgehäuseentlüftungsgas einer Brennkraftmaschine sowie Funktionsmodul und Brennkraftmaschine mit einem Abscheider
PCT/EP2008/005702 WO2009010248A2 (fr) 2007-07-13 2008-07-11 Séparateur destiné à la séparation de brouillard d'huile provenant de gaz de ventilation d'un carter de vilebrequin d'un moteur à combustion interne, et module fonctionnel et moteur à combustion interne comprenant un tel séparateur

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EP2167235A2 EP2167235A2 (fr) 2010-03-31
EP2167235B1 true EP2167235B1 (fr) 2012-12-19

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US (1) US8714132B2 (fr)
EP (1) EP2167235B1 (fr)
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US20100180854A1 (en) 2010-07-22
EP2167235A2 (fr) 2010-03-31
US8714132B2 (en) 2014-05-06
WO2009010248A2 (fr) 2009-01-22
DE202007009913U1 (de) 2008-11-20
DE102007054922A1 (de) 2009-01-15
WO2009010248A3 (fr) 2009-06-11

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