EP3011150A1 - Dispositif séparateur d'huile destiné en particulier à une ventilation de boîte de manivelle d'un moteur à combustion interne - Google Patents

Dispositif séparateur d'huile destiné en particulier à une ventilation de boîte de manivelle d'un moteur à combustion interne

Info

Publication number
EP3011150A1
EP3011150A1 EP14732088.1A EP14732088A EP3011150A1 EP 3011150 A1 EP3011150 A1 EP 3011150A1 EP 14732088 A EP14732088 A EP 14732088A EP 3011150 A1 EP3011150 A1 EP 3011150A1
Authority
EP
European Patent Office
Prior art keywords
gas stream
oil
flow
hollow body
gas
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.)
Granted
Application number
EP14732088.1A
Other languages
German (de)
English (en)
Other versions
EP3011150B1 (fr
Inventor
Robert Reichelt
Ulf MÜLLER
Jürgen MEUSEL
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.)
Thyssenkrupp Dynamic Components Teccenter AG
Original Assignee
ThyssenKrupp Presta TecCenter AG
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 ThyssenKrupp Presta TecCenter AG filed Critical ThyssenKrupp Presta TecCenter AG
Priority to EP17166276.0A priority Critical patent/EP3222829A1/fr
Publication of EP3011150A1 publication Critical patent/EP3011150A1/fr
Application granted granted Critical
Publication of EP3011150B1 publication Critical patent/EP3011150B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F01M13/00—Crankcase ventilating or breathing
    • F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/02—Valve drive
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L2001/0475—Hollow camshafts
    • 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
    • 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
    • F01M2013/0433—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
    • 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
    • F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter

Definitions

  • the present invention relates to a Olabscheide worn, in particular for a Kurbelgepatuseentiablyung an internal combustion engine, having a longitudinal axis in an axially extending hollow body which is flowed through by an oil-laden gas stream, wherein in the hollow body provided with an axial passage oil separation body is introduced by the gas flow can be flowed on.
  • CONFIRMATION COPY It is therefore customary to pass the blow-by gas accumulating during operation of the internal combustion engine back into the intake tract of the internal combustion engine.
  • Another aspect of improving oil separation devices relates to a minimum flow resistance experienced by the gas flow as it flows through the oil separator. However, a high separation efficiency is required to minimize the entry of residual oil into the charge air tract, in particular to prevent oiling of air mass meters and turbochargers.
  • DE 10 2009 012 400 A1 shows an oil separation device which is suitable for crankcase ventilation of an internal combustion engine.
  • the ⁇ labscheide realized a hollow body, which may be formed for example by a portion of a camshaft, or the hollow body is tubular and integrated in a cylinder head cover of an internal combustion engine.
  • a swirl generator is arranged, and the hollow body has an end-side feed opening for introducing the gas stream and a discharge opening for discharging the gas stream.
  • the gas stream introduced into the hollow body may carry oil in the form of oil mist or spray droplets which are to be removed from the gas stream by the oil separation device.
  • the cavity further comprises a discharge opening for the discharge of separated oil, which is carried out separately from the discharge of the liberated from the oil gas stream.
  • the oil separator shown uses a swirl effect, which is particularly advantageous when the oil separator is incorporated in a rotating camshaft, which forms the hollow body of the oil separator.
  • a swirl generator is provided with a plurality of spirally formed flow channels in the hollow body, through which a swirl is introduced into the oil-laden gas stream.
  • the oil can be separated by the discharge opening for the oil from the discharge opening of the purified gas stream, which is subsequently fed to the intake tract of the internal combustion engine or, for example, also to a reciprocating compressor.
  • this may be formed of a porous plastic or of a sintered material, wherein plastic or metal braids are advantageously used.
  • Such braids form a plurality of cavities and labyrinths, whereby the separation of the oil from the gas stream is further supported.
  • the swirl conveys the oil droplets radially outward with respect to the longitudinal axis of the hollow body, and the gas stream is passed through the central passage in the oil separation ring.
  • the object of the invention is the development of a Olabscheide worn in particular for the crankcase ventilation of an internal combustion engine, which allows a high separation efficiency of oil from a gas stream and which is further developed in particular such that the lowest possible flow resistance of the gas stream is formed by the hollow body.
  • the invention includes the technical teaching that in the region of the passage of the Olabscheide endeavors a deflecting body is introduced into the hollow body, which is flowed by the gas stream substantially from the direction of the longitudinal axis with the gas stream and through which the gas flow radially outward against the inside of the Olabscheide endeavors is distractible.
  • the invention is based on the idea of directing the oil-laden gas stream on the inside against the example, tubular or sleeve-shaped Olabscheidekorper.
  • the oil from the gas stream can be deposited on the Olabscheidekorper from the gas stream, and the gas stream purified oil can pass through the Olabscheidekorper by the example central, axial passage, the separated oil between the outside of the Olabscheide endeavors and the inner wall of the tubular body can be removed , Consequently, the Olabscheidekorper forms a barrier between the separated oil and the gas stream in the further course of the gas flow, wherein the oil can be removed after passing through the Olabscheide endeavors from the hollow body and the oil circuit of the internal combustion engine can be fed again.
  • the purified gas stream can be led out of the hollow body and fed to the charge air tract of the internal combustion engine.
  • the Olabscheidekorper may extend approximately rotationally symmetrical about the longitudinal axis of the hollow body around, and the Olabscheidekorper may be introduced into the hollow body so that substantially the entire gas stream passes through the passage in the Olabscheidekorper.
  • the deflecting body can advantageously be introduced centrally in the passage of the oil separator body, and this can likewise extend rotationally symmetrically about the longitudinal axis. It is particularly advantageous if the deflecting viewed in the downstream, so lying in the flow direction, rear third of the Olabscheide endeavors is, whereby the gas flow is deflected so that it is directed substantially over the entire length of the Olabscheide endeavors against the inside.
  • the deflecting a Outer diameter include, which is determined so that the purified gas stream between the inner diameter of the ⁇ labscheide stresses and the outer diameter of the deflecting body can flow through low pressure loss.
  • the indication of the arrangement or orientation formed downstream in the sense of the present invention, represents only a directional indication which describes a direction which is oriented in or with a possible gas flow direction.
  • the deflecting body and in particular the oil separator body may be rotationally symmetrical, wherein the deflecting body may have a flow peak lying in the longitudinal axis with a deflection contour that preferably grows in a hyperbolic direction downstream.
  • the hyperbolic deflection contour results in a rotational body which forms a circumferential flow throat, so that the deflection of the flow takes place comparatively slowly in order to avoid that the oil entrained in the gas flow is already deposited on the surface of the deflection body.
  • the deflection of the gas flow through the deflection body against the inside of the oil separation body takes place in such a way that the gas flow acts on the inside of the oil separation body approximately vertically in order to achieve a particular impactor effect.
  • the oil in the gas stream can be present in the form of oil mist or oil droplets which can pass through the oil separation body in order to continue this downstream on the outside of the ⁇ labscheide analysess between the Olabscheide endeavor and the inside of the hollow body downstream of the purified gas stream.
  • the oil separation body is elongate and in particular funnel-shaped in the direction of the longitudinal axis, wherein the funnel shape is aligned open against the flow direction of the gas flow.
  • This causes that the gas flow through the deflecting body does not have to be deflected for example by 90 °, as would be required to the gas flow approximately perpendicular to the inside of a Hollow cylinder body to hit.
  • the funnel shape is rather achieved that the deflection of the gas flow, for example, must be done only about 45 ° to 60 ° to impinge already approximately perpendicular to the inside of the funnel-shaped ⁇ labscheideMechs and to achieve a corresponding Impaktor moral.
  • the deflecting body is received in the region of the passage of the oil separation body by a holding body, wherein radial gaps can be introduced in the holding body, which can be flowed through by the gas flow to its deflection.
  • the radial gaps can already be separated from one another by fan-like lamellae which, in addition to the deflection body, already upstream of the deflection body effect a deflection of the gas flow in the direction of the inside of the oil separation body.
  • the deflection of the gas stream is carried out in principle under application of a radial flow component, which superimposes the axial flow component of the gas stream in the direction of the longitudinal axis of the hollow body.
  • the holding body forms a kind of basket, which consists of openings for forming the radial gaps, and the basket-like holding body opens into the deflecting body, wherein the deflecting body and the holding body can be integrally formed, for example, of a plastic component.
  • an inlet funnel is arranged upstream of the passage of the ⁇ labscheideSchs upstream, through which the gas stream is accelerated into the passage of the ⁇ labscheideSchs inside.
  • the arrangement of the inlet funnel is achieved in particular that the oil-laden gas stream does not already impinges on the front side against the Olabscheidekorper.
  • the gas stream is pre-accelerated by the inlet funnel in order to have a higher speed even before deflection through the deflecting body and through the radial gaps in the holding body. Subsequently, the gas stream can be further accelerated, since there is a further flow constriction through the radial gaps against the inside of the ⁇ labscheide emotionss.
  • Opening funnel be introduced in the hollow body, which forms a diffuser.
  • the opening funnel is open in the outflow direction, that is, the opening funnel has a larger inner diameter with increasing distance from the ⁇ labscheide endeavors and can grow up to the inner diameter of the hollow body.
  • the arrangement of the diffuser behind the ⁇ labscheide redesign can lead to a further reduction of the pressure loss of the gas flow in the opening funnel, whereby the flow resistance of the gas stream is further reduced when flowing through the ⁇ labscheide Anlagen.
  • the inlet funnel for accelerating the gas flow can, for example, one-piece pass into the holding body with the radial gaps, wherein the opening funnel on the side of the oil separation body can adjoin this.
  • the smallest diameter of the opening funnel can correspond to the smallest diameter of the funnel-shaped oil separator body.
  • the inlet funnel can protrude at least in the transition into the holding body in the funnel-shaped oil separator body, wherein the deflecting body can be arranged in the region and in particular just before the region of the smallest flow cross-section, which is formed by the transition of the ⁇ labscheide stresses in the opening funnel.
  • the ⁇ labscheide endeavor may be at least partially formed of a nonwoven fabric.
  • Other materials for forming the ⁇ labscheide endeavors may be porous plastics or sintered materials, with material braids of plastic or metal can be advantageously used.
  • the ⁇ labscheide endeavor can be formed of a material that does not scoffed by the introduction of oil and other particles, in particular impurities, and the oil can pass through the material of the ⁇ labscheide endeavors, for example, to leave the ⁇ labscheide endeavor on the downstream side.
  • the oil separation body and in particular the nonwoven fabric may have a gas permeability, which is determined such that the gas flow partially flows through the oil separation body.
  • a gas permeability which is determined such that the gas flow partially flows through the oil separation body.
  • Another part of the gas stream can pass through the material of the ⁇ labscheideSchs, and be continued on the outside of the opening funnel, in particular in the radial gap between the opening funnel and the inside of the hollow body, together with the separated oil.
  • the radial gap formed between the outer side of the opening funnel and the inside of the hollow body thereby allows a guidance of the gas flow in such a way that the oil is separated from the gas flow by the enlarged wall contact in order likewise to achieve a cleaning effect.
  • the oil is in droplet form and can walk along the outside of the opening funnel or on the inside of the hollow body, to finally be fed to a separation opening.
  • the hollow body may be formed by at least a portion of a camshaft of an internal combustion engine or the hollow body is formed component-uniformly with a cylinder head cover of an internal combustion engine.
  • this rotates during operation of the internal combustion engine, so that the deflection of the gas stream is supported radially outward by the rotation of the hollow body.
  • the deflecting body, the holding body, the inlet funnel and the opening funnel and in particular the Olabscheidekorper can co-rotate with the hollow body, so that a swirl is introduced into the gas stream, which promotes ejection of the oil to the outside.
  • a disk-shaped ⁇ labscheidering be upstream of the elongated Olabscheidekorper, wherein according to yet another embodiment of the disc-shaped oil separator ring, a flow guide may be upstream with a downstream growing flow contour.
  • the oil separation device can be two e.g. each identify a nonwoven Olabscheidekorper, which can be flowed through in the flow path of the gas stream in succession.
  • the oil separation ring like the downstream main oil separation body, may be used at a low gas flow, e.g. be applied only superficially, so that the gas stream does not flow completely through the nonwoven fabric.
  • the gas stream passes through the ⁇ labscheidering through a central opening. If the gas flow is stronger, it can flow through the oil separation ring.
  • the oil can be separated from the gas flow in such a way that it drains into the hollow body in droplet form on the inside.
  • the deflecting body does not have to be rotationally symmetrical, and this deflecting body can also be elongated in a transverse direction.
  • the Olabscheidekorper need not be rotationally symmetrical and this may also have a flat, elongated in a transverse direction extension.
  • the deflecting body may have a transverse flow edge as an alternative to a flow peak.
  • the Olabscheidekorper is thus elongated in the direction of the longitudinal axis and in particular funnel-shaped, wherein the funnel shape is executed open against the flow direction of the gas stream.
  • the tubular Olabscheidekorper may, according to yet another variant, in turn be made of a nonwoven material and having a substantially constant outer diameter in a first portion of the hollow body, which has a smaller diameter, so that between the Olabscheidekorper and the inside of the hollow body no or only a very small radial circumferential gap is present.
  • the inside of the hollow body forms a baffle for a gas flow through the Olabscheidekorper and for in this existing oil at least in the flow side front area.
  • the hollow body Downstream, can be designed with a second section with a larger diameter or with at least one lateral widening, so that the inside of the hollow body does not bear against the outside of the oil separation body and forms no baffle surface, whereby in this partial area, a flow through the ⁇ labscheide stresses with the gas stream can be improved.
  • the abovementioned variants of the oil separation device are designed such that the gas flow is deflected only radially outward or partially inwards again, without a swirl or a flow component being introduced into the gas flow which would or would lead around the longitudinal axis of the oil separation device ,
  • the swirl-free guidance of the gas flow through the oil separation device is based in particular on the design of the deflecting body as a rotational body or as a flat body in a transverse direction, which limits the deflection of the gas flow to radial and axial flow components.
  • FIG. 1 shows an embodiment of an oil separation device with the features of the present invention, wherein the gas stream is shown by way of example as a weakly formed gas stream,
  • FIG. 2 shows the exemplary embodiment according to FIG. 1, the gas stream being shown by way of example as a highly developed gas stream, FIG.
  • FIG. 3 shows a further exemplary embodiment of the oil separation device, which has an oil separation ring arranged in front of the oil separation body and a flow guidance body with a flow contour which increases downstream,
  • FIG. 4 shows the embodiment of the oil separation device according to FIG. 3 in a flying view, a plan view of a further embodiment of an oil separation device which is not rotationally symmetrical and has an elongated extension formed in a transverse direction, a partially exploded view of the oil separation device according to the embodiment from FIG 5, a sectional view of the embodiment of the oil separation device according to the section line A - A, as shown in Fig. 5, 8 is a sectional view of the embodiment of the Olabscheide worn according to the section line B - B, as shown in Fig. 5 and
  • FIG 9 shows an exemplary embodiment of an oil separation device with a deflecting body which is arranged on an intermediate element and wherein the hollow body has an expansion in the receiving section of the oil separation body.
  • FIGS 1 and 2 show in a respective sectional view of a Olabscheide worn 1 with the features of the present invention.
  • the Olabborge worn 1 has a hollow body 1 1, which extends along a longitudinal axis 10.
  • the hollow body 1 1 may for example be formed by a portion of a camshaft which forms the hollow body 1 1 as a tubular support shaft.
  • the hollow body 11 may be integrated in a cylinder head cover of an internal combustion engine. In this case, the hollow body 11 is executed according to the embodiment shown about the longitudinal axis 10 rotationally symmetrical.
  • a loaded with oil 12 gas stream 13 can be introduced into the hollow body 11, and on the side of the gas inlet is an inlet funnel 20, which extends to the inside of the hollow body 1 1.
  • the gas stream 13 is thus completely introduced into the inlet funnel 20, whereby the gas stream 13 accelerates in the direction of the longitudinal axis 10.
  • Adjoining the inlet funnel 20 is a holding body 18, and downstream of the holding body 18 there is a deflecting body 15 with a flow tip 16 pointing counter to the flow direction of the gas flow 13, which lies in the longitudinal axis 10.
  • the deflecting body 15 extends rotationally symmetrically about the longitudinal axis 10, and the flow peak 16 is adjoined by a Umlenkkontur 17, which has an increasing diameter downstream, the increase in diameter exemplifies a hyperbolic Umlenkkontur 17 forms.
  • the gas stream 13 accelerated through the inlet funnel 20 strikes the deflection body 15 with the deflection contour 17 and is deflected radially outward.
  • the oil separator 14 is located along the longitudinal axis 10 in such an axial position, so that the deflecting body 15 approximately in the rear Third in the oil separator body 14 is seated.
  • Upstream adjoins the deflecting body 15 of the holding body 18, which is designed with radial gaps 19.
  • the impinging on the deflecting body 15 gas stream 13 is passed through the radially outward deflection by the Umlenkkontur 17 through the radial column 19 of the holding body 18, and by the radial deflection of the gas stream 13, this strikes the inner side 14 a of the Olabscheidekorpers 14, from a nonwoven fabric is formed.
  • An opening funnel 21 connects to the oil separation body 14, which acts as a diffuser and by which the pressure loss is minimized when flowing through the oil separation device 1 with the gas stream 13.
  • FIG. 1 and 2 show a separation of the oil 12 through the ⁇ labscheideAm 14, such that the oil 12 in the radial gap between the outside of the opening hopper 21 and the inside of the hollow body 1 1 is dissipated.
  • the oil 12 is shown by way of example in drop form entrained with the gas stream 13, and the oil 12 may similarly be in the form of oil mist or spray oil.
  • the oil 12 may be present in the gas stream 13 foreign particles in particulate form, which can also be separated by the oil separator 1 from the gas stream 13.
  • FIG. 1 shows a flow through the oil separation device 1 with a gas flow 13 that is less developed and laden with oil 12.
  • the gas flow 13 is accelerated through the inlet funnel 20 and is deflected by the deflection body 15 in such a way that the gas flow 13 passes through the radial gaps 19 in the holding body 18 , Subsequently, the gas flow 13 impinges on the inner side 14 a of the ⁇ labscheideMechs 14, whereby an impactor effect is achieved.
  • FIG. 2 shows the ⁇ labscheide recognized 1 with a stronger gas flow 13, which enters the inlet hopper 20 loaded with oil 12.
  • the gas flow 13 is deflected by the deflecting body 15 through the radial gaps 19 in the holding body 18 against the inner side 14 a of the ⁇ labscheideSchs 14, and through the stronger formation of the gas stream 13 undergoes a portion of the gas stream 13 has an impactor effect and is on the inner side 14 a of the ⁇ labscheide endeavors 14 only deflected, which is accompanied by a deposition of the teardrop-shaped oil 12.
  • Another part of the gas stream 13 flows through the ⁇ labscheide endeavor 14 and occurs together with the oil 12 on the outside 14 b of the ⁇ labscheide endeavors 14 again.
  • the portion of the gas stream 13 flowing through the oil separation body 14 runs downstream between the inner wall of the hollow body 11 and the outer side of the opening funnel 21, whereby a separation of the gas flow 13 'from the oil 12 is also maintained in the outer region of the opening funnel. Subsequently, this purified gas stream 13 'can be recombined outside the opening funnel 21 with the purified gas stream 13' within the opening funnel 21.
  • the oil 12 can be discharged in a manner not shown in detail by separating openings from the hollow body 1 1 and the oil circuit of the engine are fed again.
  • the purified gas stream 13 'can be supplied to the charge air tract of the internal combustion engine.
  • FIG. 3 shows a further exemplary embodiment of an oil separation device 1 which is introduced into a hollow body 11.
  • the ⁇ labscheide beautiful 1 has a flow guide 22, which is flown by a gas stream 13 which is loaded with droplets of oil 12.
  • the flow guide 22 extends rotationally symmetrically about the longitudinal axis 10 of the hollow body 1 1 and is held against the inner side 1 1 a of the hollow body 11 via corresponding retaining ribs 23, of which a retaining rib 23 is shown on the upper side in section.
  • a flow cross-sectional area 24 is formed which, regardless of the holding ribs 23, is formed essentially completely around the flow guide body 22.
  • the gas stream 13 is accelerated into the flow cross-sectional area 24 by the flow guide body 22, and the accelerated gas stream 13 then strikes an oil separation ring 25, which is connected upstream of a subsequent further oil separation body 14.
  • the oil separation ring 25 has a rear side support ring 26, against which the oil separation ring 25 is supported, wherein the oil separation ring 25 is formed of a nonwoven fabric and forms a first separation stage.
  • the impact of the gas stream 13 on the oil separation ring 25 made of nonwoven fabric results in an impactor effect, so that droplets of the oil 12 are already deposited by the impactor effect on the oil separation ring 25.
  • the separated oil 12 can pass through corresponding recesses between the support ring 26 and the inner side 11 a of the hollow body 1 1 on the inner side 11a downstream along to then in a separation opening (not shown) for removing the oil 12 to get out of the hollow body 11.
  • the prepurified gas stream 13 then passes via an intermediate element 27 in operative influence with the deflection body 15, and the gas flow 13 'is deflected by the deflection body 15 against the oil separation body 14.
  • the intermediate element 27 has radial gaps 19, through which the gas flow 13 'reaches the inside of the tubular or sleeve-shaped further oil separation body 14.
  • the deflection of the gas flow 13 'radially outwards takes place through the deflecting body 15, which has a deflecting tip 28 on the front side, and the deflecting tip 28 follows an approximately hyperbolic body shape of the deflecting body 15 which extends rotationally symmetrically about the longitudinal axis 10 and which with the intermediate element 27 is formed in one piece.
  • the further ⁇ labscheide endeavor 14 may also comprise a nonwoven fabric, and the pre-cleaned gas stream 13 may flow only against the inside of the ⁇ labscheide endeavors 14 or even flow through this even with at least a partial gas flow.
  • the separated oil 12 can then be removed via a ⁇ labriosö réelle not shown.
  • FIG 4 shows an exploded view of parts of the oil separator 1 according to the embodiment in Figure 3, wherein the hollow body 1 1 is not shown for clarity.
  • the oil separator 1 is off shown direction of the arrow with the gas flow 13 and with this entrained oil 12 is flowed, so that the first Strömungsleit stresses 22 comes into contact with the gas stream 13 and the droplets of oil 12 shown by way of example.
  • the oil separation ring 25 connects, which is held by a support ring 26 back.
  • the flow guide 22 can be clipped with simultaneous fixation of the oil separation ring 25 on the support ring 20, to which the holding ribs 23 are formed as snap hooks.
  • the support ring 26 is exemplified in one piece with the intermediate member 27, and the intermediate member 27 has extending in the flow direction retaining walls 29, through which the further oil separation 14 can be held against the inner wall of the hollow body not shown in detail.
  • a distance between the radial gaps 19 in the intermediate element 27 and the ⁇ labscheide endeavor 14 is maintained, so that the inside of the ⁇ labscheide endeavors 14 can be flowed through the gas stream 13.
  • the nonwoven fabric of the oil separation body 14 need not necessarily contact the inner wall of the hollow body 11, but a gap between the outer peripheral surface of the nonwoven fabric and the inner peripheral surface of the hollow body 1 may be given to promote drainage of oil droplets.
  • FIG. 5 shows a plan view of a further exemplary embodiment of an oil separation device 1 from the direction of the longitudinal axis 10, wherein the oil separation device 1 is not rotationally symmetrical and has an elongate and therefore flat extension formed in a transverse direction Y. Visible in plan view is also the hollow body 11, which is also flat, into which a further embodiment variant of an intermediate element 27 is inserted, in which radial gaps 19 are introduced, through which the gas flow can flow. On the inside in the intermediate element 27 of the deflecting body 15 is formed, which has no flow peak as shown in Figure 3, but by the elongate-flat design, the deflecting body 15 has a longitudinally transversely Y flow edge 31.
  • FIG. 6 shows a partially exploded view of the oil separation device 1 according to the exemplary embodiment from FIG. 5 with the flat formed hollow body 11, the flat formed oil separation body 14 and the intermediate element 27, introduced into the radial gaps 19, through which the gas flow can pass and the oil separation body 14 of FIG can act on the inside.
  • FIG. 7 shows a cross-sectional view of the oil separation device 1 according to the exemplary embodiment of FIG. 5 in the sectional plane A-A
  • FIG. 8 shows a cross-sectional view of the oil separation device 1 according to the exemplary embodiment from FIG. 5 in the sectional plane B-B.
  • the embodiment of the flat oil separator 1 has a structure and a function as described above in connection with the embodiment of FIGS. 1 and 2.
  • a loaded with oil 12 gas stream 13 can be initiated.
  • the gas stream 13 flows into the intermediate element 27, which is seated in the oil separation body 14 and forms on the front side essentially an inlet funnel 20, as described above in connection with FIGS. 1 and 2.
  • a deflecting body 15 is introduced, through which the gas stream 13 is passed through radial gaps 19 on the inside of the oil separator 14.
  • the Olabscheidelike endeavor 14 is funnel-shaped, and the funnel shape opens against the direction of the gas stream 13 and tapers downstream.
  • the Olabscheide endeavor 14 is located along the longitudinal axis 10 in an axial position in front of the deflecting body 15 so that it is behind the Olabscheide endeavor 14 and upstream of the diverting body 15, the gas stream 13 through this through the radial column 19 at or through the Olabscheidekorper 14 passed.
  • the separation of the oil 12 takes place for a weak and for a strong flow of the gas stream 13 as already described in connection with the figures 1 and 2.
  • FIG. 7 and Figure 8 show that the radial deflection of the gas stream 13 laden with oil 12 takes place even in a non-rotationally symmetric deflecting body 15 in the same manner without twisting as in a rotationally symmetric deflecting body 15, because the gas stream 13 experiences no twist in the flow the oil separation device 1.
  • the flat design of the oil separation device 1 with an extension in a transverse direction Y for example, be adapted to an installation situation of the device.
  • FIG. 9 shows a modified exemplary embodiment with an oil separation device 1, which is constructed from a separately designed inlet funnel 20, into which flows the gas stream 13 laden with oil 12 and to which an intermediate element 27 integrally connects.
  • the intermediate element 27 is designed in the manner of a basket and has radial gaps 19, through which the gas flow 13 flows and flows through the oil separation body 14 on the inside. Depending on the flow velocity, the gas stream 13 can then impinge on or pass through only the inner surface of the oil separation body 14 until the gas stream 13 'cleaned by the oil 12 leaves the oil separation device 1 again.
  • a deflecting body 15 is internally provided in the intermediate element 27, which is flowed by the gas flow 13 from the direction of the longitudinal axis 10 and by the gas flow 13 is deflected radially outwardly to flow through the radial gaps 19.
  • the tubular oil separation body 14 is made of a nonwoven material and is seated with a substantially constant outer diameter in a portion 11 'of the hollow body 1 1, which has a smaller diameter, so that between the ⁇ labscheide endeavor 14 and the inside of the hollow body 1 1 no or only a very small radial circumferential gap is present.
  • the inside of the hollow body 11 forms a baffle surface for a gas flow through the oil separation body 14 13 and for existing in this oil 12th

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
  • Separating Particles In Gases By Inertia (AREA)

Abstract

La présente invention concerne un dispositif séparateur d'huile (1) destiné en particulier à une ventilation de boîte de manivelle d'un moteur à combustion interne, comportant un corps creux (11) s'étendant axialement sur un axe longitudinal (10) et pouvant être traversé par un flux de gaz (13) chargé d'huile (12), un corps de séparation d'huile (14) à passage axial étant monté dans le corps creux (11) et le flux de gaz (13) étant incident sur le corps de séparation. Selon l'invention, dans la zone du passage du corps de séparation d'huile (14), un corps de déviation (15) est monté dans le corps creux (11), peut être exposé au flux de gaz (13) sensiblement dans la direction de l'axe longitudinal (10) et permet de dévier le flux de gaz (13) radialement vers l'extérieur contre le côté intérieur (14a) du corps de séparation d'huile (14).
EP14732088.1A 2013-06-18 2014-06-17 Separateur d'huile pour le dégasage du carter d'un moteur à combustion interne Active EP3011150B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17166276.0A EP3222829A1 (fr) 2013-06-18 2014-06-17 Dispositif de séparation d'huile, en particulier pour un dispositif de recyclage des gaz de carter de vilebrequin d'un moteur à combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013106334.9A DE102013106334A1 (de) 2013-06-18 2013-06-18 Ölabscheideeinrichtung, insbesondere für eine Kurbelgehäuseentlüftung einer Brennkraftmaschine
PCT/EP2014/001645 WO2014202209A1 (fr) 2013-06-18 2014-06-17 Dispositif séparateur d'huile destiné en particulier à une ventilation de boîte de manivelle d'un moteur à combustion interne

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17166276.0A Division-Into EP3222829A1 (fr) 2013-06-18 2014-06-17 Dispositif de séparation d'huile, en particulier pour un dispositif de recyclage des gaz de carter de vilebrequin d'un moteur à combustion interne
EP17166276.0A Division EP3222829A1 (fr) 2013-06-18 2014-06-17 Dispositif de séparation d'huile, en particulier pour un dispositif de recyclage des gaz de carter de vilebrequin d'un moteur à combustion interne

Publications (2)

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EP3011150A1 true EP3011150A1 (fr) 2016-04-27
EP3011150B1 EP3011150B1 (fr) 2019-01-02

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EP14732088.1A Active EP3011150B1 (fr) 2013-06-18 2014-06-17 Separateur d'huile pour le dégasage du carter d'un moteur à combustion interne
EP17166276.0A Withdrawn EP3222829A1 (fr) 2013-06-18 2014-06-17 Dispositif de séparation d'huile, en particulier pour un dispositif de recyclage des gaz de carter de vilebrequin d'un moteur à combustion interne

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EP17166276.0A Withdrawn EP3222829A1 (fr) 2013-06-18 2014-06-17 Dispositif de séparation d'huile, en particulier pour un dispositif de recyclage des gaz de carter de vilebrequin d'un moteur à combustion interne

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US (1) US9957860B2 (fr)
EP (2) EP3011150B1 (fr)
JP (1) JP6404337B2 (fr)
KR (1) KR20160019925A (fr)
CN (2) CN105339613B (fr)
BR (1) BR112015024444A2 (fr)
DE (1) DE102013106334A1 (fr)
MX (1) MX2015017513A (fr)
WO (1) WO2014202209A1 (fr)

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DE102015117013A1 (de) 2015-10-06 2017-04-06 Thyssenkrupp Presta Teccenter Ag Abscheidevorrichtung
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DE102017114646B4 (de) * 2017-06-30 2023-08-03 Thyssenkrupp Ag Förder- und Verdichterelement, Hohlwelle, Verbrennungsmotor und Verfahren zum Reinigen von Blowby-Gasen
DE102017114907A1 (de) * 2017-07-04 2019-01-10 Thyssenkrupp Ag Bauteil, Hohlwelle und Verfahren zur Herstellung einer Hohlwelle
DE102018211300A1 (de) * 2017-07-18 2019-01-24 Mahle International Gmbh Kondensatabscheider
WO2019067255A1 (fr) * 2017-09-29 2019-04-04 Fisher Controls International Llc Dispositif de commande d'écoulement de fluide à piège à particules
WO2020038993A1 (fr) * 2018-08-24 2020-02-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Module compresseur ainsi que compresseur de fluide frigorigène électromotorisé
CN112824655A (zh) * 2019-11-21 2021-05-21 上海欧菲滤清器有限公司 带支撑和控制轴的窜气过滤组件
DE102023109843A1 (de) 2023-04-19 2024-10-24 Thyssenkrupp Ag Verdichter, insbesondere Kältemittelverdichter in Radialkolbenbauweise

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Also Published As

Publication number Publication date
MX2015017513A (es) 2016-04-15
EP3011150B1 (fr) 2019-01-02
JP6404337B2 (ja) 2018-10-10
CN105339613A (zh) 2016-02-17
WO2014202209A1 (fr) 2014-12-24
US20160138446A1 (en) 2016-05-19
JP2016523337A (ja) 2016-08-08
US9957860B2 (en) 2018-05-01
EP3222829A1 (fr) 2017-09-27
CN105339613B (zh) 2018-12-18
CN107762589A (zh) 2018-03-06
DE102013106334A1 (de) 2014-12-18
KR20160019925A (ko) 2016-02-22
BR112015024444A2 (pt) 2017-07-18

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