EP3519103B1 - Tubine et séparareur de liquide équipé d'une telle turbine - Google Patents

Tubine et séparareur de liquide équipé d'une telle turbine Download PDF

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Publication number
EP3519103B1
EP3519103B1 EP17777030.2A EP17777030A EP3519103B1 EP 3519103 B1 EP3519103 B1 EP 3519103B1 EP 17777030 A EP17777030 A EP 17777030A EP 3519103 B1 EP3519103 B1 EP 3519103B1
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EP
European Patent Office
Prior art keywords
turbine
channel
turbine wheel
outlet
metal
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
EP17777030.2A
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German (de)
English (en)
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EP3519103A1 (fr
EP3519103C0 (fr
Inventor
Maximilian BIRK
Francesco Zitarosa
Petr Polednak
Christoph Erdmann
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.)
Grimaldi Development AB
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Grimaldi Development AB
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Publication date
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Publication of EP3519103A1 publication Critical patent/EP3519103A1/fr
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Publication of EP3519103B1 publication Critical patent/EP3519103B1/fr
Publication of EP3519103C0 publication Critical patent/EP3519103C0/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
    • 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 present invention relates to a turbine with a turbine wheel, such as those used as a drive for active oil separators, and to a liquid separator with such a turbine.
  • a separating element is often used which is rotated in order to ensure a sufficient degree of separation of a liquid from a gas, for example oil mist or oil droplets from blow-by gases of an internal combustion engine.
  • Such turbines have a turbine wheel that is driven by a fluid drive means.
  • oil separators in ventilation systems of internal combustion engines especially in vehicles, the oil pressure of the engine oil is often used to drive the turbine wheel.
  • the utility model concerns DE2020 07009913U1 a separator for separating oil mist from the crankcase ventilation gas of an internal combustion engine of a motor vehicle, with a centrifugal rotor arranged in a gas cleaning room.
  • rotors are in EP 1 782 888 A1 disclosed, such as a two-part rotor with recoil nozzles, a drive part, which is a component of the centrifuge, and a replaceable dirt trap part. But a hydraulic drive can also be used for stationary oil separators come.
  • Such a turbine wheel is coupled to a shaft or mounted centrally on a shaft and drives this shaft, which in turn is coupled to a rotatable separating element.
  • active oil separators common in the prior art, in which a turbine wheel is driven by means of oil pressure, the drive fluid is guided via a central bore in the shaft to the turbine wheel and introduced there into the turbine wheel.
  • the turbine wheel has on its edge a nozzle directed approximately in a tangential direction, through which the fluidic drive means is ejected. This causes the turbine wheel to rotate. Speeds of up to 20,000 rpm are typical.
  • turbine wheel is not limited to an approximately circular element, but also includes other forms of rotatable bodies.
  • Such turbine wheels in the prior art are usually made of stainless steel. This makes the turbine wheel heavy and, in particular, complex and expensive to manufacture.
  • the object of the present invention is therefore to provide a turbine wheel and a liquid separator that can be produced cost-effectively, with a stable outer contour and precisely and that are low in weight.
  • the complexity of production should be reduced, the integration potential increased and the assembly of the turbine according to the invention simplified.
  • a liquid separator should be made available which has such a turbine according to the invention.
  • the turbine now has a turbine wheel which has a first channel running along the axis of rotation of the turbine wheel.
  • This first channel can either serve as a central receptacle for a shaft, so that the shaft can be attached to the turbine wheel, or can run as an extension of the receptacle of such a shaft.
  • the turbine can be sprayed onto a shaft, usually at least in sections is made of steel.
  • a bearing for the shaft can also be provided in this area.
  • the turbine wheel according to the invention further has a second channel running essentially in the radial direction for guiding the fluidic drive means, for example engine oil, with an inlet and an outlet for the fluidic drive means.
  • the inlet is in fluid connection with the first channel.
  • the outlet is essentially directed in a tangential direction of the turbine wheel.
  • the exit direction has an angle of 85 to 95° to the direction of the first channel, i.e. has a small vector component in the axial direction of the shaft. This is particularly true at very high speeds.
  • the turbine wheel according to the invention has exactly one second channel, since the entire drive fluid is therefore available to the outlet of this second channel.
  • the turbine according to the invention also has a fluid nozzle in the outlet. Instead of a single fluid nozzle, however, several fluid nozzles can also be arranged next to one another, all of which essentially have the same outlet direction. Regardless of the exact number of nozzles, the result is a fluid flow that is at most symmetrical with respect to a cross section through the central plane of the turbine, but is otherwise asymmetrically designed.
  • a metal and/or ceramic reinforcement is arranged in at least a section of a wall of the first and/or second channel.
  • This turbine according to the invention with the turbine wheel according to the invention shows a simple and cost-effective design. Because only that To manufacture the turbine wheel with its two channels and to integrate the metal reinforcement, the number of individual parts required to manufacture the turbine wheel is very small. Because the turbine wheel can in particular either be shrunk onto the shaft, molded directly onto the shaft or the shaft can be embedded in the turbine wheel, depending on whether the first channel has a metal reinforcement or not, the assembly time is shortened, which also means that the assembly costs are reduced.
  • the inlet of the second channel can, for example, be provided adjacent to the shaft in the passage of the shaft through the turbine wheel, so that the drive fluid is guided via a central bore of the shaft into the passage area and from there via a side bore in the shaft and the inlet according to the invention can be introduced into the turbine wheel.
  • the second channel is preferably curved or angled.
  • the outlet is preferably arranged on the peripheral edge of the turbine wheel.
  • the fluid nozzle arranged in the outlet can be formed in one piece with the second channel, so that the turbine wheel contains the fluid nozzle as an integral component.
  • the fluid nozzle can be inserted into the second channel as a separate component in the area of the outlet, for example screwed in, embedded or injected, and can contain or consist of a metal and/or a ceramic.
  • this fluid nozzle can be inserted into the outlet and secured with a captive device. For example, swords or sliders inserted transversely to the longitudinal direction of the channel can be used as protection against loss.
  • the outlet can be designed conically.
  • the fluid nozzle can be arranged in the outlet in such a way that an exit direction of the fluidic drive means from the fluid nozzle runs essentially perpendicular to the first and/or second channel.
  • the fluid nozzle can contain or consist of a metal, a ceramic or a high-quality plastic.
  • the wall of the first channel and/or the second channel has a complete metal reinforcement.
  • the metal reinforcement forms the inner wall of at least one channel or the nozzle. This enables particularly simple production. In addition, there is less abrasion on a metal interior wall than on a plastic interior wall.
  • the metal reinforcement of the first and/or second channel is designed as a metal tube which is at least partially surrounded, in particular encapsulated, by a plastic.
  • the metal reinforcement in the first channel has a recess in a connection area with the second channel, into which the metal reinforcement for the second channel is inserted and / or in which the metal reinforcement for the second channel is welded, soldered or soldered to the metal reinforcement in the first channel, in particular in a media-tight manner is crimped.
  • the metal reinforcements or the metal pipes for the first and second channels can also be welded, soldered, crimped together in a media-tight manner before the turbine wheel is manufactured or, if necessary, inserted into one another with the aid of O-rings or similar sealing elements. The turbine wheel can then subsequently be sprayed onto the connected metal reinforcements or metal pipes.
  • the metal reinforcements or metal tubes can initially simply be aligned and fixed to one another and then embedded together in the material of the turbine wheel, such as plastic.
  • the first and second channels can extend essentially in a straight line. This is particularly advantageous when producing the turbine wheel using injection molding, injection compression and/or pressing processes.
  • a large number of additional functions can easily be integrated into the turbine wheel according to the invention.
  • This nozzle can be manufactured in one piece with the turbine wheel, in particular injected in one piece.
  • a socket on the top and/or bottom of the turbine wheel which enables the rotating components to be mounted or which accommodates and/or guides the shaft at least in sections. It is particularly advantageous here if a partition wall, in particular a partition wall manufactured integrally with the turbine, is provided between the shaft and the first channel of the turbine, so that no drive oil can reach the shaft. If such a partition is provided, the first channel is then not designed to accommodate the shaft, but rather runs in an extension of the shaft. The drive oil is fed through a line section in the connector to the first channel and further to the second channel.
  • the turbine wheel can be manufactured in lightweight construction.
  • the turbine wheel and/or its housing can be made predominantly or entirely of plastic.
  • Thermoplastics include polyphenylene sulfide (PPS), polyetherimide (PEI), polyimides (PI), polyphthalamides (PPA), polyetheretherketone (PEEK), polyamide (PA), polypropylene (PP), polyamideimide (PAI), polysulfone (PSU) and/or or liquid crystal polymer (LCP) or combinations of the aforementioned materials are particularly advantageous.
  • PPS polyphenylene sulfide
  • PEI polyetherimide
  • PI polyphthalamides
  • PEEK polyetheretherketone
  • PA polyamide
  • PA polypropylene
  • PAI polyamideimide
  • PSU polysulfone
  • LCP liquid crystal polymer
  • Thermoset plastics such as polyester resins (UP), vinyl ester resins (VE), epoxy resins (EP), phenolic resins (PF), melamine-formaldehyde resins (MF) can also be used.
  • UP polyester resins
  • VE vinyl ester resins
  • EP epoxy resins
  • PF phenolic resins
  • MF melamine-formaldehyde resins
  • Such a turbine wheel can be manufactured particularly easily, for example by means of injection molding, injection compression or a pressing process. If the turbine wheel is made from a thermoset material, this can also be done using transfer molding be accomplished.
  • production from metals preferably light metals, for example aluminum, is also possible.
  • sintered material can be processed using 3D printing.
  • the second channel in such a way that it passes from one peripheral edge to the other peripheral edge of the turbine wheel and thus has two opposite openings on the peripheral edge of the turbine wheel.
  • the opening on one side of the channel that is not required for fluid flow can then be closed with a closure means.
  • Suitable closure means include, for example, plugs that can be pressed into the opening and secured with a sword or a slider. It is advantageous if the sword or the slide is inserted from or through the top or bottom of the turbine and is guided at least in sections in a groove laterally and/or in the wall opposite the insertion side.
  • Such a sword or such a slide can also be part of another component adjacent to the turbine or be designed as an integral extension of one.
  • the plug is possible; this can, if necessary, be combined with other welding processes to produce the turbine.
  • a screw cap, a bayonet cap or a ball inserted in a press fit can also be used to close an opening in the channel.
  • This closure should advantageously be fluid-tight so that a closed fluid path is provided from the inlet to the outlet.
  • the closure means can be combined with a suitable sealant, such as an O-ring or a liquid sealant.
  • the turbine wheel is made of plastic, various advantageous configurations of the turbine wheel can be realized.
  • the turbine wheel can be formed from several parts, in particular from two half-shells.
  • the half or partial shells can either be two halves of the turbine wheel over 180° of the peripheral edge of the turbine wheel or the top and bottom of a turbine wheel.
  • the two half-shells do not have to be identical or mirror-inverted to each other.
  • It can also be partial shells that have different weight or volume proportions to the whole Make up the turbine wheel, so it may only be a partial shell, although it is advantageous if only two partial shells are connected to form a turbine wheel.
  • one half-shell is just a flat lid that closes an opening in the other half-shell.
  • a seal for example a molded rubber seal and/or an O-ring, can advantageously be arranged between the individual parts, in particular between the two half-shells of the turbine wheel. This is pressed between the two parts, for example by screwing, welding, clipping, gluing or otherwise connecting the two half-shells together, for example analogous to a bayonet lock.
  • the turbine wheel can also have a housing within which, among other things, the channels (or their walls) and further stiffening structures, for example stiffening webs or stiffening ribs, can be arranged.
  • the housing can be formed in one piece with the turbine wheel. It is also possible to do without the housing and to produce the turbine wheel exclusively from the walls of the channels and, if necessary, such stiffening structures.
  • the outer walls of the channels, the stiffening structures and the housing all serve, among other things, to stiffen the turbine wheel, to adjust the correct weight distribution (balancing the turbine wheel) and, for example, to guide the oil. Housings, stiffening structures and channels or their walls can therefore be designed differently depending on the design in terms of their position, thickness and shape and the like.
  • the design of the stiffening webs or the stiffening ribs can serve the design with regard to noise, vibrations and heat distribution (NVH, i.e. noise vibration harshness optimization).
  • NVH noise vibration harshness optimization
  • a rib structure promotes the agglomeration and drainage of oil, especially spray oil.
  • the housing can also be designed as a half-shell, for example as a base or cover (bottom part and also as an upper part) of the turbine wheel.
  • the housing can advantageously have a smooth and/or closed surface. It is also possible to apply functional components to a surface of the turbine wheel, for example an impeller for generating negative pressure and/or a sealing element.
  • further functional elements such as a magnet
  • a magnet can be embedded in the turbine wheel.
  • the speed of the turbine wheel can be detected.
  • a plain bearing can be cast into the turbine wheel, so that the turbine wheel can be stored together or separately from the shaft in an oil separator with low friction.
  • the use of plastic also makes it possible to spray the turbine wheel directly onto the shaft, for example to spray it onto a steel shaft in a media-tight manner. Additionally or alternatively, sealing using additional sealing elements such as O-rings is possible.
  • FIG. 1 shows a vertical section through a liquid separator according to the invention 1.
  • the liquid separator 1 has a housing 4, which is divided into a drive chamber 7 and a separation chamber 5.
  • Drive chamber 7 and separation chamber 5 are separated from each other by a partition 6.
  • a plate separator 2 is arranged in the separation chamber 5 and has a large number of plates 3 stacked one above the other as separating elements.
  • the plate separator 2 is attached to a shaft 8 in its axis of rotation.
  • the shaft 8 extends through an opening in the partition 6 into the drive chamber 7.
  • the shaft 8 is rotatably mounted on a bearing 9.
  • a turbine 10 is also attached to the shaft 8 in the drive chamber 7.
  • the turbine 10 drives the disc separator 2 using a driving fluid such as engine oil.
  • liquid separator 1 When the liquid separator 1 is operated as an oil separator in an internal combustion engine, engine oil flows as a drive fluid through a central bore 8b inside the shaft 8.
  • the arrow 38 indicates the supply direction of the engine oil.
  • the engine oil enters the turbine 10 from the shaft 8 via a lateral bore 8a in the shaft 8, is guided to the peripheral edge of the turbine 10 due to the rotation of the turbine wheel and is directed approximately in a tangential direction Fluid nozzle 14 is ejected again. This causes the turbine wheel to rotate and thereby drives the plate separator 2, which is firmly connected to the turbine 10 via the shaft 8.
  • FIG. 2 shows a horizontal section through a turbine 10 according to a first exemplary embodiment.
  • the turbine 10 has an approximately rotationally symmetrical turbine wheel 10a, which has a first channel 11 along its central axis for receiving a shaft. From the first channel 11, a second channel 13 leads approximately in the radial direction for guiding the drive fluid to the peripheral edge of the turbine wheel 10a.
  • the second channel 13 has an inlet 13a on the first channel 11 and an outlet 25 on the peripheral edge of the turbine wheel 10a. In the area of the peripheral edge, the second channel 13 has an approximately right-angled bend, so that the outlet is directed approximately in a tangential direction.
  • the turbine has a plastic casing 15 along the peripheral edge and along the walls of the first and second channels 11 and 13.
  • a metal reinforcement 17 is arranged on the channel side, which directly adjoins the plastic casing 15.
  • the plastic casing 15 Inside the entire second channel 13, including the fluid nozzle 14, is on the surface the plastic casing 15 has a metal tube 12 arranged.
  • the metal reinforcement 17 In the area of the inlet 13a of the second channel 13, the metal reinforcement 17 has a recess 11a into which the metal tube 12 is inserted.
  • the metal tube 12 tapers conically and thus forms a fluid nozzle 14, which is thus formed in one piece with the turbine wheel 10a in the turbine wheel 10a.
  • Figures 3A, 3B and 3C show a second exemplary embodiment of a turbine 10 according to the invention.
  • Figure 3A shows a horizontal section through the turbine 10.
  • the second channel 13 has two approximately diametrically arranged openings 24 and 25 on the peripheral edge 16, pointing in different directions.
  • the second opening 24 results from the manufacturing process, since the second channel 13 has been formed by a channel forming tool that has been pulled out again through the second opening 24 after the turbine wheel 10a has been formed.
  • the second opening 24 is closed with a stopper 21 as a closure element with a seal 22 and a slide 23 as a securing element for the stopper 21, which secures the stopper 21 against being pushed out.
  • the slide 23 engages through the upper wall of the channel 13 into a small slot-like widening of the second channel 13.
  • the closure element 21 closes the second channel 13 at the second opening 24 in a fluid-tight manner.
  • the outlet 25 of the second channel 13 is arranged as the first opening, angled approximately in a tangential direction.
  • a metallic threaded component 18 with a fluid nozzle 14 is screwed into the turbine wheel 10a in the outlet 25.
  • the external thread 19 of the fluid nozzle 14 is formed into the metal of the threaded component 18.
  • the internal thread 20 can be formed directly into the plastic casing 15 or can be formed when the external thread 19 of the fluid nozzle 14 is screwed in.
  • Centering and fastening devices 50 for fastening an impeller 49 are arranged on the top of the turbine.
  • FIG 3B shows a view of the turbine 10 Figure 3A along line AA.
  • An impeller 49 is arranged on the top of the turbine, for example to generate a negative pressure and/or as an element of the sealing system.
  • the slide 23 is here formed in one piece with the impeller 49.
  • the impeller 49 is attached to the centering and fastening devices 50.
  • a connector 40 is arranged in the middle on the top of the turbine 10, which is provided for guiding and simplifying the reception of the shaft.
  • Figure 3C shows a view from an underside of the turbine of the second exemplary embodiment.
  • the turbine wheel 10a has longitudinal and transverse ribs 35 arranged in a grid-like manner and a rib 34 along the peripheral edge 16 for stiffening and reinforcing the turbine wheel 10a.
  • an irregular arrangement is also possible.
  • the turbine can be properly balanced by a certain irregular arrangement of ribs.
  • the ribs 34 and 35 can also be used to drain oil or reduce noise.
  • Figures 4A and 4B shows a third embodiment of a turbine 10 according to the invention in a horizontal sectional view (4A) and a vertical sectional view (4B).
  • the horizontal sectional view runs approximately halfway up the second channel 13.
  • the second channel 13 only runs radially from the first channel 11 predominantly in a straight line to the peripheral edge 16.
  • the outlet 25 is angled perpendicularly, that is to say in a tangential direction, from the remaining part of the second channel 13.
  • a metallic fluid nozzle 18 is also screwed into the outlet 25, with the counter thread 20 being formed directly into the plastic casing 15.
  • the area between the wall 16a on the peripheral edge 16 and the wall of the channels 11, 13 is predominantly designed as a cavity; the representation of stiffening ribs, which are necessary for balancing the weight of the turbine wheel 10a, has been omitted.
  • Wave 8 is not enough here as in Figure 1 through the turbine 10, but ends in a nozzle 40 on the top of the turbine wheel 10a.
  • the shaft 8 is thus separated from the first channel 11 by a partition 41.
  • the turbine 10 is mounted via a connector 42 projecting on the underside.
  • the oil enters the first channel 11 through an opening 11a on the underside of the turbine wheel 10a, which is arranged centrally to the connector 42.
  • FIGS 5A and 5B show a fourth embodiment of a turbine 10 according to the invention in a horizontal (5A) and a vertical sectional view (5B).
  • the turbine 10 is divided horizontally into an upper shell 26 and a lower shell 27.
  • a sealing element 28 is arranged between the shells along the peripheral edge 16 and along the walls of the first and second channels 11 and 13.
  • a cavity 37 is arranged inside the turbine wheel 10a. This cavity serves to reduce the overall weight of the turbine 10 and/or to balance the turbine 10. Stiffening ribs, which provide the precise balancing, are not shown here.
  • Figures 6A and 6B show a fifth exemplary embodiment of a turbine 10 according to the invention.
  • Figure 6A shows a horizontal section through the turbine 10.
  • the second channel 13 runs in a straight line radially from the first channel 11 to the peripheral edge 16, where the outlet 25 is angled in a tangential direction perpendicular to the remaining part of the second channel 13.
  • the first and second channels 11 and 13 have metal reinforcements 12 and 17, the metal reinforcement 12 of the second channel 13 being a metal tube which is inserted into an opening and recess 11a of the metal reinforcement 17 in the area of the inlet 13a.
  • a fluid nozzle 14 is screwed into the outlet 25.
  • the counter thread 29 for the fluid nozzle is not formed into the plastic casing 15, but into the metal tube 12.
  • Figure 6B shows a vertical section through the turbine 10 along the line CC.
  • the turbine of the fifth exemplary embodiment is also divided into an upper shell 26 and a lower shell 27.
  • the two shells 26, 27 can be connected by means of a snap lock.
  • the latching closure has latching lugs 30 arranged on the lower shell 27 and engagements 31 arranged on the upper shell 26, behind which the latching lugs 30 engage when the lower shell 27 and the upper shell 26 are assembled.
  • Figure 7 shows a sixth embodiment of a turbine 10 according to the invention in a horizontal sectional view.
  • the turbine wheel 10a is not rotationally symmetrical about the axis of rotation 39, but only has a second channel 13 on one half side of the turbine 10, which is designed as in the fifth exemplary embodiment.
  • the turbine wheel 10a On the half side of the turbine 10 opposite the second channel 13, the turbine wheel 10a only has a compensating body 36 as a counterweight to the second channel 13 or to adjust the unbalance.
  • the first channel 11 is also designed as in the fifth exemplary embodiment.
  • Figures 8A and 8B show a seventh embodiment of a turbine 10 according to the invention in a horizontal sectional view (8A) and a vertical sectional view (8B).
  • the turbine wheel 10a is, as in the sixth exemplary embodiment, not designed to be rotationally symmetrical with respect to the axis of rotation 39.
  • the turbine wheel 10a On the half side of the turbine opposite the second channel 13, the turbine wheel 10a only has compensating body 36, the compensating body 36 being cut here so that the cavity present in it can be seen.
  • the compensation body is 36 in Figures 8A and 8B in terms of its external dimensions smaller than that in Figure 7 , since here the half side, which includes the second channel 13, has a lower weight and therefore a smaller balancing weight is necessary on the opposite side to adjust the unbalance.
  • the second channel 13 is designed here as in the second exemplary embodiment, ie only with a plastic casing 15, but without metal reinforcement.
  • the fluid nozzle is here formed in a ceramic element 18 which is screwed into the plastic body of
  • the shaft 8 is here injected directly into the plastic body 15 or encapsulated by the plastic body 15 and thus received in the first channel 11.
  • the shaft 8 has two annularly circumferential grooves 45a, 45b on its outer surface in the area of the turbine wheel 10a, in each of which an O-ring 44a, 44b is accommodated.
  • the grooves 45a, 45b were not only filled, but also pressed onto the O-rings, so that there is a tight connection between the turbine wheel 10a and the shaft.
  • the center bore 8b of the shaft is also shown here, through which the engine oil is introduced in direction 38. The engine oil enters the second channel 13 via the opening 8a in the side wall of the shaft.
  • Fig. 9 shows an eighth embodiment of a turbine 10 according to the invention in an axial top view.
  • the outer contour of the turbine 10 in this exemplary embodiment differs from the outer contour of the exemplary embodiments Figures 2 to 6 away. While in the previous exemplary embodiments, apart from the recess at the outlet of the nozzle 14, an essentially circular external geometry was chosen, here a spiral-shaped external geometry is now used, ie the outer circumferential line of the turbine 10 runs spirally inwards. This also results in an off-center arrangement of the shaft 8 or the first channel 11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Hydraulic Turbines (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Claims (13)

  1. Turbine (10) comprenant une roue de turbine (10a), dans laquelle la roue de turbine (10a) présentant un premier canal (11) s'étendant le long d'un axe de rotation (39) de la roue de turbine (10a) et un deuxième canal (13) s'étendant sensiblement dans une direction radiale, pour guider le milieu d'entraînement fluidique, comportant une entrée (13a) et une sortie (25) pour le milieu d'entraînement fluidique, l'entrée (13a) étant en connexion fluidique avec le premier canal (11) et la sortie (25) est dirigée sensiblement dans une direction tangentielle à la roue de turbine (10a), dans lequel la turbine (10) présente une buse de fluide (14) dans la sortie (25), caractérisé en ce qu'un renfort métallique et/ou céramique est disposé dans au moins une section d'une paroi du premier et/ou du deuxième canal, et la totalité de la paroi du premier canal (11) et/ou du deuxième canal (13) présente un renfort métallique (12, 17) et le renfort métallique (17) dans le premier canal (11) présente un évidement (11a) dans une zone de liaison avec le deuxième canal (13) dans laquelle est inséré le renfort métallique (12) du deuxième canal (13) et/ou dans laquelle le renfort métallique (12) du deuxième canal (13) est soudé, brasé ou serti au renfort métallique (17) dans le premier canal.
  2. Turbine (10) selon l'une des revendications précédentes, dans laquelle la buse fluide (14) est formée d'une seule pièce avec le deuxième canal (13).
  3. Turbine (10) selon l'une des revendications 1 ou 2, dans laquelle la buse de fluide (14) est insérée en tant que composant distinct au niveau de la sortie (25) dans le deuxième canal (13) et contient ou est constituée de un métal et/ou une céramique.
  4. Turbine (10) selon l'une des revendications précédentes, dans laquelle le premier canal (11) est conçu pour recevoir un arbre (8) ou comme prolongement du réceptacle pour un arbre.
  5. Turbine (10) selon l'une des revendications précédentes, dans laquelle le renfort métallique (12, 17) forme une paroi interne du premier canal (11) et/ou du deuxième canal (13) et/ou de la buse fluide (14).
  6. Turbine (10) selon l'une des revendications précédentes, dans laquelle le premier canal (11) et le deuxième canal (13) à l'exception de la sortie (25) s'étendent chacun sensiblement de manière rectiligne.
  7. Turbine (10) selon l'une des revendications précédentes, dans laquelle la roue de turbine (10a) est formée de deux demi-coquilles (26, 27) qui sont réunies selon un plan transversal à l'axe de rotation (39) de la roue de turbine (10a) ou transversalement à la direction de la sortie (25).
  8. Turbine (10) selon l'une des revendications précédentes, dans laquelle d'autres composants fonctionnels, par exemple une roue (49) ou un élément d'étanchéité, sont disposés sur une face supérieure de la roue de turbine (10).
  9. Turbine (10) selon l'une des revendications précédentes, dans laquelle des âmes de renfort et/ou des nervures de rigidification (35) sont disposées à l'extérieur des canaux (11, 13).
  10. Turbine (10) selon l'une des revendications précédentes, dans laquelle la roue de turbine (10a) présente un carter, dans lequel des structures de renfort, par exemple des âmes de renfort et/ou des nervures de rigidification (34, 35), sont éventuellement disposées à l'intérieur du carter.
  11. Turbine (10) selon l'une des revendications précédentes, dans laquelle la roue de turbine (10a), notamment une surface supérieure et/ou inférieure de la roue de turbine, et/ou son carter sont réalisés en ou contiennent du plastique, notamment en plastique renforcé de fibres ou rempli de charges.
  12. Turbine (10) selon la revendication précédente, dans laquelle le renfort métallique et/ou céramique (12, 17, 18) est noyé dans la roue de turbine (10a).
  13. Séparateur de liquide (1) pour séparer des gouttelettes de liquide et/ou un brouillard de liquide, en particulier des gouttelettes d'huile et/ou un brouillard d'huile, d'un gaz, en particulier des gaz de soufflage d'un moteur à combustion interne, comprenant un élément de séparation monté rotatif (2) et un élément d'entraînement pour entraîner en rotation l'élément de séparation, caractérisé en ce que l'élément d'entraînement comprend une turbine (10) selon l'une des revendications précédentes.
EP17777030.2A 2016-09-28 2017-09-28 Tubine et séparareur de liquide équipé d'une telle turbine Active EP3519103B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202016105409.5U DE202016105409U1 (de) 2016-09-28 2016-09-28 Turbine und Flüssigkeitsabscheider mit einer derartigen Turbine
PCT/EP2017/074584 WO2018060306A1 (fr) 2016-09-28 2017-09-28 Tubine et séparareur de liquide équipé d'une telle turbine

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EP3519103A1 EP3519103A1 (fr) 2019-08-07
EP3519103B1 true EP3519103B1 (fr) 2023-12-13
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EP (1) EP3519103B1 (fr)
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WO (1) WO2018060306A1 (fr)

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GB201519346D0 (en) * 2015-11-02 2015-12-16 Pacy Teresa J H Separator
DE202017107733U1 (de) * 2017-12-19 2019-03-21 Reinz-Dichtungs-Gmbh Abscheidevorrichtung
DE202018103711U1 (de) * 2018-06-29 2019-10-01 Reinz-Dichtungs-Gmbh Abscheider
DE102021116944A1 (de) 2021-07-01 2023-01-05 Hengst Se Störungsarmer rotierender Abscheider mit hoher Kompatibilität für den Einsatz in Brennstoffzellensystemen
US11904328B2 (en) * 2021-08-30 2024-02-20 Spinesmith Partners, L.P. Induction powered vortex fluid separator

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Publication number Publication date
EP3519103A1 (fr) 2019-08-07
US20190224690A1 (en) 2019-07-25
US11660610B2 (en) 2023-05-30
EP3519103C0 (fr) 2023-12-13
DE202016105409U1 (de) 2018-01-02
WO2018060306A1 (fr) 2018-04-05

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