WO2017194237A1 - Turbine für einen abgasturbolader mit zweiflutigem turbinengehäuse und einer ventil-anordnung mit verbesserter abströmung - Google Patents
Turbine für einen abgasturbolader mit zweiflutigem turbinengehäuse und einer ventil-anordnung mit verbesserter abströmung Download PDFInfo
- Publication number
- WO2017194237A1 WO2017194237A1 PCT/EP2017/056874 EP2017056874W WO2017194237A1 WO 2017194237 A1 WO2017194237 A1 WO 2017194237A1 EP 2017056874 W EP2017056874 W EP 2017056874W WO 2017194237 A1 WO2017194237 A1 WO 2017194237A1
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- WO
- WIPO (PCT)
- Prior art keywords
- valve
- exhaust gas
- turbine
- opening
- partition wall
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
- F02B37/186—Arrangements of actuators or linkage for bypass valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/105—Final actuators by passing part of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
- F01D25/162—Bearing supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/02—Gas passages between engine outlet and pump drive, e.g. reservoirs
- F02B37/025—Multiple scrolls or multiple gas passages guiding the gas to the pump drive
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/18—Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
- F02B37/183—Arrangements of bypass valves or actuators therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the invention relates to a turbine for an exhaust gas turbocharger with twin-flow turbine housing and a valve arrangement with improved outflow.
- An internal combustion engine 1 which is charged by an exhaust gas turbocharger 2, is characterized by the arrangement of the guidance of fresh air and exhaust gases shown in FIG.
- the exhaust gas from the engine 1 Burn ⁇ voltage across the turbine 3, which drives the compressor 4 in the intake tract upstream of the inlet of the engine 1 via a common shaft 5 flows.
- By compressing the intake air more fuel per cylinder stroke can be added and the torque of the engine 1 is increased.
- FIG. 1 For reasons of clarity, some elements of the air duct are not shown in FIG. These are, for example, an air filter arranged in front of the compressor, an air flow meter arranged in front of the compressor, an intercooler arranged behind the compressor, a tank, a crankcase vent arranged behind the throttle valve and a catalytic converter arranged behind the turbine. On a representation of an optionally existing exhaust gas recirculation or secondary air injection was also omitted.
- the throttle valve 8 In boosted operation, the throttle valve 8 is fully open.
- the regulation of the charge can be effected, for example, by blowing off part of the exhaust gas mass flow through a wastegate system 7.
- Displacement air system 6 is arranged over the excess, compressed intake air can be blown off and returned to the intake ⁇ .
- FIG. 2 shows a possible embodiment of an exhaust gas turbocharger 2 according to the prior art.
- This representation contains a section in the area of the Wastegate system.
- Said wastegate system 7 is arranged in the turbine housing 9.
- the wastegate system 7 is actuated via a wastegate actuator 10, which is attached to the compressor housing 11 using a holder. Between the
- Turbine housing 9 and the compressor housing 11 is a bearing assembly 12, in which the common rotor shaft of turbine and compressor wheel is housed.
- 3 shows the wastegate system 7 in a plan view and in a sectional view of the side view. Shown is the wastegate opening 13 in the turbine housing 9, which can be released or closed via a flap plate 14. If necessary, a part of the exhaust gas mass flow can be routed past the turbine impeller.
- the opening or closing operation of the flap plate 14 via a linear movement of a control rod 15 which is driven by a controlled pneumatic or electric Wastegate Actuator 10. This linear movement is transmitted via a connecting plate 16 to an outer wastegate lever 17.
- Wastegatespindel 19 transmits the rotational movement by means of the pivot arm 19a on the valve plate 14. Due to the linear guided control rod 15 is additionally a compensating joint 20 in the kinematics required to ensure a Schränkungsaus GmbH.
- exhaust gas turbochargers with single-turbine housing, which has only one arranged in a helical form around the turbine runner 9c exhaust gas supply passage, a so-called exhaust gas.
- Corresponding exhaust gas turbines are also referred to as monoscroll turbines.
- This technology has the disadvantage that the charge changes, ie the exchange of exhaust gas and fuel-gas mixture, the one Individual cylinders of the internal combustion engine during operation by the pulsating exhaust gas back pressure negatively influence each other. This adversely affects the filling of the cylinders of the engine with the fuel-gas mixture, which in turn deteriorates its consumption, response and performance.
- segmented scroll turbine housings 9a and twin-scroll turbine housings 9b as illustrated in FIG. Both turbines contain a partition wall 21, which is provided between the two exhaust gas flows 22, 23.
- the partition wall 21 is arranged so that the turbine runner 9c is acted upon by both exhaust gas flows 22, 23 to 180 ° over the full wheel entry width.
- the dividing wall 21 is arranged in the radial direction to the turbine wheel, as a result of which this exhaust gas flows 22, 23 to 360 ° on a proportion, for. B. each 50% of the Radeintrittsumble is applied.
- an exhaust manifold 24 is used in both types of turbines, in which case two cylinders are combined in four-cylinder engines and three cylinders in each case for six-cylinder engines. Each strand is in turn connected to an exhaust gas flow of the twin-bladed turbine housing. This ensures that the exhaust pulses of the individual cylinders influence as little as possible negatively.
- FIG. 5 illustrates the exhaust manifold of a four-cylinder engine, in which two exhaust pipes of the respective cylinders are combined to form one strand.
- the exhaust pipes 26 and 29 of the first and the fourth cylinder are combined into one strand.
- the off ⁇ gas lines 27 and 28 of the second and the third cylinder to summarized in one strand.
- the arrows are intended to illustrate the respective separate exhaust gas mass flows 25.
- a boost pressure control in exhaust gas turbochargers with double-flow turbine housings takes place, as in monoscroll turbines, by blowing off excess exhaust gases via a wastegate system.
- a switchable, controllable or controllable flood connection between the separate exhaust gas flows has proven to be advantageous.
- this is a valve arrangement which, if required, allows overflow of exhaust gas between the exhaust gas floods.
- the use of a second valve adversely affects the cost and space of the exhaust gas turbocharger.
- FIG. 7 A possible embodiment of such a wastegate system 7 for a twin-flow turbine housing 9 is shown in FIG. For this, the two exhaust gas flows 22, 23 of the turbine housing 9 and the two wastegate outlets 30, 32 and the outlet funnel 31 can be seen.
- Both the exhaust gas flows 22, 23 and the wastegate outlets 30, 32 are separated from each other by a partition 21.
- both exhaust gas flows 22, 23 are actuated via a common flap plate 14, wherein at an opening of the two Wastegat outlets 30, 32 and the two exhaust gas flows 22 and 23 are fluidly connected via the outlet funnel 31 at the same time.
- a pivot arm 19a is provided, which is rotationally actuated via the wastegate spindle 19.
- Such a valve assembly may also be referred to as a swing arm flapper valve.
- the main function of this embodiment is a regulation of Wastegate mass flow of both exhaust gas flows with a valve arrangement.
- DE 10 2013 002 894 A1 discloses a turbine for an exhaust gas turbocharger which has a turbine housing in which two floods through which exhaust gas can flow are provided, and which also has a bypass channel. Furthermore, a valve is provided, which blocks both the flood connection and the bypass channel in the closed state and in the opened state opens both the flood connection and the bypass channel.
- This valve is designed as a swing ⁇ arm-flap valve and rotatably movable. It has a swivel arm pivotable about a pivot point, at the end region of which a flap plate is fastened, which is widened by a spherical-segment-shaped valve body.
- valve body 36 When using such a rotatably pivotable swivel arm flap valve, which also acts as a valve element for actuating the wastegate valve and the flood connection, there is a limited degree of freedom in the design of the valve body. This will be explained with reference to FIGS. 7 and 8, in which the movement of a valve body 36 is illustrated. From these figures it can be seen that the movement of the valve body 36 is limited by a circle shown in dashed lines. Consequently, the outer contour of the valve body 36 must be selected such that the valve body 36 does not exceed the circumference of the circle when it moves. This has the disadvantage, for example, that the shape of the valve body 36 can not be chosen freely and, for example, can not be cylindrical.
- an exhaust gas turbine for an exhaust gas turbocharger which has a turbine housing, which has two exhaust gas flows through exhaust gas and a bypass.
- a translational, ie linear adjustable along an axis valve arrangement is provided, which can also be referred to as a linear valve.
- the illustrated linear valve valve element as a shaft, a cup-shaped lid and a flap plate.
- the exhaust gas flows are fluidly separated from each other and the bypass is closed.
- the Ab ⁇ gas flows are fluidly interconnected and the bypass is closed.
- the exhaust gas flows are fluidly interconnected and the bypass is open at the same time.
- the respective valve element, flap plate, swivel arm, etc. are in the region of the outlet funnel in the exhaust gas exhaust gas flow. This leads to the obstruction and turbulence of the exhaust gas mass flow, which in turn can take negative influence on the flow of an exhaust gas catalyst downstream of the exhaust gas turbine, which in particular precludes a rapid and uniform heating of the catalyst.
- the object of the invention is therefore to provide a turbine for an exhaust gas turbocharger with a twin-bladed turbine housing and designed as a linear valve valve arrangement whose Abgasabströmung is improved. This object is achieved by a turbine having the features set out in claim 1.
- a turbine for an exhaust gas turbocharger comprising a turbine housing, which has two exhaust gas flows through which an exhaust gas can flow, between which a partition wall is provided, and which have a common wastegate opening.
- the turbine housing is equipped with a linear valve which has a valve element for opening and closing the wastegate opening and an adjustment shaft with a shaft longitudinal axis for actuating the valve element.
- the turbine is characterized in that the Adjustment of the linear valve is guided in the direction of a partition plane spanned by the partition wall through the partition wall and is movably arranged in the direction of its longitudinal axis shaft in the partition wall, wherein the valve element is arranged in a partition wall recess between the exhaust gas flows and from the region of the exhaust gas, in the direction of the wastegate opening, is guided against a valve seat, which is formed on the exhaust gas floods facing the inside of the wastegate opening.
- valve element is in the closed state of the linear valve sealingly on the valve seat and thus closes the wastegate opening.
- partition-off ⁇ saving in which the valve member is disposed, filled in by the valve element so that an overflow of the exhaust gas is prevented from an exhaust Flute by the partition wall recess to the other exhaust Flute.
- Wastegate opening flowing hot exhaust gas mass flow directly in the exhaust gas mass flow downstream of the turbine housing arranged exhaust gas catalyst i. flows without prior deflection, and without obstacles, so that the catalytic converter can be brought to its operating temperature faster and can be kept longer or better at its operating temperature.
- FIG. 9 shows a detail of the turbine housing in a sectional illustration for illustrating a first exemplary embodiment of a turbine according to the invention, the linear valve being in the closed state
- FIG. 10 shows a detail of the turbine housing in a sectional view as in FIG. 9, the linear valve being in the partially opened state
- Figure 12 shows a further section of the turbine housing in
- FIG. 13 shows perspective views of alternative embodiments of valve elements of the linear valve which can be used in connection with the invention.
- Function and naming components are denoted by the same reference numerals throughout the figures.
- the items shown below are intended as examples of under ⁇ stanliche versions or embodiments of the invention and are not intended to exclude other alternative configurations as defined by the claims.
- FIGS. 9, 10 and 11 each show a section of the turbine housing in a sectional illustration to illustrate a first exemplary embodiment of a turbine according to the invention, wherein the linear valve in FIG. 9 is in the closed state, in the partially opened state in FIG. 10 and in the fully opened state in FIG located.
- two exhaust gas flows 22, 23 through which an exhaust gas can flow are provided in the turbine housing 9. Between these two exhaust gas flows 22, 23 there is a partition 21. Furthermore, the two exhaust gas flows 22, 23 have a common wastegate opening 13 and an outlet funnel 31 adjoining thereto. Further, when shown Embodiment, a linear valve for opening and closing the wastegate opening 13 and at the same time for opening and closing a flood connection by means of a flood connection window 21b and thus provided a flood connection cross-section.
- the linear valve has a valve element 35 and a Ver ⁇ society 33 with a shaft longitudinal axis 33 a.
- the Ven ⁇ tilelement 35 is in a partition wall recess 21a of the partition 21 between the exhaust gas flow passages 22, 23 are arranged, and has a valve plate 34, a fixedly connected to the valve plate 34 or integrally formed flood valve spool 36, and a valve body 39 on.
- valve element 35 is guided out of the region of the exhaust gas flows 22, 23 in the direction of the wastegate opening 13, against a valve seat 13 a, which is formed on the inside of the wastegate opening 13 facing the exhaust gas flows 22, 23.
- the valve plate 34 With the valve plate 34, the valve element 35 is located in the ge ⁇ closed state of the linear valve sealingly to the Ven ⁇ tilsitz 13a, a valve body 39 is arranged on the side remote from the Verstellschaft 33 outside of the valve disc 34, which protrudes into the waste gate opening 13 into and depending on the design even, as shown here, through the Wastega ⁇ te opening 13 protrudes.
- the valve body 39 has at least in a partial region on a conical, cylindrical, hemispherical or para belförmige outer geometry, an opening cross section of the wastegate opening is determined by the 13 during opening of the Li ⁇ near valve.
- the valve body over a first part region has a cylindrical and subsequently a conical Au ⁇ Hzgeometrie.
- the valve plate 34 is lifted from the valve seat 13a and an annular gap between the inner edge of the wastegate opening 13 during the progressive opening of the linear valve, ie when moving the valve element 35 in the drawing to the right, in the region of the exhaust gas flows 22, 23 inside and released to the cylindrical portion of the valve body 39, as can be seen in Figure 10.
- the flood valve slide 36 is provided between the valve plate 34 and the adjustment shaft 33.
- the adjustment shaft 33 and also the flood valve slide 36 are guided by the partition wall 21 of the turbine housing 9 provided between the exhaust gas flows 22, 23 and movable within this partition wall 21 in the longitudinal direction of the adjustment shaft 33, ie in the direction of the shaft longitudinal axis 33a is illustrated by the arrow in Figure 9.
- the valve disk 34 is also moved in the longitudinal direction of the adjustment shaft 33.
- the linear valve 35 can be brought from a closed position to an open position, and vice versa.
- the adjustment shaft 33, together with the flood valve slide 36, the valve plate 34 and the closing body 39 form a one-piece component.
- the flood valve spool 36 is in a corresponding slide recess in the partition wall 21 in the direction of
- the dividing wall 21 has a flood connection window 21b formed as a breakthrough through the dividing wall, which is arranged in the dividing wall 21 such that it is in the closed state of the linear valve, as in FIG Figure 9 shown, is closed by the flood valve slide 36.
- the flood connection tion window 21b is preferably rectangular in shape, but may also be round, oval, triangular or in any other suitable form.
- a valve window 40 designed as a breakthrough by the flood valve spool 36, is provided in the flood valve spool 36.
- This valve window 40 is arranged to progressively release the flood communication window 21b provided in the partition 21 as the linear valve is opened, to the maximum coverage of the flood communication window 21b and the valve window 40, as shown in Figs. In this way, by opening a
- the valve window 40 is also preferably rectangular in shape, but may also be round, oval, triangular or other useful form, so that by cooperation of the geometry of flood communication window 21b and valve window 40 a certain opening characteristic of the flood connection ⁇ cross-section over the valve lift of the valve element 35 can be achieved.
- the advantage of this embodiment is that when opening the linear valve, via the valve lift of the valve element 35, first a defined by the valve body 39 cross section of the wastegate opening 13 is released and at the same time a defined flood connection cross section is released.
- valve seat 13a of the turbine housing 9 is located directly in the material of the wastegate housing 9 on the exhaust gas flows 22, 23 facing inside of the wastegate opening 13 formed integrally with the turbine housing.
- FIGS. 9 to 11 has the feature that the linear valve and the dividing wall 21 arranged in the region of the linear valve, in particular with dividing wall recess 21a, slide recess and flood connection window 21b, between the exhaust gas flows 22, 23, components a separate, in the turbine housing (9) used valve assembly 43 are.
- the valve assembly 43 is inserted into the turbine housing 9 and connected thereto by, for example, screw connection 44 (as shown here), weld connection, press connection, caulking connection or rivet connection.
- the partition wall 21 can be processed in the region of the linear valve advantageously separated from the rest of the turbine housing 9 and equipped with partition wall recess 21b and sliding over ⁇ recess.
- the valve element 39 consisting of the valve body 39, valve plate 34, flood valve slide 36 and adjustment shaft 33, for example formed in one piece, can furthermore advantageously be provided outside the turbine housing 9 in the partition wall 21 of the valve assembly 43 Hole or the partition wall recess 21b and the slide recess are used.
- the valve assembly 43 thus formed is then inserted in a simple manner, in the figures 9 to 11 from right to left, in the turbine housing 9 and screwed by means of screw ⁇ connections 44 with the turbine housing 9.
- FIG. 10 shows the first exemplary embodiment shown in FIG. 9, wherein in FIG. 10 the linear valve is in the partially opened state.
- the valve plate 34 of the valve element 35 has detached from its valve seat 13a, so that between the radial outer jacket of the valve body 39 and the inner edge of the wastegate opening 13 of the turbine housing 9, a narrow annular gap is opened, through which the gas flows 22 and 23, an exhaust gas mass flow 25 can flow into the outlet hopper 31.
- This exhaust gas flows-as illustrated by the dashed arrows-at ⁇ almost at least almost in the direction of the elongated shaft longitudinal axis 33a of the adjustment 33 from said annular gap, so that in the exhaust duct downstream of the turbine housing arranged exhaust gas catalyst of this exhaust gas mass flow, in Advantageously, is directly flowed.
- the exhaust gas catalyst comes through this direct, almost laminar flow by means of the hot exhaust gas comparatively quickly to its operating temperature and thus can perform its function better than in the case of a flow by means of a redirected, turbulent exhaust gas mass flow. From the figure, 10 is further seen that the flooding ⁇ connection window 21b and the valve window 40 overlap partially in this partially opened condition of the linear valve, so that the connection between the two exhaust gas flows 22 and 23 is partially opened.
- FIG. 11 likewise shows the first exemplary embodiment, wherein in FIG. 11 the linear valve is in the fully opened state.
- the valve plate 34 and the valve body 39 are completely in the partition recess 21 a in the direction of
- a broader exhaust gas mass flow 25 can be conducted through the outlet funnel 31 directly towards the downstream catalytic converter (not shown). This is again directly flowed through the exhaust gas mass flow and can therefore be kept longer at its loading ⁇ operating temperature, so that its functionality is ensured over a longer period.
- FIG 12 shows another exemplary embodiment of the invention ⁇ , wherein the linear valve is in the partially open state.
- This embodiment differs from the embodiment shown in Figures 9 to 11 in that the valve body 39 is cylindrical over its entire axial extent that the valve seat 13 a, which is arranged on the inside of the wastegate opening 13, through one in the wastegate Opening 13 mounted, separate valve seat ring 42 is formed. This valve seat ring 42 is pressed into the turbine housing 9 in the region of the wastegate opening 13.
- the linear valve and the partition wall 21 are not combined in this area to form a separate valve assembly, but realized in one piece with the turbine housing 9.
- valve member 35 When installing the valve element 35 of the linear valve in the turbine housing 9, the valve member 35 is set in the figure 12 from left to right in the turbine housing 9 mono- here initially, wherein the Verstellschaft 33 and the venting valve ⁇ slide 36 through or into the corresponding slide From ⁇ recess and the bore in the partition wall 21 are guided and wherein the separate valve seat ring 42 is not yet pressed into the turbine housing 9, so that the valve plate 34 can be positioned in the region of the exhaust gas flows 22 and 23. Only then is the separate valve seat ring 42 pressed in from the direction of the outlet funnel 31 into the wastegate opening 13 of the turbine housing 9. Also in this embodiment, the by the
- valve member 35 has a Verstellschaft 33, a Flutenventil- slide 36 within which a valve window 40 is provided, and a valve disc 34 has.
- a valve body 39 may be provided, which is not required in every case.
- This valve body 39 is advantageously shaped such that the desired direct flow of a downstream arranged catalytic converter is further optimized by means of the guided through the wastegate opening exhaust gas mass flow 25.
- a valve member 35 is illustrated, in which the flood valve spool 36 is cuboid-shaped and the valve body 39 is cylindrical.
- valve element 35 is illustrated, in which the flood valve slide 36 is of cuboid design and the valve body 39 is of conical design.
- valve element 35 is illustrated, in which the flood valve spool 36 is cuboid and the valve body 39 is formed parabolic.
- valve element 35 is illustrated, in which the flood valve slide 36 is cuboid and in which on the valve plate 34, no valve body is provided.
- a valve member 35 is illustrated, in which the flood valve spool 36 is cylindrical and in which the valve disc 34 ge ⁇ forms through the upper end surface of the cylindrical flood valve spool 36.
- the sealing surface is formed between the outer surface of the valve disk 34 facing away from the adjustment shaft 33 and an inner surface of the valve seat 13a of the turbine housing 9 arranged inside the exhaust gas flows 22, 23.
- a downstream exhaust gas catalyst is directly flowed through the exhaust gas mass flow 25 conducted through the wastegate opening.
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US16/300,082 US10767554B2 (en) | 2016-05-12 | 2017-03-22 | Turbine for an exhaust gas turbocharger with a two-volute turbine housing and a valve arrangement having improved outflow |
CN201780029364.4A CN109154229B (zh) | 2016-05-12 | 2017-03-22 | 用于废气涡轮增压器的涡轮机 |
BR112018071631-6A BR112018071631A2 (pt) | 2016-05-12 | 2017-03-22 | turbina para um turbocompressor de gás de escape com um alojamento de turbina de duas volutas e uma disposição da válvula que tem efluxo melhorado |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102016208160.8 | 2016-05-12 | ||
DE102016208160.8A DE102016208160B4 (de) | 2016-05-12 | 2016-05-12 | Turbine für einen Abgasturbolader mit zweiflutigem Turbinengehäuse und einer Ventil-Anordnung mit verbesserter Abströmung |
Publications (1)
Publication Number | Publication Date |
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WO2017194237A1 true WO2017194237A1 (de) | 2017-11-16 |
Family
ID=58401574
Family Applications (1)
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PCT/EP2017/056874 WO2017194237A1 (de) | 2016-05-12 | 2017-03-22 | Turbine für einen abgasturbolader mit zweiflutigem turbinengehäuse und einer ventil-anordnung mit verbesserter abströmung |
Country Status (5)
Country | Link |
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US (1) | US10767554B2 (de) |
CN (1) | CN109154229B (de) |
BR (1) | BR112018071631A2 (de) |
DE (1) | DE102016208160B4 (de) |
WO (1) | WO2017194237A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016208158A1 (de) * | 2016-05-12 | 2017-11-16 | Continental Automotive Gmbh | Turbine für einen Abgasturbolader mit zweiflutigem Turbinengehäuse und Ventil-Anordnung zur Flutenverbindung und Wastegate-Steuerung |
US10655534B2 (en) * | 2018-02-06 | 2020-05-19 | Garrett Transportation I Inc. | Rotary axial valve |
US10598082B2 (en) * | 2018-08-25 | 2020-03-24 | Garrett Transportation I Inc. | Turbine wastegate |
DE102018130829B4 (de) * | 2018-12-04 | 2022-03-31 | Bayerische Motoren Werke Aktiengesellschaft | Absperrorgan zur Flutenverbindung und Flutentrennung eines Turboladers sowie Verbrennungsmotor und Fahrzeug mit einem solchen |
DE102022000150B4 (de) | 2022-01-17 | 2024-05-23 | Mercedes-Benz Group AG | Turbine für einen Abgasturbolader, insbesondere eines Kraftfahrzeugs, sowie Verbrennungskraftmaschine |
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- 2016-05-12 DE DE102016208160.8A patent/DE102016208160B4/de active Active
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2017
- 2017-03-22 CN CN201780029364.4A patent/CN109154229B/zh active Active
- 2017-03-22 BR BR112018071631-6A patent/BR112018071631A2/pt not_active Application Discontinuation
- 2017-03-22 WO PCT/EP2017/056874 patent/WO2017194237A1/de active Application Filing
- 2017-03-22 US US16/300,082 patent/US10767554B2/en active Active
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Also Published As
Publication number | Publication date |
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CN109154229B (zh) | 2021-01-15 |
US20190178150A1 (en) | 2019-06-13 |
US10767554B2 (en) | 2020-09-08 |
BR112018071631A2 (pt) | 2019-02-19 |
DE102016208160B4 (de) | 2020-04-23 |
DE102016208160A1 (de) | 2017-11-16 |
CN109154229A (zh) | 2019-01-04 |
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