CN101158311A - Supercharger device - Google Patents

Supercharger device Download PDF

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Publication number
CN101158311A
CN101158311A CNA2007101630889A CN200710163088A CN101158311A CN 101158311 A CN101158311 A CN 101158311A CN A2007101630889 A CNA2007101630889 A CN A2007101630889A CN 200710163088 A CN200710163088 A CN 200710163088A CN 101158311 A CN101158311 A CN 101158311A
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CN
China
Prior art keywords
valve
men
waste gas
supercharging device
mechanical isolation
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
CNA2007101630889A
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Chinese (zh)
Other versions
CN101158311B (en
Inventor
M·博厄尔
K·里斯-米勒
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.)
Robert Bosch GmbH
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Robert Bosch GmbH
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of CN101158311A publication Critical patent/CN101158311A/en
Application granted granted Critical
Publication of CN101158311B publication Critical patent/CN101158311B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F02B37/12Control of the pumps
    • F02B37/18Control of the pumps by bypassing exhaust from the inlet to the outlet of turbine or to the atmosphere
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00Regulating or controlling by varying flow
    • F01D17/10Final actuators
    • F01D17/105Final actuators by passing part of the fluid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02CGAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/04Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
    • F02C6/10Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
    • F02C6/12Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/20Three-dimensional
    • F05D2250/23Three-dimensional prismatic
    • F05D2250/232Three-dimensional prismatic conical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00Geometry
    • F05D2250/70Shape
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Supercharger (AREA)

Abstract

The invention relates to a method and a device for cleaning diesel-engine exhaust. The exhaust is cleaned by using additive and catalyst. The invention includes line of supply of additive, the function of system cleaning and heating, gas supply system, electric controller and on-board diagnostics (OBD), which is suitable for every climate, moving and non-moving vehicle and system.

Description

Supercharging device
Background technique
Disclose a kind of device that is used for controlling the compressor horsepower of the exhaust gas turbocharger that is arranged in internal-combustion engine by DE 42 43 448 A1, this device has pneumatic servo drive.Provide the adjusting pressure medium by independently regulating pressure medium pump to the pneumatic servo drive unit, the adjusting pressure of this adjusting pressure medium pump is controlled according at least one operating parameter.The air pump that the electricity operation is set is as regulating pressure medium pump, and the drive unit of this air pump is controlled according at least one operating parameter by control apparatus.Be connected with the throttling of ambient air being provided with on the pressure side and in the scope between the servo drive of air pump.Control by the valve of electricity operation according to described at least one operating parameter by the control apparatus that additionally is used for regulating and controlling pressure with the through flow cross section that is connected of ambient air.The valve of electricity operation relates to the distributing valve of controlling with pulse shape.
It is littler and be equipped with for example exhaust gas turbocharger of supercharging device more and more also to be at present Structure of Internal-Combustion Engine of new generation in the exploitation, to be used to improve specific power.At this, on the supercharging device for example on exhaust gas turbocharger, boost pressure is regulated by waste gas-Men-valve (Waste-Gate-Ventil).If waste gas-Men-valve is opened, boost pressure descends so.If improve power requirements, so correspondingly close waste gas-Men-valve and improve boost pressure internal-combustion engine.
Usually pneumatically realize the operation of valve by vacuum control unit or overvoltage control unit.As disclosed, pre-determine pilot pressure by the stroke valve of control apparatus for internal combustion engine by DE 42 43 448 A1.
Verified, discharge or the cross-sectional distribution of the flow cross section of sealing non-linearly changes consumingly about the open angle of waste gas-Men-valve by waste gas-Men-valve.The closed position of next-door neighbour's waste gas-Men-valve, valve responds are very responsive, and valve is very insensitive to the reaction that angle changes near the position of standard-sized sheet.
Yet because be indispensable near the boost pressure of regulating on the internal-combustion engine full load scope at waste gas-Men-when valve cuts out, so in this regulation range, just in the position of realizing the operation of internal-combustion engine full load, the receptance of waste gas-Men-valve is important, thereby also realizes the adjusting of boost pressure near the full load scope of internal-combustion engine.On the contrary, the error of waste gas-Men-valve in the range of deflection of the position of opening fully corresponding to waste gas-Men-valve more can be tolerated.
Summary of the invention
Propose by the present invention, the mechanical isolation position is set on waste gas-Men-valve, near the just improvement of the quality of regulation the full load scope of internal-combustion engine and the improvement of degree of regulation have been realized in this isolation position.Waste gas-Men-valve cuts out fully usually or just stays open with a few degrees near the full load scope of internal-combustion engine, near the full load scope of internal-combustion engine, can be with this with of the metering that just a little be positioned at load range realization boost pressure full load below of highstrung mode at internal-combustion engine.Can get rid of the change of the jump type of boost pressure.The mechanical isolation position that proposes by the present invention preferably is arranged on the side of sensing gas exhaust manifold on valve top of waste gas-Men-valve, thereby the mechanical isolation position of the valve gap inboard of waste gas-Men-valve is exposed under the exhaust flow, and this exhaust flow directly bumps against on the supercharging device that preferable configuration is an exhaust gas turbocharger when closing waste gas-Men-valve.If preferably just stayed open with a few degrees by pneumatic regulator, waste gas-Men-valve of for example being triggered by vacuum control unit or overvoltage control unit, the mechanical isolation position on the side of the sensing exhaust flow of valve gap that so can be by waste gas-Men-valve obtains the open cross-section distribution of the linearity in the relevant regulation range of the valve gap of waste gas-Men-valve in the ideal case.Can obtain near the just improvement of the quality of regulation the full load scope thus, this is opposite with near the waste gas-Men-valve that has strong nonlinear open cross-section distribution the full load scope that uses so far.
The mechanical isolation position also can be configured on the housing of exhaust gas turbocharger in the scope at waste gas-Men-opening place, and this waste gas-Men-opening is closed by the valve thickness of waste gas-Men.
Description of drawings
By means of accompanying drawing the present invention is carried out more deep description below.Accompanying drawing illustrates:
Fig. 1 is the supercharging device with waste gas-Men-valve internal-combustion engine, that be configured to exhaust gas turbocharger in forced ignition of attaching troops to a unit;
Fig. 2 is by the closed position of the waste gas-Men of prior art and open position; And
Fig. 3 .1 and 3.2 is the opening and closing positions by the waste gas-Men that the is used for supercharging device-valve of the present invention's proposition.
Embodiment
From by learning a kind of internal-combustion engine of forced ignition the view of Fig. 1, the supercharging device that is configured to exhaust gas turbocharger is attached troops to a unit in this internal-combustion engine.
Fig. 1 shows internal-combustion engine, and this internal-combustion engine is realized as the internal-combustion engine of forced ignition in this embodiment.Yet unessentially for use of the present invention being, the internal-combustion engine that this internal-combustion engine relates to self ignition also relates to-as shown in Figure 1-internal-combustion engine of forced ignition.
Fresh air sucks in the air inlet short tubes 12 by air-strainer 10, and compresses in preferable configuration is the compressor section 16 of supercharging device 14 of exhaust gas turbocharger.Except compressor section 16, described preferable configuration is that the supercharging device 14 of exhaust gas turbocharger comprises turbo machine part 18.Compressor section 16 can be by the axle and 18 couplings of turbo machine part of rigidity.In order to be that the supercharging device 14 of exhaust gas turbocharger carries out boost pressure and regulates to preferable configuration, turbine portion is distributed and is belonged to waste gas-Men-valve 20.Waste gas-Men-valve 20 is operated by pneumatic regulator 22, and this regulator for example can be configured to vacuum control unit or overvoltage control unit.Pneumatic regulator 22 is connected with Wei Rao the rotational axis 30 rotating valve tops 26 of waste gas-Men-valve by the regulating element 24 that for example is configured to regulating lever.Valve top 26 opens or closes-and according to the triggering-preferable configuration of being undertaken the opening 28 in the housing 70 of supercharging device 14 of exhaust gas turbocharger by pneumatic regulator 22.
After the compressor section 16 of supercharging device 14 that by preferable configuration is exhaust gas turbocharger, precompressed fresh air flows to interstage cooler 34 by pressurized air pipe 32.After passing through interstage cooler 34, fresh air precompressed, cooling flows to throttling arrangement 36, regulates the air mass flow of input internal-combustion engine by throttling arrangement.
After passing through throttling arrangement 36, precompressed and fresh air cooling in interstage cooler 34 flows to the firing chamber 44 of internal-combustion engine by at least one intake valve 38 of internal-combustion engine according to the position of throttling arrangement 36.
In the cylinder head scope of internal-combustion engine, each cylinder has at least one exhaust valve 40 between at least one intake valve 38 of having mentioned.Arrange two intake valves 38 and two exhaust valves 40 respectively in internal-combustion engine, also can for each cylinder.Press view among Fig. 1 in the cylinder head scope of internal-combustion engine, spark plug 42 is between intake valve and exhaust valve, and the fuel-air mixture of compression is lighted by this spark plug 42 when piston 46 moves upward in firing chamber 44, and acting when expanding.In schematically repeating, the sensor 52 of in the scope of crankcase 54, having attached troops to a unit detonation sensor 50 and having detected coolant temperature for internal-combustion engine.
The waste gas of discharging from firing chamber 44 by at least one exhaust valve 40 after the working stroke of firing chamber 44 has entered outlet pipe 56 and imported preferable configuration is the turbo machine part 18 of the supercharging device 14 of exhaust gas turbocharger.The position of waste gas-Men-valve 20 of regulating according to the boost pressure that is used for supercharging device, be not in the full load scope of internal-combustion engine by preferable configuration be with all waste gases mass flow exhaust gas turbocharger supercharging device 14 18 channeling conducts of turbo machine part and be provided for compressing the desired merit of fresh air there, a part that flows through the waste gas of outlet pipe 56 exactly is to flow through on the turbo machine part 18 of supercharging device 14 of exhaust gas turbocharger in preferable configuration according to the open position on the valve top 26 of waste gas-Men-valve.
By behind the opening 28, the waste gas that reduces pressure flows into being arranged at least one baffler in the exhaust duct of venting gas appliance by maximum catalyst converters 58 when opening waste gas-Men-valve 20 after the turbo machine part 18 of supercharging device 14 that by preferable configuration is exhaust gas turbocharger in other words.
That the view of Fig. 2 relates to is disclosed by prior art, be the closed position and the open position of waste gas-Men-valve of using in the supercharging device of exhaust gas turbocharger up to now in preferable configuration.
Two of the valve of waste gas-Men-valve 20 top 26 in Fig. 2 with the position shown in reference character 80 and 82 in, show the opening 28 in the housing that schematically shows 70 of supercharging device 14.Opening 28 is closed and is fixed in the closed position 80 by the regulating lever 24 that is hinged on the articulating point 78 on the valve top 26 by the valve top 26 of waste gas-Men-valve 20 in closed position 80.According to the full load operation corresponding to internal-combustion engine of the closed position 80 of view among Fig. 2, wherein to assemble in gas exhaust manifold be turbo machine part 18 channeling conducts of the supercharging device 14 of exhaust gas turbocharger by preferable configuration afterwards to all waste gas of discharging from combustion chambers of internal combustion engines 44.
In open position 82 equally shown in figure 2, the valve of waste gas-Men-valve 20 top 26 is around rotational axis 30 deflection a little.Operation by pneumatic regulator shown in Figure 1 has realized this deflection, this controller action with valve top 26 on the regulating lever 24 that is connected on the articulating point 78 and the valve of opening waste gas-Men-valve 20 push up 26.By operating pneumatic regulator 22 valve of waste gas-Men-valve 20 top 26 is carried out deflection and valve top 26 is put down from supporting surface 76 around rotational axis 30, this supporting surface defines the opening 28 in the housing 70 of supercharging device 14.Because it is very responsive that the nonlinear cross-sectional distribution of regulating on opening 28 when centering on rotational axis 30 deflections on valve top 26, waste gas-Men-valve are reacted near the full load range of operation of internal-combustion engine.
The closed position 80 and the open position 82 of the waste gas-Men-valve that has the mechanical isolation position in the inboard that proposes by the present invention have been shown in Fig. 3 .1 and 3.2.
Can learn from Fig. 3 .1 that the valve top 26 of waste gas-Men-valve 20 is arranged in closed position 80.The valve top 26 of waste gas-Men-valve 20 is by being placed in the closed position 80 by pneumatic regulator shown in Figure 1 22 adjustment elements 24 operation, that be configured to push rod.The outside on the valve top 26 of waste gas-Men-valve 20 is by reference character 74 expressions, and the inboard on valve top 26 is by reference character 72 expressions.
The valve that Fig. 3 .1 shows the waste gas-Men-valve 20 of view in by Fig. 1 pushes up on 26 inboards 72 has constructed mechanical isolation position 84.Mechanical isolation position 84 in the embodiment shown in Fig. 3 .1, this mechanical isolation position is configured to frustum of a cone shape basically. Surface section 86,88, especially the conical surface section is extended with mutual different angle 90,92.The mechanical isolation position 84 of frustum of a cone shape is fixed on the inboard 72 on valve top 26 with its basal plane.From valve top 26 learn that the closed position shown in Fig. 3 .1 80 the first conical surface section 86 is positioned at back to valve pushes up on the end of 26 rotational axis 30.The articulating point 78 that is used for the adjustment element 24 that is configured to the push rod shape on operated valve top 26 be positioned at valve top 26 with the first conical surface section, the 86 opposed outsides 74.The first conical surface section 86 at mechanical isolation position 84 is constructed with an angle with respect to horizontal line, and this angle is by reference character 90 signs.Second angle 92 of second surface section 88 is preferably located in<90 ° scope in.
In addition, learn from the view of Fig. 3 .1 that in the closed position 80 on the valve of waste gas-Men-valve 20 top 26, mechanical isolation position 84 is sunk in the opening 28 of the housing that just schematically illustrates 70 of supercharging device 14 in Fig. 3 .1.
Fig. 3 .2 shows the open position of the waste gas-Men-valve that proposes by the present invention.
Learn that from the view of Fig. 3 .2 in the position of opening a few degrees 82 on valve top 26, the open cross-section 94 of the opening 28 in the housing 70 of supercharging device 14 stays open.The valve of waste gas-Men-valve 20 top 26 in the open position shown in Fig. 3 .2 82, the second conical surface section 88 at mechanical isolation position 84 is extended along the horizontal line direction.Push up 26 with during only a few degrees is opened to the open position 82 shown in Fig. 3 .2 from the closed position 80 shown in Fig. 3 .1 at valve with waste gas-Men-valve 20, first surface section 86, especially conical surface section 86 shifts out the opening 28 in the housing 70 of supercharging device 14 continuously, and shift out from closed position 80 move to open position 82 during substantial linear open open cross-section 94, thereby the growth that the substantial linear that has produced open cross-section 94 during the distance opening of a few degrees only changes, and can get rid of and near the boost pressure of the supercharging device 14 full load range of operation that especially is configured to exhaust gas turbocharger regulated waste gas-Men unexpected or jump type-valve 20 with negative consequence open.
Learn that from the view of Fig. 3 .2 the valve top 26 of having realized waste gas-Men-valve 20 deflects into the motion the position 82 of opening with a few degrees from closed position 80 around rotational axis 30.The distance of opening on the valve top 26 of waste gas-Men-valve 20 is extended around rotational axis 30.In the angular range of regulation range between 0 ° and 40 °, in this regulation range, have high non-linear by the waste gas-Men of disclosed embodiment-valve up to now.By the solution that proposes by the present invention, when using the isolation position 84 that proposes by the present invention, if the isolation position is arranged on the valve top 26 of waste gas-Men-valve 20, be configured on the housing of waste gas-Men-valve 20 if isolate the position, just can in this angular range, obtain the linear change of open cross-section distribution when operating waste gas-Men-valve 20.
Learn also that from the view of Fig. 3 .2 the first conical surface section 86 that has the mechanical isolation position 84 of frustum of a cone configuration is basically constructed with the angle in the scope between 90 ° and 150 ° 90 with respect to the inboard 92 on the valve top 26 of waste gas-Men-valve 20.The first conical surface section 86 contacts waste gas-Men-valve 20 on laying a little valve pushes up 26 inboards 72, this is laid a little with respect to the preferably laterally offset a little of inboard of housing 70, makes the exhaust mass stream that pushes up 26 o'clock trace at the valve of opening waste gas-Men-valve 20 directly to flow to other exhaust duct of internal-combustion engine from outlet pipe 56 (referring to the view of Fig. 1).Can be chosen in valve according to the valve switch performance of waste gas-Men-valve 20 and push up distance between opening 28 inwalls in laying a little of the first conical surface section 86 on 26 inboards 72 and supercharging device 14 housings 70.Other parameter that is used on purpose influencing the valve switch performance of waste gas-Men-valve 20 is the selection of the angle 90 of the first conical surface section 86, as at Fig. 3 .1 with the same shown in 3.2.

Claims (10)

1. the supercharging device with waste gas-Men-valve (20) (14) that is used for internal-combustion engine, the supercharging device (14) that wherein especially is configured to exhaust gas turbocharger comprises compressor section (16) and turbo machine part (18), these two parts are arranged in the housing (70), it is characterized in that described waste gas-Men-valve (20) comprises mechanical isolation position (84).
2. by the described supercharging device of claim 1 (14), it is characterized in that the valve that described mechanical isolation position (84) is configured in waste gas-Men-valve (20) pushes up facing on the surface (72) of housing (70) of (26).
3. by the described supercharging device of claim 1 (14), it is characterized in that described mechanical isolation position (84) is configured on the housing (70) of waste gas-Men-valve (20).
4. by the described supercharging device of claim 1 (14), it is characterized in that, described mechanical isolation position (84) comprises first surface section (86), and this first surface section obtains the linear growth of open cross-section (94) when waste gas-Men-valve (20) little opened distance or at little opening angle the time.
5. by the described supercharging device of claim 1 (14), it is characterized in that described mechanical isolation position (84) is sunk in the opening (28) of housing (70) in the closed position (80) of waste gas-Men-valve (20).
6. by the described supercharging device of claim 2 (14), it is characterized in that, described mechanical isolation position (84) constitutes with the form of the tilted-putted frustum of a cone basically, and this frustum of a cone is arranged in facing on the surface (72) of housing (70) of valve top (26) with its basal plane.
7. by the described supercharging device of claim 2 (14), it is characterized in that, described mechanical isolation position (84) basically with the formal construction of the tilted-putted hollow frustum of a cone on the inboard (72) on valve top (26).
8. by the described supercharging device of claim 4 (14), it is characterized in that, the first surface section (86) at described mechanical isolation position (84) be positioned at valve top (26) on the end of rotational axis (30).
9. by claim 6 or 7 described supercharging devices, it is characterized in that the described axis that is arranged in the frustum of a cone on the surface (72) is arranged obliquely with respect to the rotational axis (30) on the valve top (26) of waste gas-Men-valve (20).
10. by the described supercharging device of claim 4 (14), it is characterized in that, the articulating point (78) of adjusting element (24) go up on valve top (26) and first surface section (86) opposed.
CN2007101630889A 2006-10-02 2007-09-30 Supercharger device Active CN101158311B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006046826.0 2006-10-02
DE102006046826.0A DE102006046826B4 (en) 2006-10-02 2006-10-02 charging

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CN101158311A true CN101158311A (en) 2008-04-09
CN101158311B CN101158311B (en) 2013-04-10

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DE (1) DE102006046826B4 (en)
FR (1) FR2906566A1 (en)

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US11408333B2 (en) 2019-02-15 2022-08-09 Borgwarner Inc. Valve assembly for a dual volute turbocharger and dual volute turbocharger including the same
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DE102005028006B4 (en) * 2005-06-17 2012-02-09 Audi Ag Swivel valve for a boost pressure control device of an exhaust gas-fired internal combustion engine

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Publication number Publication date
CN101158311B (en) 2013-04-10
DE102006046826B4 (en) 2017-07-13
FR2906566A1 (en) 2008-04-04
DE102006046826A1 (en) 2008-04-03

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