WO2010054884A2 - Agencement d'arbre avec dispositif d'étanchéité - Google Patents

Agencement d'arbre avec dispositif d'étanchéité Download PDF

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Publication number
WO2010054884A2
WO2010054884A2 PCT/EP2009/062363 EP2009062363W WO2010054884A2 WO 2010054884 A2 WO2010054884 A2 WO 2010054884A2 EP 2009062363 W EP2009062363 W EP 2009062363W WO 2010054884 A2 WO2010054884 A2 WO 2010054884A2
Authority
WO
WIPO (PCT)
Prior art keywords
shaft
sealing
ring
ring element
adjusting
Prior art date
Application number
PCT/EP2009/062363
Other languages
German (de)
English (en)
Other versions
WO2010054884A3 (fr
Inventor
Ralf Böning
Holger Fäth
Ralph-Maurice KÖMPEL
Original Assignee
Continental Automotive Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2010054884A2 publication Critical patent/WO2010054884A2/fr
Publication of WO2010054884A3 publication Critical patent/WO2010054884A3/fr

Links

Classifications

    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/54—Other sealings for rotating shafts
    • 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
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/21—Oxide ceramics
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/22—Non-oxide ceramics
    • F05D2300/224—Carbon, e.g. graphite
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • the invention relates to a shaft device with a sealing device, in particular an adjusting shaft device, for example for actuating or adjusting a wastegate device or a variable turbine geometry device (VTG) of a turbocharger.
  • a sealing device in particular an adjusting shaft device, for example for actuating or adjusting a wastegate device or a variable turbine geometry device (VTG) of a turbocharger.
  • VVG variable turbine geometry device
  • a turbocharger usually has a turbine and a compressor arranged on a common shaft.
  • the turbine is driven by the exhaust gas mass flow of a connected internal combustion engine.
  • the turbine drives the compressor again via the common shaft.
  • the compressor can thereby compress fresh air and supply the compressed air to the internal combustion engine.
  • vanes are movably arranged, which are displaceable via an adjustment device, e.g. an adjusting ring, can be adjusted or moved to suitably change the Turbinenguerites.
  • an adjustment device e.g. an adjusting ring
  • turbochargers with a so-called wastegate device e.g. one
  • Part of the exhaust gas mass flow are discharged via a bypass line, wherein the bypass line or the wastegate device is actuated via a flap.
  • an adjusting shaft arrangement or device is used to actuate the variable turbine geometry or the flap of the wastegate device.
  • the adjusting shaft arrangement in this case has a stepped shaft which is connected via a fixing section with a lever of an adjusting device of a variable turbine geometry of a turbocharger.
  • the stepped shaft has two sections of different diameters. The smaller diameter portion is provided with a circumferential groove, with a gasket or piston ring seal disposed in the groove. Furthermore, a corresponding bushing is pushed over the shaft, which is also graduated according to the shaft.
  • US Pat. No. 6,599,087 likewise discloses an adjusting shaft arrangement.
  • This has in this case a shaft which is connected at its one end with an actuating lever with an actuating pin, for actuating an adjusting ring of a variable turbine geometry (VTG).
  • the shaft is first passed through an opening in a housing wall, before it is connected to the actuating lever.
  • the opening of the housing wall is stepped.
  • the two stages of the opening have two different diameters, with the first stage with the smaller diameter facing outwards and the second stage with the larger diameter facing inwards.
  • a sealing ring made of metal is now provided.
  • the sealing ring has on one side a contact surface, with which it can be pressed sealingly against the wall of the first stage, when the pressure in the housing increases accordingly. As a result, the shaft is sealed to counteract leakage of exhaust gas from the housing.
  • a shaft device for a turbocharger wherein the shaft device has a shaft which is arranged in a bearing bush device, wherein the bearing bush device has a receptacle for at least one sealing device at one or both ends, wherein the sealing device is designed such that it presses in a sealing manner in the radial direction against a corresponding sealing surface or abuts sealingly against it.
  • the shaft device with the sealing device has the advantage that a very good tightness is achieved without an impact gap as in a piston ring and without a sealing gap as in a sliding sealing ring. Another advantage is that the axial displaceability is maintained.
  • the sealing device has at least one or more flexible sealing elements.
  • the flexible sealing element is, for example, a flexible ring element or sealing ring element, which can abut radially sealingly on an associated sealing surface or sealing surfaces. This has the advantage that no sealing gap results as in a displaceable sealing ring.
  • the sealing element can adapt accordingly, for example in the case of a tilting of the shaft.
  • the flexible ring element is made of metal, for example, or has this at least on.
  • the ring element can be additionally coated, for example, in the region of its outer circumference, inner circumference, its front side and / or rear side, for example with a sealing material, such as e.g. Rubber, hard rubber, ceramic fibers, etc.
  • a sealing material such as e.g. Rubber, hard rubber, ceramic fibers, etc.
  • the flexible ring element is for example of a graphite sealing cord or graphite sealing cords or has these. Furthermore, the flexible ring element may also consist of or comprise ceramic fibers, for example.
  • the ring element is, for example accordion-shaped or wavy, so that it can be compressed, for example.
  • the ring element may be formed curved outwards and / or inwards.
  • the ring element may, for example, have a compact or solid cross-section, e.g. a round, oval and / or square cross-section.
  • the ring element on its outer circumference and / or inner circumference have or form a flat support or linear support or form a flat support on one circumference and a line-shaped support on the other circumference.
  • the ring element lies with the flat or linear support sealingly against the associated sealing surface.
  • the sealing element or ring element can also rest with the rear side on the bearing device or in the receptacle, for example in a sealing manner. As a result, an additional sealing point can be provided.
  • the sealing element or ring element can also be spaced with its rear side from the bottom of the receptacle.
  • two sealing elements or ring elements can be provided in a receptacle, wherein the additional sealing element can form an additional safeguard for the sealing of the shaft.
  • a turbocharger with a shaft device in which the shaft of the shaft device acts as an adjusting shaft, which can be coupled, for example, with a turbine geometry device or with its adjusting ring for adjusting the blades of the VTG. Furthermore, the shaft or adjusting shaft can also be designed to be coupled to a wastegate device for adjusting or actuating a wastegate flap.
  • the shaft device according to the invention has the advantage that, with a relatively small structure, the shaft device or adjusting shaft device can be sealed very well and leakage of exhaust gas from the turbocharger can be prevented.
  • Fig. 1 is a sectional view through a turbocharger housing with a shaft and a sealing device according to a first embodiment of the invention
  • Fig. 2 is a sectional view through a turbocharger housing with a shaft and a sealing device according to a second embodiment of the invention.
  • a part of a housing 10 of a turbocharger is shown.
  • the housing 10 is in this case, for example, a bearing housing 12 with an opening 14 in the housing wall, through which a shaft device is guided.
  • the invention is not limited to a bearing housing 12, but can in principle be applied to any housing in which a shaft is passed and a seal of the shaft or of the housing is to be provided to the outside.
  • the shaft device 16 is formed in the examples shown in FIGS. 1 and 2 as part of an adjusting device of a wastegate device (not shown) or a variable turbine geometry device (not shown) of the turbocharger.
  • a flap of a connected or coupled wastegate device can be actuated or opened and closed via the shaft device 16, or the blades of a connected or coupled variable turbine geometry device can be appropriately adjusted.
  • variable turbine geometry device VTG and a wastegate device are well known in the prior art and are therefore not described in detail. The same applies to the operation of these facilities. Examples of this are, for example, in the previously mentioned documents DE 20 2005 008 606 Ul and US Pat. No. 6,599,087.
  • the invention is not limited to this example of the variable turbine geometry device and the wastegate device, as well as their operation. The invention can in principle be applied to any such device in which a shaft or shaft device is used.
  • the shaft device 16 as shown in Fig. 1, has a shaft 18 which is guided in a bearing bushing means 20.
  • the shaft device 16 is arranged in a wall, for example, a bearing housing 12 of a turbocharger.
  • the bearing bushing device 20 is disposed in an opening 14 of the housing wall to guide the shaft 18 through the wall.
  • the bearing bushing device 20 has at one or both ends 22, 24 a receptacle 26 for a sealing element 28 which bears sealingly against the respective sealing surface 30 in the radial direction so as to form or provide a sealing device 32.
  • the respective receptacle 26 can in this case, as shown in Fig. 1, e.g. in the form of a depression at the end 22, 24 of the bearing bush means 20 may be formed.
  • sealing element 28 may be on one side, e.g. 1, at least one flexible ring element 28 is provided, which seals or presses radially against the respective sealing surface 30. More specifically, when installed, seal member 28 radially seals against shaft 18 and bushing assembly 20 of shaft assembly 16. Optionally, it may additionally rest against the bottom 36 of the receptacle 26, for example with its rear side 34, for example, in a sealing manner (not shown).
  • the ring element 28 is in this case made of metal or has this.
  • the ring member 28 may for example Metal exist and eg on the front 38 and / or back 34, or only in the region of its inner circumference and / or outer circumference, optionally additionally coated, for example with at least one rubber layer (eg hard rubber, etc.) or other material, preferably for sealing is suitable and has a sufficient temperature resistance or eg in a bearing housing 12 has sufficient heat and heat resistance.
  • Rubber layer eg hard rubber, etc.
  • the ring element 28 e.g. made of metal, as shown in Fig. 1, is sufficiently flexible, so that it can press against the sealing surface 30 in the radial direction sealing or against the bearing bushing device 20 and the shaft 18 of the shaft device 16.
  • the flexibility in a Ring element 28 made of metal can be provided by the fact that the metal has a sufficiently small wall thickness, so that it is not rigid but flexible or bendable and can press against the sealing surfaces sealingly.
  • the ring element 28 has an open shape.
  • the ring element 28 may be zigzag-shaped or corrugated, for example, as shown in Fig. 1, wherein it can be clamped between the shaft 18 and the receptacle 26 of the bearing bush means 20 and can be sealingly against the sealing surfaces 30.
  • the bearing bush device 20 also has a receptacle 26 at the other end 24, for example in the form of a depression in which a sealing element 28 is provided.
  • the sealing element 28 also applies in the radial direction to the respective sealing surface 30 sealingly, so as to form a sealing device 32 or provide.
  • a ring element 28 made of metal which seals against the respective sealing surface 30 in the radial direction
  • a ring element 28 made of a different material which has the same effect.
  • the material for example, have or consist of graphite cords and / or ceramic fibers.
  • the material is in this case according to temperature resistant or heat resistant, for example, in a bearing housing 12 or turbine housing or compressor housing. As shown in Fig. 1, this is
  • Ring element 28 made of a flexible sealing cord, such as a graphite sealing cord, which can be pressed radially in the receptacle 26.
  • the ring member 28 is in the radial direction sealingly against the inside of the receptacle 26 of the bearing bush means 20 and sealingly on the outside of the shaft 18.
  • the receptacle 26 can optionally also be provided with a stop or a limit 26, as indicated in FIG. 1 by a dashed line, which can counteract unwanted slipping out of the sealing element 28.
  • the boundary 26 may be formed integrally with the bearing bush means 20 or be attached as a separate part of this.
  • a sealing device 32 is provided on only one side of the shaft device 16.
  • the inner end 22 of the bearing bush means 20 is provided with a receptacle 26 in which at least one sealing element 28 is received.
  • the sealing element 28 here is, for example, a ring element 28 made of metal or hard rubber, which is sufficiently resistant to temperature.
  • the ring element 28 is, as shown in FIG. 2, for example arched outwards and lies in the radial direction with its outer circumference, for example flat, sealingly against the inner side of the bearing bushing device 20 and with its inner circumference, sealingly against the shaft 18 ,
  • the ring member 28 may also be curved inwardly (not shown).
  • the sealing device 32 instead also be provided on the inside of the housing wall according to the outside of the housing wall or on both sides, as shown in Fig. 1.
  • the extensibility or flexibility of the sealing elements or ring elements 28 is utilized to achieve a perfect contact of sealing surfaces, without affecting additional parts, such as springs etc., to resort to.
  • the sealing solution once consists of a piston ring solution in which the piston ring is located in a groove on the adjusting shaft.
  • the other sealing solution consists of a displaceable, tightly-tolerated sealing ring, which is applied by the pressure axially to a bushing surface and thus seals.
  • the sealing ring elements can invest radially on a sealing surface.
  • a very good tightness is achieved without an impact gap as in a piston ring and without a sealing gap as in a displaceable sealing ring.
  • Another advantage of the invention lies in the adaptation of the seal when tilting the shaft. Furthermore, the axial displaceability remains.
  • the invention has the advantage that the shaft device can be suitably sealed, for example, with respect to an interior of a bearing housing, in order to counteract or substantially prevent leakage of exhaust gas from the bearing housing interior.
  • the sealing of the shaft means takes place in the radial direction by one, two or more flexible ring elements as sealing elements.
  • a ring element is arranged in each receptacle.
  • the ring elements may in this case be made of the same or a different material or material combination.
  • the ring elements may have the same shape or a different shape or dimensioning.
  • a flexible ring element according to the invention can have, for example on its outer circumference and / or inner circumference, a flat or line-shaped bearing surface or contact surface for surface or linear sealing abutment on the outside of the bearing bushing device or on the inside of the bearing bushing
  • a ring member may optionally also be provided with, for example, a sidewall, such as a skirt. is shown in Fig. 1, abut the bottom of the receptacle of the bearing bush means.
  • a stop or a limitation may be provided on a receptacle, which may counteract an unwanted slipping out of the ring member.
  • the ring element can have any desired shape or cross-section, provided that the ring element is suitably flexible and can bear a radial sealing against the inside of the bearing bushing device and against the outside of the shaft of the shaft device.
  • the in Figs. 1 and 2 are merely exemplary and the invention is not limited to these specific embodiments.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supercharger (AREA)

Abstract

L'invention concerne un agencement d'arbre (16) d'un turbocompresseur. L'agencement d'arbre (16) comprend un arbre (18) qui est placé dans un dispositif à coussinet (20). Le dispositif à coussinet (20) possède à une ou deux de ses extrémités (22, 24) un logement (26) pour un dispositif d'étanchéité (28) qui, dans la direction radiale, repose de manière étanche sur une surface d'étanchéité (30) correspondante.
PCT/EP2009/062363 2008-11-13 2009-09-24 Agencement d'arbre avec dispositif d'étanchéité WO2010054884A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810057207 DE102008057207A1 (de) 2008-11-13 2008-11-13 Welleneinrichtung mit einer Dichtungsvorrichtung
DE102008057207.1 2008-11-13

Publications (2)

Publication Number Publication Date
WO2010054884A2 true WO2010054884A2 (fr) 2010-05-20
WO2010054884A3 WO2010054884A3 (fr) 2011-03-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/062363 WO2010054884A2 (fr) 2008-11-13 2009-09-24 Agencement d'arbre avec dispositif d'étanchéité

Country Status (2)

Country Link
DE (1) DE102008057207A1 (fr)
WO (1) WO2010054884A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150013597A (ko) * 2012-05-11 2015-02-05 보르그워너 인코퍼레이티드 배기가스 터보차저의 조절 플랩 장치

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DE102012003709A1 (de) * 2012-02-24 2013-08-29 Gm Global Technology Operations, Llc Abgasführungsanordnung für einen aufladbaren oder aufgeladenen Verbrennungsmotor
DE102015117750A1 (de) * 2015-10-19 2017-04-20 Ihi Charging Systems International Gmbh Regelvorrichtung für einen Abgasturbolader
DE102016117345A1 (de) 2016-09-15 2018-03-15 Man Diesel & Turbo Se Radialturbine eines Turboladers und Turbolader
DE102017128830A1 (de) 2017-12-05 2019-06-06 Continental Automotive Gmbh Wastegateanordnung für einen Abgasturbolader
DE102017128826A1 (de) * 2017-12-05 2019-06-06 Continental Automotive Gmbh Wastgateanordnung für einen Abgasturbolader

Citations (10)

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GB710985A (en) * 1952-03-10 1954-06-23 John Tohill An improved sealing assembly on a bearing end
DE8608520U1 (fr) * 1986-03-27 1987-04-09 Mtu Muenchen Gmbh
DE3734704A1 (de) * 1986-10-28 1988-05-11 Pacific Wietz Gmbh & Co Kg Gasdichtungsanordnung fuer eine welle
JPH05248253A (ja) * 1992-03-09 1993-09-24 Aisan Ind Co Ltd ターボチャージャ用ウェストゲートバルブ
JPH11166428A (ja) * 1997-12-03 1999-06-22 Jidosha Kiki Co Ltd 排気ブレーキバルブ
EP1323957A2 (fr) * 2001-12-28 2003-07-02 General Electric Company Joint composite tubulaire tressé pour l'nterface tuyère-virole d'une turbine à gaz
EP1327748A1 (fr) * 2001-12-28 2003-07-16 General Electric Company Etanchéité pour l'interface buse et virole d'une turbine à gas
EP1426563A1 (fr) * 2002-12-03 2004-06-09 BorgWarner Inc. Turbocompresseur avec joint céramique ou métallique entre le boítier de turbine et le carter de palier
US20050079049A1 (en) * 2003-10-08 2005-04-14 Aisin Seiki Kabushiki Kaisha Exhaust gas sealing system for turbocharger
JP2008309111A (ja) * 2007-06-15 2008-12-25 Toyota Motor Corp 可変ノズル機構

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US4260339A (en) * 1978-03-22 1981-04-07 British Aerospace Turbo compressor
AU2002235452A1 (en) 2001-01-25 2002-08-06 Honeywell International Inc. Actuator shaft seal for variable nozzle turbocharger
DE10141900A1 (de) * 2001-08-28 2003-03-20 Daimler Chrysler Ag Abgasturbolader
DE202005008606U1 (de) 2005-06-02 2005-08-04 Borgwarner Inc., Auburn Hills Verstellwellenanordnung eines Turboladers

Patent Citations (10)

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Publication number Priority date Publication date Assignee Title
GB710985A (en) * 1952-03-10 1954-06-23 John Tohill An improved sealing assembly on a bearing end
DE8608520U1 (fr) * 1986-03-27 1987-04-09 Mtu Muenchen Gmbh
DE3734704A1 (de) * 1986-10-28 1988-05-11 Pacific Wietz Gmbh & Co Kg Gasdichtungsanordnung fuer eine welle
JPH05248253A (ja) * 1992-03-09 1993-09-24 Aisan Ind Co Ltd ターボチャージャ用ウェストゲートバルブ
JPH11166428A (ja) * 1997-12-03 1999-06-22 Jidosha Kiki Co Ltd 排気ブレーキバルブ
EP1323957A2 (fr) * 2001-12-28 2003-07-02 General Electric Company Joint composite tubulaire tressé pour l'nterface tuyère-virole d'une turbine à gaz
EP1327748A1 (fr) * 2001-12-28 2003-07-16 General Electric Company Etanchéité pour l'interface buse et virole d'une turbine à gas
EP1426563A1 (fr) * 2002-12-03 2004-06-09 BorgWarner Inc. Turbocompresseur avec joint céramique ou métallique entre le boítier de turbine et le carter de palier
US20050079049A1 (en) * 2003-10-08 2005-04-14 Aisin Seiki Kabushiki Kaisha Exhaust gas sealing system for turbocharger
JP2008309111A (ja) * 2007-06-15 2008-12-25 Toyota Motor Corp 可変ノズル機構

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150013597A (ko) * 2012-05-11 2015-02-05 보르그워너 인코퍼레이티드 배기가스 터보차저의 조절 플랩 장치
KR102031181B1 (ko) * 2012-05-11 2019-10-11 보르그워너 인코퍼레이티드 배기가스 터보차저의 조절 플랩 장치

Also Published As

Publication number Publication date
DE102008057207A1 (de) 2010-05-27
WO2010054884A3 (fr) 2011-03-03

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