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DE10337491A1 - Exhaust gas turbocharger for IC engines esp. for motor vehicles has flow channel component fastened by bolts, with one bolt passing through turbine guide blade to form pivot axis - Google Patents

Exhaust gas turbocharger for IC engines esp. for motor vehicles has flow channel component fastened by bolts, with one bolt passing through turbine guide blade to form pivot axis Download PDF

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Publication number
DE10337491A1
DE10337491A1 DE2003137491 DE10337491A DE10337491A1 DE 10337491 A1 DE10337491 A1 DE 10337491A1 DE 2003137491 DE2003137491 DE 2003137491 DE 10337491 A DE10337491 A DE 10337491A DE 10337491 A1 DE10337491 A1 DE 10337491A1
Authority
DE
Germany
Prior art keywords
flow channel
exhaust gas
channel component
gas turbocharger
pivot axis
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.)
Ceased
Application number
DE2003137491
Other languages
German (de)
Inventor
Ralf Dipl.-Ing. Siemer
Roland Dipl.-Ing. Dr. Baar
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Volkswagen AG filed Critical Volkswagen AG
Priority to DE2003137491 priority Critical patent/DE10337491A1/en
Publication of DE10337491A1 publication Critical patent/DE10337491A1/en
Ceased legal-status Critical Current

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Classifications

    • 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
    • F01D17/12Final actuators arranged in stator parts
    • F01D17/14Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/165Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for radial flow, i.e. the vanes turning around axes which are essentially parallel to the rotor centre line
    • 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
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F01D25/243Flange connections; Bolting arrangements
    • 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
    • F05D2220/00Application
    • F05D2220/40Application in turbochargers

Landscapes

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

Abstract

The turbocharger has a housing (10), and a flow channel component (12) with guide blades (14), which, with a guide blade carrier (16), forms a section of a flow channel (22). The component is fastened by bolts (24). At least one bolt extends through a guide blade to form a pivot axis for that blade. The end of the bolt away from the component is fastened to a bearing housing (18) or to the guide blade carrier.

Description

Die Erfindung betrifft einen Abgasturbolader für eine Brennkraftmaschine, insbesondere eines Kraftfahrzeuges, mit einem Turbinengehäuse, einem Strömungskanalbauteil, welches zusammen mit einem Leitschaufelträger einen Abschnitt eines Strömungskanals in einer Turbine des Abgasturboladers ausbildet, und Leitschaufeln, welche in dem vom Strömungskanalbauteil ausgebildeten Abschnitt des Strömungskanals schwenkbar angeordnet sind, wobei Befestigungsbolzen zum Befestigen des Strömungskanalbauteils vorgesehen sind, gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to an exhaust gas turbocharger for an internal combustion engine, in particular of a motor vehicle, with a turbine housing, a flow channel component, which together with a vane support a portion of a flow channel in a turbine of the exhaust gas turbocharger, and vanes, which in the flow channel component formed section of the flow channel are pivotally mounted, with fastening bolts for fastening the flow channel component are provided according to the preamble of claim 1.

Ein Abgasturbolader ist beispielsweise aus EP 1 099 838 A1 bekannt. Um den Strömungskanal vom Turbinengehäuse zu trennen, ist es bereits vorgeschlagen worden, ein zusätzliches Strömungskanalbauteil vorzusehen, welches am Leitschaufelträger und/oder am Lagergehäuse befestigt ist.An exhaust gas turbocharger is for example off EP 1 099 838 A1 known. In order to separate the flow channel from the turbine housing, it has already been proposed to provide an additional flow channel component, which is attached to the guide blade carrier and / or on the bearing housing.

Der Erfindung liegt die Aufgabe zugrunde, eine optimierte Trennung des Strömungskanals vom Turbinengehäuse zur Verfügung zu stellen.Of the Invention is based on the object, an optimized separation of the flow channel from the turbine housing to disposal to deliver.

Diese Aufgabe wird erfindungsgemäß durch einen Abgasturbolader der o.g. Art mit den in Anspruch 1 gekennzeichneten Merkmalen gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen angegeben.These The object is achieved by a Exhaust gas turbocharger of the o.g. Type with the characterized in claim 1 Characteristics solved. Advantageous embodiments of the invention are specified in the dependent claims.

Dazu ist es erfindungsgemäß vorgesehen, daß wenigstens ein Befestigungsbolzen durch eine Leitschaufel greift und für diese Leitschaufel eine Schwenkachse ausbildet.To It is inventively provided that at least a fixing bolt engages through a vane and for this Guide blade forms a pivot axis.

Dies hat den Vorteil, daß sich im Strömungskanal keine zusätzlichen Bauteile bzw. Störgeometrien befinden, welche die Strömung negativ beeinflussen.This has the advantage of being in the flow channel No additional Components or interference geometries which are the flow influence negatively.

Zweckmäßigerweise ist der wenigstens eine Befestigungsbolzen mit einem dem Strömungskanalbauteil abgewandten Ende mit einem Lagergehäuse und/oder mit dem Leitschaufelträger verbunden.Conveniently, is the at least one fastening bolt with a flow channel component opposite end connected to a bearing housing and / or with the vane carrier.

Weitere Merkmale, Vorteile und vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den abhängigen Ansprüchen, sowie aus der nachstehenden Beschreibung der Erfindung anhand der beigefügten Zeichnung. Diese zeigt in der einzigen Fig. eine schematische Schnittansicht einer Turbine einer bevorzugten Ausführungsform eines erfindungsgemäßen Abgasturboladers.Further Features, advantages and advantageous embodiments of the invention arise from the dependent ones claims, and from the following description of the invention with reference to the attached Drawing. This shows in the single FIG. A schematic sectional view a turbine of a preferred embodiment of an exhaust gas turbocharger according to the invention.

Die in der einzigen Fig. dargestellte, bevorzugte Ausführungsform eines erfindungsgemäßen Abgasturboladers umfaßt ein Turbinengehäuse 10, ein Strömungskanalbauteil 12, eine Leitschaufel 14, welche von einem Leitschaufelträger 16 getragen ist, und ein Lagergehäuse 18. Die Leitschaufel 14 ist schwenkbar angeordnet und mit einem Verstellhebel 20 verbunden. Das Strömungskanalbauteil 12 bildet zusammen mit dem Leitschaufelträger 16 einen Strömungskanal 22 aus. Das Strömungskanalbauteil 12 ist mittels Befestigungsbolzen 24, von denen in der einzigen Fig. nur einer sichtbar ist, am Lagergehäuse 18 befestigt. Hierzu greift ein vom Strömungskanalbauteil 12 abgewandtes Ende 28 des Befestigungsbolzens 24 in das Lagergehäuse 18 und ist dort beispielsweise mittels einer Schraubverbindung befestigt.The illustrated in the single FIGURE, preferred embodiment of an exhaust gas turbocharger according to the invention comprises a turbine housing 10 , a flow channel component 12 , a vane 14 that of a vane carrier 16 is worn, and a bearing housing 18 , The vane 14 is pivotally mounted and with an adjustment lever 20 connected. The flow channel component 12 forms together with the vane carrier 16 a flow channel 22 out. The flow channel component 12 is by means of fastening bolts 24 of which in the single Fig. Only one is visible on the bearing housing 18 attached. For this one engages the flow channel component 12 opposite end 28 of the fastening bolt 24 in the bearing housing 18 and is attached there, for example by means of a screw connection.

Der Befestigungsbolzen 24 greift durch eine der Leitschaufeln 14 und bildet dabei eine Schwenkachse für diese Leitschaufel 14. Die Leitschaufel 14 ist zusätzlich in einer Öffnung 26 des Leitschaufelträgers 16 geführt, wobei Öffnung 26, Leitschaufel 14 und Befestigungsbolzen 24 konzentrisch zueinander angeordnet sind. Bevorzugt greifen alle Befestigungsbolzen 24 durch eine jeweilige Leitschaufel 14. Durch die Kombination der Funktion Befestigungsbolzen für das Strömungskanalbauteil 12 und Schwenkachse für Leitschaufeln 14 ist die Anzahl der Bauteile reduziert und gleichzeitig sind keine zusätzlichen Bauteile im Strömungskanal 22 vorhandenen, die eine Störgeometrie bilden und die Strömung im Strömungskanal 22 negativ beeinflussen.The fastening bolt 24 grips through one of the vanes 14 and forms a pivot axis for this vane 14 , The vane 14 is additionally in an opening 26 of the vane carrier 16 guided, with opening 26 , Vane 14 and fastening bolts 24 are arranged concentrically with each other. Preferably, all fastening bolts engage 24 through a respective vane 14 , By combining the function fastening bolts for the flow channel component 12 and pivot axis for vanes 14 The number of components is reduced and at the same time there are no additional components in the flow channel 22 existing, which form a Störgeometrie and the flow in the flow channel 22 influence negatively.

Claims (3)

Abgasturbolader für eine Brennkraftmaschine, insbesondere eines Kraftfahrzeuges, mit einem Turbinengehäuse (10), einem Strömungskanalbauteil (12), welches zusammen mit einem Leitschaufelträger (16) einen Abschnitt eines Strömungskanals (22) in einer Turbine des Abgasturboladers ausbildet, und Leitschaufeln (14), welche in dem vom Strömungskanalbauteil (12) ausgebildeten Abschnitt des Strömungskanals (22) schwenkbar angeordnet sind, wobei Befestigungsbolzen (24) zum Befestigen des Strömungskanalbauteils (12) vorgesehen sind, dadurch gekennzeichnet, daß wenigstens ein Befestigungsbolzen (24) durch eine Leitschaufel (14) greift und für diese Leitschaufel (14) eine Schwenkachse ausbildet.Exhaust gas turbocharger for an internal combustion engine, in particular of a motor vehicle, with a turbine housing ( 10 ), a flow channel component ( 12 ), which together with a guide vane carrier ( 16 ) a portion of a flow channel ( 22 ) is formed in a turbine of the exhaust gas turbocharger, and guide vanes ( 14 ), which in the flow channel component ( 12 ) formed portion of the flow channel ( 22 ) are pivotally mounted, with fastening bolts ( 24 ) for fastening the flow channel component ( 12 ) are provided, characterized in that at least one fastening bolt ( 24 ) by a vane ( 14 ) and for this vane ( 14 ) forms a pivot axis. Abgasturbolader nach Anspruch 1, dadurch gekennzeichnet, daß der wenigstens eine Befestigungsbolzen (24) mit einem dem Strömungskanalbauteil (12) abgewandten Ende mit einem Lagergehäuse (18) verbunden ist.Exhaust gas turbocharger according to claim 1, characterized in that the at least one fastening bolt ( 24 ) with a flow channel component ( 12 ) facing away from the end with a bearing housing ( 18 ) connected is. Abgasturbolader nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der wenigstens eine Befestigungsbolzen (24) mit einem dem Strömungskanalbauteil (12) abgewandten Ende mit dem Leitschaufelträger (16) verbunden ist.Exhaust gas turbocharger according to claim 1 or 2, characterized in that the at least one fastening bolt ( 24 ) with a flow channel component ( 12 ) facing away from the guide vane carrier ( 16 ) connected is.
DE2003137491 2003-08-14 2003-08-14 Exhaust gas turbocharger for IC engines esp. for motor vehicles has flow channel component fastened by bolts, with one bolt passing through turbine guide blade to form pivot axis Ceased DE10337491A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2003137491 DE10337491A1 (en) 2003-08-14 2003-08-14 Exhaust gas turbocharger for IC engines esp. for motor vehicles has flow channel component fastened by bolts, with one bolt passing through turbine guide blade to form pivot axis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2003137491 DE10337491A1 (en) 2003-08-14 2003-08-14 Exhaust gas turbocharger for IC engines esp. for motor vehicles has flow channel component fastened by bolts, with one bolt passing through turbine guide blade to form pivot axis

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DE10337491A1 true DE10337491A1 (en) 2005-03-17

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1734231A1 (en) * 2005-06-16 2006-12-20 BorgWarner Inc. Turbocharger and nozzle mounting ring therefor
WO2009065763A3 (en) * 2007-11-21 2010-01-14 Bosch Mahle Turbo Systems Gmbh & Co. Kg Supercharger device
DE102008014678A1 (en) * 2008-03-18 2010-04-15 Continental Automotive Gmbh Turbocharger with a variable turbine geometry VTG

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69806057T2 (en) * 1997-12-15 2002-11-07 Ge Rotoflow Inc., Gardena SCHUBDÜSENVERSTELLEINRICHTUNG

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69806057T2 (en) * 1997-12-15 2002-11-07 Ge Rotoflow Inc., Gardena SCHUBDÜSENVERSTELLEINRICHTUNG

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1734231A1 (en) * 2005-06-16 2006-12-20 BorgWarner Inc. Turbocharger and nozzle mounting ring therefor
WO2009065763A3 (en) * 2007-11-21 2010-01-14 Bosch Mahle Turbo Systems Gmbh & Co. Kg Supercharger device
US8845279B2 (en) 2007-11-21 2014-09-30 Bosch Mahle Turbo Systems Gmbh & Co. Kg Supercharger device
DE102008014678A1 (en) * 2008-03-18 2010-04-15 Continental Automotive Gmbh Turbocharger with a variable turbine geometry VTG
US8727711B2 (en) 2008-03-18 2014-05-20 Continental Automotive Gmbh Turbocharger with a variable turbine geometry VTG
DE102008014678B4 (en) * 2008-03-18 2014-08-14 Continental Automotive Gmbh Turbocharger with a variable turbine geometry VTG

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