EP2280177A3 - Charging device, in particular exhaust gas turbocharger for a motor vehicle - Google Patents

Charging device, in particular exhaust gas turbocharger for a motor vehicle Download PDF

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Publication number
EP2280177A3
EP2280177A3 EP10169668A EP10169668A EP2280177A3 EP 2280177 A3 EP2280177 A3 EP 2280177A3 EP 10169668 A EP10169668 A EP 10169668A EP 10169668 A EP10169668 A EP 10169668A EP 2280177 A3 EP2280177 A3 EP 2280177A3
Authority
EP
European Patent Office
Prior art keywords
shaft
exhaust gas
motor vehicle
compressor wheel
charging device
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
EP10169668A
Other languages
German (de)
French (fr)
Other versions
EP2280177A2 (en
EP2280177B1 (en
Inventor
Thomas Streich
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.)
BMTS Technology GmbH and Co KG
Original Assignee
Bosch Mahle Turbo Systems GmbH and Co KG
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 Bosch Mahle Turbo Systems GmbH and Co KG filed Critical Bosch Mahle Turbo Systems GmbH and Co KG
Publication of EP2280177A2 publication Critical patent/EP2280177A2/en
Publication of EP2280177A3 publication Critical patent/EP2280177A3/en
Application granted granted Critical
Publication of EP2280177B1 publication Critical patent/EP2280177B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/266—Rotors specially for elastic fluids mounting compressor rotors on shafts
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02—Blade-carrying members, e.g. rotors
    • F01D5/025—Fixing blade carrying members on shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/284—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for compressors
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/12—Light metals
    • F05D2300/121—Aluminium
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
    • F05D2300/133—Titanium
    • 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
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/502—Thermal properties
    • F05D2300/5021—Expansivity
    • F05D2300/50212—Expansivity dissimilar

Abstract

Die Erfindung betrifft eine Ladevorrichtung (1), insbesondere einen Abgasturbolader für ein Kraftfahrzeug, mit einer ein Verdichterrad (2) tragenden Welle (3), mit einer Fixiereinrichtung (4) zum Fixieren des Verdichterrades (2) auf der Welle (3), mit zumindest einem auf der Welle (3) und durch die Fixiereinrichtung (4) zusammen mit dem Verdichterrad (2) fixierten Bauelement (5,6,7). Durch geschickte Auswahl von Materialien lässt sich erreichen, dass eine Wärmeausdehnung des Verdichterrades (2) durch den Ausdehnungskoeffizienten (α3)zumindest eines Bauelementes (5,6,7) zumindest teilweise kompensiert werden kann. Dadurch ist es möglich, die anfängliche Spannkraft, mit der die Bauelemente (5,6,7) auf der Welle (3) positioniert bzw. verspannt werden zu erhöhen, ohne dass die für die verspannten Bauelemente (5,6,7) zulässige Flächenpressung überschritten wird.

Figure imgaf001
The invention relates to a charging device (1), in particular an exhaust gas turbocharger for a motor vehicle, having a shaft (3) carrying a compressor wheel (2), with a fixing device (4) for fixing the compressor wheel (2) on the shaft (3) at least one component (5, 6, 7) fixed on the shaft (3) and by the fixing device (4) together with the compressor wheel (2). By skillful selection of materials can be achieved that a thermal expansion of the compressor wheel (2) by the expansion coefficient (α 3 ) of at least one component (5,6,7) can be at least partially compensated. This makes it possible to increase the initial clamping force with which the components (5, 6, 7) are positioned or braced on the shaft (3) without the surface pressure permitted for the braced components (5, 6, 7) is exceeded.
Figure imgaf001
EP10169668.0A 2009-07-31 2010-07-15 Charging device, in particular exhaust gas turbocharger for a motor vehicle Not-in-force EP2280177B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009035629A DE102009035629A1 (en) 2009-07-31 2009-07-31 Charging device, in particular exhaust gas turbocharger for a motor vehicle

Publications (3)

Publication Number Publication Date
EP2280177A2 EP2280177A2 (en) 2011-02-02
EP2280177A3 true EP2280177A3 (en) 2012-01-11
EP2280177B1 EP2280177B1 (en) 2016-03-30

Family

ID=42617406

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10169668.0A Not-in-force EP2280177B1 (en) 2009-07-31 2010-07-15 Charging device, in particular exhaust gas turbocharger for a motor vehicle

Country Status (3)

Country Link
US (1) US20110033282A1 (en)
EP (1) EP2280177B1 (en)
DE (1) DE102009035629A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2467967B (en) * 2009-02-24 2015-04-22 Dyson Technology Ltd Rotor assembly
GB2487921B (en) 2011-02-08 2013-06-12 Dyson Technology Ltd Rotor for a turbomachine
DE102016119233A1 (en) * 2016-10-10 2018-04-12 Ihi Charging Systems International Gmbh Tool for an exhaust gas turbocharger and turbocharger

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019039A (en) * 1956-04-09 1962-01-30 Fairchild Stratos Corp Means for mounting a body on a rotating shaft
DE3039961A1 (en) * 1980-10-23 1982-06-03 Volkswagenwerk Ag, 3180 Wolfsburg Exhaust turbocharger with ceramic turbine shaft - has ceramic shaft connected to metal compressor shaft with radial bearings
US20020001522A1 (en) * 2000-06-28 2002-01-03 Shankar Mukherjee Compressor wheel with prestressed hub and interference fit insert
EP1193370A2 (en) * 2000-09-29 2002-04-03 General Motors Corporation Turbocharger rotor with alignment couplings
EP1467062A2 (en) * 2003-04-08 2004-10-13 General Motors Corporation Turbocharger rotor
EP1803941A1 (en) * 2004-10-19 2007-07-04 Komatsu Ltd Turbo machine, compressor impeller used for turbo machine, and method of manufacturing turbo machine

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60132001A (en) * 1983-12-19 1985-07-13 Ngk Spark Plug Co Ltd Turbine shaft
JP3127471B2 (en) * 1990-12-18 2001-01-22 日立金属株式会社 Low thermal expansion super heat resistant alloy
JP3294491B2 (en) * 1995-12-20 2002-06-24 株式会社日立製作所 Turbocharger for internal combustion engine
JPH09228092A (en) 1995-12-21 1997-09-02 Toyota Central Res & Dev Lab Inc Corrosion resistant iron plating film and plating method
US6171009B1 (en) * 1998-10-20 2001-01-09 Lockheed Martin Corporation Method and apparatus for temperature-stabilizing a joint
US20020128076A1 (en) * 2000-11-02 2002-09-12 Capstone Turbine Corporation Method and apparatus to permit maintenance of tie bolt clamp load for extended temperature ranges
US20030037546A1 (en) * 2001-01-22 2003-02-27 Kapich Davorin D. Hydraulic turbine drive with multi-material wheel
JP4595758B2 (en) * 2005-09-09 2010-12-08 トヨタ自動車株式会社 Turbocharger
JP4755071B2 (en) * 2006-11-20 2011-08-24 三菱重工業株式会社 Exhaust turbocharger
DE102007012641A1 (en) * 2007-03-16 2008-09-18 Daimler Ag Tool for an exhaust gas turbocharger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3019039A (en) * 1956-04-09 1962-01-30 Fairchild Stratos Corp Means for mounting a body on a rotating shaft
DE3039961A1 (en) * 1980-10-23 1982-06-03 Volkswagenwerk Ag, 3180 Wolfsburg Exhaust turbocharger with ceramic turbine shaft - has ceramic shaft connected to metal compressor shaft with radial bearings
US20020001522A1 (en) * 2000-06-28 2002-01-03 Shankar Mukherjee Compressor wheel with prestressed hub and interference fit insert
EP1193370A2 (en) * 2000-09-29 2002-04-03 General Motors Corporation Turbocharger rotor with alignment couplings
EP1467062A2 (en) * 2003-04-08 2004-10-13 General Motors Corporation Turbocharger rotor
EP1803941A1 (en) * 2004-10-19 2007-07-04 Komatsu Ltd Turbo machine, compressor impeller used for turbo machine, and method of manufacturing turbo machine

Also Published As

Publication number Publication date
US20110033282A1 (en) 2011-02-10
EP2280177A2 (en) 2011-02-02
DE102009035629A1 (en) 2011-02-17
EP2280177B1 (en) 2016-03-30

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