WO2013083545A2 - Système de suralimentation - Google Patents

Système de suralimentation Download PDF

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Publication number
WO2013083545A2
WO2013083545A2 PCT/EP2012/074321 EP2012074321W WO2013083545A2 WO 2013083545 A2 WO2013083545 A2 WO 2013083545A2 EP 2012074321 W EP2012074321 W EP 2012074321W WO 2013083545 A2 WO2013083545 A2 WO 2013083545A2
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
compressor housing
section
sections
loading device
Prior art date
Application number
PCT/EP2012/074321
Other languages
German (de)
English (en)
Other versions
WO2013083545A3 (fr
Inventor
Jochen Laubender
Andreas Prang
Florian Rentz
Anton Angelusch
Original Assignee
Bosch Mahle Turbo Systems Gmbh & 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 & Co. Kg filed Critical Bosch Mahle Turbo Systems Gmbh & Co. Kg
Priority to EP12797878.1A priority Critical patent/EP2788629A2/fr
Publication of WO2013083545A2 publication Critical patent/WO2013083545A2/fr
Publication of WO2013083545A3 publication Critical patent/WO2013083545A3/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/023Selection of particular materials especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/024Units comprising pumps and their driving means the driving means being assisted by a power recovery turbine
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • 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
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/17Alloys
    • F05D2300/171Steel alloys
    • 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
    • F05D2300/00Materials; Properties thereof
    • F05D2300/40Organic materials
    • F05D2300/43Synthetic polymers, e.g. plastics; Rubber
    • 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
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/603Composites; e.g. fibre-reinforced

Definitions

  • the present invention relates to a charging device, in particular an exhaust gas turbocharger, with a arranged in a compressor housing
  • the invention further relates to a compressor housing for such a charging device.
  • a charging device usually serves to increase the performance of a
  • the charging device can be designed, for example, as an exhaust-gas turbocharger and serve to increase the power of an internal combustion engine, in particular of a motor vehicle. This drives of the
  • the charging device generally has a turbine housing and a compressor housing, in which the turbine or the compressor are arranged.
  • a bearing housing may be provided in which, for example, said shaft is mounted. While the thermodynamic conditions prevailing at the turbine one from metallic
  • the compressor housing is increasingly made of plastic due to the moderate conditions, in particular to achieve a cost reduction.
  • a compressor housing which is made of plastic.
  • This plastic housing has an inner, the driven fluid, such as air, exposed portion which is made of a thermosetting plastic.
  • this is an interior section Covering outer portion provided, which is made of a thermoplastic.
  • Has metal frame which is embedded in the plastic of the compressor housing to protect the compressor side of the charger and in particular the compressor housing, for example, against deformation due to the heat effects from the turbine side.
  • Compressor housing especially in the mechanically and / or thermally higher loaded areas, be unstable and lead to a shortened life of the charger or an impairment of the performance of the charger.
  • the present invention deals with the problem for a
  • Charging device in particular an exhaust gas turbocharger, preferably an internal combustion engine, an improved or at least alternative
  • the present invention is based on the general idea
  • thermally and / or mechanically higher loaded portions are made of a metallic material, while other portions are made of a plastic.
  • Compressor housing or the entire charging device reached In addition, the production costs are reduced, in particular compared to a compressor housing made entirely of a metallic material.
  • Compressor housing serves to support a compressor of the
  • Charging device in particular a compressor wheel of the compressor, the drive connected to a turbine or a turbine wheel of
  • Charging device is coupled. This coupling is realized for example by a shaft, which may be stored for example in a bearing housing of the charger. Furthermore, the charging device may have a turbine housing in which the turbine, in particular a turbine wheel of the turbine, is mounted.
  • the charging device has said compressor housing, which is designed as a composite component and has at least two interconnected sections, wherein at least one of the sections is made of plastic, while at least one other section is made of the metallic material.
  • the respective sections of the compressor housing can therefore also be referred to as separate components, with adjacent components being connected to one another. In particular, the respective sections of the compressor housing are exposed to the fluid to be driven within the flow path of the fluid.
  • Sections are made with high precision, while less complex sections are made with a lower precision. As a result, the overall manufacturing cost of the compressor housing is lowered.
  • the compressor housing has a wheel section.
  • the wheel section extends at least partially along an axial inlet cross-section of the compressor and a radial
  • Outlet section of the compressor The terms axial and radial are given here with respect to a rotational axis of the compressor wheel.
  • the fluid to be driven for example air
  • the compression takes place, for example, by blades arranged radially on the compressor wheel.
  • the thus compressed fluid can be supplied via a feed such as an internal combustion engine. It prevails in the area between the inlet cross section and the
  • Compressor housing in particular on a side exposed to the fluid to be driven inside the compressor housing, thermally and / or
  • This wheel section of the compressor housing is now made according to the invention of the metallic material and thus has a higher stability and a longer life under the given conditions.
  • the knowledge is used that a corresponding production or reworking of a plastic in a corresponding area is time-consuming and costly. These include, for example, reinforcing the plastic in the corresponding area or material thickening in these areas.
  • the section made of the metallic material and arranged in this area requires no post-processing or complex manufacturing process, so that the total cost of production of the compressor housing can be lowered and the life of the
  • Compressor housing is increased.
  • the wheel section of the compressor in particular the
  • Compressor wheel at least partially enclose. Preferred are
  • the wheel section extends along the entire region from the inlet cross section to the outlet cross section.
  • the compressor housing may have two sections, namely the wheel section made of the metallic material and a further and made of plastic section in the region of the feed channel, which is connected to the wheel section.
  • the metallic material can be any material consisting at least partially of a metal, with materials made of a metal, in particular a light metal, being preferred. As an example of such a light metal be pointed to aluminum. Accordingly, embodiments are preferred in which at least a portion of the compressor housing is made of aluminum.
  • metallic materials are preferred which have at least two different metals. Accordingly, these metallic materials can be alloys, such a metallic material being, for example, steel. In a further preferred embodiment, the
  • Compressor housing alternatively or additionally at least one of a
  • Compressor housing two adjacent sections have a gap. This gap serves in particular the purpose of the adjacent sections in the
  • the gap between the adjacent sections is also at least partially closed with a filler.
  • the filler ensures a seal of the compressor housing, so that the
  • the compressor housing can not leave this column.
  • the filler is elastic.
  • a thermal and / or mechanical stress between two adjacent sections which may be made of two different materials, balanced or at least reduced.
  • the elastic property of the filler can be realized in particular by the fact that the filler is made of an elastic material or at least has an elastic component.
  • the filler additionally acts as a bonding agent, for example as an adhesive
  • the filler may be its final form or
  • the filler may have a liquid property and following the alignment and / or joining of the adjacent sections, for example by evaporation, the final shape and / or the
  • the filler may thus be a grout or silicone or acrylic.
  • Compressor housing is realized in any way.
  • such a connection can be realized by a positive connection of the corresponding sections of the compressor housing.
  • the sections to be joined may be designed or equipped such that they can be screwed together.
  • a section made of plastic can be injection-molded on another section, for example a section made of the metallic material.
  • Fig. 3 is a section through a compressor housing.
  • a charging device 1 which as
  • Exhaust gas turbocharger 1 may be formed, a compressor housing 2, in which a compressor 3, in particular a compressor 4 of the compressor 3, is arranged.
  • the compressor 3 or the compressor wheel 4 is drive-connected by means of a shaft 5 with a turbine of the charging device 1, not shown here, wherein the shaft 5 is mounted in a bearing housing 6 of the charging device 1.
  • the turbine is driven, for example, by an exhaust gas of an internal combustion engine as a driving fluid and transmits this drive by means of the shaft 5 on the Compressor 3.
  • the compressor 3 thus driven compresses approximately air as the fluid to be driven, which can be fed through a feed channel 7 of an internal combustion engine.
  • Compressor 4 given, wherein the axial direction or the axis of rotation is indicated by an arrow 10, while the radial direction perpendicular thereto.
  • the fluid to be driven which is hereinafter referred to as air for the sake of simplicity and example, thus passes through an intake passage 1 1 axially in the inlet cross-section 8 and then flows over the
  • Outlet cross-section 9 radially in the direction of the feed channel. 7
  • the bearing housing 6 may be made of a metal and has a circumferential shoulder 12 which projects the compressor housing 2
  • the compressor housing 2 is formed as a composite component and has at least two interconnected portions 13, 14, wherein the examples shown have two such sections 13, 14.
  • a first section 13 of the compressor housing 2 extends along the intake passage 1 1 and along the flow path from the inlet cross-section 8 to
  • An inner side 15 of the first section 13 facing the compressor wheel 4 has, from the inlet cross-section 8 to the outlet cross-section 9, a complementary shape to an outer contour 16 of the compressor wheel 4 facing the compressor housing 2, so that the inner side 15 of the first section 13 and the outer contour 16 of the turbine 4 between the
  • the Inlet cross-section 8 and the outlet section 9 have a constant distance.
  • the first section 13 can be correspondingly referred to as the wheel section 17 of the compressor housing 2.
  • the wheel section 17 In addition, preferably surrounds the compressor 4 completely, so that the
  • the second section 14 of the compressor housing 2 is further away from the compressor wheel 4 of the compressor 3 than the first section 13.
  • the second section 14 preferably also encloses the compressor wheel 4 along the entire circumference, so that, as can be seen in Fig. 1, the feed channel 7 is at least partially formed by the second portion 14.
  • the first section 13 and the second section 14 of the compressor housing 2 designed as a composite component are consequently exposed on their inner sides 15 facing the compressor wheel 4 to the air and thus to the fluid to be driven.
  • the first section 13 of the compressor housing 2 is exposed to a higher thermal and / or mechanical load than the second section 14. This applies in particular to the respective area exposed to the air and thus to the inside 15 of the first section 13.
  • the first portion 13 is made of a metallic material, while the second portion 14 is made of a plastic.
  • the first portion 13 is thus made of steel or aluminum, for example, while the second portion 14 of a
  • Compressor housing 2 can be realized in any way.
  • the first portion 13 and the second portion 14 each have a toothing 19, wherein the teeth 19 are formed complementary to each other.
  • the toothing 19 'of the first portion 13 and the toothing 19 "of the second portion 14 are Radial teeth 19 ', 19 ", which extend along the circumferential direction, preferably along the entire circumferential direction.
  • the toothing 19 'of the first section 13 and the toothing 19 “of the second section 14 engage one another in a region spaced radially from the outlet opening 9 and adjacent to the feed channel 7 and thus form a positive connection between the first section 13 and the second portion 14.
  • the teeth 19 ', 19 may additionally be fixed to each other by gluing and / or welding and / or riveting.
  • the gears 19 ', 19 can form complementary threads 22', 22" of the first portion 13 and the second portion 14, so that these portions 13, 14 are screwed together.
  • Section 13 and the second section 14 realized differently. Again, the sections 13, 14 each have a toothing 19 ', 19 ", in a the suction channel 1 1 adjacent and radially spaced area
  • first section 13 and the second section 14 are formed complementary to one another in the section shown, so that the second section 14 completely covers the first section 13 on the side facing away from the inner side 15 of the first section 13.
  • the first section 13 and the second section 14 are thus in contact with the entire area shown.
  • a positive connection is given, which can be additionally reinforced by the configuration as a thread 22 and optionally by the bonding and / or riveting and / or welding of the contacting surfaces.
  • FIG. 3 shows a section through the compressor housing 2, in which two sections 13, 14 of the compressor housing 2 can be seen.
  • the two shown and adjacent portions 13, 14 of the compressor housing 2 do not contact each other in the illustrated view, so that between the first portion 13 and the second portion 14, a gap 20 is formed.
  • the gap 20 serves the purpose of connecting the sections 13, 14 when connecting or
  • the gap 20 is at least partially filled after the connection of the sections 13, 14 with a filler 21.
  • the air can not pass through the gap 20 to the outside.
  • a further advantage of the gap 20 is that the sections 13, 14 need not be precisely manufactured in the regions forming the gap 20, which leads to a further cost reduction.
  • the filler 21 is elastic, wherein the filler 21 may have the elastic property after manufacture or after filling of the gap 20.
  • the sections 13, 14 produced from different materials generally have different material properties, in particular different thermal expansion coefficients. This can lead to the formation of a mechanical stress between the sections 13, 14, wherein the elastic filler 21 compensates for this tension or at least reduced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

La présente invention concerne un système de suralimentation (1), en particulier un turbocompresseur à gaz d'échappement (1), de préférence d'un moteur à combustion interne, le système de suralimentation (1) comprenant un compresseur (3) placé dans un carter de compresseur (2). Une réduction du coût de fabrication et un allongement de la durée de vie du carter de compresseur (2) et, par conséquent, du système de suralimentation (1) sont obtenus par le fait que le carter de compresseur (2) est réalisé sous la forme d'une pièce composite et comprend au moins deux parties (13, 14) reliées l'une à l'autre, au moins l'une des parties (13, 14) étant réalisée en une matière plastique et au moins l'une des parties (13, 14) étant réalisée en un matériau métallique. L'invention concerne également un tel carter de compresseur (2) pour un système de suralimentation (1), en particulier un turbocompresseur à gaz d'échappement (1), de préférence d'un moteur à combustion interne.
PCT/EP2012/074321 2011-12-08 2012-12-04 Système de suralimentation WO2013083545A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP12797878.1A EP2788629A2 (fr) 2011-12-08 2012-12-04 Système de suralimentation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011088032.1 2011-12-08
DE102011088032A DE102011088032A1 (de) 2011-12-08 2011-12-08 Ladeeinrichtung

Publications (2)

Publication Number Publication Date
WO2013083545A2 true WO2013083545A2 (fr) 2013-06-13
WO2013083545A3 WO2013083545A3 (fr) 2013-08-01

Family

ID=47297249

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/074321 WO2013083545A2 (fr) 2011-12-08 2012-12-04 Système de suralimentation

Country Status (3)

Country Link
EP (1) EP2788629A2 (fr)
DE (1) DE102011088032A1 (fr)
WO (1) WO2013083545A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013201761A1 (de) * 2013-02-04 2014-08-07 Bosch Mahle Turbo Systems Gmbh & Co. Kg Gehäusebauteil
DE102015221278A1 (de) * 2015-10-30 2017-05-04 Continental Automotive Gmbh Verdichtergehäuse für einen Abgasturbolader

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830071A2 (fr) 2006-03-03 2007-09-05 WOCO Industrietechnik GmbH Boîtier de compresseur en plastique
DE102007048851A1 (de) 2007-10-11 2009-04-16 Robert Bosch Gmbh Optische Anzeigeeinrichtung mit einer Laserlichtquelle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4106614A1 (de) * 1991-03-01 1992-09-03 Kuehnle Kopp Kausch Ag Vorrichtung zur kennlinienstabilisierung fuer radialverdichter
DE102004047103A1 (de) * 2004-09-29 2006-04-13 Bayerische Motoren Werke Ag Turbolader
DE102007009781B4 (de) * 2007-02-27 2009-09-17 Woco Industrietechnik Gmbh Kunststoffverdichtergehäuse sowie Verfahren zu dessen Herstellung
DE102007027282B3 (de) * 2007-06-11 2008-11-13 Woco Industrietechnik Gmbh Kunststoffverdichtergehäuse und Verfahren zur Herstellung eines Kunststoffverdichtergehäuses
DE102007048852B4 (de) * 2007-10-11 2016-02-04 Bosch Mahle Turbo Systems Gmbh & Co. Kg Verdichtergehäuse für den Verdichter eines Turboladers und Verfahren zur Herstellung eines solchen Verdichtergehäuses
DE102007062204A1 (de) * 2007-12-21 2009-09-03 Continental Automotive Gmbh Drallerzeugungsapparat und Turbolader mit einem solchen Drallerzeugungsapparat
JP5145117B2 (ja) * 2008-05-23 2013-02-13 三菱重工業株式会社 圧縮機のハウジング
DE102009010310A1 (de) * 2009-02-24 2010-09-02 Bosch Mahle Turbo Systems Gmbh & Co. Kg Ladeeinrichtung
US9482239B2 (en) * 2009-12-17 2016-11-01 Borgwarner Inc. Die-cast diffuser for a turbocharger
DE102011075449A1 (de) * 2011-05-06 2012-11-08 Bosch Mahle Turbo Systems Gmbh & Co. Kg Abgasturbolader

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1830071A2 (fr) 2006-03-03 2007-09-05 WOCO Industrietechnik GmbH Boîtier de compresseur en plastique
DE102007048851A1 (de) 2007-10-11 2009-04-16 Robert Bosch Gmbh Optische Anzeigeeinrichtung mit einer Laserlichtquelle

Also Published As

Publication number Publication date
WO2013083545A3 (fr) 2013-08-01
EP2788629A2 (fr) 2014-10-15
DE102011088032A1 (de) 2013-06-13

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