EP2365190B1 - Couvercle de carter de palier pour un dispositif de suralimentation - Google Patents

Couvercle de carter de palier pour un dispositif de suralimentation Download PDF

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Publication number
EP2365190B1
EP2365190B1 EP11153225.5A EP11153225A EP2365190B1 EP 2365190 B1 EP2365190 B1 EP 2365190B1 EP 11153225 A EP11153225 A EP 11153225A EP 2365190 B1 EP2365190 B1 EP 2365190B1
Authority
EP
European Patent Office
Prior art keywords
bearing housing
housing cover
region
cover
bearing
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.)
Not-in-force
Application number
EP11153225.5A
Other languages
German (de)
English (en)
Other versions
EP2365190A2 (fr
EP2365190A3 (fr
Inventor
Max Fiedler
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
Priority claimed from DE102010010573A external-priority patent/DE102010010573A1/de
Priority claimed from DE102010025575A external-priority patent/DE102010025575A1/de
Application filed by Bosch Mahle Turbo Systems GmbH and Co KG filed Critical Bosch Mahle Turbo Systems GmbH and Co KG
Publication of EP2365190A2 publication Critical patent/EP2365190A2/fr
Publication of EP2365190A3 publication Critical patent/EP2365190A3/fr
Application granted granted Critical
Publication of EP2365190B1 publication Critical patent/EP2365190B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/24—Manufacture essentially without removing material by extrusion
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/25—Manufacture essentially without removing material by forging
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/26—Manufacture essentially without removing material by rolling

Definitions

  • the present invention relates to a bearing housing cover for a bearing housing of a charging device, in particular for an exhaust gas turbocharger of a motor vehicle. Furthermore, the invention also relates to a bearing housing with such a bearing housing cover and a charging device, which has such a bearing housing cover or such a bearing housing. In addition, the invention relates to a method for producing a, in particular compressor side arranged, bearing housing cover for closing a bearing housing of a charging device.
  • WO 2010/002717 A2 is a generic bearing housing for an exhaust gas turbocharger known.
  • the bearing housing has an opening which can be closed with a bearing housing cover.
  • the compressor housing interior can be delimited or gas-tight against the bearing housing interior by the bearing housing cover.
  • the bearing housing cover can be fixed with a bayonet lock on the bearing housing.
  • the bearing housing cover is further designed such that it supports the shaft sealing rings or piston rings in the installed position.
  • a bearing housing cover for a bearing housing of a charging device wherein the position housing cover is formed of metal and manufactured by means of a forming process.
  • a bearing housing cover is currently with a circumferential annular groove for a sealing body, such. As an O-ring executed.
  • the production of the bearing housing cover thus requires several processing steps and is among other things therefore only constructively complex and expensive to accomplish.
  • the present invention now addresses the problem of providing for a bearing housing cover and a bearing housing an improved or at least one alternative embodiment, which is characterized in particular by a cheap and simplified manufacturing method.
  • the invention is based on the general idea to form the bearing housing cover by means of a forming process as a sheet metal forming component. If the bearing housing cover is produced as a sheet-metal forming component by a forming process, subsequent processing is considerably less complicated or, if appropriate, even completely avoided. As a result, the production of such a bearing housing cover is cheaper and less expensive, so that both process and material costs can be saved.
  • the bearing housing cover has at least one cylindrical fixing region for radially fixing at least one piston ring, or a shaft sealing ring or a bearing ring and is provided with a cylindrical connecting portion for connecting the bearing housing cover to the bearing housing.
  • the connecting region has at least one radial groove for receiving a, in particular bearing housing side, spring for forming a Groove / spring connecting means.
  • the bearing housing cover is also made in one piece from a metal sheet.
  • the invention also relates to a method for producing a bearing housing cover arranged in particular on the compressor side according to claim 1 for closing a bearing housing of a charging device, in which at least a partial region of the bearing housing cover is produced from at least one metal sheet by means of a forming process.
  • a forming process Preferably not only the component geometry are formed by the forming process, but also z. As grooves, holes, fits or the like. Due to the simultaneous formation of various functional elements of the bearing housing cover also a required post-processing of the bearing housing cover is further reduced.
  • Hydroforming deep-drawing, forging, particularly preferably swaging and / or rolling, are preferably used as forming processes.
  • Umform compiler the collar pulling, the everting and / or bending can be used.
  • machining methods such as. B. drilling, are used.
  • a separation process such as. As the punching, cutting and / or shear cutting applied.
  • a massive forming process such. B. use the rolling, extrusion, drawing and / or upsetting. Particularly preferred is the use of several of these previously enumerated methods, as well as other common processing methods for metal sheets.
  • a bearing housing cover 1 has at least one cylindrical fixing region 2 and a disk-like covering region 3. With the cylindrical fixing region 2, at least one piston ring 4, 4 'or a shaft sealing ring or a bearing ring can be fixed in the radial direction.
  • a charging device not shown in the figures generally has a turbine housing on the turbine side, in the interior of which a turbine wheel is arranged and on the compressor side a compressor housing, in the interior of which a compressor wheel is positioned.
  • a bearing housing is arranged, which rotatably supports the shaft of the rotor, which includes the turbine wheel, the compressor wheel and the shaft.
  • the bearing housing is closed on the turbine side and / or compressor side with a bearing housing cover.
  • the bearing housing cover is arranged on the compressor side.
  • the bearing housing cover 1 is oriented with its fixing area 2 to the turbine side or compressor side 6, while the cover 3 is oriented to the bearing housing side 5.
  • the cover 3 is fastened to the bearing housing, also not shown. It can be used as fasteners screws, rivets, press-in bolts, or the like. Likewise, it is conceivable that the covering area 3 is glued to the bearing housing, welded or connected by brazing, caulking, flanging or by Umkragen. Furthermore, the covering region 3 can also have webs, by means of which the covering region 3, 7 can be connected to the bearing housing in the manner of a bayonet closure. Likewise, an attachment of the bearing housing cover 1 to the bearing housing by pressing an edge region 7 of the cover 3 in a bearing housing side groove conceivable.
  • the bearing housing cover 1 having a cylindrical connecting portion 8.
  • the bearing housing cover 1 By means of the connecting region 8, the bearing housing cover 1 can be connected to the bearing housing.
  • the connection area 8 and the fixing area 2 can be made with respect to the cover area 3, as in FIG Fig. 2 shown to be arranged on different sides, so that the fixing region 2 is oriented toward the turbine side or compressor side 6, while the connection region 8 is oriented to the bearing housing side 5.
  • the fixing portion 2 and the connecting portion 8 are oriented toward the bearing case side 6.
  • the bearing housing cover 1 may have a cylindrical fixing area 2 and / or a perforated disk-like covering area 3 and / or a cylindrical connecting area 8.
  • the bearing housing cover 1 according to the invention is formed from a metal sheet.
  • a metal sheet As the material for such a metal sheet all formable steel grades can be used, including bake-hardening sheets. Preferably, aluminum or an aluminum alloy is used as the material. Likewise, the use of investment casting is preferred. However, other metallic materials which are suitable for a forming process can also be used.
  • bake-hardening sheets is meant sheets of a metallic material which undergoes an increase in strength by heating to temperatures of about 200 ° C. In this case, the bake-hardening sheet is formed before heating and hardened by baking (bake) after the forming process.
  • a metal sheet in tailored-blank design is understood to mean a metal sheet which is composed of different material grades and / or sheet thicknesses. This prefabricated semi-finished is then z. B. formed by deep drawing or by other forming processes to the desired bearing housing cover 1. If the bearing housing cover 1 is designed in the manner of a tailored blank construction, then the bearing housing cover 1 can be formed in the correspondingly stressed sections according to the respective loads in these sections. Thus, it is conceivable that the bearing housing cover 1 also performs the function of a heat shield for the bearing housing. In this case, these sections, which are exposed to a high temperature, can be formed from correspondingly temperature-resistant material by means of the tailored-blank construction.
  • the bearing housing cover 1 according to the invention is integrally formed from a metal sheet. But it is also a multi-part design of the bearing housing cover 1 is possible, wherein the individual portions are connected to each other by a connection method after forming the individual sections.
  • a partial area may be, for example, the fixing area 2 and / or the covering area 3 and / or the connecting area 8.
  • a bearing housing cover 1 has in the cover 3 a profiling 9, which is formed in the cover 3 as an annular groove 10.
  • the annular groove 10 extends to a rotation axis 11 in the Fig. 4 not shown shaft in the cover 3 in a constant radial distance from the axis of rotation 11.
  • Such a profiling 9 is used as a radially effective clamping element for bracing the bearing housing cover 1 in the bearing housing.
  • a bearing housing cover 1 such.
  • Such a profiling 9 can also be wave-shaped, wherein the waveform is radial.
  • the profiling 9 forms, together with the connecting region 8, a connecting device 12, by means of which the bearing housing cover 1 can be fastened to the bearing housing.
  • a further embodiment of the connecting device 12 is shown.
  • a radial groove 13 is formed in the connecting region 8 of the bearing housing cover 1 according to the invention.
  • a sealing element 14 can be used, so that the bearing housing cover 1 can be connected by means of the sealing element 14 with the bearing housing.
  • the bearing housing cover 1 is tightly connected to the bearing housing.
  • the sealing element 14 may be formed as a sealing ring, O-ring or the like.
  • the connecting device 12 is formed by the radial groove 13 and the sealing element 14, which are both arranged in the connecting region 8.
  • a spring formed on the bearing housing can engage in the radial groove 13 of the bearing housing cover 1, provided that this is in the installed position.
  • no sealing element 14 in the radial groove Arranged and / or the connecting device 12 is formed in the manner of a tongue and groove connecting device, wherein the connecting device 12 in this case has a arranged in the connecting portion 8 radial groove and a bearing housing side spring.
  • the radial groove 13 is provided with a radially oriented opening.
  • the connecting device 12 can also be designed as a screw connection device or bayonet connection device.
  • an external thread can be arranged in the connection region 8, with which the connection region 8 can be screwed into an internal thread formed on the bearing housing.
  • a bayonet connection means interrupted webs or bulges are formed on the bearing housing cover 1 in the connecting region 8 in the circumferential direction, so that the connecting portion 8 with its webs or bulges in the manner of a bayonet lock with the bearing housing is connectable.
  • a radial groove 13 is conceivable, which is interrupted by arranged in the connecting region 8 longitudinal grooves.
  • webs or bulges of the bearing housing portion can be inserted into the longitudinal grooves and introduced by turning into the radial groove 13.
  • the bearing housing cover 1 with the bearing housing in the manner of a bayonet lock can be fixed.

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

Claims (8)

  1. Couvercle de logement de palier pour un logement de palier d'un dispositif de charge, en particulier pour un turbocompresseur à gaz d'échappement d'un véhicule automobile, dans lequel le couvercle de logement de palier (1) est constitué en métal et est fabriqué au moyen d'un procédé de formage, en particulier au moyen d'un formage à haute pression intérieure (IHU), d'un emboutissage, d'un forgeage ou d'un galetage, dans lequel le couvercle de logement de palier (1) présente au moins une zone de fixation (2) cylindrique pour la fixation radiale d'au moins un segment de piston (4, 4') ou respectivement d'un joint d'arbre ou d'une bague de roulement, et le couvercle de logement de palier (1) est équipé d'une zone de raccordement (8) cylindrique pour le raccordement du couvercle de logement de palier (1) au logement de palier,
    caractérisé en ce que
    - le couvercle de logement de palier (1) est fabriqué d'une pièce à partir d'une tôle métallique,
    - la zone de raccordement (8) présente au moins une rainure radiale (13) pour loger une languette, en particulier côté logement de palier, pour la constitution d'un dispositif de raccordement à languette et rainure.
  2. Couvercle de logement de palier selon la revendication 1,
    caractérisé en ce que
    - le couvercle de logement de palier (1) est en même temps constitué en tant que bouclier thermique, et/ou
    - le couvercle de logement de palier (1) est constitué en aluminium, en pièce moulée de précision ou en tôle d'acier.
  3. Couvercle de logement de palier selon l'une des revendications précédentes,
    caractérisé en ce que
    le couvercle de logement de palier (1) présente une zone de recouvrement (3) de type disque pour le recouvrement d'une zone intérieure du logement de palier.
  4. Couvercle de logement de palier selon la revendication 3,
    caractérisé en ce que
    la zone de raccordement (8) présente au moins une rainure radiale (13) destinée à loger un élément d'étanchéité (14).
  5. Couvercle de logement de palier selon la revendication 3 ou 4,
    caractérisé en ce que
    la zone de recouvrement (3) présente un profilage (9) qui est constitué en tant qu'élément de serrage agissant radialement pour le serrage du couvercle de logement de palier (1) dans le logement de palier.
  6. Logement de palier d'un dispositif de charge avec un couvercle de logement de palier (1), en particulier disposé côté compresseur, selon l'une des revendications précédentes.
  7. Dispositif de charge avec un logement de palier selon la revendication 6.
  8. Procédé de fabrication d'un couvercle de logement de palier (1) selon l'une des revendications précédentes, dans lequel au moins une zone partielle du couvercle de logement de palier (1) est fabriquée au moyen d'un procédé de formage.
EP11153225.5A 2010-03-08 2011-02-03 Couvercle de carter de palier pour un dispositif de suralimentation Not-in-force EP2365190B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010010573A DE102010010573A1 (de) 2010-03-08 2010-03-08 Rumpfgruppe einer Ladeeinrichtung
DE102010025575A DE102010025575A1 (de) 2010-03-08 2010-06-29 Lagergehäusedeckel für eine Ladeeinrichtung

Publications (3)

Publication Number Publication Date
EP2365190A2 EP2365190A2 (fr) 2011-09-14
EP2365190A3 EP2365190A3 (fr) 2011-10-05
EP2365190B1 true EP2365190B1 (fr) 2015-09-09

Family

ID=43608883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11153225.5A Not-in-force EP2365190B1 (fr) 2010-03-08 2011-02-03 Couvercle de carter de palier pour un dispositif de suralimentation

Country Status (1)

Country Link
EP (1) EP2365190B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010010573A1 (de) 2010-03-08 2011-09-08 Bosch Mahle Turbo Systems Gmbh & Co. Kg Rumpfgruppe einer Ladeeinrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265456A (en) * 1979-06-07 1981-05-05 Holset Engineering Company Limited Sealing assembly
JPH1182037A (ja) * 1997-09-02 1999-03-26 Nippon Soken Inc 過給機のオイル漏れ防止装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2646210A (en) * 1951-05-05 1953-07-21 Eberspaecher J Turbocompressor
US4786238A (en) * 1984-12-20 1988-11-22 Allied-Signal Inc. Thermal isolation system for turbochargers and like machines
DE102004023284B4 (de) * 2004-05-11 2014-11-06 Volkswagen Ag Abgasturbolader für eine Brennkraftmaschine mit variabler Turbinengeometrie
DE102004031986B4 (de) * 2004-07-01 2015-05-28 Volkswagen Ag Abgasturbolader für eine Brennkraftmaschine
FR2900975B1 (fr) * 2006-05-12 2008-07-04 Renault Sas Dispositif de protection contre les fuites de turbocompresseur
DE102008000855A1 (de) * 2008-03-27 2009-10-01 Bosch Mahle Turbo Systems Gmbh & Co. Kg Gehäuse für ein thermisch belastetes Bauteil
DE112009001444T5 (de) 2008-07-02 2011-09-29 Borgwarner Inc. Lagergehäuse-Rumpfgruppe eines Abgasturboladers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4265456A (en) * 1979-06-07 1981-05-05 Holset Engineering Company Limited Sealing assembly
JPH1182037A (ja) * 1997-09-02 1999-03-26 Nippon Soken Inc 過給機のオイル漏れ防止装置

Also Published As

Publication number Publication date
EP2365190A2 (fr) 2011-09-14
EP2365190A3 (fr) 2011-10-05

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