WO2019185189A1 - Boîtier de compresseur radial d'un turbocompresseur de gaz d'échappement et procédé de fabrication d'un tel boîtier de compresseur radial - Google Patents

Boîtier de compresseur radial d'un turbocompresseur de gaz d'échappement et procédé de fabrication d'un tel boîtier de compresseur radial Download PDF

Info

Publication number
WO2019185189A1
WO2019185189A1 PCT/EP2019/000065 EP2019000065W WO2019185189A1 WO 2019185189 A1 WO2019185189 A1 WO 2019185189A1 EP 2019000065 W EP2019000065 W EP 2019000065W WO 2019185189 A1 WO2019185189 A1 WO 2019185189A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor housing
connecting piece
radial compressor
central axis
rotation tooth
Prior art date
Application number
PCT/EP2019/000065
Other languages
German (de)
English (en)
Inventor
Dario LAMPERTI
Tomokaza MURAYAMA
Original Assignee
Ihi Charging Systems International Spa
Ihi Corporation
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 Ihi Charging Systems International Spa, Ihi Corporation filed Critical Ihi Charging Systems International Spa
Publication of WO2019185189A1 publication Critical patent/WO2019185189A1/fr

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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • 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
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/51—Inlet
    • 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
    • F05D2250/00—Geometry
    • F05D2250/50—Inlet or outlet
    • F05D2250/52—Outlet
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • 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
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking

Definitions

  • the invention relates to a radial compressor housing of an exhaust gas turbocharger in the
  • the preamble of claim 1 specified type Furthermore, the invention according to claim 9 relates to a method for producing such a radial compressor housing.
  • the coupling element has a radially outward
  • the connecting piece has an anti-rotation tooth arranged radially on the outside of the groove, as a result of which a rotation of the coupling element with respect to the connecting piece is reliably avoided.
  • This arrangement corresponds to a fixed bearing, which does not allow relative movements.
  • centrifugal compressor housing is in one piece with
  • a connecting piece which has a lateral surface
  • locking projections which are arranged in uniform pitch or alternatively in non-uniform pitch along a closed circumferential line on the outside of the connecting piece.
  • the locking projections project radially outwardly from the lateral surface with respect to their central axis.
  • the locking projections are in
  • Anti-rotation is provided for a hose-like gas guide pipe.
  • the pin is inserted into a bore of the connecting piece and perpendicular to the
  • the object of the invention is to provide a radial compressor housing, which in
  • Patent claim 1 solved. Furthermore, the object is achieved by a method for producing such a radial compressor housing with the features of claim 9. Advantageous embodiments with appropriate and non-trivial
  • An inventive radial compressor housing of an exhaust gas turbocharger is integral with a connecting piece, which has a lateral surface
  • the gas guide pipe Projecting lateral surface radially outward, the gas guide pipe can be fixed axially on the connecting piece, without it being another
  • the anti-rotation tooth sets the Gas guide pipe in the circumferential direction fixed, so that the same can not be mounted twisted and remains fixed during ferry operation.
  • the connecting piece and the lateral surface are arranged coaxially to the central axis and that the anti-rotation tooth, starting from a Cijlansch procedure a 6.3flansches for a gas guide pipe in the direction of the Aufsteck bamboo extends parallel to the central axis.
  • the abutment flange surface in particular with a shell end mill, provision can be made for the abutment flange surface to lie in a plane perpendicular to the central axis.
  • the anti-rotation tooth has a tooth head surface which extends at a constant radial distance from the central axis over the entire length of the anti-rotation tooth in the direction of the abutment flange and merges into the outer surface thereof without offset.
  • this outer surface and the Zahnkopf measurements can be made both with the roll surface of the Shell end mill in a single operation or the outer surface and the Zahnkopf measurements are already in the prototyping of
  • Radial compressor housing manufactured and not machined. On a machining of these two surfaces can be omitted in particular if they do not come to rest on the gas guide pipe, so that the surfaces do not form functional surfaces and coarse Gusstoleranzen are sufficiently accurate.
  • a production by means of a milling cutter or Walzenfrirners can be done inexpensively in one operation, if it is provided that the anti-rotation tooth from its Zahnkopf Design starting in both circumferential directions on machined concave surfaces in a likewise machined further surface of the lateral surface and that both the concave surfaces as well as the further surface the 6.3flansch Structure connected via a tool conditionally consistent radius.
  • the surface of the lateral surface between the anti-rotation tooth and the plug-on aid has a plurality of successive grooves, with which the maintenance of a plugged on the connecting piece gas guide pipe is improved.
  • the gas guide pipe may also have grooves on the inside thereof, which correspond to the grooves on the connecting piece, so that the
  • This positive connection can be further improved by the gas guide tube is pressed by means of a clamp against the connecting piece, which is placed on the gas guide pipe and tensioned.
  • the Aufsteck Vietnamese can be positively connected to the gas guide pipe by the Radialver Whyrgephaseuse is provided that the Aufsteck Vietnamese tapers from an area with their maximum outer diameter in directions on the abutment flange.
  • the gas-guiding pipeline can have a corresponding annular groove on the inner side of the tube, into which the plug-in aid engages.
  • Radial compressor housing on the inlet side to be dispensed with grooves, since on the inlet side, the loads are less by the fresh gas flow than on the
  • the connecting piece is a first connection piece, which is associated with the outlet side of the fresh gas stream, which is assigned to the inlet side, a further connecting piece, which is another
  • the invention relates to a cost effective method for
  • Connecting stub is guided around the connecting piece, so that at the same time a ganflansch configuration to create a gas guide pipe and a lateral surface of the connecting piece are machined, and that a narrow To connect the area of the lateral surface two concave surfaces, also from the
  • Shell end mills are machined and form the lateral surfaces of the anti-rotation tooth.
  • a further shortening of the processing time can be achieved by providing that the shell end mill in a first method step for producing the first concave surface of the anti-rotation tooth in the direction of the
  • Connecting neck is guided and that the shell end mill is guided around the central axis in a second process step for producing the abutment flange and that the shell end mill is guided in a direction away from the connecting flange in a third method step for producing the second concave surface of the anti-rotation tooth.
  • FIG. 1 is a perspective view of an inventive radial compressor housing with two connecting pieces
  • Fig. 2 in a perspective view of a gas guide pipe, suitable for mounting on a connecting piece of the centrifugal compressor housing like.
  • Fig. 1 in a perspective view of a gas guide pipe, suitable for mounting on a connecting piece of the centrifugal compressor housing like.
  • Fig. 3 in a half-section along a central axis a connecting piece of the centrifugal compressor housing like. Fig. 1 with a same processing
  • FIG. 5 like in a detail view of the connecting piece. Fig. 1, Fig. 3 and Fig. 4, and
  • Fig. 6 is a plan view of an alternative embodiment of the gas guide duct.
  • Fig. 1 shows a perspective view of a radial compressor housing 2, within which a not-shown compressor wheel of an exhaust gas turbocharger is rotatably arranged.
  • the turbocharger is for a example as
  • Hubkolbenmaschine trained internal combustion engine provided and includes in a conventional manner a turbine with a turbine wheel, which via a shaft with the
  • Compressor is connected such that the compressor rotates at the speed of the turbine wheel, the blades are arranged in the exhaust stream of the engine. Thus, a fresh gas can be compressed by the compressor wheel.
  • the centrifugal compressor housing 2 comprises a first connecting piece 4, which extends tangentially starting from a spiral housing part 6 from the same.
  • the radial compressor housing 2 comprises a further connecting piece 8, which opens centrally into the spiral housing part 6 and which is associated with an inlet side 10 of the radial compressor housing 2. From the inlet side 10, the fresh gas of a fresh gas flow is guided via a spiral channel within the spiral housing part 6 to the first connection port 4, which is thus associated with an outlet side 12.
  • the two connecting pieces 4, 8 are arranged coaxially with each of a central axis 14 and 16 respectively.
  • the following statements "axial” and "radial” refer to the respective associated central axis 14 and 16, respectively.
  • substantially tubular gas guide pipe 18 is provided which has a connecting piece 20 which is pushed onto the respective connecting piece 4 and 8 respectively.
  • the gas guide pipe 18 is clamped by a clamp radially against the connecting piece 4 and 8 and has on the inside a recess 19 for receiving a Vermostechnischszahns 42 and 44, which is apparent from Fig. 1.
  • Radial compressor housing 2 of the exhaust gas turbocharger in one piece with two Aufsteck bamboon 22, 24, which are arranged at the end portions 26, 28 of the connecting piece 4, 8,
  • the assembly or attaching of the gas guide pipe 18 to the connecting stub 4 or 8 is facilitated by the plug-in aid 22 or 24 being directed towards the end 32 and 33, respectively
  • the plug-in aid 22 or 24 has a region 34 (FIG. 3) which protrudes radially outward from the lateral surface 27 or 30 and which engages in a non-illustrated corresponding inner ring groove on the inside of the gas guide pipe 18.
  • the Aufsteck crafting 22 and 24 tapers, starting from the area 34 maximum
  • Radial compressor housing 2 is associated. Starting from the abutment flange surface 36 for the gas guide pipe 18, the anti-rotation tooth 42 or 44 extends in the direction of the end 32 or 33 parallel to the central axis 14 and 16, respectively.
  • the respective anti-rotation tooth 42 and 44 is in one piece with the
  • Radial compressor housing 2 projects from a portion of an annular circumferential narrow surface 60 and 62 outward, which is part of the lateral surface 30 and 27 respectively.
  • the annular circumferential surface 60 and 62 is in lateral
  • the concave surfaces 56 and 58 lead to a Zahnkopf Chemistry 45 and 46, which extends at a constant radial distance from the central axis 14 and 16 over the entire length of the anti-rotation tooth 42 and 44 in the direction of the abutment flange 38 and 40 and without sales the outer surface 48 and 50 passes.
  • This also machined surface 60 is the lateral surface 30 associated and has at the border to the remaining surface of the lateral surface 30 a paragraph.
  • Anti-rotation teeth 42, 44 are produced in one operation with a shell end mill 52, which is described below in FIGS. 3 and 4 on the basis of the outlet side
  • Connecting stub 4 is representative of the two connecting pieces 4, 8 is shown.
  • one of a spindle, not shown, a machine tool driven rotating Walzenfrom end mill 52 is guided at a constant radial distance from the central axis 16 of the connecting piece 4 to the connecting piece 4. Consequently, at the same time the abutment flange surface 36 of the radial compressor housing 2 and the narrow surface 60 of the lateral surface 27 of the connecting piece 4 are machined.
  • the abutment flange surface 36 is machined by the front-end milling part 68 of the end mill cutter 52, whereas the annular peripheral surface 62 is machined by the peripheral milling part 70 of the end mill cutter 52.
  • the cylindrical end mill 52 In order for the cylindrical end mill 52 to be able to produce the narrow surfaces 60, 62 surrounding the central axis 14 and 16, each with a diameter D1 smaller than the maximum outer diameter D2 of the slip-on aids 22, 24, the cylindrical end mill 52 has an outer diameter D3 which is bigger than his
  • the shell end mill 52 is guided in the direction of the connecting piece 4 in a first method step for producing the concave surface 58, which forms the first lateral surface of the anti-rotation tooth 44.
  • the shell end mill 52 is guided radially from the outside in the direction of the central axis 16 until it has reached a starting position.
  • Shell end mill 52 to lead on an oblique travel from the outside to the starting position.
  • the shell end milling cutter 52 As soon as the shell end milling cutter 52 has reached the starting position, it is moved in a transverse direction in a second method step according to FIG. 4, which is defined by two dimensions transversely to the central axis 16.
  • the shell end milling cutter 52 is guided around the central axis 16 in order to produce the abutment flange surface 36. Subsequently, the shell end milling cutter 52 is used in a third method step for producing the second concave surface 56 of the
  • Anti-rotation tooth 44 in the radially from the central axis 16 of the
  • Fig. 6 shows in a plan view an alternative embodiment of
  • Anti-rotation tooth 42 and 44 provided a slot, so that the correct engagement of the anti-rotation tooth 42 and 44 after assembly can still be controlled. Also in this alternative embodiment is analogous to that shown in FIG.
  • Gas guide pipe provided a clamp with which the elastically deformable, tubular gas guide pipe is pressed radially against the connecting piece.
  • Joint is also smooth, can be dispensed with a paragraph to the annular circumferential narrow surface 60, so that the lateral surface 30 is uniform.

Landscapes

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

Abstract

L'invention concerne un boîtier de compresseur radial (2) d'un turbocompresseur de gaz d'échappement et un procédé de fabrication d'un tel boîtier de compresseur radial (2). Le boîtier de compresseur radial (2) d'un turbocompresseur de gaz d'échappement est réalisé d'un bloc avec - un support de connexion (4 ; 8) qui comporte une surface de gaine (27 ; 30), - une dent anti-rotation (42 ; 44) qui fait saillie vers l'extérieur en partant de la surface de gaine (27 ; 30) et - une aide au montage (22 ; 24) qui circule à une zone d'extrémité (26 ; 28) du support de connexion (4 ; 8) autour de son axe central (14 ; 16) et qui s'amincit au moins par endroits en direction de l'extrémité (32 ; 33) du support de connexion (4 ; 8) s'éloignant du boîtier de compresseur radial (2). Selon l'invention, l'aide au montage (22 ; 24) comporte une zone (34) qui fait saillie radialement vers l'extérieur en partant de la surface de gaine (27 ; 30).
PCT/EP2019/000065 2018-03-29 2019-03-05 Boîtier de compresseur radial d'un turbocompresseur de gaz d'échappement et procédé de fabrication d'un tel boîtier de compresseur radial WO2019185189A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018107581.2A DE102018107581A1 (de) 2018-03-29 2018-03-29 Radialverdichtergehäuse eines Abgasturboladers und Verfahren zur Herstellung eines solchen Radialverdichtergehäuses
DE102018107581.2 2018-03-29

Publications (1)

Publication Number Publication Date
WO2019185189A1 true WO2019185189A1 (fr) 2019-10-03

Family

ID=65729278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/000065 WO2019185189A1 (fr) 2018-03-29 2019-03-05 Boîtier de compresseur radial d'un turbocompresseur de gaz d'échappement et procédé de fabrication d'un tel boîtier de compresseur radial

Country Status (2)

Country Link
DE (1) DE102018107581A1 (fr)
WO (1) WO2019185189A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341773A (en) * 1993-11-04 1994-08-30 Ford Motor Company Joint for an automative air induction system
US6193463B1 (en) * 1999-06-30 2001-02-27 Alliedsignal, Inc. Die cast compressor housing for centrifugal compressors with a true volute shape
DE102008027204A1 (de) 2008-06-06 2009-12-10 Bayerische Motoren Werke Aktiengesellschaft Schlauchkupplung
DE102016223355A1 (de) 2016-02-09 2017-08-10 Volkswagen Aktiengesellschaft Verbindungsvorrichtung
WO2017212297A1 (fr) * 2016-06-10 2017-12-14 Valeo Air Management Uk Limited Compresseur de suralimentation électrique pourvu d'un ensemble compresseur centrifuge

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5341773A (en) * 1993-11-04 1994-08-30 Ford Motor Company Joint for an automative air induction system
US6193463B1 (en) * 1999-06-30 2001-02-27 Alliedsignal, Inc. Die cast compressor housing for centrifugal compressors with a true volute shape
DE102008027204A1 (de) 2008-06-06 2009-12-10 Bayerische Motoren Werke Aktiengesellschaft Schlauchkupplung
DE102016223355A1 (de) 2016-02-09 2017-08-10 Volkswagen Aktiengesellschaft Verbindungsvorrichtung
WO2017212297A1 (fr) * 2016-06-10 2017-12-14 Valeo Air Management Uk Limited Compresseur de suralimentation électrique pourvu d'un ensemble compresseur centrifuge

Also Published As

Publication number Publication date
DE102018107581A1 (de) 2019-10-02

Similar Documents

Publication Publication Date Title
EP0345373A1 (fr) Boulon
DE2445041A1 (de) Wellenkupplung insbesondere fuer gasturbinenstrahltriebwerke
EP1231390A2 (fr) Elément de fixation comprenant une vis et un élément de support monté imperdable dessus
DE4000403A1 (de) Werkzeug zur bearbeitung von bohrungen
EP2874771A1 (fr) Mandrin de perçage
DE102011053012A1 (de) Schneidring-Vormontagegerät für Rohrverschraubungen
EP1378207B1 (fr) Pièce à main medicale ou dentaire avec un bouton-poussoir pour le désaccouplement d'un outil
EP0631081B1 (fr) Dispositif de connexion pour conduites avec collier de serrage fendu
EP3524781A1 (fr) Dispositif de raccordement pour une aube réglable d'une turbine à gaz
WO2019072408A1 (fr) Rotor d'un turbocompresseur à gaz d'échappement, turbocompresseur à gaz d'échappement et procédé d'équilibrage d'un ensemble tournant pour un turbocompresseur à gaz d'échappement
WO2019185189A1 (fr) Boîtier de compresseur radial d'un turbocompresseur de gaz d'échappement et procédé de fabrication d'un tel boîtier de compresseur radial
WO2007036286A1 (fr) Carter pour un element d'une installation de gaz d'echappement et procede pour realiser un carter de ce type
EP2336495B1 (fr) Turbosoufflante de gaz d'échappement
DE10230725A1 (de) Baugruppe aus zylindrischem Gasgenerator, Gehäuse und Halteteil
WO2021122821A1 (fr) Pièce d'outil destinée à se raccorder à une contre-pièce d'outil, contre-pièce d'outil destinée à se raccorder à une pièce d'outil, et outil
DE102020104692A1 (de) Spitzenloses schleifen durch aufbringen einer spiralförmigen windung auf axiale nuten
DE10013706C1 (de) Vorrichtung zur Anbringung eines luftführenden Leitungselements an einem Luftfilterelement
EP1391619B1 (fr) Joint à rotule
EP2474767B1 (fr) Elément de liaison pour un agencement de conduite
DE4116384A1 (de) Form-schneidwerkzeug
EP1427625B1 (fr) Soupape a tiroir rotatif pour systemes de direction assistee
EP2176099B1 (fr) Capot de protection
DE102024000570A1 (de) Lenkungsanordnung mit Schraubenführung für ein Fahrzeug
DE202023100953U1 (de) Gehäuseanordnung
DE19957640C2 (de) Verbindungsvorrichtung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19710281

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 19710281

Country of ref document: EP

Kind code of ref document: A1