FR2924482A3 - Turbo and exhaust conduit connecting device for exhaust line, has element partially introduced in turbo, other element partially introduced in exhaust conduit, and clamping collar integrating elements - Google Patents
Turbo and exhaust conduit connecting device for exhaust line, has element partially introduced in turbo, other element partially introduced in exhaust conduit, and clamping collar integrating elements Download PDFInfo
- Publication number
- FR2924482A3 FR2924482A3 FR0759512A FR0759512A FR2924482A3 FR 2924482 A3 FR2924482 A3 FR 2924482A3 FR 0759512 A FR0759512 A FR 0759512A FR 0759512 A FR0759512 A FR 0759512A FR 2924482 A3 FR2924482 A3 FR 2924482A3
- Authority
- FR
- France
- Prior art keywords
- turbo
- intended
- exhaust
- partially introduced
- elements
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/10—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of charging or scavenging apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
Description
DISPOSITIF DE LIAISON DE DEUX PIECES L'invention concerne un dispositif de liaison de deux pièces. Elle concerne en particulier un dispositif de liaison de deux pièces destinées à être parcourues par un fluide. The invention relates to a device for connecting two parts. It relates in particular to a device for connecting two parts intended to be traversed by a fluid.
L'invention trouve une application particulière dans le domaine de l'automobile. Elle peut être utilisée pour lier deux pièces telles qu'un turbocompresseur et un conduit de gaz d'échappement que l'on place à la sortie d'un tel turbo. The invention finds particular application in the field of the automobile. It can be used to link two parts such as a turbocharger and an exhaust pipe that is placed at the exit of such a turbo.
Lorsque deux pièces sont destinées à être assemblées la conception d'une des pièces peut influer sur la conception de l'autre pièce. C'est le cas par exemple pour les turbocompresseurs et pour les conduits d'échappement que l'on fixe à la sortie du turbo. Il existe plusieurs types de conduits d'échappement que l'on place en sortie du turbo. Cette diversité induit de développer un grand nombre de turbos car pour chaque conduit l'interface, encore appelé bride de fixation, entre le turbo et le conduit d'échappement est différente. Ces étapes de développement supplémentaires sont consommatrices de temps. When two pieces are to be assembled the design of one part may affect the design of the other part. This is the case for example for turbochargers and exhaust ducts that are fixed at the exit of the turbo. There are several types of exhaust ducts that are placed at the outlet of the turbo. This diversity induces the development of a large number of turbos because for each conduit the interface, also called clamp, between the turbo and the exhaust duct is different. These additional development steps are time consuming.
On souhaite donc conserver la forme du turbo, et en particulier la forme de l'interface entre le turbo et le conduit d'échappement, quelque soit la forme du conduit d'échappement et ne pas avoir à redessiner un nouveau turbo pour chaque conduit d'échappement différent. We therefore want to maintain the shape of the turbo, and in particular the shape of the interface between the turbo and the exhaust duct, whatever the shape of the exhaust duct and not having to redraw a new turbo for each duct. different exhaust.
En outre, aujourd'hui l'assemblage du turbo et du conduit d'échappement est réalisé par des opérateurs à l'aide de vis en utilisant des visseuses - 2 automatiques. La géométrie du turbo, du conduit d'échappement et de leurs brides de fixation respectives rendent difficile l'accès à la zone de fixation. In addition, today the assembly of the turbo and the exhaust duct is performed by operators using screws using automatic screwdrivers. The geometry of the turbo, the exhaust duct and their respective fastening flanges make it difficult to access the fastening area.
On cherche donc une solution permettant l'assemblage du turbo et du conduit d'échappement plus aisé avec une meilleure accessibilité pour la fixation. We are therefore looking for a solution allowing the assembly of the turbo and exhaust duct easier with better accessibility for fixing.
Un but de l'invention est de résoudre les problèmes de l'art antérieur en proposant un dispositif de liaison permettant de ne pas redévelopper une première pièce, lorsque les caractéristiques d'un autre pièce à laquelle la première pièce doit être assemblée changent, et permettant également un assemblage facile des deux pièces. An object of the invention is to solve the problems of the prior art by proposing a connecting device for not redeveloping a first part, when the characteristics of another part to which the first part must be assembled change, and also allowing easy assembly of both parts.
L'invention propose donc un dispositif de liaison d'une première et d'une seconde pièce, caractérisé en ce que le dispositif comporte: - un premier élément destiné à être partiellement introduit dans la première pièce à lier et - un second élément distinct du premier élément et destiné à être partiellement introduit dans la deuxième pièce à lier à la première, chaque élément comportant une partie destinée à faire saillie à l'extérieur de chaque pièce à lier et - un moyen de solidarisation du premier élément au deuxième élément. Selon d'autres caractéristiques prises séparément ou en combinaison: - chaque élément comporte une portion cylindrique destinée à être introduite dans la première pièce ou dans la seconde pièce, - la portion cylindrique comporte une surface externe filetée, - chaque élément comporte une première portion annulaire formant butée s'étendant radialement à partir de la surface externe filetée de la portion cylindrique, - 3 - chaque élément comporte une deuxième portion annulaire s'étendant radialement à partir de la première portion annulaire. - chaque élément définit un évidement interne destiné au passage de moyens d'entraînement en rotation des éléments, - le moyen de solidarisation des éléments comporte un collier de serrage destiné à venir coiffer les deuxièmes portions annulaires de chacun des éléments. The invention thus proposes a device for connecting a first and a second part, characterized in that the device comprises: a first element intended to be partially inserted into the first part to be bonded and a second element distinct from the first element and intended to be partially introduced into the second part to be connected to the first, each element having a portion intended to project outside each part to be bonded and - a means for securing the first element to the second element. According to other characteristics taken separately or in combination: each element comprises a cylindrical portion intended to be introduced into the first part or the second part; the cylindrical portion comprises a threaded outer surface; each element comprises a first annular portion. forming an abutment extending radially from the threaded outer surface of the cylindrical portion, each element comprises a second annular portion extending radially from the first annular portion. each element defines an internal recess intended for the passage of means for driving the elements in rotation, the means for securing the elements comprises a clamping collar intended to cover the second annular portions of each of the elements.
L'invention concerne également un agencement comportant une première et une seconde pièce caractérisé en ce qu'il comporte un dispositif tel que défini ci-dessus. Dans cet agencement, le premier élément peut être un turbo et le deuxième élément peut être un conduit d'échappement comportant chacun une paroi taraudée de réception d'une portion du premier ou du deuxième élément. The invention also relates to an arrangement comprising a first and a second part characterized in that it comprises a device as defined above. In this arrangement, the first element may be a turbo and the second element may be an exhaust duct each having a threaded wall for receiving a portion of the first or second element.
L'invention concerne enfin une ligne d'échappement comportant un agencement tel que défini ci dessus. The invention finally relates to an exhaust line comprising an arrangement as defined above.
D'autres avantages et caractéristiques de la présente invention apparaîtront à la lecture de la descriptions détaillée d'un mode de réalisation, non limitatif, faite en références aux figures sur lesquelles: - la figure 1 est une vue de face d'un turbocompresseur et d'un conduit d'échappement assemblés grâce à un dispositif selon l'invention, - la figure 2 est une vue en perspective éclatée d'un turbocompresseur, du dispositif de liaison selon l'invention et du conduit d'échappement la figure 3 est une coupe de la figure 1 selon la ligne A-A. -4 On a représenté à la figure 1 un turbocompresseur 5 comportant un turbo 7, destiné à récupérer la puissance des gaz d'échappement en provenance d'un moteur à combustion interne, et un compresseur 9 lié au turbo 7 et destiné à comprimer les gaz frais aspirés par un moteur à combustion interne. Le turbo 7 est lié à un conduit 11 destiné à évacuer les gaz d'échappement produits par un moteur à combustion interne par l'intermédiaire du dispositif de liaison 13. Other advantages and characteristics of the present invention will appear on reading the detailed description of a nonlimiting embodiment, given with reference to the figures in which: FIG. 1 is a front view of a turbocharger and of an exhaust duct assembled by means of a device according to the invention, - Figure 2 is an exploded perspective view of a turbocharger, the connecting device according to the invention and the exhaust duct Figure 3 is a section of Figure 1 along line AA. FIG. 1 shows a turbocharger 5 comprising a turbo 7 intended to recover the power of the exhaust gases coming from an internal combustion engine, and a compressor 9 connected to the turbo 7 and intended to compress the fresh gas sucked by an internal combustion engine. The turbo 7 is connected to a duct 11 intended to evacuate the exhaust gases produced by an internal combustion engine via the connecting device 13.
La figure 2 est une vue éclatée des différents éléments du dispositif de liaison 13. Le dispositif de liaison 13 selon l'invention comporte deux éléments 23, 24 destinés à être partiellement introduits respectivement dans le turbo 7 et dans le conduit 11. Chaque élément 23 et 24 comporte une portion cylindrique 20 filetée sur sa surface extérieure. Un évidement 20a est défini dans chaque portion cylindrique 20. Chaque élément 23 et 24 comporte également une première portion annulaire 27 s'étendant radialement à partir de la surface externe filetée de la portion cylindrique 20 et une deuxième portion annulaire 21 s'étendant radialement à partir de la surface externe de la première portion annulaire 27. La première portion annulaire 27 et la deuxième portion annulaire 21 définissent un évidement interne 29 de forme hexagonale. Cet évidement 29 est destiné au passage de moyens d'entraînement en rotation des éléments 23 et 24. Le diamètre externe de chaque portion cylindrique filetée 20 est fonction de la pièce avec laquelle la portion cylindrique 20 est destiné à coopérer. FIG. 2 is an exploded view of the various elements of the connecting device 13. The connecting device 13 according to the invention comprises two elements 23, 24 intended to be partially introduced respectively into the turbo 7 and the duct 11. Each element 23 and 24 has a cylindrical portion 20 threaded on its outer surface. A recess 20a is defined in each cylindrical portion 20. Each element 23 and 24 also comprises a first annular portion 27 extending radially from the threaded outer surface of the cylindrical portion 20 and a second annular portion 21 extending radially to from the outer surface of the first annular portion 27. The first annular portion 27 and the second annular portion 21 define an internal recess 29 of hexagonal shape. This recess 29 is intended for the passage of rotating drive means of the elements 23 and 24. The outer diameter of each threaded cylindrical portion 20 is a function of the part with which the cylindrical portion 20 is intended to cooperate.
Le dispositif de liaison 13 selon l'invention comporte un moyen de solidarisation 26 des éléments 23 et 24. Dans le mode de réalisation des figures 2 et 3, ce moyen de maintien comporte un collier de serrage 26. Ce collier de serrage 26 a une section axiale en forme de U et est destiné à venir coiffer les deuxièmes portions annulaires 21 de chacun des éléments 23 et -5 24. Chaque extrémité 26a, 26b du collier de serrage 26 définit un trou taraudé (non visible sur les figures) destiné au passage d'une vis de serrage 31. The connecting device 13 according to the invention comprises a securing means 26 of the elements 23 and 24. In the embodiment of Figures 2 and 3, this holding means comprises a clamping collar 26. This clamp 26 has a U-shaped axial section and is intended to cap the second annular portions 21 of each of the elements 23 and -5 24. Each end 26a, 26b of the clamping collar 26 defines a threaded hole (not visible in the figures) for the passage of a clamping screw 31.
Le dispositif de liaison selon l'invention comporte en outre des joints d'étanchéité annulaires 25. Chaque joint d'étanchéité 25 est destiné à être interposé respectivement entre l' éléments 23 et le turbo 7 et entre l'élément 24 et le conduit d'échappement 11. Le diamètre interne du joint 25 correspond sensiblement au diamètre externe de la portion cylindrique 20 avec laquelle il est destiné à coopérer. The connecting device according to the invention further comprises annular seals 25. Each seal 25 is intended to be interposed respectively between the elements 23 and the turbo 7 and between the element 24 and the duct. Exhaust 11. The inner diameter of the seal 25 substantially corresponds to the outer diameter of the cylindrical portion 20 with which it is intended to cooperate.
La figure 3 est une vue en coupe de la figure 1 et va permettre de décrire l'assemblage du turbo 7 et du conduit 11 à l'aide des éléments 23 et 24 et du collier de serrage 26. Comme on peut le voir sur cette figure, le turbo 7 comporte une surface interne taraudée 7a destinée à coopérer avec le dispositif selon l'invention. De même, le conduit d'échappement 11 comporte une surface interne taraudée 11 a destinée à coopérer avec le dispositif selon l'invention . 20 Lorsqu'un opérateur désire fixer un conduit d'échappement 11 à un turbo 7, il met tout d'abord en place un joint d'étanchéité 25 sur la surface externe 20 de l'élément 23. Il visse ensuite à l'aide d'un outil approprié l'élément 23 dans la portion taraudée 7a du turbo 7. La portion cylindrique filetée 20 de 25 l'élément 23 s'introduit donc dans le turbo 7. La paroi radiale externe de la première portion annulaire 27 de l'élément 23 vient alors comprimer le joint 5 contre la paroi radiale externe de la portion taraudée 7a du turbo 7. L'opérateur met ensuite en place un autre joint d'étanchéité 5 sur la surface externe 20 de l'élément 24. Il visse ensuite à l'aide d'un outil approprié15 -6 l'élément 24 dans la portion taraudée 11 a du conduit d'échappement 11. La portion cylindrique filetée 20 de l'élément 24 s'introduit donc dans le conduit d'échappement 11. La paroi radiale externe de la première portion annulaire 27 de l'élément 24 vient alors comprimer le joint 5 contre la paroi radiale externe de la portion taraudée 11 a du conduit d'échappement 11. L'opérateur met ensuite en contact les surfaces radiales externe 21a des éléments 23 et 24. Il installe ensuite le collier 26 au dessus de chaque deuxième portion annulaire 21 de chaque élément 23 et 24. Comme on peut le voir sur la figure 3, le collier 26 à une section axiale en forme de U. Chaque branche du U vient se positionner au dessus de chaque deuxième portion annulaire 21 de chacun des éléments 23 et 24. Chacune des portions annulaires 21 fait alors saillie à l'extérieur du turbo 7 ou du conduit d'échappement 11. Puis, l'opérateur visse la vis 31 ce qui provoque la compression du collier de serrage et la solidarisation de éléments 23 et 24. Le turbocompresseur 7 est ainsi lié au conduit d'échappement 11. FIG. 3 is a sectional view of FIG. 1 and will make it possible to describe the assembly of the turbo 7 and the duct 11 using the elements 23 and 24 and the clamping collar 26. As can be seen on this Figure, the turbo 7 has a threaded internal surface 7a for cooperating with the device according to the invention. Similarly, the exhaust duct 11 has a threaded inner surface 11a intended to cooperate with the device according to the invention. When an operator wishes to fix an exhaust duct 11 to a turbo 7, he first places a gasket 25 on the outer surface 20 of the element 23. of an appropriate tool element 23 in the threaded portion 7a of the turbo 7. The threaded cylindrical portion 20 of the element 23 is thus introduced into the turbo 7. The outer radial wall of the first annular portion 27 of the element 23 then compresses the seal 5 against the outer radial wall of the threaded portion 7a of the turbo 7. The operator then sets up another seal 5 on the outer surface 20 of the element 24. It screws then with the aid of a suitable tool -6 the element 24 in the threaded portion 11a of the exhaust duct 11. The threaded cylindrical portion 20 of the element 24 is introduced into the exhaust duct 11 The outer radial wall of the first annular portion 27 of the element 24 then comes s compressing the seal 5 against the outer radial wall of the threaded portion 11a of the exhaust duct 11. The operator then contacts the outer radial surfaces 21a of the elements 23 and 24. He then installs the collar 26 above each second annular portion 21 of each element 23 and 24. As can be seen in Figure 3, the collar 26 has a U-shaped axial section. Each leg of the U is positioned above each second annular portion 21 of each of the elements 23 and 24. Each of the annular portions 21 then protrudes outside the turbo 7 or the exhaust duct 11. Then, the operator screws the screw 31 which causes compression of the clamp and the fastening elements 23 and 24. The turbocharger 7 is thus connected to the exhaust duct 11.
Grâce au dispositif selon l'invention, le turbo 7 et le conduit d'échappement 11 n'ont plus besoin d'être équipés de bride de fixation. Si la forme d'une des pièces change, seule certaines caractéristiques du dispositif selon l'invention changent, par exemple le diamètre externe de la portion cylindrique 20. Thanks to the device according to the invention, the turbo 7 and the exhaust duct 11 no longer need to be equipped with a fixing flange. If the shape of one of the parts changes, only certain characteristics of the device according to the invention change, for example the external diameter of the cylindrical portion 20.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0759512A FR2924482A3 (en) | 2007-12-03 | 2007-12-03 | Turbo and exhaust conduit connecting device for exhaust line, has element partially introduced in turbo, other element partially introduced in exhaust conduit, and clamping collar integrating elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0759512A FR2924482A3 (en) | 2007-12-03 | 2007-12-03 | Turbo and exhaust conduit connecting device for exhaust line, has element partially introduced in turbo, other element partially introduced in exhaust conduit, and clamping collar integrating elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2924482A3 true FR2924482A3 (en) | 2009-06-05 |
Family
ID=39232841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR0759512A Withdrawn FR2924482A3 (en) | 2007-12-03 | 2007-12-03 | Turbo and exhaust conduit connecting device for exhaust line, has element partially introduced in turbo, other element partially introduced in exhaust conduit, and clamping collar integrating elements |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2924482A3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478007A (en) * | 2010-02-23 | 2011-08-24 | Gm Global Tech Operations Inc | Exhaust system connection arrangement for a turbocharged engine |
| DE102011109539A1 (en) * | 2011-08-05 | 2013-02-07 | Daimler Ag | Internal combustion engine e.g. diesel engine has exhaust system having exhaust line that is connected with exit flange of turbine housing at flange surface at which groove-like trained recess portion is partly arranged |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2260054A1 (en) * | 1974-02-05 | 1975-08-29 | Valdenaire Maurice | Joint to connect two pipe lengths - uses V-section collar to pull together pieces screwed into pipe ends |
| FR2775753A1 (en) * | 1998-03-04 | 1999-09-10 | Ind Ab | Clamping collar for motor vehicle exhaust pipes |
| FR2851961A1 (en) * | 2003-03-06 | 2004-09-10 | Renault Sa | Turbo-compressor collector and exhaust collector connecting device for use in vehicle, has ring mounted axially on section of exit end of exhaust collector or on section of input end of turbo compressor collector |
-
2007
- 2007-12-03 FR FR0759512A patent/FR2924482A3/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2260054A1 (en) * | 1974-02-05 | 1975-08-29 | Valdenaire Maurice | Joint to connect two pipe lengths - uses V-section collar to pull together pieces screwed into pipe ends |
| FR2775753A1 (en) * | 1998-03-04 | 1999-09-10 | Ind Ab | Clamping collar for motor vehicle exhaust pipes |
| FR2851961A1 (en) * | 2003-03-06 | 2004-09-10 | Renault Sa | Turbo-compressor collector and exhaust collector connecting device for use in vehicle, has ring mounted axially on section of exit end of exhaust collector or on section of input end of turbo compressor collector |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2478007A (en) * | 2010-02-23 | 2011-08-24 | Gm Global Tech Operations Inc | Exhaust system connection arrangement for a turbocharged engine |
| DE102011109539A1 (en) * | 2011-08-05 | 2013-02-07 | Daimler Ag | Internal combustion engine e.g. diesel engine has exhaust system having exhaust line that is connected with exit flange of turbine housing at flange surface at which groove-like trained recess portion is partly arranged |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |
Effective date: 20090831 |