FR2925647A3 - Tube's end sealed fastening device for component e.g. tube, of motor vehicle, has metallic flat sealed joint with clipping units in different opening angle section of truncated end, where joint comprises spline passing through opening - Google Patents

Tube's end sealed fastening device for component e.g. tube, of motor vehicle, has metallic flat sealed joint with clipping units in different opening angle section of truncated end, where joint comprises spline passing through opening Download PDF

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Publication number
FR2925647A3
FR2925647A3 FR0759985A FR0759985A FR2925647A3 FR 2925647 A3 FR2925647 A3 FR 2925647A3 FR 0759985 A FR0759985 A FR 0759985A FR 0759985 A FR0759985 A FR 0759985A FR 2925647 A3 FR2925647 A3 FR 2925647A3
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FR
France
Prior art keywords
tube
component
joint
seal
angle section
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Withdrawn
Application number
FR0759985A
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French (fr)
Inventor
Arnaud Guibout
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.)
Renault SAS
Original Assignee
Renault SAS
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Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Priority to FR0759985A priority Critical patent/FR2925647A3/en
Publication of FR2925647A3 publication Critical patent/FR2925647A3/en
Withdrawn legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged joints characterised by the sealing means the sealing means being rings
    • F16L23/20Flanged joints characterised by the sealing means the sealing means being rings made exclusively of metal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/12Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems characterised by means for attaching parts of an EGR system to each other or to engine parts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10091Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10144Connections of intake ducts to each other or to another device
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2201/00Special arrangements for pipe couplings
    • F16L2201/10Indicators for correct coupling

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Gasket Seals (AREA)
  • Exhaust Silencers (AREA)

Abstract

The device has a metallic flat sealed joint (40) with clipping units in a different opening angle section (13) of a truncated end (11). The truncated end has a different opening angle section (12) that is in support against a complementary part of a component (20) of a motor vehicle. The joint has a spline (43) passing through an opening (31) defined in a v-band type attachment clamp (30). Three centering pins (42) are formed on an exterior edge of the joint.

Description

DISPOSITIF DE FIXATION ETANCHE D'UN TUYAU La présente invention concerne les dispositifs de fixation étanche d'un tuyau sur un autre composant de véhicule automobile, comme par exemple un autre tuyau, un refroidisseur de gaz d'échappement, etc... The present invention relates to devices for sealing a pipe to another component of a motor vehicle, such as, for example, another pipe, an exhaust gas cooler, etc.

La présente invention concerne plus particulièrement les dispositifs de fixation étanche d'une extrémité d'un tuyau sur un composant, qui sont maintenus serrés ensemble au moyen d'un collier de fixation. Le collier de fixation est appelé V-BAND. Dans ce type de dispositif, le tuyau comporte une extrémité tronconique destinée à venir en appui contre une partie complémentaire du composant avec interposition d'un joint d'étanchéité, de type joint plat métallique. Le document US3964773 décrit un tel dispositif. L'inconvénient des dispositifs de ce type est que montage avec le joint peut s'avérer délicat à mettre en oeuvre, surtout que l'étanchéité du dispositif dépend grandement de la présence et de la bonne mise en place du joint. The present invention relates more particularly to the devices for sealing one end of a pipe to a component, which are held tight together by means of a fastening collar. The clamp is called V-BAND. In this type of device, the pipe has a frustoconical end intended to abut against a complementary part of the component with the interposition of a seal, type flat gasket. US3964773 discloses such a device. The disadvantage of devices of this type is that mounting with the seal can be difficult to implement, especially that the tightness of the device greatly depends on the presence and the proper implementation of the seal.

L'invention vise à pallier les inconvénients de l'état de la technique. Pour y parvenir, elle fournit un dispositif du type décrit ci-dessus, dans lequel l'extrémité tronconique du tuyau comporte au moins deux tronçons d'angles d'ouverture différents, le premier tronçon étant destiné à venir en appui contre la partie complémentaire du composant, et en ce que le joint d'étanchéité comporte des moyens de clipsage dans le deuxième tronçon. Mais d'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui suit. Pour sa compréhension, on se reportera aux figures suivantes : la figure 1 est une représentation schématique en coupe du dispositif selon l'invention ; la figure 2 est une représentation schématique du joint d'étanchéité. Conformément à la figure 1, le dispositif de fixation étanche comporte un un composant 20 au moyen d'un collier de fixation généralement destiné aux circuits d'admission, recirculation de gaz d'échappement de moteurs de collier de fixation 30 est à fixation rapide, de type V-en contact, notamment axial, l'extrémité du tuyau 10 tuyau 10 à assembler avec 30. Ce dispositif est d'échappement, et/ou de véhicules automobiles. Le BAND. Il sert à maintenir contre le composant 20. The invention aims to overcome the disadvantages of the state of the art. To achieve this, it provides a device of the type described above, wherein the frustoconical end of the pipe comprises at least two sections of different opening angles, the first section being intended to bear against the complementary part of the component, and in that the seal comprises clipping means in the second section. But other features and advantages of the invention will appear on reading the detailed description which follows. For its understanding, reference will be made to the following figures: FIG. 1 is a diagrammatic representation in section of the device according to the invention; Figure 2 is a schematic representation of the seal. According to FIG. 1, the watertight fastening device comprises a component 20 by means of a fastening collar generally intended for the intake circuits, the exhaust gas recirculation of the fastening collar engines 30 is fast fixing, type V-contact, in particular axial, the end of the pipe 10 pipe 10 to assemble with 30. This device is exhaust, and / or motor vehicles. BAND. It serves to hold against component 20.

Le tuyau 10 comporte une extrémité tronconique 11. Le composant 20 comporte une partie complémentaire 21, définissant une première surface inclinée et une deuxième surface inclinée. L'extrémité tronconique 11 du tuyau 10 est destinée à venir en appui contre la surface inclinée de la partie complémentaire 21 du composant 20. Le collier 30 est en contact d'une part avec l'extrémité tronconique 11 du tuyau 10, et d'autre part avec la deuxième surface inclinée de la partie complémentaire 21 du composant 20. Pour offrir une meilleure étanchéité, le dispositif comporte également un joint d'étanchéité 40. Le joint 40, du type joint plat métallique avec une cabosse ou une nervure (non représentée), est interposé entre la surface intérieure de l'extrémité tronconique 11 et la surface inclinée de la partie complémentaire 21. Conformément à l'invention, l'extrémité tronconique 11 du tuyau 10 comporte au moins deux tronçons d'angles d'ouverture différents. Le premier tronçon 12 est celui qui est destiné à venir en appui contre la première surface inclinée de la partie complémentaire 21 du composant 20. Le deuxième tronçon 13 peut être destiné à recouvrir au moins partiellement la partie complémentaire 21 du composant. Et le joint d'étanchéité 40 comporte des moyens de clipsage dans le deuxième tronçon. En référence aussi à la figure 2, les moyens de clipsage peuvent comporter des clips 41 formés sur le bord extérieur du joint 40. Les clips 41 sont prévus pour passer à travers au moins deux ouvertures 14 qui peuvent être définies sur le deuxième tronçon 13. L'avantage de ces moyens de clipsage est que le joint d'étanchéité 40 peut être monté sur le tuyau 10 préalablement à son assemblage, sans risque de le perdre ou de le monter de manière incorrecte. De plus, les clips 41 pourvus sur le bord extérieur du joint 40 n'interfèrent pas avec le fluide qui est amené à traverser le dispositif. Par conséquent, le flux de ce fluide n'est pas perturbé, et les clips 41 ne sont pas soumis à de la corrosion ou de l'érosion, assurant ainsi que le joint 40 sera toujours attaché au tuyau 10 lors d'un démontage futur. The pipe 10 has a frustoconical end 11. The component 20 has a complementary portion 21, defining a first inclined surface and a second inclined surface. The frustoconical end 11 of the pipe 10 is intended to bear against the inclined surface of the complementary portion 21 of the component 20. The collar 30 is in contact on the one hand with the frustoconical end 11 of the pipe 10, and on the other hand with the second inclined surface of the complementary part 21 of the component 20. To provide a better seal, the device also comprises a seal 40. The seal 40, of the flat metal seal type with a pod or a rib (no shown), is interposed between the inner surface of the frustoconical end 11 and the inclined surface of the complementary part 21. According to the invention, the frustoconical end 11 of the pipe 10 comprises at least two sections of opening angles. different. The first section 12 is the one that is intended to bear against the first inclined surface of the complementary portion 21 of the component 20. The second section 13 may be intended to cover at least partially the complementary portion 21 of the component. And the seal 40 comprises clipping means in the second section. Referring also to Figure 2, the clipping means may comprise clips 41 formed on the outer edge of the seal 40. The clips 41 are provided to pass through at least two openings 14 which can be defined on the second section 13. The advantage of these clipping means is that the seal 40 can be mounted on the pipe 10 prior to assembly, without the risk of losing or incorrectly mount it. In addition, the clips 41 provided on the outer edge of the seal 40 do not interfere with the fluid that is passed through the device. Therefore, the flow of this fluid is not disturbed, and the clips 41 are not subjected to corrosion or erosion, thus ensuring that the seal 40 will always be attached to the pipe 10 during a future disassembly .

Selon un aspect complémentaire de l'invention, le joint 40 peut comporter au moins trois centreurs 42 formés également sur le bord extérieur. Ils sont destinés à venir en contact avec le deuxième tronçon 13 ou la zone de liaison entre le premier et deuxième tronçon 12 et 13. Le joint 40 est ainsi non seulement imperdable, grâce au montage radial par clipsage du joint 40, mais également parfaitement positionné pour garantir une excellente étanchéité du dispositif. Les centreurs 42 peuvent être de forme similaire aux clips, et leur longueur (dépassant du bord extérieur du joint) est inférieure à celle des clips 41. Selon un autre aspect complémentaire, le joint 40 peut comporter une languette 43. Cette languette 43 est destinée à traverser une ouverture 31 définie dans le collier de fixation 30. La languette 43 peut être formée sur le bord extérieur du joint 40, et pliée de façon adéquate pour traverser l'ouverture 31 du collier 30. Ainsi, après l'assemblage du dispositif, il est très facile de contrôler la présence du joint 40. La languette 40 peut également former également un clip 41. Les clips 41 et la languette 43 permettent un indexage en rotation du collier de fixation 30 par rapport au tuyau 10, ce qui peut présenter un avantage en cas de besoin de démonter le dispositif une fois mis en place dans le véhicule car le collier 30 peut ainsi être placé dans une position accessible facilement. According to a complementary aspect of the invention, the seal 40 may comprise at least three centerers 42 also formed on the outer edge. They are intended to come into contact with the second section 13 or the connection zone between the first and second sections 12 and 13. The seal 40 is thus not only captive, thanks to the radial assembly by clipping the seal 40, but also perfectly positioned to ensure excellent sealing of the device. The centralizers 42 may be similar in shape to the clips, and their length (protruding from the outer edge of the seal) is smaller than that of the clips 41. According to another complementary aspect, the seal 40 may comprise a tongue 43. This tongue 43 is intended to through an opening 31 defined in the fastening collar 30. The tongue 43 may be formed on the outer edge of the seal 40, and suitably bent to pass through the opening 31 of the collar 30. Thus, after assembly of the device it is very easy to check the presence of the seal 40. The tongue 40 can also also form a clip 41. The clips 41 and the tongue 43 allow a rotational indexing of the fastening collar 30 relative to the pipe 10, which can have an advantage in case of need to disassemble the device once in place in the vehicle because the collar 30 can thus be placed in an easily accessible position.

Claims (5)

Revendicationsclaims 1) Dispositif de fixation étanche d'une extrémité (11) d'un tuyau (10) sur un composant (20) au moyen d'un collier de fixation (30), le tuyau (10) comportant une extrémité tronconique (11) destinée à venir en appui contre une partie complémentaire (21) du composant (20) avec interposition d'un joint d'étanchéité (40), caractérisé en ce que l'extrémité tronconique (11) comporte au moins deux tronçons d'angles d'ouverture différents (12,13), le premier tronçon (12) étant destiné à venir en appui contre la partie complémentaire (21) du composant (20), et en ce que le joint d'étanchéité (30) comporte des moyens de clipsage dans le deuxième tronçon (13). 1) Device for sealing one end (11) of a pipe (10) to a component (20) by means of a fastening collar (30), the pipe (10) having a frustoconical end (11) intended to bear against a complementary part (21) of the component (20) with the interposition of a seal (40), characterized in that the frustoconical end (11) comprises at least two sections of angles d different opening (12,13), the first section (12) being intended to bear against the complementary part (21) of the component (20), and in that the seal (30) comprises means for clipping in the second section (13). 2) Dispositif selon la revendication précédente, caractérisé en ce que ce le deuxième tronçon (13) définit au moins deux ouvertures (14) pour le passage de clips (41) formés sur le bord extérieur du joint (40). 2) Device according to the preceding claim, characterized in that the second section (13) defines at least two openings (14) for the passage of clips (41) formed on the outer edge of the seal (40). 3) Dispositif selon la revendication précédente, caractérisé en ce que ce le joint (40) comporte une languette (43) destinée à traverser une ouverture (31) définie dans le collier de fixation (30). 3) Device according to the preceding claim, characterized in that the seal (40) comprises a tongue (43) for passing through an opening (31) defined in the clamping collar (30). 4) Dispositif selon la revendication précédente, caractérisé en ce que la languette (43) forme également un clip. 4) Device according to the preceding claim, characterized in that the tongue (43) also forms a clip. 5) Dispositif selon l'une des revendications précédentes, caractérisé en ce que le joint (40) comporte au moins trois centreurs (42) formés sur le bord extérieur du joint et destinés à venir en contact avec le deuxième tronçon (14) ou la zone de liaison entre les premier (12) et deuxième (13) tronçon. 4 5) Device according to one of the preceding claims, characterized in that the seal (40) comprises at least three centralizers (42) formed on the outer edge of the seal and intended to come into contact with the second section (14) or the connecting zone between the first (12) and second (13) section. 4
FR0759985A 2007-12-19 2007-12-19 Tube's end sealed fastening device for component e.g. tube, of motor vehicle, has metallic flat sealed joint with clipping units in different opening angle section of truncated end, where joint comprises spline passing through opening Withdrawn FR2925647A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0759985A FR2925647A3 (en) 2007-12-19 2007-12-19 Tube's end sealed fastening device for component e.g. tube, of motor vehicle, has metallic flat sealed joint with clipping units in different opening angle section of truncated end, where joint comprises spline passing through opening

Applications Claiming Priority (1)

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FR0759985A FR2925647A3 (en) 2007-12-19 2007-12-19 Tube's end sealed fastening device for component e.g. tube, of motor vehicle, has metallic flat sealed joint with clipping units in different opening angle section of truncated end, where joint comprises spline passing through opening

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FR2925647A3 true FR2925647A3 (en) 2009-06-26

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FR0759985A Withdrawn FR2925647A3 (en) 2007-12-19 2007-12-19 Tube's end sealed fastening device for component e.g. tube, of motor vehicle, has metallic flat sealed joint with clipping units in different opening angle section of truncated end, where joint comprises spline passing through opening

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT510070A1 (en) * 2010-07-12 2012-01-15 Walser Robert DRIVE AND DRIVE WHEEL FOR WATER VEHICLES
AT510285B1 (en) * 2011-03-30 2012-03-15 Seiringer Josef DEVICE FOR ASSEMBLING A RING FLANGE SEAL
FR3019619A1 (en) * 2014-04-08 2015-10-09 Valeo Sys Controle Moteur Sas CONDUIT FITTING FOR MOTOR VEHICLE
WO2019201381A1 (en) * 2018-04-20 2019-10-24 Elringklinger Ag Clamping device for sealing and connecting two pipes
WO2019201543A1 (en) * 2018-04-20 2019-10-24 Norma Germany Gmbh Clamp

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964773A (en) 1974-09-13 1976-06-22 Mercury Metal Products, Inc. Anti-emission exhaust pipe joint and clamp therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3964773A (en) 1974-09-13 1976-06-22 Mercury Metal Products, Inc. Anti-emission exhaust pipe joint and clamp therefor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT510070A1 (en) * 2010-07-12 2012-01-15 Walser Robert DRIVE AND DRIVE WHEEL FOR WATER VEHICLES
AT510285B1 (en) * 2011-03-30 2012-03-15 Seiringer Josef DEVICE FOR ASSEMBLING A RING FLANGE SEAL
AT510285A4 (en) * 2011-03-30 2012-03-15 Seiringer Josef DEVICE FOR ASSEMBLING A RING FLANGE SEAL
FR3019619A1 (en) * 2014-04-08 2015-10-09 Valeo Sys Controle Moteur Sas CONDUIT FITTING FOR MOTOR VEHICLE
WO2015155459A1 (en) * 2014-04-08 2015-10-15 Valeo Systemes De Controle Moteur Duct connector for a motor vehicle
WO2019201381A1 (en) * 2018-04-20 2019-10-24 Elringklinger Ag Clamping device for sealing and connecting two pipes
WO2019201543A1 (en) * 2018-04-20 2019-10-24 Norma Germany Gmbh Clamp
CN111936780A (en) * 2018-04-20 2020-11-13 德国诺玛公司 Clamp apparatus
KR20200142046A (en) * 2018-04-20 2020-12-21 노르마 저머니 게엠베하 clamp
KR102507193B1 (en) 2018-04-20 2023-03-07 노르마 저머니 게엠베하 clamp
US11746938B2 (en) 2018-04-20 2023-09-05 Norma Germany Gmbh Clamp

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