FR2967751A1 - Banjo type fitting for connecting pipe with flexible or rigid body in automotive industry, has seal including bores offset relative to each other in absence of external constraint, and screw tending to align bores by deformation of seal - Google Patents

Banjo type fitting for connecting pipe with flexible or rigid body in automotive industry, has seal including bores offset relative to each other in absence of external constraint, and screw tending to align bores by deformation of seal Download PDF

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Publication number
FR2967751A1
FR2967751A1 FR1059580A FR1059580A FR2967751A1 FR 2967751 A1 FR2967751 A1 FR 2967751A1 FR 1059580 A FR1059580 A FR 1059580A FR 1059580 A FR1059580 A FR 1059580A FR 2967751 A1 FR2967751 A1 FR 2967751A1
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Prior art keywords
seal
main body
screw
bores
absence
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Granted
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FR1059580A
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French (fr)
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FR2967751B1 (en
Inventor
Gilles Goven
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PSA Automobiles SA
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Peugeot Citroen Automobiles SA
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    • 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
    • F16L41/00Branching pipes; Joining pipes to walls
    • F16L41/005Branching pipes; Joining pipes to walls adjustable and comprising a hollow threaded part in an opening

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Joints With Sleeves (AREA)
  • Branch Pipes, Bends, And The Like (AREA)

Abstract

The fitting has a main body (1) including a tube (11) for connecting a pipe and a through-hole between an upper face (12) and a lower face (13) of the main body. A seal (3) includes two yoke legs (31, 32) comprising bores placed against the upper face and the lower face of the main body, respectively. A hollow screw is placed in the through-hole and through the bores, where the bores of the seal are offset relative to each other in the absence of external constraint exerted on the seal. The hollow screw tends to align the bores by elastic deformation of the seal.

Description

RACCORD DE TYPE BANJO A COMPOSANTS IMPERDABLES BANJO TYPE FITTING WITH IMPERFIBLE COMPONENTS

[0001] L'invention porte sur le domaine des raccords hydraulique, et plus particulièrement sur les raccords du type « banjo». [0002] Les raccords du type banjo sont des éléments qui permettent de raccorder une conduite souple ou rigide avec un organe ou carter percé d'un alésage fileté. A cet effet, ces raccords banjo comportent généralement un corps principal muni d'un tube destiné à être relié à la conduite et, à une extrémité de ce tube, perpendiculairement à celui-ci, un manchon destiné à être traversé par une vis de fixation vissée dans l'alésage fileté du carter. Afin de permettre la circulation de liquide entre la conduite et l'intérieur du carter, la vis de fixation est en partie creuse et présente des alésages radiaux. Le corps principal présente une première face dite inférieure destinée à être plaquée contre le carter, et une seconde face dite supérieure contre laquelle s'appuie la tête de la vis de fixation. Le raccord banjo comporte, au niveau de ces deux faces, des joints d'étanchéité, généralement en cuivre, permettant d'éviter toute fuite de liquide entre la vis de fixation et le corps principal d'une part, et entre le corps principal et le carter d'autre part. [0003] Cependant, lors du montage d'un raccord banjo, il existe un risque de perdre ou d'oublier l'un des joints, particulièrement le joint d'étanchéité entre le corps principal et le carter. En outre, le montage d'un raccord banjo est une opération délicate du fait de la petite taille des joints. [0004] Le document FR1375608 propose un joint en U ou étrier pour raccord Banjo. Un tel joint en facilite la mise en place. Cependant, le seul moyen de pré-maintien de l'étrier sur le corps principal proposé dans ce document est d'effectuer un serrage sur le corps principal. Ce n'est pas un moyen fiable pour maintenir l'étrier avant montage du raccord, et, en outre, la vis peut être perdue lors du transport du raccord ou de sa manutention avant montage. [0005] De manière optimisée, on connaît au travers de la demande de brevet FR2913088 un raccord banjo avec un joint en U, enserrant le tube du raccord. Un tel joint unique permet de proposer un raccord banjo dont les joints d'étanchéité sont solidarisés au manchon par des moyens de raccord temporaires. Cependant, dans un tel raccord, la vis peut se désolidariser du raccord, et le joint n'est alors plus maintenu et peut glisser le long du tube du raccord. Le joint mis en jeu est en outre complexe à obtenir. [0006] On connaît au travers du document US6685232 un joint en U, qui permet en outre le blocage de la vis à l'aide d'une patte qui se replie sur la tête de la vis lors de son serrage. Cependant, avant serrage, le raccord décrit dans ce document présente les mêmes inconvénients de risque de perte de la vis et du joint lors du transport ou de la manutention avant montage. [0007] Dans l'invention, on propose un raccord banjo optimisé présentant tous ses constituants (manchon, joints et vis) solidaires et imperdables. [0008] Plus précisément, l'invention porte sur un raccord de type banjo, comportant - un corps principal comportant une interface de branchement, pour le branchement d'une conduite, et un orifice traversant le corps principal entre une face dite supérieure et une face dite inférieure dudit corps principal, - un joint en étrier comportant une première branche présentant un premier perçage disposée contre la face supérieure du corps principal et une seconde branche présentant un second perçage disposée contre la face inférieure du corps principal; - une vis creuse disposée dans l'orifice traversant et au travers des perçages ; dans lequel les perçages du joint sont désaxés l'un par rapport à l'autre en l'absence de contrainte externe exercée sur ledit joint, la vis creuse tendant à aligner les perçages par déformation élastique du joint. Grâce au désaxage initial des perçages, le joint exerce une force sur la vis en tendant à reprendre élastiquement sa configuration initiale, les perçages tendant à retrouver leur configuration désaxés. Cette contrainte ainsi exercée permet de solidariser l'ensemble des pièces constitutives du raccord. [0009] De préférence, l'interface de branchement est un tube. [0010] De préférence, le joint en étrier comporte en outre une ouverture traversée par le tube. Cela permet le blocage en rotation du joint par rapport au corps principal du raccord. [0011 ] Dans une variante de l'invention, la vis présente une tige comportant une extrémité filetée pour la fixation et le serrage du raccord sur un carter, et une portion lisse entre la tête de la vis et l'extrémité filetée. [0012] De préférence, la vis comporte en outre une gorge périphérique au niveau du joint de la face inférieure du corps principal. Cela permet un meilleur blocage de la vis par le joint en étrier. [0013] Dans une variante, une gorge périphérique s'étend sur tout ou partie de la longueur de la portion non filetée de la vis. [0014] L'invention est décrite plus en détail ci-après et en référence aux figures représentant schématiquement le système dans son mode de réalisation préférentiel. [0015] La figure 1 présente, selon une vue en trois dimensions, un raccord conforme à l'invention selon son mode de réalisation préférentiel. [0016] La figure 2 présente une vue éclatée d'un raccord conforme à l'invention selon son mode de réalisation préférentiel, permettant d'en voir les pièces constitutives. [0017] La figure 3 présente une vue en coupe d'un raccord conforme à l'invention selon son mode de réalisation préférentiel. [0018] La figure 4 présente un joint étrier entrant dans la constitution d'un raccord conforme à l'invention selon son mode de réalisation préférentiel. [0019] Un raccord conforme à l'invention comporte un corps principal 1 comportant une interface de branchement, à savoir un tube 11, une face supérieure 12 et une face inférieure 13. Le corps principal 1 présente un orifice traversant 14, sensiblement orthogonal par rapport aux faces supérieure et inférieure. Le tube 11 de branchement débouche dans une chambre 15 du corps principal 1, par laquelle passe l'orifice traversant 14. [0020] Une vis creuse 2 est positionnée au travers du corps principal dans l'orifice traversant 14. La vis creuse 2 présent une tête 21 permettant son serrage par un outil approprié, et une tige 22 présentant au moins un alésage radial 23 permettant la mise en communication de l'intérieur de la vis creuse 2 avec la chambre 15. [0021] Un joint 3 en étrier (sensiblement en forme de U) assure l'étanchéité entre la tête de vis 21 de la vis creuse 2 et la face supérieure 12 du corps principal 1. Ce joint permet également de garantir l'étanchéité entre le corps principal 1 et le carter ou tout autre organe sur lequel le raccord est monté. Pour cela, le joint 3 en étrier présente deux branches, respectivement une première branche 31 et un seconde branche 32, sensiblement parallèles comportant chacune un perçage, respectivement un premier perçage 33 et un second perçage 34, pour le passage de la vis creuse 2, et dont la première branche 31 est disposée entre une tête de la vis creuse et la face supérieure 12 corps principal 1 et dont la seconde branche 32 est disposé contre la face inférieure 13 du corps principal. [0022] Dans l'invention, les perçages 33, 34 du joint 3 en étrier présentent la particularité d'être désaxés l'un par rapport à l'autre. En d'autres termes, les deux perçages 33, 34 ne sont pas précisément en vis-à-vis, en dehors de toute contrainte appliquée au joint 3. Lors de la mise en place du joint sur le corps du raccord banjo, il est donc nécessaire de contraindre légèrement le joint 3 de sorte à positionner les perçages 33, 34 en vis-à-vis par déformation élastique du joint 3 en étrier, afin de pouvoir passer la vis creuse 2. On amène les perçages 33, 34 tous deux en regard de l'orifice traversant 14 du corps principal 1, et on positionne alors la vis qui traverse donc : le premier perçage 33, le corps prinpal 1 par l'orifice traversant 14, et le second perçage 33.. Puis, en relâchant la contrainte sur le joint 3, ce dernier exerce à son tour une contrainte sur la vis creuse 2 (par exemple au niveau de son dernier filet), la bloquant ainsi en translation. Le retour élastique du joint 3, par exemple derrière le dernier filet de la vis vient donc bloquer celle-ci. [0023] On constitue ainsi un raccord du type banjo complet, dont l'ensemble des pièces est solidaire. Tant la vis creuse 2 que le joint 3 sont ainsi rendu « imperdables » par rapport au corps principal 1. [0024] On notera que, selon les caractéristiques du joint 3 en étrier (dimensions, matériau constitutif, valeur du désaxage entre les perçages), la contrainte visant à positionner les perçages en vis-à-vis pourra être appliquée à la main par un opérateur de montage, ou à l'aide d'un outillage spécialisé. Enfin, pour une distance entre les axes des perçages suffisamment faible, la contrainte sur l'étrier peut être appliquée directement par la vis creuse 2 dont la mise en place suffit à déformer l'étrier. [0025] Selon le mode de réalisation préférentiel ici représenté, le joint 3 en étrier présente en outre une ouverture pour le passage du tube 11 de branchement. L'ouverture est donc réalisée, dans le mode de réalisation de l'invention ici représenté, au travers de la jonction entre les deux branches du joint 3 en étrier. Le tube de branchement évite ainsi toute rotation du joint 3 en étrier. [0026] Pour un meilleur maintien de l'ensemble, une gorge périphérique peut être réalisée dans la tige de la vis, au niveau du joint de la face inférieure du corps principal 1 (en l'occurrence, au niveau de la branche du joint destinée à assurer l'étanchéité entre le corps principal du raccord et le carter sur lequel il sera fixé). Après déformation élastique, le joint 3 en étrier vient se bloquer dans cette gorge périphérique de la vis. [0027] Selon un mode de réalisation de l'invention, la tige 22 de la vis 2 peut comporter à son extrémité une portion filetée pour sa fixation dans un carter présentant un alésage fileté correspondant, et une portion non filetée, dite lisse, entre la tête 21 de la vis 2 et la portion filetée de la tige 22. [0028] La portion non filetée peut comporter, sur tout ou partie de sa longueur, une gorge assurant une meilleure solidarisation des différents éléments constitutifs du raccord selon l'invention. [0029] L'invention propose ainsi un dispositif offrant de multiples avantages. On propose dans l'invention un raccord du type banjo complet, dont les pièces constitutives sont imperdables lors du transport et/ou de la manutention du raccord lors de son montage ou de sa mise en ceuvre. L'invention revêt tout son intérêt dans une application industrielle de masse, par exemple dans l'industrie automobile. En effet, notamment du fait du nombre de pièces constituant le raccord, le risque de perte ou d'oubli d'un élément (notamment d'un joint, entrainant un risque de fuite) est important. L'invention résout ce problème. Par ailleurs, en offrant un raccord livré complet, pouvant être manipulé aisément sans risque de perte d'une pièce, l'invention permet le montage rapide et aisé d'un tel raccord. The invention relates to the field of hydraulic fittings, and more particularly to the fittings of the type "banjo". The banjo connectors are elements that allow to connect a flexible or rigid pipe with a body or housing pierced with a threaded bore. For this purpose, these banjo connectors generally comprise a main body provided with a tube intended to be connected to the pipe and, at one end of this tube, perpendicularly thereto, a sleeve intended to be traversed by a fixing screw. screwed into the threaded bore of the housing. In order to allow the flow of liquid between the pipe and the inside of the housing, the fixing screw is partly hollow and has radial bores. The main body has a first so-called lower face intended to be pressed against the housing, and a second so-called upper face against which the head of the fixing screw rests. The banjo fitting comprises, at these two faces, gaskets, generally made of copper, making it possible to avoid any leakage of liquid between the fastening screw and the main body on the one hand, and between the main body and the casing on the other hand. However, when mounting a banjo fitting, there is a risk of losing or forgetting one of the seals, particularly the seal between the main body and the housing. In addition, mounting a banjo fitting is a delicate operation because of the small size of the joints. The document FR1375608 proposes a U-joint or caliper for Banjo fitting. Such a seal facilitates the implementation. However, the only way to pre-hold the caliper on the main body proposed in this document is to perform a tightening on the main body. This is not a reliable way to hold the caliper before mounting the fitting, and, in addition, the screw can be lost during transportation of the fitting or its handling before assembly. In an optimized manner, patent application FR2913088 discloses a banjo fitting with a U-shaped seal, enclosing the fitting tube. Such a single joint makes it possible to propose a banjo fitting whose seals are secured to the sleeve by temporary coupling means. However, in such a connection, the screw can separate from the connector, and the seal is no longer maintained and can slide along the tube of the connector. The joint involved is also complex to obtain. US6685232 discloses a U-shaped seal, which further allows the locking of the screw with a tab which folds over the head of the screw during its tightening. However, before tightening, the connection described in this document has the same drawbacks of risk of loss of the screw and the seal during transport or handling before assembly. In the invention, there is provided an optimized banjo fitting having all its components (sleeve, joints and screws) integral and captive. More specifically, the invention relates to a banjo type connection comprising - a main body having a branch interface, for connecting a pipe, and an orifice passing through the main body between a so-called upper face and a so-called lower face of said main body, - a stirrup joint having a first leg having a first bore disposed against the upper face of the main body and a second leg having a second bore disposed against the underside of the main body; - A hollow screw disposed in the through hole and through the holes; wherein the bores of the seal are offset relative to each other in the absence of external stress exerted on said seal, the hollow screw tending to align the bores by elastic deformation of the seal. Thanks to the initial misalignment of the holes, the seal exerts a force on the screw tending to elastically resume its initial configuration, the holes tending to find their off-axis configuration. This constraint thus exerted makes it possible to secure all the constituent parts of the coupling. [0009] Preferably, the branch interface is a tube. Preferably, the stirrup gasket further comprises an opening through which the tube passes. This allows the rotational locking of the seal relative to the main body of the fitting. In a variant of the invention, the screw has a rod having a threaded end for fixing and clamping the connector on a housing, and a smooth portion between the head of the screw and the threaded end. Preferably, the screw further comprises a peripheral groove at the seal of the lower face of the main body. This allows a better locking of the screw by the stirrup joint. In a variant, a peripheral groove extends over all or part of the length of the unthreaded portion of the screw. The invention is described in more detail below and with reference to the figures schematically showing the system in its preferred embodiment. Figure 1 shows, in a three-dimensional view, a connector according to the invention according to its preferred embodiment. Figure 2 shows an exploded view of a connector according to the invention according to its preferred embodiment, to see the component parts. Figure 3 shows a sectional view of a connector according to the invention according to its preferred embodiment. Figure 4 shows a stirrup ring entering the constitution of a connector according to the invention according to its preferred embodiment. A connector according to the invention comprises a main body 1 having a branch interface, namely a tube 11, an upper face 12 and a lower face 13. The main body 1 has a through hole 14, substantially orthogonal by compared to the upper and lower faces. The connecting tube 11 opens into a chamber 15 of the main body 1 through which the through hole 14 passes. [0020] A hollow screw 2 is positioned through the main body in the through hole 14. The hollow screw 2 is present a head 21 allowing its clamping by a suitable tool, and a rod 22 having at least one radial bore 23 allowing the communication of the inside of the hollow screw 2 with the chamber 15. [0021] A stirrup 3 seal ( substantially U-shaped) seals between the screw head 21 of the hollow screw 2 and the upper face 12 of the main body 1. This seal also ensures the seal between the main body 1 and the housing or any another member on which the fitting is mounted. For this, the yoke seal 3 has two branches, respectively a first branch 31 and a second branch 32, substantially parallel each having a hole, respectively a first hole 33 and a second hole 34, for the passage of the hollow screw 2, and whose first branch 31 is disposed between a head of the hollow screw and the upper face 12 main body 1 and the second leg 32 is disposed against the lower face 13 of the main body. In the invention, the holes 33, 34 of the joint 3 stirrup have the particularity of being offset with respect to each other. In other words, the two bores 33, 34 are not exactly opposite, apart from any stress applied to the seal 3. When placing the seal on the body of the banjo fitting, it is therefore necessary to slightly constrain the seal 3 so as to position the bores 33, 34 vis-à-vis by elastic deformation of the seal 3 in stirrup, in order to pass the hollow screw 2. It brings bores 33, 34 both facing the through hole 14 of the main body 1, and the screw is then positioned which then passes through: the first piercing 33, the main body 1 through the through hole 14, and the second piercing 33 .. Then, releasing the constraint on the seal 3, the latter in turn exerts a constraint on the hollow screw 2 (for example at its last thread), thus blocking it in translation. The elastic return of the seal 3, for example behind the last thread of the screw is therefore block it. This constitutes a complete banjo type connection, all parts is secured. Both the hollow screw 2 and the seal 3 are thus rendered "captive" with respect to the main body 1. [0024] It will be noted that, according to the characteristics of the caliper seal 3 (dimensions, constituent material, value of the off-centering between the bores) , the constraint to position the holes in vis-à-vis may be applied by hand by a mounting operator, or with the aid of specialized tools. Finally, for a sufficiently small distance between the axes of the bores, the stress on the stirrup can be applied directly by the hollow screw 2, the positioning of which is sufficient to deform the stirrup. According to the preferred embodiment shown here, the gasket 3 in stirrup further has an opening for the passage of the tube 11 of connection. The opening is thus performed, in the embodiment of the invention shown here, through the junction between the two branches of the joint 3 stirrup. The branch tube thus prevents any rotation of the joint 3 in stirrup. For better maintenance of the assembly, a peripheral groove can be made in the screw shank at the seal of the lower face of the main body 1 (in this case, at the joint branch). intended to ensure sealing between the main body of the coupling and the casing on which it will be fixed). After elastic deformation, the caliper seal 3 comes to lock in this peripheral groove of the screw. According to one embodiment of the invention, the rod 22 of the screw 2 may comprise at its end a threaded portion for attachment in a housing having a corresponding threaded bore, and a non-threaded portion, said smooth, between the head 21 of the screw 2 and the threaded portion of the rod 22. The unthreaded portion may comprise, over all or part of its length, a groove providing better fastening of the various components of the coupling according to the invention . The invention thus proposes a device offering multiple advantages. In the invention, a complete banjo fitting is provided, the component parts of which are captive during the transport and / or handling of the fitting during its assembly or its implementation. The invention is of interest in a mass industrial application, for example in the automotive industry. Indeed, particularly because of the number of parts constituting the connection, the risk of loss or forgetfulness of an element (including a seal, causing a risk of leakage) is important. The invention solves this problem. Moreover, by offering a complete supplied coupling, which can be handled easily without risk of losing a part, the invention allows the quick and easy assembly of such a connection.

Claims (6)

REVENDICATIONS: 1. Raccord de type banjo, comportant - un corps principal (1) comportant une interface de branchement (11), pour le branchement d'une conduite, et un orifice traversant (14) le corps principal (1) entre une face dite supérieure (12) et une face dite inférieure (13) dudit corps principal, - un joint (3) en étrier comportant une première branche (31) présentant un premier perçage (33) disposée contre la face supérieure (12) du corps principal (1) et une seconde branche (32) présentant un second perçage (34) disposée contre la face inférieure (32) du corps principal (1) ; - une vis creuse (2) disposée dans l'orifice traversant (14) et au travers des perçages (33,34) ; caractérisé en ce que les perçages (33, 34) du joint (3) sont désaxés l'un par rapport à l'autre en l'absence de contrainte externe exercée sur ledit joint (3), la vis creuse (2) tendant à aligner les perçages (33, 34) par déformation élastique du joint (3). 1. A banjo type connector, comprising - a main body (1) having a branch interface (11), for the connection of a pipe, and a through hole (14) the main body (1) between a face said upper body (12) and a so-called lower face (13) of said main body, - a stirrup joint (3) having a first leg (31) having a first bore (33) disposed against the upper face (12) of the main body (1) and a second leg (32) having a second bore (34) disposed against the underside (32) of the main body (1); - a hollow screw (2) disposed in the through hole (14) and through the holes (33,34); characterized in that the bores (33, 34) of the seal (3) are offset relative to each other in the absence of external stress exerted on said seal (3), the hollow screw (2) tending to align the bores (33, 34) by elastic deformation of the seal (3). 2. Raccord selon la revendication 1, caractérisé en ce que l'interface de branchement est un tube. 2. A coupling according to claim 1, characterized in that the branch interface is a tube. 3. Raccord selon la revendication 2, caractérisé en ce que le joint (3) en étrier comporte en outre une ouverture traversée par le tube de branchement (11). 3. A coupling according to claim 2, characterized in that the joint (3) stirrup further comprises an opening through which the connecting tube (11). 4. Raccord selon l'une quelconque des revendications précédentes, caractérisé en ce que la vis (2) présente une tige (22) comportant une extrémité filetée pour la fixation et le serrage du raccord sur un carter, et une portion lisse entre une tête de la vis (21) et l'extrémité filetée. 4. A coupling according to any one of the preceding claims, characterized in that the screw (2) has a rod (22) having a threaded end for fixing and tightening the connector on a housing, and a smooth portion between a head of the screw (21) and the threaded end. 5. Raccord selon l'une quelconque des revendications précédentes, caractérisée en ce que la vis (2) comporte en outre une gorge périphérique au niveau du joint de la face inférieure (12) du corps principal (1). 5. A coupling according to any one of the preceding claims, characterized in that the screw (2) further comprises a peripheral groove at the seal of the lower face (12) of the main body (1). 6. Raccord selon la revendication 4, caractérisé en ce qu'elle comporte une gorge périphérique s'étendant sur tout ou partie de la longueur de la portion non filetée de la vis (2). 6. A coupling according to claim 4, characterized in that it comprises a peripheral groove extending over all or part of the length of the unthreaded portion of the screw (2).
FR1059580A 2010-11-22 2010-11-22 BANJO TYPE FITTING WITH IMPERFIBLE COMPONENTS Expired - Fee Related FR2967751B1 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
GB2518205A (en) * 2013-09-13 2015-03-18 Gm Global Tech Operations Inc Sealing apparatus for sealing a fluid joint

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FR1375608A (en) * 1962-12-08 1964-10-16 Daimler Benz Ag Device for sealing annular members capable of being fitted onto hollow screws
JPH09280434A (en) * 1996-04-11 1997-10-31 Mitsubishi Motors Corp Passage connection structure
US20030042737A1 (en) * 2001-09-06 2003-03-06 Franklin Fastener Company Banjo clip for flange head flow bolt
FR2913088A3 (en) * 2007-02-23 2008-08-29 Renault Sas Banjo fitting for internal combustion engine, has tube transversally entering in sleeve, and sealing rings respectively placed on end surfaces of sleeve, where sealing rings are connected to support fastened to tube
US20080277920A1 (en) * 2007-05-10 2008-11-13 Gm Global Technology Operations, Inc. Banjo Joint Gasket with Bolt Retention Feature and Method of Preparing the Assembly
WO2009115724A2 (en) * 2008-03-20 2009-09-24 Renault S.A.S. Captive seal for banjo connector, and assembly including such banjo connector and such seal

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1375608A (en) * 1962-12-08 1964-10-16 Daimler Benz Ag Device for sealing annular members capable of being fitted onto hollow screws
JPH09280434A (en) * 1996-04-11 1997-10-31 Mitsubishi Motors Corp Passage connection structure
US20030042737A1 (en) * 2001-09-06 2003-03-06 Franklin Fastener Company Banjo clip for flange head flow bolt
FR2913088A3 (en) * 2007-02-23 2008-08-29 Renault Sas Banjo fitting for internal combustion engine, has tube transversally entering in sleeve, and sealing rings respectively placed on end surfaces of sleeve, where sealing rings are connected to support fastened to tube
US20080277920A1 (en) * 2007-05-10 2008-11-13 Gm Global Technology Operations, Inc. Banjo Joint Gasket with Bolt Retention Feature and Method of Preparing the Assembly
WO2009115724A2 (en) * 2008-03-20 2009-09-24 Renault S.A.S. Captive seal for banjo connector, and assembly including such banjo connector and such seal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2518205A (en) * 2013-09-13 2015-03-18 Gm Global Tech Operations Inc Sealing apparatus for sealing a fluid joint

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